BID NO. Roofing Replacement at Holbrook Elementary VOLUME ...

BID NO.

Roofing Replacement at HolbrookElementary

VOLUME II

Date Due: January 10, 2016 at 10:30am

TABLE OF CONTENTS - VOL-2

VOLUME 2 - TECHNICAL SPECIFICATIONS

Division 2 Existing Conditions 02 41 13 Selective Demolition

Division 3 Concrete 03 11 00 Concrete Forming 03 30 00 Cast In-Place Concrete 03 35 00 Concrete Finishing

Division 6 Wood, Plastics and Composites 06 10 00 Rough Carpentry 06 40 00 Architectural Woodwork 06 41 16 Laminated Plastic Work

Division 7 Thermal and Moisture Protection 07 21 00 Building Insulation 07 41 13 Preformed Metal Roofing 07 54 23 TPO Membrane Roofing 07 60 00 Flashing and Sheet Metal 07 62 00 Sheet Metal Flashing and Trim 07 92 00 Joint Sealants

Division 8 Openings 08 51 13 Aluminum Windows

Division 9 Finishes 09 22 36 Lathing 09 24 00 Portland Cement Plastering 09 29 00 Gypsum Wallboard 09 90 00 Painting

Division 10 Specialties 10 11 23 Vinyl Covered Tackboard

Division 22 Plumbing 22 00 00 Plumbing 22 30 00 Plumbing Equipment

Division 23 HVAC 23 00 00 General Mechanical

END OF DOCUMENT

SECTION 02 41 13

SELECTIVE DEMOLITION

PART 1 – GENERAL

1.1 SUMMARY:

A. Section includes: Requirements for performing selective exterior demolition.

1.2 SUBMITTALS: Comply with requirements of Shop Drawings, Product Data and Samples Section 01 33 00.

A. Salvageable items: Submit typewritten list of items to be salvaged, for Owner’s approval.

1.3 QUALITY ASSURANCE:

A. Perform demolition in conformance with ANSI A10.6.

1.4 EXISTING CONDITIONS:

A. Prior to start of demolition operations, conduct survey of existing conditions. On such survey,list items specified and indicated to be salvaged.

B. Following performance of demolition, inspect and report defects and structural weaknesses of construction and improvements partially demolished, cut and removed; of construction and improvements remaining; and of adjacent construction and improvements.

C. Protection: Protect the structural integrity of existing construction and improvements to remain.

PART 2 – PRODUCTS

2.1 MATERIALS:

A. General:

1. Remove and dispose of items and materials not designated to be salvaged. Other than hazardous material, all debris disposal shall be coordinated with local disposal services.

2. If, in the course of removing designated items and materials, the condition of other materials or the structure so exposed appears to be damaged or of otherwise questionable condition, immediately notify the Architect, who will determine if the other materials or structure shall be removed, and if so, to what extent.

3. Nothing to be removed from the site shall be stored, sold, or burned on the site without the Architect’s and Owners prior written consent.

4. Remove and dispose of debris found in work areas at start of work.5. Follow directions of this specification for removal of hazardous materials that are

encountered.

MT. DIABLO UNIFIED SCHOOL DISTRICT SELECTIVE DOMOLITIONDOCUMENT 02 41 13-1

PART 3 – EXECUTION

3.1 EXAMINATION:

A. Verify that conditions are satisfactory for beginning selective demolition. If unsatisfactory conditions exist, do not begin demolition operations until such conditions have been corrected.

3.2 PREPARATION:

A. Prior to start of demolition operations, prepare a proposed layout and sequence for the work; coordinate with related work which requires cutting and sawing.

B. Review proposed layout and sequence with the Architect prior to starting demolition operations.

C. Cap, re-route and protect utility lines prior to start of demolition operations per the Mechanical, Plumbing and Electrical work.

3.3 GENERAL:

A. As demolition progresses, continuously inspect for damage. Should signs of damage arise, immediately notify the Architect and stop demolition operations in the affected location until advised as to how to proceed.

B. Remove items designated for demolition, and as required for the performance of the work. If in doubt as to whether an item is to be demolished, contact the Architect for a decision prior toproceeding with its demolition.

C. Remove items carefully; provide for neat and structurally sound junctions between existing and new materials.

D. As applicable, remove miscellaneous items and fastenings associated with items to be demolished.

E. Demolish concrete in small sections.

F. Clean surfaces affected by demolition operations of adhesives, bitumen, and other adhering materials, as required to afford suitable substrates for the application of new materials.

3.4 CUTTING AND CORING:

A. Make new openings neat, as close as possible to profiles indicated, and only to the extent required to accommodate new work.

B. Do not cut or alter structural members without the prior written consent of the Architect or Engineer.

C. At concrete, masonry, and other materials where edges of cuts and holes will remain exposed in the completed work, perform cutting and coring with power equipment.

END OF SECTION

MT. DIABLO UNIFIED SCHOOL DISTRICT SELECTIVE DOMOLITIONDOCUMENT 02 41 13-2

SECTION 03 11 00

CONCRETE FORMING

PART 1 GENERAL

1.01 SCOPE

A. Work Specified

1. Furnish all labor, materials and equipment and perform all operations required tocomplete all formwork as indicated on the drawings and specified herein.

1.02 DESCRIPTION

A. Work Included: Forms, shores, bracing, removal and other operations as necessary for allcast in place concrete placed.

1. Setting and securing into forms anchor bolts and other metal items embedded inconcrete, using materials and layouts furnished and delivered to job site as specifiedunder other sections.

1.03 QUALITY ASSURANCE

A. Reference Standards

1. ACI 347 "Recommended Practice for Concrete Formwork"

2. American Plywood Association (APA)

3. West Coast Lumberman's Association (WCLA)

PART 2 PRODUCTS

2.01 MATERIALS

A. Form Materials:

1. Non-exposed formwork facing:

a. For concrete which is not exposed to view, forms may be of plywood asspecified for exposed surfaces, or square edge 1" x nominal Douglas Fir,Construction Grade, S4S.

b. All exposed concrete edges shall be chamfered 1/2”, or as noted on thedrawings.

2. Exposed Surface Formwork Facing:

a. Forms for all exterior and interior concrete flat surfaces shall be newDouglas Fir Plywood (APA) 5- ply, 5/8-inch, B-B Plyform, Class I,Exterior Type, oiled and edged and edge- sealed, conforming to U.S.Product Standard PS 1-83 in large sheet sizes to achieve joint patternsshown, unless otherwise specified as board formed.

b. All exposed concrete edges shall be chamfered 1/2", or as noted on thedrawings.

B. Earth Forms: Earth trench forms will be allowed if soil will stand in excavations and notravel or cave. Excavate earth forms two (2) inches wider (1" each side) than called for on thedrawings each side of the foundation.

C. Form Coating:

MT. DIABLO UNIFIED SCHOOL DISTRICT CONCRETE FORMINGDOCUMENT 03 11 00-1

1. Form sealer: Nox-crete Form Coating, or approved equal for wood forms only.2. Spray-on compounds shall not affect color, bond or subsequent treatment of concrete

surface.

PART 3 EXECUTION

3.01 CONSTRUCTION OF FORMS

A. General:

1. All concrete work shall be formed to the shapes, sizes, lines and dimensions shown onthe plans.

2. The design and engineering of the formwork, as well as its construction, shall be theresponsibility of the Contractor.

3. Schedule the work and notify other trades in ample time so that provisions for theirwork in the formwork can be made without delaying the progress of the project.

4. Verify that all sleeves, pipes, etc. for the electrical, plumbing, heating and ventilationwork, or other work, are installed. Secure information about and provide for allopenings, offsets, recessed nailing blocks, channel chases, anchors, ties, inserts, etc.in the formwork before concrete is poured.

5. The Architect and DSA-ORS shall be notified for a review of the formwork at least24 hours prior to placing reinforcing steel.

6. Excessive deflection of forms after concrete is poured shall be sufficient cause forrejection of that portion of concrete and formwork.

7. Excessive deflection will be considered to be that which will produce visible andnoticeable waves in the finished concrete.

B. Arrangements of formwork shall be properly tied, braced, shored, and supported to insurestability against pressures from any source, without failure of any component part andwithout excessive deflection.

C. Proper provisions shall be made for all openings, offsets, inserts, anchorages, blocking andother features of the work as shown or required.

D. Warped, checked or scuffed forms shall be rejected.

3.02 TREATMENT OF FORMS

A. Contact surface of all plywood forms shall be treated with a form sealer. Treatment shall bein strict conformance with the manufacturer's specifications. The sealer to be used shallleave no residue upon the face of the concrete, nor have the effect of preventing bonding ofsubsequent paint or plaster coats.

3.03 FORM REMOVAL

A. Forms shall not be removed before minimum curing period has elapsed without approved,alternate curing methods being employed.

B. Forms shall be removed without damage to the concrete and in such a manner that willinsure complete safety of the structure and without damaging exposed concrete, edges,chamfers and inserts. In no case shall they be removed until the concrete has hardenedsufficiently to permit their removal with safety, and the members have attained sufficientstrength to safely support the imposed loads.

C. The minimum time for removal of forms after concrete has been poured shall be as follows:

1. Columns and walls: 7 days, provided members are not subjected to overhead loads.2. Footings: Side forms may be removed 24 hours after concrete is poured, if back-

filled immediately, otherwise 7 days minimum.3. Beams, elevated slab, etc. 28 days unless adequate shoring and curing procedures

are provided.

D. The times listed above are minimum. These time periods may be extended if deemednecessary by the Architect.


E. Concrete shall not be subjected to superimposed loads (structure or construction) until it hasattained its full design strength, and not for a period of at least 14 days after placing.

F. Concrete shall not be subjected to construction loads in excess of design loads.

END OF SECTION


SECTION 03 30 00

CAST-IN-PLACE CONCRETE

PART 1 GENERAL

1.01 SCOPE

A. Work Specified

1. Provide all labor, materials, equipment and services to complete all concrete workrequired.

1.02 DESCRIPTION

A. The work shall include, but not necessarily be limited to, the following:

1. Foundations, beams, columns, slabs, walls and retaining walls.2. Installation of all bolts, inserts, sleeves, connections, etc. in the concrete.3. Coordination with other trades:

a. Make all preparations and do all work necessary to receive and adjoin theother work. Except where otherwise specified, the various trades willfurnish bolts, anchors, etc. required for anchoring their work to theconcrete. This Contractor will install the bolts and anchors into the forms,and furnish and install the necessary blocking.

b. The Contractor shall be responsible for the installation of all accessoriesembedded in the concrete and for the provision of holes, etc. necessary forthe execution of the work of other trades. Any patching or cutting madenecessary by failure or delay in complying with this requirement shall be atthe Contractor's expense.

c. The other trades shall be responsible for the accurate location of theiraccessories. Any cutting and patching which may be necessary because ofinaccurate placement shall be at their expense.


A. Reference standards: Unless otherwise noted, the following standards shall govern the work.

1. American Society for Testing and Materials (ASTM), latest revision

2. California Building Code 2007 Edition (noted herein as CBC), Chapter 19A

3. American Concrete Institute (ACI): ACI 304 – Recommended practice for measuring, mixing and placing concrete. ACI 306 and ACI 305 – Recommended practice for cold weather and hot weatherconcreting.

B. Contractor submittals to the Architect and the Owner's testing laboratory (unless notedotherwise).

1. Cement chemical analysis: Cement shall meet all requirements specified; laboratoryanalysis of specified aggregates. Source and origin of materials: The supplier shall submit Certificates ofCompliance stating that the specific materials supplied conform to CBC 1929A.1.

2. Concrete Mix Designs:

MT. DIABLO UNIFIED SCHOOL DISTRICT CAST-IN-PLACE CONCRETESECTION 03 30 00-1

a. The mix designs for all structural classes of concrete are to be prepared bya recognized testing laboratory and a qualified licensed civil engineer.

b. Submit a certification that the mix design meets the requirements of thespecifications and meets the requirements of the CBC for concretedurability and quality, including a historical background as a pre-qualifiedmix; that the mix is over-designed if the mix is not pre-qualified, or thattrial batches will be made and tested at the expense of the supplier.

c. If a deviation from these specifications is desired, the preparer shall submitthose deviations, along with a written explanation indicating that thesubmitted mix designs will provide an equivalent or better concrete productthan as specified.

d. Adjustments to review mix designs to account for weather conditions, etc.e. Mix design to be in accordance with CBC 1905A.3.3.1, and all

requirements of these specifications.3. Placing Record: Contractor shall maintain a record of time and date for each

placement of concrete per CBC 1929A and Section 3.02 B. Submit at the end of thejob.

4. Manufacturer's instructions and specifications for other concrete related materialssuch as: bond breakers, cure/sealer, admixtures, etc. shall be submitted to theArchitect.

5. Proposed location of construction and cold joints shall be submitted to the Architectwhen different or in addition to those shown on the drawings.

6. Batch plant certificates shall be provided to the owner's testing laboratory and theArchitect upon delivery of each load of concrete. Failure of the supplier to providea batch plant certificate with each truckload of concrete is cause for rejection of theload. Certificates to include information per Section 1.03 C4 below.

7. Engineering analysis prepared by a California licensed Civil or Structural Engineerto justify construction-imposed loads on slabs, beams, walls when those loads are inexcess of those required by the CBC for the specified use.

C. Testing and Inspection by the Owner's Testing Laboratory

1. The Owner's testing laboratory will review concrete mix designs and certificates ofcompliance, as supplied by the contractor for conformance to CBC 1903A and thesespecifications.

2. Review of: Contractor submittals, batch plant certificates, admixtures, etc.3. Test aggregates per CBC 1903A.3.4. Batch plant inspection at automated plants to occur at commencement of concrete

work each day. Batch plant inspection at non-automated plants and when accuracyis questionable shall be continuous. Additionally, water cement ratio (WCR) is to beverified where a WCR is specified herein. The computed WCR is to be written onthe batch plant certificate, to be taken to the job site prior to the truck leaving theplant.

5. Batch Plant Certificates: Obtain a batch plant weigh master's certificate at the site.If no batch plant certificate is provided at the site, recommend to the GeneralContractor that the truckload of concrete be rejected. So note in daily log, alongwith the location of the load of concrete in the structure if the load is not rejected.

a. To verify mix design quantities and condition upon delivery to the site, thelaboratory's inspector shall obtain Batch Plant Certificates for each transitmixer. Certificates to include: Date, time, ingredient quantities, wateradded at plant and on job, total mixer revolutions at time of placement, andtime of departure. For concrete with specified water cement ratio (WCR),no water is to be added on site unless the WCR upon leaving the plant isbelow the specified WCR. In this case water may be added on site until thespecified WCR is met.


6. All cement used shall be sampled by the Owner's testing laboratory in accordancewith CBC 1929A.1. Cement samples shall be held for possible testing untilcompletion of construction.

7. Construction testing and inspection: Provide continuous inspection at the batchplant and during placement of structural class concrete with design strength of morethan 2500 psi. Structural and non-structural class concrete with a design strengthof 2500 psi or less to have periodic inspection on a 100 cubic yard basis as requiredto ensure conformance. See 2.02 for concrete classifications.

a. Sensitive flooring areas will be tested for moisture content prior toinstallation of flooring systems. Refer to flooring specifications forconditions and timing for testing.

b. Review and propose adjustments to reviewed mix designs to account forsite, weather conditions, etc.

c. The Owner's testing laboratory inspector will make a set of four specimensat the job for each class of concrete per each 50 cubic yards or fractionthereof, and not less than one set of specimens for each 2000 square feet ofsurface area, for slabs or walls of each grade of structural concrete used foreach day's placement. Perform standard 6"x12" cylinder tests inaccordance with CBC 1903A.8. A record of the location of each concretebatch in the building will be kept and noted on the specimen. Thesecylinders will represent as nearly as possible the batch of concrete fromwhich they are taken.

d. Standard compression tests of cylinders will be made, one at 7 days andone at 28 days in accordance with CBC 1903A.8. The minimum strengthof each of the three cylinders shall be the specified design strength. If thestrength of the test cylinders falls below the minimum compressivestrength specified, the proportion of the concrete mix for that remainingsegment of the structure must be adjusted to yield concrete of the specifiedminimum strength. All low-strength concrete in place shall be tested bytaking cores from the structure as outlined in CBC 1905A.6.4, at theContractor's expense.If the compressive tests of the core specimens fail to attain a minimum of85% of the specified design strength, the concrete will be deemed defectiveand shall be removed and replaced or adequately strengthened in a manneracceptable to the Architect and the Division of the State Architect, at theContractor's expense. Field specimens of concrete and tests thereof shallbe in accordance with CBC 1905A.6.4.

f. The Contractor shall provide a satisfactory bin filled with damp sand forstorage of the specimen cylinders until delivered to the laboratory.

7. Non-structural Concrete

a. Testing and inspection is not required.8. Slump test and air tests will be made at the time of taking test specimens, and/or at

one-hour intervals during placing of concrete in accordance with ASTM D143.9. Testing of drilled and/or grouted concrete anchors:

a. Testing laboratory shall test all such anchors as noted on the drawings.10. To verify mix design quantities and condition upon delivery to the site, the inspector

will obtain, for each transit mixer, batch certificates for each delivery indicatingbatch date, time, ingredient quantities, water added at plant and job site, andnumber of mixer revolutions up to start of placing. For concrete with specifiedwater cement ratio, no water is to be added on site.

11. The laboratory's inspector will report to the Contractor when material does not meetthe requirements noted herein. The Contractor shall disallow use of such materialunless prior approval for use is given by Architect and DSA-ORS.

1.04 PRODUCT DELIVERY, STORAGE AND HANDLING


A. Cement: Store in weather-tight enclosures and protect against dampness, contamination,and warehouse set. All cement to be from the same source.

B. Aggregates:

1. Stockpile to prevent excessive segregation or contamination with other materials orother sizes of aggregate.

2. Use only one supply source for each aggregate stockpile.

C. Admixtures:

1. Store to prevent contamination, evaporation, or damage.2. Protect liquid admixtures from freezing or temperature ranges.3. Agitate emulsions prior to use.

1.05 COLD AND HOT WEATHER REQUIREMENTS

A. Allowable concrete temperatures.

1. Cold weather requirements per CBC 1905A.12 and as follows: When depositingconcrete at freezing or near-freezing temperatures, the concrete shall have atemperature of at least fifty (50) degrees F., but not more than ninety (90) degrees F.The concrete shall be protected from freezing and maintained at a temperature of atleast 50 degrees F. for not less than seven days after placing. When necessary,concrete materials shall be heated before mixing. Special precautions shall be takenfor the protection of transit-mixed concrete. The use of salts or chemicals either asprotection or as an admixture will not be permitted unless approved by the Architectin writing. During freezing weather an air temperature log shall be kept by theContractor for the first seven days after placement. Intervals shall not exceed fourhours.

2. Hot Weather Requirements per CBC 1905A and as follows: Concrete shall be below75 degrees F when placed (add ice, cool aggregates as necessary). Do not placeconcrete in hot/windy weather without review of procedures by the Engineer.Generally, erect sunshades and/or windbreakers to protect flat work during finishingand immediate curing operations. Do not place concrete for flatwork when the airtemperature exceeds 90 degrees F. Retarders shall be added to improve curing andevaporate retardants utilized. Modified mix designs to be reviewed by Architect andthe Owner's testing laboratory.

B. Do not place concrete during sub or near freezing weather, snow, rain or sleet unlessprotection from moisture and/or cold is provided.

PART 2 PRODUCTS

2.01 MATERIALS

A. Materials shall be new and best of their class or kind. The materials, if found defective,unsuitable, or not as specified, will be condemned, and must be promptly removed from thepremises. Materials specified by brand name shall be delivered in unbroken packagesbearing manufacturer's label and shall be the brand specified or an approved equal. Othermaterials shall conform to the applicable sections of the current editions of the variousstandard specifications quoted herein. Materials must be properly protected from theweather or other damage, and shall be stored to prevent inclusion of foreign materials.

B. Portland Cement: ASTM C150, Type II, low alkali with the following properties:


1. Cement shall conform to CBC 1903A.2.2. Fly Ash (Pozzolan): ASTMC 618 or AASHM 295. Fly Ash is not Portland cement

and may not be substituted for Portland cement on an equivalent weight basis, orwithout written request by the preparer of the mix design indicating the purpose ofthe substitution. This request may be denied by the Engineer.

C. Concrete aggregates: CBC 1903A.3; stone aggregate. Source shall remain constantthroughout the duration of the job. The exact proportions of combined fine aggregates andcoarse aggregates to be used in the mix shall meet the requirements of CBC.

D. Water: potable, clean, from domestic source.

E. Admixtures: All admixtures shall be used in strict accordance with the manufacturer'srecommendations. Admixtures containing calcium chlorides or other accelerators shall notbe used without the approval of the Architect and the Owners testing laboratory. Admixturesshall conform to CBC 1903A.6.

1. Mid Range Water Reducing Admixtures: ASTM C-494, Type A, Polyheed 997 byMaster Builders, WRDA 79 by W.R. Grace or acceptable equivalent

2. Water Reducing Admixture and Retarder: ASTM C-494, Type D, "Pozzolith 300R",Master Builders; "Plastiflow-R" by Nox-crete; or acceptable equivalent

3. Air Entrainment - MBAE -10 (Master Builders Air Entrainment)4. High range water reducing admixtures: (Super Plasticizer) Rheobuild 1000 by

Master Builders or acceptable equivalent5. The use of water reducing admixtures to increase slump required reduction of total

water content per manufacturers recommendations.6. The use of high range water reducing admixtures in large quantity requires water

reduction in accordance with the manufacturers recommendations.F. Slurry

1. Slurry shall consist of the same proportions of cement-to-fine-aggregates used in theregular concrete mix (coarse aggregate only omitted) and shall be well mixed withsuch amounts of water as will produce a thick consistency.

G. Grout

1. Grout for Base Plates and Sill Plates: Non-shrink, high-strength grout shall be usedfor all grouting; conform to or exceed requirements of CRD-C621 and ASTMC1107. Grout shall be metallic type for concealed work and non-metallic type forexposed work. Acceptable manufacturers include The Burke Company, MasterBuilders, and W.R. Meadows, Inc. Grout shall attain 7000 psi in 20 days minimumwhen placed in a ”fluid” state. Grout brands to meet or exceed the properties ofMaster Flow at 928 at fluid consistency.

H. Dry Pack

1. Dry pack for cosmetic concrete repairs only shall consist of one part cement to 2-1/2parts fine aggregate (screen out all materials retained on a No. 4 sieve), mixed witha minimum amount of water, in small amounts. The consistency shall be such thatwhen a ball of the mixture is compressed in the hand it will maintain its shape,showing finger marks, but without showing any surface water.

I. Concrete Joint Material: Expansion joints shall be formed by premolded bituminous jointmaterial, non-extruding, 3/8" thick, conforming to ASTM D944, as manufactured byServicised Products, W.R. Meadows, Inc. National Expansion Joint Co., CelotexCorporation, or acceptable equal.

J. Concrete Bonding Agent: "Concresive" Liquid LPL, Masters Builders Inc., "Top Bond #40",Nox-Chem, "Rezi-Weld 1000" by W.R. Meadows, or approved equal.


K. Slab Curing Paper: American Sisalkraft Corp's. "Orange Label Sisalkraft" reinforcedwaterproof building paper, Pabco's "Pabcotite" paper, or approved equal conforming toASTM C171, Type I.

L. Curing Compounds: ASTM C309, Type I, Class B 20% min. solids, water base acryliccure/sealer which will not discolor concrete or affect bonding of other finishes. Products maybe "Vocomp 20", “Vocomp 25” or “Vocomp 30" by W.R. Meadows Co., or acceptableequivalent. See Curing and Protection Section 3.06.

M. Vapor Barrier: Unless specified elsewhere, 10 mil Polyvinyl chloride with sealed lap joints.N. Chemical Floor Hardener: "Techkote #1080", National Expansion Joint Co. “Pena-lith” by

W. R. Meadows Co., or approved equivalent.O. Evaporation Retardant: "Con-Film" by Master Builders. P. Water Stop: Seal-tight PVC water stop by W. R. Meadows Co.Q. Slab Joint Sealer: Gardox Horizontal Joint Sealant by Seal Tight or equal, to conform with

CRD 525 and 526, Type H.

2.02 CONCRETE MIXES

A. General

1. Contractor submittals shall be supplied to the Architect and the Owner's testinglaboratory at least 15 days before placing concrete. Prior to submittal of mixdesigns, the Contractor shall review them for compatibility with his placingrequirements to ensure that the concrete as designed can be placed in accordancewith the drawings and specifications.

2. The proportions of the concrete mixes shall be such as to produce concrete ofrequired average strength (as defined by CBC 1905A), set time, slumps, aggregatesizes, and shrinkage, and of a consistency that will allow thorough compactionwithout excessive puddling, spading, or vibration, and without permitting thematerials to segregate, or free water to collect on the surface. The size and type ofaggregates shall be such that they will produce low-to-moderate shrinkage, denseand uniform concrete free from rock pockets, honeycomb and other irregularities.All concrete mixes shall have entrained air for workability (4% maximum). Theminimum set time for concrete to be used for flatwork shall be 3-1/2 hours, otherconcrete 3 hours as measured from placement of materials in the mixer. Minimumand maximum criteria presented herein are guidelines and do not represent specificmix designs. Minimum cement content indicates minimum sacks of cement, notcementious material. Increasing cement content, to increase early strengths or toachieve specified WCR, while maintaining water content is discouraged in order tominimize effects of shrinkage.

3. Concrete may, at the Contractor's option, be designed for either pump orconventional placement with aggregate size, slumps, etc. to be maintained asspecified below.

4. Variations in mix design, including changing type and or quantity of admixtures,are to be resubmitted to the Owner’s testing laboratory and the Architect for reviewprior to use.

5. Mix designs with a specified maximum water cement ratio may be designed with alower WCR than specified in order to allow for addition of water at the site.


B. Class of Concrete for Minimum Requirements

Class

Coarse AggregateSize (Inches) andFine Aggregate***

Minimum WCR & Maximum Nominal Slump & Tolerance (Inches)*, **

Minimum 28-Day Design Strength ****

Minimum Cement Sacks/ C.Y.****

Non-Structural1. Lean Concrete for Backfill 1" x #4 --- --- 3.02. Slab on Grade Exterior (Walks

& Patios) 1" x #4 4" + 1" 2,500 4.5

Structural3. Interior Slab on Grade 1" x #4 3" + 1/2" 4,000 6.04. Foundation 1" x #4 3-1/2" + 1/2" 3,000 5.05. Formed Cast Slab Above Grade 1-1/2" x #4 3" + 1/2"

WCR = .464,000 6.0

6. Cast Slab Above Grade on Metal Deck

1" x #4 3" + 1/2" 3,000 5.0

7. Columns & Walls & Beams 1" x #4 3 1/2" + 1/2WCR = .46

4,000 6.0

8. Tilt-Up Concrete Wall Panels 1" x #4 3 1/2" + 1/2WCR = .53

3,000 5.25

9. Light Weight Concrete 3/4" Expanded Shale x #4

3" + 1/2" 3,000 5.5

* The tolerance is the maximum deviation allowable without rejection. The mix design shallbe based on the nominal value specified and is without water reducing mixtures. Slump tobe measured at the end of the hose.

** The maximum water cement ratio is limited at time of placement as noted. No water is tobe added on site such that the specified WCR or maximum slump is exceeded withoutapproval of the testing laboratory and the Architect/Engineer. Workability is to be achievedutilizing an acceptable mid range to high range water reducing admixture.

*** Gradation of aggregate is per CBC 1903A.3.

**** Minimum cement content is based on a pre-qualified mix design as defined by CBC 1905A.

PART 3 EXECUTION

3.01 MIXING CONCRETE

A. Final proportions shall be in accordance with reviewed mix designs. Adjustments toaccepted proportions, for whatever reason, shall be reviewed by the Engineer prior to use.

B. Batch and mix concrete per CBC 1903A.9.C. Batch and transit equipment shall be adequate for the work and operated as necessary to

provide concrete complying with specified requirements.D. Mixed concrete shall be placed in the forms within

1-1/2 hours from the time of introduction of cement and water into the mixer. Use of, or re-mixing and tempering mixed concrete older than 1 hour, will not be permitted.

E. Concrete mixes with a maximum WCR specified shall not have water added at site unlessthe water content at batch time provides for a WCR less than specified.

3.02 PLACING CONCRETE


A. Inspection and Testing:

1. Review by Architect: Notice shall be given 48 hours (2 working days) before eachconcrete placement, in order that review of reinforcing, forms, etc. can be madeprior to placing concrete.

2. Owner's Testing Laboratory: Contractor shall notify 24 hours before each pour date.

B. Records: The contractor shall keep a record of the time, temperature and date of placing theconcrete in each portion of the structures. Such report shall be kept until the completion ofthe structure and shall be available for review by the Owner's testing laboratory/Architect.

C. Preparation

1. Remove loose dirt, mud, standing water, and foreign matter from excavations orcavities.

2. For concrete on metal decking, thoroughly clean decking. Do not wet deck surfacejust prior to placement of concrete.

3. Thoroughly clean reinforcement and other embedded items from loose rust andother matter. Assure reinforcing is held securely in place.

4. Thoroughly wet wood forms, (except coated plywood) and bottom and sides oftrenches, base under slab, adjacent concrete or masonry, sand beads and allreinforcing at least once in advance of placing concrete; repeat wetting as necessaryto keep damp and cool.

5. Equipment shall be maintained and of sufficient quantity and capacity to efficientlyexecute the work required.

6. Check all embedded items for location, position and inclusion.7. Dampen materials on which concrete is to be placed. Do not saturate.

D. Transporting

1. Concrete shall be transported from the mixer to the place of final deposit as rapidlyas practical, by methods that will prevent the separation or loss of the ingredients.

2. Prevent penetration of vapor barriers and/or waterproofing membranes.

E. Placing

1. Concreting, once started, shall be carried on as a continuous operation until thesection of approved size and extent is completed. Construction joints must be asdetailed on the drawings, or as otherwise approved.

2. When structural concrete is to be placed on elevated structural systems that are notto be shored, such as structural steel beams and metal decking, screed lines shall belocated on primary structural members such that deflections of intermediatestructural members and decking is compensated for by placement of additionalconcrete. The Contractor shall review proposed screed line locations with theArchitect. Screed lines shall be placed to match any camber of primary girders thatare other than “dead level”.

3. Concrete shall be so deposited as to maintain, until the completion of the unit, aplastic surface approximately horizontal. It shall be deposited as neatly as practicalin its final position to avoid rehandling or flowing. No concrete shall be depositedthat has started to set or stiffen. The remixing of concrete or grout which has begunto set will not be permitted. For concrete with specified water cement ratio (WCR),no water will be added on site.

4. Concrete, when placed in columns or walls, shall not be placed in layers exceedingten feet in depth. Schedule of pouring shall be such that no concrete shall takeinitial set before the next concrete is poured. No horizontal cold joints will beallowed in columns or walls. Concrete in walls shall be placed in 32" horizontallifts, minimum.


5. Concrete shall not be dropped freely where reinforcing bars will cause segregation,nor shall it be dropped more than four feet. Spouts, elephant trunks or otherapproved means shall be used to prevent segregation as necessary.

6. Any concrete spilled on forms or reinforcing steel, in portions of structure notimmediately concreted, shall be removed before concrete sets.

7. Any interruption in placing of more than 60 minutes will be cause for shuttingdown the work and the wasting of any remaining mixed concrete, concrete inhoppers, or in mixers. In case such interruption occurs, the Contractor shallprovide construction joints where and as directed, and cut concrete back to suchline, cleaning forms and reinforcing as herein specified.

F. Consolidation

1. Concrete shall be thoroughly compacted by puddling with suitable tools duringplacing, and thoroughly worked around the reinforcement, around embeddedfixtures, and into the corners of forms. In addition to manual spading and tamping,all concrete shall be internally vibrated with high speed mechanical vibrators.

a. Vibrators shall have sufficient amplitude for adequate consolidation.b. Vibrators shall be used at each point of concrete placement. Spare

vibrators, not in use, shall be kept at the site for standby service.2. Consolidate each layer of concrete as placed. Insert vibrators vertically at points

18" to 30" apart; work into top area of previously placed layer to reconsolidate andslowly withdraw to surface. Keep vibrator heads free from form surface.

3. Systematically double back to consolidate concrete to maximum density andreconsolidate whenever possible.

3.03 CONCRETE JOINTS

A. Structural Joints (Construction/Cold Joints)

1. Joint locations shall be where shown or approved. Joints not indicated on the plansshall be made and located so as not to impair the strength of the structure, shall belocated to meet the minimum requirements below, and shall be submitted toArchitect for review prior to placement of concrete.

2. All surfaces of previously placed concrete at construction joint shall be cleaned,washed, and roughened by sandblasting per CBC 1906A.4. Horizontal constructionjoints at the bottom of walls (unless not allowed otherwise) shall be 2" slurry placedat beginning of pour unless it can be demonstrated with a “test” section thatsegregation of aggregate will not occur.

3. Length of continuous placement for walls, formed slabs, joists, beams, etc. shall notexceed a length (feet) equal to three times the slab thickness (inches) unlessreviewed by the Architect. Pour sections shall be alternated or staggered. Submitproposed location of construction/cold/expansion joints for review prior to placingconcrete. Foundations may be placed in up to 200-foot increments. Shut offlocations shall be “keyed” with form boards and reinforcing extended through onelap length or more.

4. All reinforcement shall be continuous through unless lap splices are provided ateach side of joint.

B. Expansion/Construction Joints (Dowel Joints and Control Joints)1. Exterior walkways, patios and other non-structural concrete flatwork shall have

expansion/construction joints formed by a 2" deep trowelled groove, or by asphaltimpregnated joint material embedded 50% of the slab depth at 12' on centermaximum. No section shall be placed with a length larger than two times its width.Additionally, place joints at all inside corners, and at intersections with other work.

2. Interior and Exterior Floor/work Area Slabs


a. Provide dowel joints or control joints at a maximum dimension (in feet) ofthree times the slab thickness (in inches) in each direction, unless notedotherwise. Install joints to match slab level and in straight lines.

C. Joint Types:

1. Dowel Joint: A keyed joint with smooth dowels passing through to allowunrestricted movement due to contraction and expansion. Joints are as shown onthe drawings. Joint shall have a 3/8" wide by 3/4" deep void at top for flexiblesealant.

2. Control Joint(s): Shrinkage crack control joints may be of the following types whenshown on the drawings. Joints to be installed in a straight line between end points,and joint edges to be finished appropriate to type. Joints are as shown on thedrawings, filled with sealant or as required by other finishes.

a. 2” deep x 1/4” wide trowelled joint.b. A pre-manufactured plastic joint such as "Zip Strip” may be provided

where covered by other finishes.c. 1/8” x 2” masonite strip where covered by or finishes.d. 1/8” x 2” deep saw cut installed within eight hours of completion of

finishing. Saw cuts shall not be made if aggregate separates from cementpaste during the saw cut operation. Equipment shall be maintained suchthat surface finish is not marred. Saw cut joints not covered by otherfinishes shall be filled with sealant.

3.04 FLATWORK (All Concrete Formed & Finished Flat)

A. General

1. Edge forms and screeds: Edge forms and intermediate screed strips shall be setaccurately to produce the design elevations and contours in the finished surface, andshall be sufficiently strong to support the type of screed to be used.

2. Jointing: Joints shall be located and detailed as indicated on the project drawingsand specifications. Flatwork on ground may be cast in checkerboard patterns or instrips.

3. Consolidation: Concrete in slabs shall be thoroughly consolidated. Slab concreteshall be compacted and tamped with a grid tamper so that the coarse aggregate ispushed below the surface, but without working paste and fines to the surface.Screed the surface uniformly to grades. As soon as the surface becomes workable, itshall be wood or magnesium floated.

4. Evaporation retardant shall be placed on tamped and/or floated surface as necessaryto retain surface moisture for finishing and to avoid plastic shrinkage cracking

B. Flatwork on Ground

1. Unless noted otherwise, sub-base for all concrete floor slabs shall consist of 4"minimum thickness of clean, free-draining rounded, thoroughly compactedbaserock.

2. Over baserock material under interior concrete floor slabs, where called for on thedrawings, apply a vapor barrier in widest practicable widths. All joints shall belapped not less than 12 inches with the top lap in the direction of the pour andsealed with an approved cold plastic cement. Approved tape may be substituted forcement. Patch holes in vapor barrier similar to laps. Over membrane provide 2"thick layer of damp compacted concrete sand. Dampen sand prior to placingconcrete. In winter months, do not place concrete unless sand layer is dried to adamp condition.

C. Finishes


1. Flatwork: All flatwork finishing must be performed by experienced operators.Flatwork shall be brought to grade for sloped slabs or to level grades as shown ondrawings, and care shall be taken to insure full thickness in all cases. All floorsurfaces shall be finished monolithically. Surfaces shall be uniform and level orsloped evenly to drains where they occur. Do not use liquid curing compounds orother coatings that may prevent bonding of tile-setting materials to slabs.a. Flatwork which receives a surface applied membrane, ceramic tile or wood

frame for raised floors for finish, shall be wood floated.b. Flatwork requiring a finish surface is to be steel trowel finished (two min.).c. Broom Texture Finish:

1) For exterior surfaces where shown or not otherwisespecified.2) Finish as for steel trowel finish, except immediatelyfollowing first trowelling (depending on conditions of concreteand nature of finish required), texture surfaces to a uniformcondition using a medium or coarse fiber broom as directed by theArchitect.

2. Lines and Levels:

a. Exterior surfaces not otherwise shown or required shall be transverselysloped to drain 1/8" minimum per foot. Exterior surfaces not required tobe sloped shall be level within 3/4" overall, tolerance (+3/8", -3/8").

b. Interior surfaces:1) Interior flatwork shall be level throughout within 1/2", tolerance

(+1/4, -1/4") inch, as defined by the form work. Optionally, levelnessshall meet or exceed the requirements of ACI 302 FL = 20, unlessotherwise noted.

c. Maximum Allowable Deviations in Trueness of Surfaces: Deviation inelevation of surfaces shall be as shown or approved, and deviations shallnot exceed the following tolerances.

1) Deviation in trueness of surfaces may be measured usinga 10-foot straight edge and shall not exceed the followingtolerances, plus or minus, unless otherwise noted:1/4-inch for wood float finishes and exterior surfaces.1/8-inch for steel trowelled and other interior finishes.2) Optionally, deviations in trueness shall meet or exceedminimum limits set by ACI 302 with FF not less than 30, unlessotherwise noted.

3. Defective Finishes: For defects in concrete finishes see Section 3.07 DefectiveConcrete.

3.5 FORMED SURFACES

A. Lines and Levels:1. General: All concrete members shall be formed level and/or plumb. Maximum

deviation is 1/8” end to end of any one member. All concrete shall be finished tomatch forms.

B. Finishes:1. Intermediate joint and score marks and edges shall be tooled smooth where

indicated, or as directed by the Architect.2. Use steel radius tools of standard patterns or as required to achieve details shown or

specified. All exposed corners not specified to be chamfered shall have radiusededges.

3. All finishes to be as required to achieve appearance specified on structural andarchitectural drawings and specifications.

C. Permanently Exposed Joints and Surfaces:


1. After removal of forms, inspect all exposed surfaces for defects and repair defectiveconcrete per paragraph 3.07.

2. Maximum differential height within two feet and across construction joints is 1/16”.3. For curled edges at cracks and joints see Section 3.07 Defective Concrete.

3.06 CURING AND PROTECTION

A. General1. Curing is intended to maintain water content for proper hydration and to minimize

temperature ranges. Procedures shall be consistent therewith, as far as practical, andwithin scope of work specified.

2. Wheeling, working and walking on concrete shall be avoided for at least 24 hoursafter placement. Protect concrete from sun and rain.

3. All concrete shall be kept at or above 50 degrees F. during and for the first seven 7)days after placement. See paragraph 1.05 - Cold and Hot Weather Requirements.

4. Concrete shall not be subjected to any design loads until it is completely cured, andhas attained its 28-day strength (21 days minimum).

5. Protect concrete from damage during subsequent building construction operations,during and after curing. The General Contractor is responsible for the protection ofthe finished slab from damage due to construction loads. Submit engineeringanalysis for point or wheel loads in excess of 10,000 lbs. on slabs on grade and5,000 lbs. for slabs above grade.

6. Keep finished areas free from all traffic for four days minimum, or as necessaryuntil surfaces have set sufficiently to prevent damage, or cover traffic areas withplywood sheets; maintain paper and plywood in place and in good repair for as longas necessary to protect against damage by any or all other construction operations.

B. Curing: Curing shall immediately follow finishing.1. Flatwork on grade: Cure by one of the following methods:

a. Waterproof curing paper: While in thoroughly damp condition, cover withcuring paper; lap seams 6" minimum and extend beyond slab or pavingperimeters 6' minimum; seal all laps and edges with continuous reinforcingplastic tape.

Do not remove for 7 days minimum.

b. Cure/Sealer: Immediately upon completion of finishing, apply anapproved cure/sealer to flatwork. Additionally, during hot and/or windyweather, flatwork shall be kept wet by a continuous fog spray, or wettedand covered with Polyethylene similar to B.1.a, for a minimum of 48 hoursafter application of cure/sealer. Curing shall continue beyond theminimum of 48 hours as necessary to insure proper curing. This methodmay be employed only when other concrete treatment or finished will notbe affected by the cure/sealer applied, unless product is removed prior toinstallation of other finishes. Cure shall be applied at the maximumrecommended application rate.

c. Water curing: Flatwork may be continuously water cured with a fog sprayor flooded, for a period of seven (7) days minimum (including holidays andweekends). Alternatively cover with non-staining water-retainingmaterials and keep saturated for same period.

2. Elevated Flatwork

a. Waterproof curing paper per (1a) above or water cure per (1c) above for 14days’ period minimum.

b. Apply cure/sealer per (1b) above after initial curing period.

3. Flatwork on metal decking cure per (1b) above.


4. Formed Concrete Members

a. Beams, walls, columns, etc. shall be adequately protected from cold andhot weather.

b. Forms shall be kept tight for a minimum of 7 days utilizing cloth materialsas a complete cover, unless exposed surfaces are kept continuously damp.

5. Foundations

a. Wet trenches prior to placing concrete. Apply approved cure/sealerimmediately after floating.

C. Hardener: After 30 days minimum curing, apply hardener to all floor slabs not receivingother finishes. Apply to clean, residue- (bond breakers, cure sealers, etc.) free surface in strictaccordance with the manufacturer's directions.

3.07 DEFECTIVE CONCRETE AND DEFECTIVE FINISHES

A. Defective materials and execution of construction:

1. Concrete that does not meet specifications may be required to be removed andreplaced by the Owner.

a. Low strength concrete: Test remaining cylinder(s) at 56 days. If strengthrequirements are met, concrete strength is acceptable.

b. Excessive shrinkage, cracking, crazing or curling: Removal andreplacement may be required by the Owner if repairs acceptable to theOwner cannot be made.

B. Defective concrete shall be repaired or replaced as directed by the Architect, at no addedexpense to the Owner.

1. In general, minor defective work may be repaired by use of dry-pack and surfacegrinding of high spots, with permission of the Architect. If defective work is seriousor affects the strength of the structure or the appearance, the Architect may requirethe removal and replacement of that portion of the concrete.

2. Immediately after removing forms, all concrete surfaces shall be inspected and anypour joints, voids, rock pockets, tie-holes, etc., except as specified, shall be patchedat once, but not until the surfaces have first been reviewed by the Architect. Prior tocommencing work, submit for review the patching mixture and proposed methodfor use.

3. Slabs on grade and on metal deck shall be reviewed by Contractor for "curled" slabedges and joints and shrinkage cracks just prior to installation of other floorfinishes. Curled edges shall be ground flush, and cracks of 1/16” and more filledwith cementious grout as a filler.

4. High spots or protrusions caused by formwork, etc. shall be ground flush withsurrounding concrete.

5. Slab sections not meeting trueness/flatness or lines/levels/levelness shall beremoved and replaced unless otherwise directed by the Architect. The minimumsection for removal is a 15' square area unless directed otherwise by the Architect.

3.08 GROUTING AND DRY-PACK

A. Provide for setting steel plates and sill plates on concrete or masonry. Prepare using approvednon-shrink grout aggregate to produce mortar 5,000 psi minimum at 28 days. Completelyfill all voids; thoroughly compact in place.


B. Bolts or inserts which have been dry-packed or grouted in place shall not be tensioned soonerthan 7 days after packing.

3.09 CONDUITS AND PIPES IN CONCRETE

A. Slabs on Grade: No conduit shall be embedded within the depth of the slab. No pipe, etc.exceeding 1" o.d. shall be embedded within the slab. All pipe within slab shall be laid ongrade. Do not stack; separate pipe lines by 6" minimum. If it is required to embed largerpipe, thicken slab to meet that requirement.

B. All individual pipes through concrete shall be sleeved, with 1" minimum clear all aroundfrom sleeve to reinforcing. Wrapped pipes shall have 1-1/2" clear to reinforcing all around.Pipe wrap shall be from 1/8" + sheet foam with three wraps minimum.

C. Groups of pipes and conduits shall be spaced at least 3 sleeve diameters apart such thatconcrete and reinforcement as specified is uninterrupted. When grouping of pipe andconduit is such that spacing is not possible, block outs in the foundation or other structuralmember shall be installed. The reinforcement specified shall be provided both top andbottom of the block out. Foundation depth at each side of block out shall match the specifiedfooting depth, unless otherwise noted on the structural drawings. Other structural membersaffected by block outs shall be sized and reinforced as directed by the Architect. Pipes andconduits embedded in foundations, beams, columns, elevated slabs, and walls shall becentered through the depth and/or thickness. Maximum size to be imbedded shall notexceed the least dimension divided by 3. No conduit or pipes shall be imbedded in slab onmetal deck.

D. Where plumbing passes directly beneath foundations, thicken foundation as shown on thedrawings and meet requirements of B above.

3.10 PROTECTION OF DRAINAGE SYSTEMS

A. Care shall be taken not to introduce any foreign material into any specified drainage, pipingor duct system. Cost of work required to repair or clean the drainage system as a result offailure to comply with this requirement will be back charged to the Contractor.

3.11 CLEAN UP

A. Contractor shall keep the buildings free of debris at all times. At the completion of his work,he shall remove all materials from the premises and streets, scrape all drippings, and leavethe entire work clean and free of debris.

END OF SECTION


SECTION 03 35 00

CONCRETE FINISHING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Colloidal silica treatment applied to cast-in-place concrete to facilitate finishing for the following locations.1. Apply to the top surfaces of the following:

a. Interior concrete slabs.b. Exterior concrete slabs.c. Interior concrete flatwork.d. Exterior concrete flatwork.e. Interior concrete troweled surfaces.f. Exterior concrete troweled surfaces.

2. Apply to the top surfaces of the following:a. Interior slabs-on-grade.b. Elevated floor decks.c. Elevated roof decks. d. Stair treads and landings. e. Concrete countertops. f. Tops of ___ walls that will remain exposed to view or weather. g. Concrete paving. h. Concrete curbs. i. Concrete gutters. j. Concrete sidewalks. k. Concrete driveways. l. Tilt-up concrete panels. m. Pneumatically placed concrete with troweled finish, including vertical and

sloped surfaces. n. Concrete surfaces to receive resilient floor finishes. o. Concrete surfaces exposed to view. p. Concrete surfaces exposed to traffic.q. Rooms ____, _____, _____.r. Parking structures. s. Culverts, tanks, and drainage structures. t. Bridge decks.

3. Apply to locations as shown on the Drawings.4. Exceptions: Do NOT treat:

a. Concrete where aggregates are to be exposed.b. Exposed aggregate concrete to requiring surface retarders. c. ___________.

1.2 RELATED SECTIONS

1. Section 03 11 00 – Concrete Forming.2. Section 03 30 00 - Cast-in-Place Concrete. 3. Section 03 35 00 - Concrete Finishing.

1.3 REFERENCES1. American Concrete Institute (ACI):

a. ACI 301 - Structural Concrete.b. ACI 303.1 - Cast-in-Place Architectural Concrete.c. ACI 305.1 - Hot Weather Concreting.

MT. DIABLO UNIFIED SCHOOL DISTRICT CONCRETE FINISHINGSECTION 03 35 00-1

d. ACI 306.1 - Cold Weather Concreting.e. ACI 308.1 - Curing Concrete.f. ACI 318 - Building Code Requirements for Structural Concrete.

2. ASTM International (ASTM):a. ASTM C192 - Making and Curing Concrete Test Specimens in the Laboratory.b. ASTM C779 - Abrasion Resistance of Horizontal Concrete Surfaces.c. ASTM C805 - Rebound Number of Hardened Concrete.d. ASTM D4263 - Indicating Moisture in Concrete by the Plastic Sheet Method.e. ASTM F1869 - Measuring Moisture Vapor Emission Rate of Concrete Subfloor

Using Anhydrous Calcium Chloride.3. British Standard European Norm (BS EN):

a. BS EN 480-5:2005 - Admixtures for concrete, mortar and grout. Test methods Determination of capillary absorption.

1.4 SUBMITTALS1. Submit under provisions of Section 01 30 00 - Administrative Requirements.2. Product Data: Submit manufacturer's product data and installation instructions.

a. Storage and handling requirements and recommendations.b. Preparation and installation instructions and recommendations.c. Cleaning and maintenance methods.

B. Informational Submittals:a. Submit evidence of compliance with VOC limits.

C. Test Reports: Submit reports substantiating compliance with specified performance.

D. Submit installer qualifications.

1.5 QUALITY ASSURANCE1. Product shall be installed by licensed contractors and installers experienced and

trained in the use of concrete densifiers.2. Perform work in accordance with: ACI 301, ACI 303.1, ACI 305.1, ACI 306.1, ACI

308.1, ACI 318. 3. Mock-Up: Treat where necessary to comply with requirements in related sections.

1.6 DELIVERY, STORAGE, AND HANDLING1. Comply with manufacturer's instructions. 2. Deliver in original, unopened packaging. 3. Store in dry area and raised off floor. 4. Maintain temperature between 40 to 95 degrees F (4 to 38 C) and protect from

freezing.

1.7 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.

1.8 WARRANTY1. Warranty: Manufacturer's standard warranty product is of uniform quality within

manufacturing tolerances. a. Manufacturer does not warranty installation or suitability for project conditions.

PART 2 PRODUCTS

1.9 MANUFACTURERS

A. Acceptable Manufacturer: Must meet local codes.


1.10 COLLOIDAL SILICA TREATMENT1. Basis of Design: Lythic DAY1 by Lythic Solutions, Inc., a Division of Solomon Colors

Inc.2. Description:

a. Ingredients: Concentrated colloid of nano-sized amorphous silica-based compounds and other ingredients.

b. Regulatory Volatile Organic Compound Emissions: 35 g/l maximum.3. System Performance: Meet or exceed the following additional specifications:

a. Workability Time:1) Testing Protocol: Side-by-side trials by volunteer professional concrete

finishers in public demonstrations.2) Result: Workability of colloidal silica-treated slabs increased average of

70 percent compared to slabs with no finishing aid and 38 percent compared to slabs with added water.

b. Surface Compressive Strength: 1) Testing Protocol: ASTM C805 using slabs produced during Workability

Time trials.2) Result:Average increase in compressive strength of colloidal silica-

treated slabs:a) Compared to slabs finished without additional treatment: 49

percent after one day, 25 percent after two days curing, 64 percentafter three days curing.

b) Compared to slabs finished with additional water: 49 percent after one day curing, 55 percent after 2 days curing, 52 percent after 3 days curing.

c. Abrasion Resistance:1) Testing Protocol: Specimens shall comply with ASTM C192, cured 56

days, and tested in accordance with ASTM C779, Procedure C.2) Result: Treated specimens have 65 percent less wear than untreated

specimens after first minute of testing, and took approximately four times as much abrasion to wear through top 0.5 mm of concrete surface.

d. Vapor Transmission:1) Testing Protocol: ASTM F1869.2) Result: Treated specimens have 18 percent reduction at 28 days and 69

percent reduction at 56 days.e. Moisture in Concrete:

1) Testing Protocol: ASTM D4263.2) Result: Treated specimens have significant moisture reduction at 28 and

56 days.f. Moisture Transmission:

1) Testing Protocol: BS EN 480-5:2005.2) Result: Treated specimens have 35 percent less water absorption at 28

days.g. Permeability:

1) Protocol: Cast concrete on warmed surface, under heat lamp, and expose to wind to simulate afternoon pour in Southwestern US. Measure electrical resistance of specimens as indication of moisture in concrete.

2) Result: Treated specimens have 15 percent increase in resistivity, indicating drier and less porous concrete

1.11 MIXING1. Dilute with clean, potable water and mix; comply with manufacturer's instructions.

PART 3 EXECUTION


1.12 PREPARATION1. Protect adjacent areas against overspray and drift.2. Where performance is required to be demonstrated, test a sample slab of similar mix

design 28 days or more prior to actual pouring.

1.13 APPLICATION1. Apply with low-pressure sprayers in accordance with manufacturer's instructions. 2. Test a small area of each concrete batch to be finished at the beginning of floating and

again at the beginning of troweling to verify application rate and finishing techniques.3. Product may be used during the placement and finishing of concrete, and to assist

concrete floating or troweling at any point during the finishing process. a. To ensure consistent results, application for the entire project or entire

contiguous areas is recommended. b. Product can be applied both before and after the application of dry-shake

hardeners and color hardeners, especially useful when there is a limited amount of bleedwater to wet-out the powdered hardeners.

4. Product must be floated or troweled into concrete, do not allow to puddle or pond on surfaces.

5. Multiple applications can be made as needed provided the combined total of all applications is no greater than 1 gallon per 400 square feet (3.78 liters per 37 square meters) per application. a. Do note exceed manufacturer's recommendations. Over application will lead to

residual colloidal silica migrating to the surface or cause surface softening. 6. Typical Applications: Spray apply in two passes:

a. First Pass: Apply as soon as practical after screeding and leveling concrete.b. Second Pass: Apply immediately prior to final troweling or other finishing

operations.c. If immediate application is not possible, apply within three hours of initial

concrete placement. 7. Application Rate: 1000 square feet per gallon (92.9 square meters per 3.78 liters) in

each pass.a. Additional applications to areas that are difficult to close and smooth, or for

edge finishing, are permissible, provided cumulative total of all colloidal silica applications on any one area does not exceed 350 square feet per gallon (32.5 square meters per 3.78 liters).

B. Do not apply water to surface of concrete during placing or finishing.

C. Cure concrete as specified in related work.

1.14 CLEANING1. Remove protection applied to adjacent areas.

END OF SECTION


SECTION 06 10 00

ROUGH CARPENTRY

PART 1 GENERAL

1.01 SCOPE

A. Work Specified

1. Furnish all labor, materials and equipment for rough carpentry necessary tocomplete the work specified and required.

B. Work Included

1. This section includes all rough carpentry, framing and formwork required tocomplete the work shown on the plans and specified herein. Contractor shallprovide backing required by other trades.


A. Reference Standard

1. California Building Code 2010 edition, Chapter 23 (noted herein as CBC)2. All lumber: California Building Code Standard No. 23-1, Classification, Definition

and Methods of Grading for all Species of Lumber"3. Plywood: California Building Code Standard No. 23-24. "Timber Construction Standards" (AITC), latest edition5. "National Design Specifications," latest Edition

B. Testing & Inspection: At the direction of the Architect, the owner's testing laboratory willtest and report on the moisture content of all lumber at time of delivery, and at close in. Thelaboratory will report its findings immediately to the contractor and the Architect.

1.03 GENERAL REQUIREMENTS

A. All work shall be completed in accordance with best standards of practice for carpentrywork. When complete, exposed surfaces shall be free from dents and tool marks, unsandedrough or torn faces and corners, and other defects.

B. Furnish all nails, screws, adhesives and other installation accessories necessary for propererection and completion of carpentry work.

C. Verify all conditions at project site affecting the work; work to adhere to field dimensions asrequired. Coordinate carpentry with rough-ins and installations under other sections.

D. Protect materials against any damage.

1.04 SUBMITTALS

A. Contractor shall submit valid ICC reports for all products proposed for use.

MT. DIABLO UNIFIED SCHOOL DISTRICT ROUGH CARPENTRYSECTION 06 10 00-1

PART 2 PRODUCTS

2.01 MATERIALS

A. Fasteners:

1. General requirements for fasteners:

a. Fastenings shall be of adequate size and types for the purposes for whichthey are used.

b. Include washers, pre-drilling, etc. required for installation.c. For exterior work, fastenings shall be hot dip galvanized, non-ferrous, or

made rust-resistant by approved methods.

2. Nails and nailing not otherwise shown or specified:

a. Comply with requirements of CBC.b. For securing materials to hardened concrete or masonry, hardened steel

masonry nails or Tapcon screws.c. For Framing, Plywood and General Structural Wood Work.

1) All nails shall be of bright common wire with full round heads,and shall be of sufficient length to exceed required penetrationinto the supporting member by 1/8”.

2) Framing nails shall be hand-driven and shall meet thedimensional requirements for common wire nails 2304.9.1 of theCBC.

3) Plywood Nails: Hand-driven nails shall conform to requirementsabove.

4) Pneumatically (machine) driven nails shall not be used without avalid ICC Report. Contractor shall provide for submittal to DSA-and the Architect a current ICC Report, nail sample with naildimensions, head and shank diameter and nail length, andspecifications for the nailing device. Nailing device must beadjustable regards the depth of driving the nail. Use of pneumaticnailing is subject to a satisfactory sample jobsite demonstration foreach project. The approval is subject to continued satisfactoryperformance. If nail heads penetrate the outer ply more thanwould be normal for a hand hammer, or if minimum allowableedge distances are not maintained, the performance will bedeemed unsatisfactory. Nails and nailing shall also conform to 1above.

3. Bolts:

a. ASTM A-307, standard semi-finished machine bolts as shown, withmalleable iron washers or steel plate washers unless otherwise shown, shallbe provided under all bolt heads and nuts.

b. Anchor bolts ASTM A307 or ASTM A36. No upset threads allowed.4. Powder-actuated fastenings: Use only as approved by the Architect and DSA-ORS.5. Framing hardware: Fabricated sheet metal timber framing connectors shall be

manufactured from hot-dipped galvanized steel by "Simpson Company", SanLeandro; "Universal Anchors Company" (Simpson Co. per catalogue No. C2007 areidentified on the drawings). Connectors shall be at least 16 gauge material. Nailsand nailing shall conform to the manufacturer's instructions with a nail provided for


each punched hole. All heavy hardware to be fabricated from A-36 steel perDivision 5, Metals. All hardware intended for exterior use shall be galvanized.

6. Glue between floor framing and plywood sub floor to be APA System per AFG-01.

B. Structural Lumber and Plywood

1. Lumber and plywood graded and grade-marked per standards specified.2. Lumber:

a. Size per industry standards for nominal sizes shown; S4S.b. Moisture content of framing: maximum 19% when installed and

maximum 15% at time of close-in. In areas with dry hot summer months,maximum 12%.at close-in.

c. Sills on concrete or masonry: Pressure treated No. 2 Douglas Fir and ascalled for on the drawings.

d. Structural framing shall be Douglas Fir with grades as noted below unlessotherwise specified on the drawings. All grades per WCLB STD gradingrules #17.1) All permanently exposed framing shall be select structural grade

with no box heart.2) Except per 1 above, minimum grades are:

Floor and roof 2X joist and 2X rafters D.F. No. 1; 2x4, 2x6, and 2x8 studs and plates D.F. No. 1; 4x and larger D.F. No. 1. Blocking DF No. 1; 6x8 and larger posts and beams shall be per 3.

3) 6x posts, DF select structural with no box heart.4) Miscellaneous framing – D.F. No. 15) Applicable WCLB paragraphs for framing:

2 x 4 to 4 x 4 par. 124 2 x 6 to 4 x 16, structural joists and planks par. 123 Beams (6 x), beams & stringers par.130 Posts (6 x) par. 131

e. Splits and checks are to be limited to 1x the depth of the member.f. Warped/twisted and excessively checked members shall not be used

regardless of grade marks.g. LVL are 2.0 Grade. Manufacturer: Boise Cascade or equivalent.

3. Plywooda. All structural plywood shall be grade marked for conformance with CBC

and Uniform Building Code Standard 23-2, "Product Standard PS-1-95",and shall be fabricated with exterior glue. Grades shall be as per thedrawings.

C. Preservative Treatments

1. Field-applied treatment to light framing: For all lumber and plywood contacting orwithin 6-inches of soils and contacting concrete or masonry, except pressure-treatedmaterials. Pressure-treated materials shall be used for all items embedded inconcrete, or in contact with soil.a. F.S. TT-W-570a(1), non-creosote typeb. Apply two brush coats, or fill-immersion dip not less than 15 minutes or as

required to thoroughly saturate all surfaces after cutting. Air-dry 2 hoursminimum before installation.

c. Acceptable Products: Cuprinol #10, Darworth Co., Avon, CT; Ternman-8,Jasco.

2. Framing lumber and plywood that is directly exposed to weather or soil:a. Pressure-treated materials shall be in accordance with CBC 2303A.1.3 as

follows:


1) Pentachlorophenol Type C @ .4% retention not in contact withground, .5% in contact with ground.

2) Ammoniacal Copper Arsenate, .23% above ground, .40% incontact with ground.

b. Preservative types 1) Framing exposed to view – Pentachlorophenol2) Sill plates, ledgers, hidden framing – Ammoniacal Copper

Arcenate and items embedded in soil or concrete.c. All treated lumber shall bear a AWPB treatment stamp on each piece.d. Field treatment of end cuts and holes in pressure-treated materials F.S. TT-

W-472B, and per 1 above.

D. Building Paper

1. Waterproof, non-staining, long fibered Kraft type paper. F.S. UU-B-790, type I orII.

E. Fire Resistant Treatment

1. Where fire resistant plywood and wood framing is indicated, the wood shall betreated as follows:

Fire retardant (FR-S Type): Chemically treated and pressure impregnated; capableof providing a maximum flame spread/smoke development rating of 25/50 inaccordance with ASTM E84 (30 min.). Treatment manufacturer must recommendproduct and application process as being suitable for painting. Fire retardant to beapplied by a California State Fire Marshal approved licensed Contractor.

PART 3 EXECUTION

3.01 REQUIREMENTS FOR STRUCTURAL FRAMING

A. General

1. Refer to drawings for layouts, notes and details. Provide framing as required.Comply with governing building code requirements.

2. Provide framing to achieve alignments true to surfaces receiving the finishmaterials.

3. It shall be the responsibility of the Contractor to provide and install all woodblocking, furring strips or grounds detailed or required to provide anchorage for allfinishes, accessories, fixtures, etc. as required to complete work. All blockingand/or backing shall be securely bolted or otherwise anchored in place.

4. Provide and install all structural framing, blocking, fasteners, brackets, clips, etc. asrequired to complete work specified in the Construction Documents.

B. Stud Wall Framing

1. Sill plates on concrete shall be anchored with bolts, have full bearing on concrete,and be exposed for plywood nailing as indicated. All bolt nuts shall be providedwith a cut plate steel washer for bearing on wood.

2. Provide minimum of two sill bolts per sill piece with a bolt within 9" of each sillend. Bolts to be 5/8" diameter x 12" long with 2" hook at 4' on center, unlessotherwise shown or noted. Holes and notches in sill plates exceeding 1/3 of the sillwidth shall be treated as end of sill.

3. Cut studs and posts with square ends, unless otherwise shown or noted. All postsand beams shall be "cut to bear" unless otherwise detailed.


4. All studs in walls shall be placed with the shortest dimension parallel to the run ofthe wall. Bearing studs shall extend full height to be the supporting framing asshown; non-bearing studs shall extend to the supporting framing.

5. Double studs on each side of all openings, unless shown or noted otherwise.6. All openings in stud walls and partitions shall be framed with headers across the

top, as shown, with a minimum size (6" deep x stud width) resting on short cripplestuds, and as shown on the drawings.

7. Top plates shall be double, set single. Corners where stud wall or partitions meetshall be framed solid. Double top plates shall be lapped at corners. Lap splices andnailing per the drawings.

8. For studs over 8 feet in height, all stud partitions and walls shall have horizontalsolid blocking not less than 2x and of the same width as the stud, fitted and nailedinto the studs at mid-height of stud, except as otherwise shown or specified. Thisblocking shall be so spaced that there shall be no concealed air spaces greater thaneight feet in any dimension.

9. Stud partitions containing plumbing, heating or other pipes shall be so framed as togive proper clearance for piping. Plumbing, heating and vent pipes exceeding 1-1/2" in inside diameter shall not be placed in partitions used as bearing or shearwalls unless completely furred clear of the wall. No notching of studs and platesshall be allowed. When the studs must have holes drilled or cut in them such thatthe remaining section of stud on each side of the hole is less than 1/3 of the largeststud dimension, plumbing, heating and vent pipes with less than 1-1/2" insidediameter shall not be placed in stud walls or partitions used for bearing or shear.Exterior stud walls shall not have horizontally cut holes in excess of 20% of thelargest dimension per above, without addition of multiple studs or otherstrengthening measures previously approved for use by the engineer. No notchingof studs is allowed. Pipes to be placed through sill plates and double plates shall beplaced in the center through a neatly drilled hole — maximum size and reinforcingas noted on the drawings.

C. Roof and Ceiling Framing

1. Joists and beams shall be accurately aligned and the position and spacing of alljoists and beams shall be as shown, and be coordinated with other framing and toother trades prior to construction.

2. Place all joists and beams with crown up. Cantilevered joist and beams shall beplaced with the crown down.

3. Cutting of wood girders, beams or joists shall receive the prior review of theArchitect.

3.02 PLYWOOD STRUCTURAL SHEATHING

A. General

1. Nailinga. Hand Nailing: Conform to nail requirements. Fully drive each nail but do

not break veneer skin of plywood. Nails may be driven at a slant not toexceed one horizontal to the plywood to six vertical to the plywood. Nailsmissing or partially missing the supporting framing members ("shiners")shall be replaced.

b. Pneumatic (Machine) Nailing: Conform to hand nailing requirementsabove. Do not commence with machine nailing until written approval ofnailing device and nails is obtained from DSA-ORS and the Architect. Atest panel shall be nailed, inspected and approved by the Project Inspectorbefore proceeding with further work. Use of pneumatic nailing is subject


to continuous satisfactory job site performance. Pneumatic nailing may beused only where the back side can be inspected for shiners. All correctivepneumatic nailing shall be done by hand nailing.

2. Minimum edge distance from the edge of the plywood to the center of the nail shallbe 3/8". The minimum edge distance from the edge of the support framing to thecenter of the nail shall be 3/8" for 2x support framing and 3/4" for 3x and largersupport framing.

3. Remove and replace any joist, blocking or other support at edge of plywood that isdamaged by nailing or otherwise unfit to accept proper nailing.

4. Block all unsupported edges of plywood sheets. Blocking shall be 2x betweenframing members unless noted otherwise.

5. Form plywood may be re-used for concealed sheathing framing provided the lumberat the time of re-use is acceptable to the Architect, meets with the framing graderequirements specified herein, is in good condition, and is thoroughly cleaned withall nails removed.

B. Roof Sheathing: Lay plywood with face grain perpendicular to roof rafters and roof trusses.Stagger plywood sheets. Block all unsupported sheet edges.

C. Wall Sheathing: Lay with face grain either parallel or perpendicular to studs. Exposedbottom edges shall be sealed as recommended by manufacturer. Block all unsupported sheetedges. Plywood sheets need to have horizontal joints staggered in the vertical direction.

3.03 ROUGH HARDWARE

A. General: Nails, spikes, screws, fabricated sheet metal anchors, ties, hangers and any othermaterials shown or required for the attachment of wood to concrete, wood to steel, and woodto wood shall be furnished and installed as part of this work.

B. Framing nailing: All framing nailing shall conform to minimum requirements of the CBC,and with details shown on the drawings.

C. Bolts, lag screws and washers 1. Bolts in wood shall be machine bolts conforming to ASTM A-307, unless otherwise

noted, and shall be of such length that not more than 1/2" of thread will bearagainst wood. Bolt holes in wood shall be 1/32" oversized. Bolt holes for sill platesmay be 1/16" maximum oversize. Holes in steel shall be 1/16" oversize.

2. Provide square plate or malleable iron washer and nut at head where bearing isagainst wood; cut washer under nut where it is against steel. Washer will not berequired under head of carriage bolts. Provide malleable iron washers whereexposed or noted.

3. All nuts shall be tightened when placed and retightened at completion of the job orimmediately before closing.

4. Lag screws shall be screwed, not driven, into place. Drill holes same diameter anddepth as shank, then drill holes same diameter as at base of thread (60% to 75%shank diameter) for the threaded portion.

3.04 ANCHOR AND TIES

A. Provide and install all anchors, bolts, ties, etc. required for the temporary or permanentcarpentry work. Anchors and bolts shall be accurately located where embedded in concreteand shall be secured in position before placing concrete.


3.05 MISCELLANEOUS

A. Install miscellaneous metal angles, bolts and other items required. Secure into formworkwhere embedded in concrete.

B. After completion of painting and other finishing work, install accessory items not otherwiseset under other sections in locations shown or directed by the Architect. Set items plumb,level and well secured using proper fastening as applicable.

END OF SECTION


SECTION 06 40 00

Architectural Woodwork

The General Conditions, Supplementary Conditions and Division 1 General Requirements are hereby made a part ofthe Section as fully as if repeated herein.

PART 1 – GENERAL

1.1 DESCRIPTION

A. Work included:

1. Provide cabinets where shown on the Drawings, as specified herein, and as needed for a complete and proper installation.

B. All cabinets shall have plastic laminate faces.

1. All doors and drawers shall be covered with plastic laminate.

C. Related work:

1. Laminated Plastic Work 06 41 16.2. Painting 09 90 00.3. Mechanical and Electrical Sections.

D. Definitions:

1. “Exposed work” includes all surfaces visible when doors and drawers are closed.

a. Bottoms of cases more than 4’-0” above the floor will be considered as exposed.b. Visible members in open cases, or behind doors of clear glass, will be

considered as exposed.

2. “Semi-exposed work” includes those members behind opaque doors, such as shelves, divisions, interior faces of ends, case backs, drawer sides, drawer backs and bottoms, and the back face of doors.

a. Tops of cases 6’-6” or more above the floor will be considered as semi-exposed.

3. “Concealed work” includes sleepers, web frames, dust panels, and other surfaces not usually visible after installation.

1.02 REFERENCES AND STANDARDS: The following references and standards are hereby made a part of this Section and all cabinetry shall conform to applicable requirements therein except as otherwise specified herein or shown on the Drawings.

A. Manual of Millwork, Woodwork Institute of California (WIC).

1.03 SUBMITTALS: Comply with pertinent provisions of Shop Drawings, Product Data and Samples Section 01 33 00.

A. Product data: Within 45 calendar days after the Contractor has received the Owner’s Notice to Proceed, submit:

MT. DIABLO UNIFIED SCHOOL DISTRICT ARCHITECTURAL WOODWORKSECTION 06 40 00-1

1. Materials list of items proposed to be provided under this Section;

2. Shop Drawings in sufficient detail to show fabrication, installation, anchorage, and interface of the work of this Section with the work of adjacent trades:

a. Identify cabinets, fixtures, moldings, and other items in accordance with the system used on the Drawings;

b. Show overall dimensions, and call specific attention to all dimensions and conditions which vary from those shown on the Drawings;

c. Indicate compliance with the selected Institute standards.

B. Samples:

1. Accompanying the Shop Drawings, submit Samples of all items of finish hardware, metalwork, trim, plastic overlays, and similar items proposed to be provided under this Section.

2. After general colors and types of finish have been selected by the Architect, prepare and submit Samples of the selected finishes on species of the actual cabinet and fixture material.

a. Prepare Samples by successive masking in such a manner that the completed will display examples of each step in the total finish system.

b. Make each step example not less than 2” x 4”.c. Clearly identify the total finish system represented by the Sample, and clearly

identify each step in the total system.

3. Revise and resubmit the Samples as needed to secure the Architect’s approval.

1.04 PRODUCT HANDLING:

A. Comply with pertinent provisions of Delivery, Storage and Handling Section 01610.

B. Provide additional protection as needed to assure that the work of this Section remains undamagedduring fabrication, installation, and the time between completion of installation and actual acceptance of the total work.

C. Do not deliver cabinets and fixture materials or products to the job site until concrete and plaster installation are completed and dry, not until the building interior has attained a relative humidity of50% to 55% at 70 degrees F.

PART 2 – PRODUCTS

2.01 WOOD:

A. General:

1. Fabricate all architectural woodwork to the “custom grade” standards of the Woodwork Institute of California, affixing the required stamp to all pertinent products and to all pertinent submittals.

B. Plywood:

1. Veneer core:


a. Comply with PS-51 for hardwood and decorative plywood.

2. Particleboard core:

a. Comply with CS-236, type 1-B-2.

3. Lumber core:

a. When used, provide at least 5-ply consisting of face veneer, back veneer, two crossband veneers, and a core composed of strips of lumber edgeglued into a solid slab.

4. Provide only plywood fabricated with water-resistant glue.

5. Provide backing sheets to properly balance the face sheets.

6. To be used in sink areas.

C. Composition board:

1. Particleboard: Non-Formaldehyde Type

a. Provide high density particleboard where shown on the drawings, where specifically approved by the Architect, and elsewhere as appropriate throughout the work of this Section.

b. Do not use particleboard in drawer sides or bottoms, in face edgings, in base or framing members, or in shelves or panels of any type less than 2” thick.

c. Approved products:(1) “Timblend”:(2) “Duraflake”;(3) “Novaply”.

2. Not to be used in sink areas.

2.02 HARDWARE:

A. General:

1. Provide finishes as selected by the Architect of products for us in this Work.

2. Where manufacturer’s name or catalog number is not indicated, provide best quality commercially available in the specified item.

B. Hinges:

1. Pivot, Stanley 331 or 332.

C. Door and drawer pulls:

1. Stanley 4484 U-Pull

D. Catches:

1. Stanley 46.


E. Drawer guides:

1. Knape & Vogt, 1300

F. Adjustable shelf: Knape & Vogt

1. Standards 2552. Supports 2563. Brackets

a. 239 Woodb. 229 Glass

G. Locks:

1. Illco Cabinets Locks 1752-04-41 (7/8”) or 1703-04-41 (1 1/8”) or National 8183 Keyed alike in each classroom and to master #EZ002 (At all new cabinets & drawers in exiting buildings and new classrooms.)

H. Continuous hinges – Stanley.

2.03 MICELLANEOUS MATERIALS:

A. Adhesives:

1. For woodwork and millwork, use water resistant and mold resistant adhesive complying with Fed Spec MM-A-125, type II. Type I in sink areas.

2. For plastic laminates, use phenol, resorcinol, or melamine base, complying with Fed SpecMM-A-181, in type, grade, and class best suited for the intended use. Typically Type II, Type I in sink areas.

B. Plastic laminates:

1. Provide patterns and colors selected by the Architect from standard patterns and colors of products approved for use in this work, and complying with NEMA LD3, in the following minimum thickness.

a. Horizontal surfaces: 0.050”b. Vertical surfaces: 0.028”c. Post forming: 0.042”d. Self-edge bands: 0.030”e. Cabinet liners: 0.020”f. Backing sheets: 0.020”

2. Finish: Suede, “Velvet” or equal.

2.04 FABRICATION:

A. General:

1. Fabricate and assemble units complete at the mill insofar as their dimensions will permit for transportation and proper handling.


2. For units with sectional construction:

a. Accurately fit and align the separate parts.b. Provide ample screw, glue-and-bolt blocks, drawbolts, tongues, grooves, splines,

dowels, tenons, mortises, and other means of fastening to render the work of thisSection substantial, rigid, and permanently secured in the proper position.

B. Scribe Members:

1. Provide sufficient additional material to permit scribing to walls, floors, and related work.

2. Provide adequate allowance for shrinkage occurring after installation.

C. Framing and blocking:

1. Assemble with bolted and screwed connections, securing to structural backings with cinch anchors, expansion screws, or toggle bolts as necessary.

2. Mortise-and-tenon all rails and stiles, neatly miter and member throughout, make butt joints flush and smooth, and make up permanent joints with water resistant glue.

3. Assemble fixtures without face nails or face screws except as needed to attach trim.

a. Countersink face nails and face screws, fill with plastic wood or wood plugs, sand smooth, and touch up to be nearly invisible.

b. Countersink the heads of all screws in every surface.

4. Cut and fit the work of this Section as necessary to receive, clear, engage, or support other parts of the Work, and as needed for interface with electrical, plumbing, and other units.

5. Cabinets, fixtures, and doors:

a. General:

1. Use solid stock for frames, jambs, heads, stops and edges.2. Use plywood for body construction of cabinets where members are

more than 11” wide.3. Where plywood is used, trim exposed edges with hardwood and cover

with appropriate plastic laminate.

b. Drawers:

1. Provide slip dovetail construction, well glued.

2. Fronts:

a. For flush slab design, provide solid stock or provide not less than ¾” thick 5-ply veneer core plywood with top edges bound with wood and covered with plastic laminate matching the face.


b. For panel design and carved design, provide solid stock or provide stile-and-rail construction in accordance with pertinent standards.

3. Sides and backs:

a. Provide extension slides at all drawers, and provide 5/8” thick sides and backs of solid Birch, Beech, or Ash, with no defects,plugs, or patches.

4. Bottoms:

a. Provide ¼” thick (3/8” thick for bottoms over four sq.ft.) of Birch, Beech, or Ash plywood dadoed into sides, fronts, and backs.

c. Doors for cabinets:

1. For flush slab design laminated plastic covered doors, provide matching plastic on exposed edges and provide cabinet liner or other appropriate material approved by the Architect on semi-exposed side toachieve equal tension.

2. Provide rubber stoops at ends and backs of doors.3. Fit and adjust as necessary to achieve smooth and noiseless operation.

6. Rout, drill, and otherwise prepare the surfaces as needed, and firmly install all finish hardware and accessories in accordance with the approved design and the manufactures’ recommendations.

D. Miscellaneous surfaces:

1. Concealed surfaces of cabinets and fixtures:

a. Apply a single coat of undercoat.

2. Drawers:

a. Apply two coats of the specified transparent sealer to interior surfaces and to exterior surfaces of sides and backs.

3. Shelving:

a. Exposed wood shelves:

1. Match the finish of cabinet unit in which they are located or to which they are adjacent.

4. Cabinet interiors:

a. Exposed surfaces:

1. Unless otherwise directed, match exterior finish of the cabinet.



3.01 SURFACE CONDITIONS:

A. Examine the areas and conditions under which work of this Section will be performed. Correct conditions detrimental to timely and proper completion of the Work. Do not proceed until satisfactory conditions are corrected.

3.02 PREPARATION FOR INSTALLATION:

A. Coordinate as required with other trades to assure proper and adequate provision in the work of those trades for interface with the work of this Section.

B. Make necessary measurements in the field to assure proper fit of shop fabricated items.

C. Prior to start of installation, verify that the work of other trades is sufficiently complete to properlypermit this installation to proceed.

3.03 INSTALLATION:

A. Install the work of this Section at the locations on the Drawings, and in accordance with the approved Shop Drawings.

1. Install work in this section as specified in the WIC Manual of Millwork, and provide a WIC Certified Compliance Certificate for Installation at the completion of project installation.

2. Scribe units to wall, floor, and other surfaces as appropriate, with not more than 1/32” clear between the cabinet or fixture and the abutting permanent surface.

3. Set each unit square, level, plumb, and aligned within a tolerance of one in 100 vertically and horizontally, and within ¼” of the designated location for freestanding work.

B. Coordinate the time of installation with availability of other trades to make required utility connections.

1. Provide access panels as needed for connection and maintenance of utilities.

2. Test each plumbing and electrical item through at least five operating cycles, and adjust as needed to achieve optimum operation.

C. Upon completion of installation, thoroughly clean each item by use of only such cleaning materials as are recommended by the manufacturer of the item being cleaned.

D. Touch-up scratches and abrasions to be completely invisible to the unaided eye from a distance of five feet.

END OF SECTION


SECTION 06 41 16

LAMINATED PLASTIC WORK

The General Conditions, Supplementary Conditions and Division 1 General Requirements are hereby made a part ofthe Section as fully as if repeated herein.

PART 1 – GENERAL

1.01 DESCRIPTION:

A. Work Included: High pressure laminated plastic counters.

B. Related Work Specified Elsewhere:

1. Structural wood supports, grounds, backing and blocking for laminated plastic counters and which are an integral part of wall, floor and ceiling construction.

2. Plumbing and electrical fixtures and trim: See Mechanical and Electrical Sections.

1.2 REFERENCES AND STANDARDS: The following references and standards are hereby made a part of this Section and all laminated plastic items shall conform to applicable requirements therein except as otherwise specified herein or shown on the Drawings.

A. Manual of Millwork, Woodwork Institute of California (WIC).


A. Shop Drawings: Submit in accord with “Millwork Shop Drawings”, Section 1, Manual of Millwork and the above.

B. Samples: Submit for selection and/or approval of plastic laminates upon request of Architect.

C. Furnish a WIC certified compliance label on the first page of Shop Drawing and on each countertop.

1.4 STORAGE, HANDLING AND DELIVERY: Comply with Section 1, Manual of Millwork, “Recommended Care and Storage of Architectural Woodwork”.

PART 2 – PRODUCTS

2.1 MATERIALS:

A. Core Material: Minimum ¾” particleboard, medium density, conforming to C.S. 236 (Type 1-B-2).

B. Laminated Plastic Veneers:

1. Material: High pressure, thermo-setting, laminated plastic surfacing material, conformingto NEMA Publication LD-3 Latest Conditions. Wilson-Art, or approved equal by Architect on bases of LEED guidelines.

2. Thickness and Type: .050” general purpose grade or .043” post forming grade is required,except .030” may be used for self-edge bands.

3. Colors: As selected by Architect from manufacturer’s standard color. Assume selection from plain colors excluding pure white.

MT. DIABLO UNIFIED SCHOOL DISTRICT LAMINATED PLASTIC WORKSECTION 06 41 16-1

4. Finish: “Suede”, “Velvet”, or equivalent.5. Backing Sheets: .020”.6. Adhesive: Type II adhesive except use Type 1 where sinks occur.

2.2 FABRICATION GRADE:

A. Construct to WIC Specifications for custom grade.

B. Drawings indicate general appearance standards only and are not intended to lessen or reduce compliance with specified grades. Where Drawings apparently require such a departure from standard specifications, secure directions or confirmations before proceeding.

2.3 FABRICATION:

A. Make intersection of top and splash integrally coved with a continuous sheet of plastic.

B. Edges shall be self-edged, square.

C. Top of splash shall be square with self-edge.

D. All splashes shall be returned at wall or closed end with square butt joint.

E. Provide backing sheets securely glued to opposite face of all laminated tops and splashes.

F. Make all cutouts required for sinks, equipment and accessories mounted in tops or splashes.

G. Shop fabricate all items. Make all counters and splashes a single length for each run; no transverse joints permitted.


3.01 CONDITION OF SURFACES: Inspect all surfaces to receive laminated plastic items and report all defects.Proceeding with installation implies acceptance of surfaces as satisfactory.

3.02 PREPARATION: Coordinate all work under this Section with all other trades whose work adjoins, combines or aligns with same. Take such field measurements as may be required. Report any major discrepancy between Drawings and field dimensions to the Architect and secure directions before proceeding.

3.03 INSTALLATION: Set in place, scribe square and level and secure with concealed fastenings.

END OF SECTION

MT. DIABLO UNIFIED SCHOOL DISTRICT LAMINATED PLASTIC WORKSECTION 06 41 16-2

SE C T I O N 07 21 01

BUI L DING IN S U L A T I O N

PART 1 - GENERAL

1.01 SUMMARY

A. Section Includes: Acoustical building insulation.

B. Drawings and general provisions of the Contract, including General and SupplementaryConditions and Division 1 Specification Sections, apply to this Section.

C. Related Sections1. Section 06 10 00 - Rough Carpentry: Provision of framing and blocking.2. Section 09 29 00 - Gypsum Board: Provision of gypsum board.

1.02 REFERENCES

A. ASTM - American Society for Testing and Materials1. C665 - Standard Specification for Mineral-Fiber Blanket Thermal Insulation for

Light Frame Construction and Manufactured Housing.2. E84 - Standard Test Method for Surface Burning Characteristics of Building

Materials.3. E136 - Standard Test Method for Behavior of Materials in a Vertical Tube

Furnace at 750 Degrees C.

B. CBC - California Building Code, 2007 Edition

1.03 SUBMITTALS

A. Certifications: Submit certification that insulation was furnished and installed in accordance with CBC requirements.

1.04 DELIVERY, STORAGE, AND HANDLING

A. Storage and Protection: Protect insulation materials from physical damage and from deterioration by moisture, soiling, and other sources. Store inside and in a dry location. Comply with manufacturer’s recommendations for handling, storage, and protection during installation.

PART 2 - PRODUCTS

2.01 MATERIALS

A. Acoustical Insulation1. Unfaced, 3-1/2 inches or 6 inches thick, friction-fit, flexible batt or blanket of fiberglass, 15

inch width to fit stud space, having thermal resistance of R-11 and conforming to ASTM C665, Type I, non-combustible when tested in accordance with ASTM E136 and having the following fire resistive requirements when tested in accordance with ASTM E84:a. Flame Spread: 10 or less.b. Smoke Developed: 10 or less.

MT. DIABLO UNIFIED SCHOOL DISTRICT BUILDING INSULATIONSECTION 07 21 01-1

2. Manufacturer: Owens-Corning Fiberglas Corp., “Acoustical Batt Insulation”; Johns Manville Corp., or approved equal.

B. ROOF INSULATION

1. Extruded-Polystyrene Roof Insulation Board: Manufactured by Owens Corning with the following characteristics:a) ASTM C 578, Type IV.b) Density: 1.60 (pcf). c)

Edges: Squared) Size: 48 inches x 96 inches. e)

Board Thickness: 1 inch.

B. Insulation Support: Galvanized spring wire and staples as required.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Examine substrates and conditions with installer present, for compliance with requirements of the Sections in which substrates and related work are specified and to determine if other conditions affecting performance of insulation are satisfactory. Do not proceed with installation of insulation until unsatisfactory conditions have been corrected.

3.02 INSTALLATION, GENERAL

A. Comply with insulation manufacturer’s instructions applicable to products and application indicated. If printed instructions are not available or do not apply to project conditions, consult manufacturer’s technical representative for specific recommendations before proceeding with installation of insulation.

B. Extend insulation full thickness as indicated to envelop entire area to be insulated. Cut and fit tightlyaround obstructions, and fill voids with insulation. Remove projections that interfere with placement.

C. Apply a single layer of insulation of required thickness, unless otherwise shown or required tomake up total thickness.

3.03 INSTALLATION OF GENERAL BUILDING INSULATION

A. Apply insulation units to substrate by method indicated, complying with manufacturer’s recommendations. If no specific method is indicated, use mechanical anchorage to provide permanent placement and support of units.

B. Maintain required separations from electric fixtures and appliances.

3.04 PROTECTION

A. General: Protect installed insulation from damage due to harmful weather exposures, physical abuse,and other causes. Provide temporary coverings or enclosures where insulation will be subject to abuse and cannot be concealed and protected by permanent construction immediately after installation.

END OF SECTION

MT. DIABLO UNIFIED SCHOOL DISTRICT BUILDING INSULATIONSECTION 07 21 01-2

SECTION 07 41 13

PREFORMED METAL ROOFING

GENERAL


A. Structural standing seam roof system.

1.2 RELATED SECTIONSA. Section 07 21 00 - Building InsulationB. Section 07 60 00 – Flashing and Sheet Metal

1.3 REFERENCESA. 1996 Low Rise Building Systems Manual, Metal Building Manufacturers Association, Inc.,

Cleveland, OH, 1996.B. AISI CF00-01, "A Design Guide for Standing Seam Roof Panels", American Iron and Steel

Institute, 2000.C. AISI CF97-01, "A Guide for Designing with Standing Seam Roof Panels", American Iron and

Steel Institute, 1997.D. Aluminum Design Manual - 2000 Edition, Aluminum Association, Washington, D.C., 2000.E. ASTM A 653, "Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-

Coated (Galvannealed) by the Hot-Dip Process," American Society for Testing and Materials, 2007.

F. ASTM A 792a, "Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-DipProcess," American Society for Testing and Materials, 2006.

G. ASTM E 1514, "Specification for Structural Standing Seam Steel Roof Panel Systems," American Society for Testing and Materials, 1993.

H. ASTM E 1592, "Test Method for Structural Performance of Sheet Metal Roof and Wall Systems by Uniform Static Air Pressure Difference," American Society for Testing and Materials, 1995.

I. ASTM E 1646, "Test Method for Water Penetration of Exterior Metal Roof Panel Systems by Uniform Static Air Pressure Difference," American Society for Testing and Materials, 1995.

J. ASTM E 1680, "Test Method for Rate of Air Leakage through Exterior Metal Roof Panel Systems." American Society for Testing and Materials, 1995.

K. Cold-Formed Steel Design Manual, American Iron and Steel Institute, Washington, D.C., 2002.L. Specification for Structural Steel Buildings - Allowable Stress Design and Plastic Design,

American Institute of Steel Construction, Chicago, IL, 1989.M. UL 580, "Tests for Uplift Resistance of Roof Assemblies", Underwriter's Laboratories, 1nc.,

2006.

1.4 ROOF SYSTEM REQUIREMENTS

A. Design Requirements:1. The metal roof system shall be designed by the manufacturer as a complete system.

Members and connections not indicated on the drawings shall be the responsibility of the Contractor. All components of the system shall be supplied by the same manufacturer.

2. Roof Panels: Steel panels shall be designed in accordance with the AISI Cold-Formed Steel Design Manual. Aluminum panels shall be designed in accordance with the Aluminum Design Manual.

3. Deflection requirements shall be in accordance with the applicable building code, or as a minimum, L/180 for roof snow load (but not less than 20 psf (98 kg/sq m)).

4. Accessories and Fasteners: Accessories and fasteners shall be capable of resisting the specified design wind uplift forces and shall allow for thermal movement of the roof panelsystem. Exposed fasteners shall not restrict free movement of the roof panel system resulting from thermal forces, except at designed points of roof panel fixity.

5. Design Loads: Design load application shall be in accordance with local building code.

MT. DIABLO UNIFIED SCHOOL DISTRICT PREFORMED METAL ROOFINGSECTION 07 41 13-1

Dead Loads: The dead load shall be the weight of the metal roof system.6. Live Loads: The panels and concealed anchor clips shall be capable of supporting a

minimum uniform live load of 20 psf (98 kg/sq m).7. Wind Loads: The design wind loads shall be based on the wind criteria defined in the

Contact Documents.8. Thermal Effects: Roof panels shall be free to move in response to the expansion and

contraction forces resulting from temperature variation, as specified in the MBMA Metal Roofing Systems Design Manual.

9. Rainfall Intensity: Exterior gutters and downspouts shall be designed for rainfall intensity based upon a 5-year recurrence interval for a five minute duration. Interior gutters, valleysand downspouts shall be designed for rainfall intensity based upon a 25-year recurrence interval based on a five minute duration.

B. Performance Requirements, Magna-Loc Roof Panels:1. Uplift Resistance: Metal roof systems shall be tested in accordance with Underwriters

Laboratories, Inc. (UL) Test Method 580 “Tests for Uplift Resistance of Roof Assemblies”, Class 90 rating.

2. Negative Loading: Metal roof panel systems shall be tested in accordance with ASTM E 1592-95 for negative loading. Capacity for gauge, span or loading other than those tested may be determined by interpolating between test values only.

3. Air Infiltration: Metal roof panel systems shall have a maximum air infiltration rate of 0.016 cfm/ft2 at a pressure differential of 12 psf (59 kg/sq m) when tested in accordance with ASTM E 1680-95.

4. Water Leakage: Metal roof panel systems shall have no uncontrollable water leakage at a pressure differential of 6.24 psf (30.5 kg/sq m) when tested in accordance with ASTM E 1646-95.

5. Temporary Concentrated Loads: The panels and concealed anchor clips shall be capable of supporting a 250-pound (113.5 kg) temporary concentrated load at the panel mid-span in the installed condition. The load shall be applied over the entire panel width. The panelsshall support this concentrated load without displaying permanent distortions that would affect the weathertightness of the metal roof system.

C. Snow Guards: Locate snow guards as shown on the contract drawings. Attach each snow guard to the roof panels in a manner capable of resisting a sliding force parallel to the slope. The roof panel attachment to the structure shall be capable of resisting a force parallel to the slope per lineal foot. Forces shall be calculated by Contractor to comply with building code and authorities having jurisdiction.

D. Framing Members Supporting the Metal Roof System:1. Any additions/revisions to framing members supporting the metal roof system to

accommodate the manufacturer/fabricator's design shall be the Contractor's responsibility, and shall be submitted for review and approval by the Engineer of Record.

2. Framing members and their connections shall be designed in accordance with AISC, AISI and LGSI design specifications applicable. Deflection requirements shall be in accordancewith the applicable building code, or as a minimum, the provisions of the AISC Steel Design Guide Series 3 - Serviceability Design Considerations for Low-Rise Buildings.

1.5 SUBMITTALS.

A. Product Data: Manufacturer's data sheets on each product to be used, including preparation recommendations, storage and handling requirements, and installation methods.

B. Shop Drawings: Submit shop drawings showing methods of installation, elevations and plans of roof and wall panels, sections and details, specified loads, flashings, roof curbs, vents, sealants, interfaces with all materials not supplied by the metal panel system manufacturer, and proposed identification of component parts and their finishes. Do not proceed with fabrication prior to approval of shop drawings. Shop drawings shall be prepared and sealed a professional engineer licensed in the jurisdiction of the project, and include the following:


1. Submit engineering calculations defining cladding loads for zones based on specified building codes, allowable clip loads, and required number of fasteners to secure the panel clips to the designated substructure.a. Compute suction loads on clip fasteners with full recognition of prying forces and

eccentric clip loading.b. Calculate holding strength of fasteners in accordance with submitted test data

provided by fastener manufacturer based on length of embedment and properties ofmaterials.

2. Submit thermal calculations and details of floating clip, flashing attachments, and accessories, indicating the free movement in response to the expansion/contraction effects.

3. Roofing Snow Guard Drag Loading: The roof system manufacturer shall provide an attachment schedule signed by a licensed professional engineer and supporting calculations to resist drag loads induced by the calculated snow load.

C. Test Reports: Submit manufacturer's test reports for each system specified.

D. Installer Certification: Submit a letter from the manufacturer certifying the installer of the metal panel system as an authorized installer, approved by the manufacturer within the last year prior tothe start of the installation of the metal panel system.

E. Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.1. Submit samples and color chips for all proposed finishes.2. Submit one 12-inch (305 mm) long sample of panel, including clips.3. Submit two 3 inch by 5 inch (76 mm by 127 mm) color chip samples of available colors

for selection

F. Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and patterns.1. Submit samples and color chips for all proposed finishes.2. Submit one 12 inch (305 mm) long sample of panel, including clips.3. Submit two 3 inches by 5 inches (76 mm by 127 mm) color chip samples in color selected.

G. Roof Inspection for Weather tightness Warranty: Submit with documentation as specified in this Section.


A. Manufacturer Qualifications: Manufacturer shall have a minimum of ten years experience in manufacturing metal roof systems. Panels specified in this section shall be produced in a permanent factory environment with fixed-base roll-forming equipment.

B. Installer Qualifications: Installer shall have completed five projects of similar scope and magnitude that have been in service for a minimum of two years with satisfactory performance ofthe roof system. Installer's foreman shall be trained in the proper installation of the specified system, and present at all times when material is being installed.

C. Regulatory Requirements: Comply with specified performance and local building code requirements. In the event of conflict, comply with the higher performing or more restrictive requirement.

D. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.1. Finish areas designated by Architect.2. Do not proceed with remaining work until workmanship, color, and sheen are approved by

Architect.3. Refinish mock-up area as required to produce acceptable work. Mock-up may become part

of the finished installation.



A. Deliver materials to job site properly packaged to provide protection against transportation damage.

B. Exercise extreme care in unloading, storing and installing metal panel system to prevent bending, warping, twisting and surface damage.

C. Store all material and accessories above ground on well supported platforms. Store under waterproof covering. Provide proper ventilation of metal panel system to prevent condensation build-up between each panel or trim/flashing component.

D. Store products in manufacturer's unopened packaging until ready for installation.


A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmentalconditions outside manufacturer's absolute limits.

1.9 WARRANTY

A. Finish Warranty: Manufacturer warrants that under normal outdoor atmospheric conditions the roof and wall panels will meet the following requirements:1. Fluorocarbon (PVDF):

a. The paint film will not crack, flake, chip or peel for a period of 45 years.b. The paint will not chalk in excess of number 8 rating for a period of 35 years.c. The paint will not fade in excess of 5 NBS Units for a period of 35 years.

B. Galvalume Warranty: Galvalume will not rupture, fail structurally or perforate within a period of 25 years and 6 months from shipment from the manufacturing branch.

C. Roofing Weathertightness Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace metal roof panel assemblies that fail to remain weather tight, including leaks, within specified warranty period1. 20 years from date of substantial completion.2. Full system warranty.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: Metal Sales Mfg. Corp., which is located at: 545 S. 3rd St. Suite 200 ; Louisville, KY 40202; Toll Free Tel: 800-406-7387; Tel: 502-855-4341; Email: request info ([email protected]); Web: www.metalsales.us.com

1. Metal Sales - Woodland, CA, 1326 Paddock Place, Woodland, CA 95776 Toll Free Tel: 800-759-6019, Tel: 530-668-5690, Fax: 530-668-0901

B. Requests for substitutions will be considered in accordance with provisions of General Conditions.

2.2 STRUCTURAL STANDING SEAM ROOF SYSTEM

A. Design and engineering is based on the Magna-Loc roof panel system as manufactured by Metal Sales Manufacturing Corporation.1. Profile: 16 inch (457 mm) width with a 2 inch (51 mm) rib height.


http://admin.arcat.com/users.pl?action=UserEmail&company=Metal%20Sales%20Mfg.%20Corp.&coid=34158&rep=&fax=&message=RE:%20Spec%20Question%20(07410msm):%20%20&mf=

http://admin.arcat.com/users.pl?action=UserEmail&company=Metal%20Sales%20Mfg.%20Corp.&coid=34158&rep=&fax=&message=RE:%20Spec%20Question%20(07410msm):%20%20&mf=

http://www.metalsales.us.com/

2. Seam Type: Mechanically seamed, 90 degree.3. Texture: Striated.4. Clip Type: Low, floating, 2-3/8 inches (60 mm) tall.5. Minimum Thickness: Panel to meet all specified design loads, but not less than 24 gauge

(0.024 inches, 0.607 mm).6. Fastening System: Concealed, floating or fixed clip.7. Panel Base Material: Steel grade 50, per ASTM A 792.8. Finish: Prepainted Galvalume / ASTM A 792 - AZ50, Fluorocarbon (PVDF). Primer is

0.2 mil, top coat is 0.8 mil, total dry film thickness is 1.0 mil.9. Color: Custom.

2.3 MATERIALS

A. Base Metal:1. Prefinished Galvalume sheet, AZ50 coating made up of 55 percent aluminum, 1.6 percent

silicon and the balance zinc as described in ASTM A792.

B. Finish:1. FLUOROCARBON (PVDF) - Manner of application to be a two coat roll coated system

including a premium PVDF top coat over a properly cleaned and pre-treated substrate. Meets both Kynar 500 and Hylar 5000 Specifications.a. SURFACE APPEARANCE - The surface is to be streak free and smooth with no

blistering or other imperfections.b. FILM THICKNESS - Topcoat finish consist of a primer with a dry film thickness

of 0.20- 0.30 mil. Primary topcoat shall have a dry film thickness of 0.70- 0.80 mil.The reverse side of the panel shall have a primer coat with a dry film thickness of 0.20- 0.30 mil and a pigmented backer coat with a dry film thickness of 0.30- 0.40 mil. Total dry topside film thickness for the system shall be 0.90-1.10 mils. All measurements per accordance with ASTM D 1005.

c. CHALK RESISTANCE - No chalking greater than #8 rating per ASTM D 4214, Method ASTM D 659 test procedure after a 2000 hour weatherometer test.

d. COLOR CHANGE - Finish color coat change not to exceed 5 Hunter units per ASTM D 2244 test procedure, after 2000 hour weatherometer test.

e. ABRASION RESISTANCE - Per ASTM D 968, Method A, PVDF will pass 65 +/-5 liters/mil, minimum of falling sand.

f. SPECULAR GLOSS - Specular gloss is to be determined per ASTM D 523 at a glossmeter angle of 60 degrees. PVDF has a standard gloss range of approximately20- 35 degrees.

g. HARDNESS - Minimum pencil hardness is HB to 2H, using Eagle Turquoise pencils per ASTM D 3363.

h. CURE TEST - PVDF will withstand 100 double rubs of an MEK soaked cloth before exposing primer coat per ASTM D 5402.

i. CROSS-HATCH ADHESION - No paint removal with cellophane tape after cross-scoring with eleven horizontal and eleven vertical lines 1/8 inch apart per ASTM D3359.

j. DIRECT AND REVERSE - No visible paint removal with cellophane tape after direct and reverse impact of 80-inch pounds, using 5/8 inch steel ball on a Gardner Impact Tester (Not to include Zinc coating failures), per ASTM D 2794.

k. BEND ADHESION - Per ASTM D 4145, no loss of adhesion when taped with cellophane tape when subjected to a 0T-2T diameter 180 degrees bend test on 0.017 inch G-90 (grade D) galvanized steel or fabricator's roll forming operation. (Not to include Zinc failures).

l. HUMIDITY RESISTANCE - No blistering, cracking, peeling, loss of gloss of softening of the finish after 2000 hours of exposure to 100 percent humidity at 100 degrees F +/- 5 degrees F, per Federal Test Method Standard 141, Method 6201 or ASTM D 2247.

m. SALT SPRAY RESISTANCE - Samples diagonally scored and subjected to 5


percent neutral salt spray per ASTM B 117, then taped with cellophane tape: 1000 hours-no blistering, and no loss of adhesion greater than 1/8 inch from score line. Samples taped 1 hour after removal from test cabinet.

n. WEATHEROMETER TEST - No checking, blistering or adhesion loss of coating system after 2000 hours of accelerated weathering, per ASTM 822/G23.

o. FLAME SPREAD RATE - PVDF displays a flame spread classification of A (Class1), when tested in accordance with ASTM E 84.

p. CHEMICAL RESISTANCE - No significant color change after 24 hours exposure to 10 percent solutions of hydrochloric and sulfuric acids, per ASTM D 1308.

C. Fasteners:1. Fasteners for steel roof panels shall be zinc-coated steel, aluminum, corrosion resisting

steel, or nylon-capped steel, type and size specified below, or as otherwise, approved for the applicable requirements. Fasteners for aluminum roof panels shall be aluminum or corrosion resisting steel. Fasteners for structural connections shall provide both tensile andshear ultimate strengths of not less than 750 pounds (340 kg) per fastener. Fasteners for accessories shall be the manufacturer's standard. Exposed roof fasteners shall be sealed or have sealed washers on the exterior side of the covering to waterproof the fastener penetration. Washer material shall be compatible with the screw head; have a minimum diameter of 3/8-inch (9.5 mm) for structural connections; and gasket portion of fasteners or washers shall be neoprene or other equally durable elastomeric material.

2. Exposed fastener color shall match panel, trim or accessories.3. Screws: as determined by manufacturer to suit specified performance requirements.4. Blind Rivets: Solid-threaded, sealed stem type with EPDM washer under head.5. Exposed rivets shall match color finish of panel.

D. Components:1. Components shall be compatible with the metal panel furnished. Flashing, trim, metal

closure strips, caps, gutters, downspouts, roof curbs, and similar metal components shall not be less than the minimum thickness specified by the metal panel system manufacturer. Exposed metal components shall be finished to match the panels or trim, as furnished. Molded closure strips shall be closed-cell or solid-cell synthetic rubber or neoprene, or polyvinyl chloride pre-molded to match configuration of the covering and shall not absorbor retain water. Thermal spacer blocks and other thermal barriers at concealed clip fasteners shall be as recommended by the Manufacturer.

E. Sealants:1. All tape sealant is to be a pressure sensitive, 100 percent solid, sealing tape with a release

paper backing. Provide permanently elastic, non-sagging, non-toxic, non-staining tape sealant approved by the metal panel system manufacturer.

2. The metal panel system manufacturer shall approve all joint sealant that will come into contact with the metal panel system.

F. Prefabricated Pipe Flashing and Curbs:1. Provide the Manufacturer with the dimensions, weights and model number of the units to

be supported by the curb(s).2. Fabricate curbs of structural quality aluminum, Galvalume, or hot-dipped galvanized

sheet. Curbs shall have welded joints unless a two-piece curb is required.3. Provide integral base plates and water diverters/crickets. Front base plate shall be

extended up-slope from the beginning of the water diverter. Curbs shall be designed for a compatible installation with the panel system.

4. Curbs shall be constructed to match the roof slope and provide a mounting surface as required by the rooftop unit manufacturer.

5. Submit roof curb manufacturer's shop drawings to metal roof system Manufacturer for approval before fabrication of curbs.

6. Any curb structural support system shall allow proper thermal movement of the curb with the roof system.

7. Curbs shall be supplied from the following curb manufacturers:


a. KCC International, 1nc.b. ThyCurb.c. Custom Curb.d. LMCurbs.

8. Pipe flashings provided by metal roof manufacturer shall provide a weather tight joint at projections through the roof, taking into account the thermal movement of the roof and theservice temperature of the projection. Pipe flashings shall have an aluminum-flanged base ring.

G. Accessories:1. Provide manufacturer's standard accessories and other items essential to completeness of

roof installation including anchor clips, trim, ridge and hip caps, closures, flashing, and fascia.

2. Form flashings from same gauge and finish as metal panels.

H. Waterproof sheet membrane composed of non-skid polyethylene and rubberized asphalt.1. MS-HT High Temperature underlayment.

I. Closures:1. Precut profile closure from cross-linked, closed cell polyethylene composition foam.2. Protect and support ridge and hip foam closures by a formed metal closure manufactured

from same material, with same color and finish as metal panels.3. Ridge closures: Factory-fabricated and hip closures field cut.4. Closures, Flashing and Trim: Shall be of same material, gauge, finish and panels.

J. Round Penetrations: Premolded EPDM boot with metal collar.1. Dektite by Buildex or approved substitute.

K. Vapor Retarder: Permeance of 0.05 or less as determined by ASTM E 96.

L. Slip - Sheeting: Red Rosin Paper at areas where roof system contacts weather treated wood blocking.

M. Felt underlayment (solid substrate) 30 lb (13.6 kg), asphalt saturated fiberglass felt, non-perforated.

2.4 FABRICATION FOR SHEET METAL ROOF COMPONENTS

A. All steel to be correctively leveled and handled to minimize stress and waviness of sheet steel.

B. Form and fabricate sheets, seams, strips, clips, valleys, ridges, edge treatments, integral flashings,and other components of the metal roof to the profiles, patterns, and drainage arrangements as determined by Architect, to provide permanent leakproof construction, with no oil canning or panel distortion.1. Fabricate exposed items of prefinished sheet metal, color to match panels.2. Hem exposed edges on underside 3/8 inch (10mm) to 1/2 inch (12 mm) miter and seam

corners.3. Provide for thermal expansion and contraction of the Work.4. Seal joints to achieve leak proof construction per manufacturer's detail.

C. Provide factory eave notch for eave termination (to be utilized with joggle cleat detail).

D. Fabricate vertical faces with bottom edge formed outward 1/4 inch (6 mm) and hemmed to form drip.

E. Unless otherwise shown on drawings or specified herein, panels shall be full length. Fabricate flashings and accessories in longest practical lengths.

F. Metal panels shall be factory formed. Field formed panels are not acceptable.


PART 3 EXECUTION

3.1 EXAMINATION

A. Do not begin installation until substrates have been properly prepared.

B. The Contractor shall verify installed work of other trades that such work is complete to a point where the metal panel system installation may commence.

C. Verify that the substructure installation is in accordance with the approved shop drawings and metal panel system manufacturer's requirements.

D. This specifically includes verifying that secondary structural members and/or decking are installed to meet performance requirements. Coordinate with metal panel system manufacturer to ensure that the substructure is installed to accommodate the appropriate clip spacing.

E. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2 PREPARATION

A. Clean surfaces thoroughly prior to installation.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.1. Plywood substrate per structural drawings.

a. Provide one layer of felt with horizontal overlaps and end laps staggered between layers.

b. Lay parallel to ridgeline with 2 1/2 inch (64 mm) horizontal laps and 6 inch (152 mm) vertical laps.

c. Start application at low point; work up roof laying plies in shingle fashion.

C. Clean surfaces thoroughly prior to installation.

3.3 INSTALLATION

A. Install the metal panel system plumb, true and in correct alignment with support, in accordance with manufacturer's instructions and approved installation drawings.

B. Installer must be a Metal Sales Approved Installer.

C. Install the metal panel system so that it is weather tight and allows for thermal movements.

D. Locate and space all exposed fasteners in accordance with the metal panel system manufacturer's recommendations. Use proper torque settings to obtain controlled uniform compression for a positive seal without rupturing the neoprene washer.

E. Avoid placing pipe penetrations through the panel seams.

F. Do not allow panels or trim to come into contact with dissimilar materials (i.e. Copper, lead, graphite, treated lumber, mortar, etc.). Water run-off from these materials is also prohibited.

G. Comply with metal panel system manufacturer's approved installation drawings, instructions and recommendations for installation of curbs. Refer to metal panel system manufacturer's standard installation details. Anchor curbs securely in place with provisions for thermal and structural movement.

3.4 WEATHERTIGHTNESS INSPECTION

A. The metal roof manufacturer shall provide inspection by their approved technical inspectors to


approve the metal roof system installation drawings and inspect the installation of the metal roof system at the following stages of installation:1. Initial inspection prior to installation of roof panels. The purpose of this inspection is to

review the final approved installation drawings, verify substrate installation, review installation procedures, and agree upon the scheduling of the intermediate inspections.

2. Intermediate inspections will include the review of the installed product in compliance with the final approved installation drawings and manufacturer's installation procedures.

3. Final inspection at the completion of all metal roof system work.

B. The metal roof component manufacturer's inspector shall provide written and photographic reports. The certified installation contractor shall make all necessary corrections, additions or remedial actions to resolve any issues identified in the reports.

C. The metal roof component manufacturer's inspector shall have the authority to have roof work corrected, as required, to insure the proper installation and weather-tightness of the metal roof system, in accordance with the manufacturer's specifications.

3.5 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION


SECTION 07 54 23

TPO MEMBRANE ROOFING

1. GENERAL


A. Thermoplastic Polyolefin Membrane (TPO) Roofing.

B. Membrane Flashings.

C. Metal Flashings.

D. Roof Insulation.

1.2 RELATED SECTIONS

A. Section 06 10 00 - Rough Carpentry.

B. Section 07 62 00 - Sheet Metal Flashing and Trim.

C. Section 08 60 00 - Roof Windows and Skylights.

D. Section 22 30 00 - Plumbing Equipment.

1.3 REFERENCES

A. American Society of Civil Engineers (ASCE) - ASCE 7 - Minimum Design Loads for Buildings and Other Structures, Current Revision.

B. ASTM International (ASTM):1. ASTM C 208 - Standard Specification for Cellulosic Fiber Insulating Board.2. ASTM C 578 - Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation.3. ASTM C 1289 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal

Insulation Board.4. ASTM D 41 - Standard Specification for Asphalt Primer Used in Roofing, Dampproofing, and

Waterproofing.5. ASTM D 226 - Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and

Waterproofing.6. ASTM D 312 - Standard Specification for Asphalt Used in Roofing.7. ASTM D 412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers-

Tension.8. ASTM D 1079 - Standard Terminology Relating to Roofing, Waterproofing, and Bituminous

Materials.9. ASTM D 2178 - Standard Specification for Asphalt Glass Felt Used in Roofing and

Waterproofing.10. ASTM D 4263 - Standard Test Method for Indicating Moisture in Concrete by the Plastic

Sheet Method.11. ASTM D 4491 - Standard Test Methods for Water Permeability of Geotextiles by Permittivity.12. ASTM D 4869 - Standard Specification for Asphalt-Saturated Organic Felt Underlayment

Used in Steep Slope Roofing.13. ASTM D 6878 - Standard Specification for Thermoplastic Polyolefin Based Sheet Roofing.14. ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials.

C. Factory Mutual (FM Global):

MT. DIABLO UNIFIED SCHOOL DISTRICT TPO MEMBRANE ROOFINGDOCUMENT 07 54 23-1

1. Approval Guide.a. Factory Mutual Standard 4470 - Approval Standard for Class 1 Roof Covers.b. Loss Prevention Data Sheets 1-28, 1-29

D. International Code Council (ICC)1. International Building Code (IBC).

E. National Roofing Contractors Association (NRCA) - Low Slope Roofing and Waterproofing Manual, Current Edition.

F. Sheet Metal and Air Conditioning Contractors National Association, Inc. (SMACNA) - Architectural Sheet Metal Manual.

G. Underwriters Laboratories (UL):1. TGFU R1306 - "Roofing Systems and Materials Guide".2. UL-790 - Standard Test Method for Fire Tests of Roof Coverings.

1.4 DESIGN CRITERIA

A. Wind Uplift Performance:1. Roof system is designed to withstand wind uplift forces as calculated using the current revision

of ASCE-7.2. Roof system is designed to achieve a FM 1-___ wind uplift rating.

B. Fire Resistance Performance:1. Roof system will achieve a UL Class A rating when tested in accordance with UL-790.2. Roof system will achieve a UL Class B rating when tested in accordance with UL-790.3. Roof system will achieve a UL Class C rating when tested in accordance with UL-790.

C. Thermal Performance: Roof system will achieve a minimum R value not less than 30.

D. Drainage: Provide a roof system with positive drainage where all standing water dissipates within 48 hours after precipitation ends.

E. Building Codes:1. Roof system will meet the requirements of all federal, state and local code bodies having

jurisdiction.

1.5 LEED CERTIFICATION:

A. Coordinate with Section 01 11 00 – Summary of Work.

B. Submittals Required:1. SSc7.2 Heat Island Effect - Roof (LEED Form).2. MRc4 Recycled Content (LEED Form).3. MRc5 Local and Regional Materials (LEED Form).4. EQc4.1 Low-Emitting Materials - Adhesives and Sealants (LEED Form).

1.6 SUBMITTALS

A. Submit under provisions of Section 01 33 00 - Submittals.

B. Product Data: Manufacturer's data sheets on each product to be used, including:1. Preparation instructions and recommendations.2. Storage and handling requirements and recommendations.3. Installation methods.


C. Detail Drawings:1. Submit approved plan, section, elevation or isometric drawings which detail the appropriate

methods for all flashing conditions found on the project.2. Coordinate approved drawings with locations found on the Contract Drawings.

D. Selection Samples: For each finished product specified, two complete sets of chips representing manufacturer's full range of available colors, membranes, and thicknesses.

E. Verification Samples: For each finish product specified, two samples, minimum size 4 inches (100 mm) square representing actual product, color, and patterns.


A. Manufacturer Qualifications: All primary products specified in this section will be supplied by a single manufacturer with a minimum of fifteen (15) years experience.

B. Installer Qualifications:1. All products listed in this section are to be installed by a single installer with a minimum of

five (5) years demonstrated experience in installing products of the same type and scope as specified.

2. Installer shall be capable of extending the Manufacturer's Labor and Materials guarantee.3. Installer shall be capable of extending the Manufacturer's No Dollar Limit guarantee.

C. Mock-Up: Provide a mock-up for evaluation of surface preparation, installation techniques and workmanship.1. Finish areas designated by Architect.2. Do not proceed with remaining work until workmanship, color, and sheen are approved by

Architect.3. Refinish mock-up area as required to produce acceptable work.


A. Store products in manufacturer's unopened packaging until ready for installation.

B. Store and dispose of hazardous materials, and materials contaminated by hazardous materials, in accordance with requirements of local authorities having jurisdiction.


A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

1.10 WARRANTY

A. At project closeout, provide to Owner or Owners Representative an executed copy of the manufacturer's Total System warranty, outlining its terms, conditions, and exclusions from coverage.1. Duration: Five (5) Years.2. Duration: Ten (10) Years.3. Duration: Fifteen (15) Years.4. Duration: Twenty (20) Years.5. Duration: Twenty-Five (25) Years.6. Duration: Thirty (30) Years.7. Puncture Coverage Rider: Coverage to be extended to include accidental punctures in

accordance with terms stated in the Warranty document.

PART 2 PRODUCTS


2.1 MANUFACTURERS

A. Acceptable Manufacturer: Refer to Section 01 60 00 Materials and Equipment.

B. Requests for substitutions will be considered in accordance with provisions of Section 01 25 10 - Product Options and Substitutions.

2.2 SCOPE / APPLICATION

A. Roof System: Provide a waterproof roof system, capable of withstanding uplift forces as specified in this section.1. Membrane Attachment: Mechanically Attached.2. Membrane Attachment: Fully Adhered.3. Membrane Attachment: Asphalt Adhered.

B. Base Flashing: Provide a waterproof, fully adhered base flashing system at all penetrations, plane transitions and terminations.

C. Insulation: Provide a roof insulation system beneath the finish membrane.

2.3 MEMBRANE BASE SHEET

A. Versico FR Base Sheet 1S: A non-asphaltic, resin-bound, fiberglass-reinforced mat, coated on one sidewith a mineral-filled fire-resistant coating 48 inches (1219mm) wide and 250 feet (76.2 m) long. Designed for use as a suitable substrate for direct application of Mechanically Attached Roofing Systems over decks requiring a fastened base sheet.

2.4 INSULATION

A. Polyisocyanurate: Rigid board with fiber reinforced facers on both sides, meeting or exceeding the requirements of ASTM C 1289. Versico MPH1. Compressive Strength: 20 psi (138 kPa).2. Density: 2 lb per cubic foot (24 kg/cu m) minimum.

B. SecurShield Polyiso: Rigid board with coated glass fiber mat facers on both sides, meeting or exceeding the requirements of ASTM C 1289.1. Compressive Strength: 20 psi (138 kPa).2. Density: 2 lb per cubic foot (24 kg/cu m) minimum.

C. Composite Board: Polyisocyanurate foam insulation with 1/2 inch (13 mm) wood fiber roof insulationlaminated to one side and fiber reinforced facers laminated to one side, meeting or exceeding the requirements of ASTM C 1289. Versico MPH-WF.1. Compressive Strength (Polyiso): 20 psi (138 kPa).2. Compressive Strength (Wood Fiber): 35 psi (241.5 kPa).3. Density (Polyiso): 2 lb per cubic foot (24 kg/cu m) minimum.

D. Composite Board: Polyisocyanurate foam insulation with 7/16 inch (11 mm) Oriented Strand Board (OSB) laminated to one side and fiber reinforced facers laminated to one side, meeting or exceeding the requirements of ASTM C 1289. Versico MPW-OSB.1. Compressive Strength (Polyiso): 20 psi (138 kPa).2. Compressive Strength (Wood Fiber): 35 psi (241.5 kPa).3. Density (Polyiso): 2 lb per cubic foot (24 kg/cu m) minimum.

E. Expanded Polystyrene (EPS): Rigid, closed cell foam insulation meeting ASTM C 578.1. Compressive Strength: Type I - 10 psi (0.7 kg/sq.cm.) min.2. Compressive Strength: Type II - 15 psi (1.1 kg/sq.cm.) min.3. Compressive Strength: Type VIII - 30 psi (2.1 kg/sq.cm.) min.


4. Compressive Strength: Type IX - 25 psi (1.75 kg/sq.cm.) min.

F. Extruded Polystyrene (XPS): Rigid, closed-cell structured thermal barrier meeting ASTM C 578. DowStyrofoam, distributed by Versico.1. Deckmate: Compressive Strength - 18 psi (1.27 kg/sq.cm.) minimum.2. Deckmate Plus: Compressive Strength - 25 psi (1.75 kg/sq.cm.) minimum.

G. Wood Fiber: Cellulose fiber board meeting the requirements of ASTM C 208.1. Board Thickness: 1/2 inch (13 mm).2. Board Thickness: 1 inch (25 mm).

H. Water-resistant and silicone treated gypsum panel with embedded fiberglass facer on both sides, and pre-primed on one side. GP Gypsum Dens-Deck Prime, distributed by Versico.1. Board Thickness: 1/4 inch (6mm).2. Board Thickness: 1/2 inch (13mm).3. Board Thickness: 5/8 inch (15mm).

I. Water-resistant and silicone treated gypsum panel with embedded fiberglass facer on both sides. GP Gypsum Dens-Deck, distributed by Versico.1. Board Thickness: 1/4 inch (6mm).2. Board Thickness: 1/2 inch (13mm).3. Board Thickness: 5/8 inch (15mm).

J. Moisture-, mold- and impact-resistant, nonstructural fiber-reinforced gypsum panel made from 95% recycled materials. Securock, distributed by Versico.1. Board Thickness: 1/4 inch (6mm).2. Board Thickness: 1/2 inch (13mm).3. Board Thickness: 5/8 inch (15mm).

2.5 INSULATION ADHESIVE

A. FAST Adhesive: A spray or extruded applied, two-component polyurethane, low-rise expanding foam adhesive used for attaching approved insulations to compatible substrates (concrete, cellular lightweight insulating concrete, gypsum, cementitious wood fiber, wood or steel) or existing smooth or gravel surfaced BUR, modified bitumen or cap sheets.

B. FAST Catalyst: Added to FAST Adhesive (Part B Side) to quicken adhesive reaction time.

C. DASH DC (Dual Cartridge) or Bag in a Box Adhesive: A two-component, polyurethane construction grade, low-rise expanding adhesive designed for bonding insulation to various substrates using a portable applicator.

D. OlyBond 500 BA - A two-component, polyurethane, low-rise expanding adhesive used to bond insulation to various substrates using a mechanical dispenser system.

E. OlyBond Spot Shot - A two-component, polyurethane construction grade, low-rise expanding adhesive designed for bonding insulation to various substrates using a portable applicator.

F. One-Step Adhesive: A two-component, polyurethane construction grade, low-rise expanding adhesive designed for bonding insulation to various substrates using a portable applicator.

2.6 THERMOPLASTIC POLYOLEFIN (TPO) MEMBRANE

A. VersiWeld Membrane:1. Color: White.2. Color: Gray.3. Color: Tan.


4. Membrane Thickness: 45 mil nominal.a. Thickness over Scrim: 0.015 inches (0.38mm).b. Breaking Strength (ASTM D 751): 225 lbf/in (1 kN/m) minimum.c. Tear Resistance (ASTM D 751): 55 lbf/in (245 N/m) minimum.d. Elongation (ASTM D 751): 25 percent.

5. Membrane Thickness: 60 mil nominal.a. Thickness over Scrim: 0.0120 inches (0.508mm).b. Breaking Strength (ASTM D 751): 250 lbf/in (1.1 kN/m) minimum.c. Tear Resistance (ASTM D 751): 55 lbf/in (245 N/m) minimum.d. Elongation (ASTM D 751): 25 percent.

6. Field Sheet Dimensions:a. Width: 8 feet (2.4 m) maximum.b. Width: 10 feet (3.05 m) maximum.c. Width: 12 feet (3.65 m) maximum.d. Length: 100 feet (30.5 m) maximum.

B. VersiWeld PLUS Membrane:1. Color: White.2. Color: Gray.3. Color: Tan.4. Membrane Thickness: 80 mil nominal.

a. Thickness over Scrim: 0.034 inches (0.76mm) ±10%.b. Breaking Strength (ASTM D 751): 350 lbf/in (1.6 kN/m) minimum.c. Tear Resistance (ASTM D 751): 55 lbf/in (245 N/m) minimum.d. Elongation (ASTM D 751): 25 percent.

5. Field Sheet Dimensions:a. Width: 8 feet (2.4 m) maximum.b. Width: 10 feet (3.05 m) maximum.c. Width: 12 feet (3.65 m) maximum.d. Length: 100 feet (30.5 m) maximum.

2.7 FLASHING ACCESSORlES

A. Inside Corners: Pre-molded corner flashing for inside corners. 60 mil thickness. Color to match membrane.

B. Outside Corners: Pre-molded corner flashing for outside corners. 60 mil thickness. Color to match membrane.

C. TPO Curb Wrap Corners: Pre-fabricated corner flashings made from 45 mil thick reinforced VersiWeld membrane. 6 inch (152mm) wide base flange and a 12 inch (305mm) overall height. Sizes available to fit curbs up to 6 foot by 6 foot (1828 x 1828 mm) in size. Color to match membrane.

D. TPO T-Joint Covers: 60 mil thick non-reinforced TPO flashing cut into a 4.5 inch (114mm) diameter circle used to seal step-offs at splice intersections. Color to match membrane.

E. Pipe Flashings: A pre-molded flashing and clamping ring used for pipe penetrations. Available for 1 inch to 6 inch (25 - 152mm) diameter pipes.

F. Split Pipe Seals: Pre-fabricated flashing consisting of 45 mil thick reinforced VersiWeld Membrane for pipes 1 inch to 6 inch (25 - 152mm) in diameter. Split (cut) and overlapped tabs are incorporated to allow the pipe seal to be opened and wrapped around the pipe when it is not possible to pull a standard pipe flashing over a round penetration.

G. TPO Square Tubing Wraps: Fabricated flashings made of 45 mil thick reinforced VersiWeld membrane for square tubing. A split (cut) and overlap tab are incorporated into these parts to allow the


seals to be opened and wrapped around a square penetration. Available for 3 inch, 4 inch, 5 inch and 6inch (76, 102, 127, 152 mm) diameter square tubing.

H. Molded TPO Sealant Pockets:1. Pre-fabricated, interlocking, 2-piece, injection molded, flexible pocket with a rigid

polypropylene vertical wall and pre-formed deck flanges. Color - White2. Used with Thermoplastic One-Part Pourable Sealer as specified in this section for

waterproofing pipe clusters or other odd shaped penetrations. Forms a 7 1/2 inch by 6 inch (191 x 152mm) oval when completed. Color - White.

I. Pre-Fabricated Sealant Pockets: A two-piece, pre-fabricated sealant pocket that utilizes reinforced TPO membrane and coated metal to form a rigid, oversized sealant pocket with a weldable horizontal deck flange. Color - White.1. 12 inch (305mm) - Total volume of 1.87 gallons.2. 16 inch (406mm) - Total volume of 2.77 gallons.3. 20 inch (508mm) - Total volume of 3.81 gallons.

J. Sealant Pocket Extension Legs: Designed for use with the TPO Molded Sealant Pocket and the Pre-Fabricated Sealant Pocket to extend the length in increments of 10 inches (254mm). Fabricated from 45 mil thick reinforced TPO membrane and TPO coated metal. Can be used full length, cut to size for customized lengths or welded to each other for extra long applications. Color - White.

K. Pressure-Sensitive (PS) Cover Strip: A nominal 6 inch (152mm) by 40 mil thick non-reinforced TPO membrane laminated to nominal 35 mil thick cured synthetic rubber pressure-sensitive adhesive used in conjunction with TPO Primer to strip in flat metal flanges (i.e., drip edges or rows of fasteners and plates). Color to match membrane.

L. TPO Pressure-Sensitive (PS) RUSS: A nominal 6 inch (152mm) and 10 inch (254mm) wide, 45 mil thick reinforced TPO membrane with nominal 3 inch (76mm) wide 35mil thick cured synthetic rubberpressure-sensitive adhesive laminated along one end on 6 inch (152mm) width and both ends on 10 inch (254mm) width.

M. TPO Non-Reinforced Flashing: Non-reinforced thermoplastic polyolefin based membrane used for field fabricated pipe flashings, sealant pockets and scuppers when the use of a pre-molded accessory is not feasible.

N. Heat Weldable Walkway Rolls: Recycled VersiWeld Membrane offering superior tear, puncture and weather resistance and designed to protect VersiWeld membrane in those areas exposed to repetitive foot traffic or other hazards. Walkway material may be heat welded to VersiWeld membrane using an automated heat welder or hand held heat welder. Walkway Rolls are 34 inches (762mm) wide by 50 feet (15.2 M) long and are nominal 120 mils thick. Color - White.

2.8 CLEANERS, PRIMERS, ADHESIVES AND SEALANTS

A. VersiWeld Bonding Adhesive: Solvent-based contact adhesive that allows bonding of VersiWeld membrane to various porous and non-porous substrates.1. Base: Synthetic Rubber.2. Color: Yellow.3. Solids: 20.0 percent.4. VOC: 670 grams/liter.

B. Low VOC Bonding Adhesive: High strength, solvent-based contact adhesive that allows bonding of VersiWeld membrane to various porous and non-porous substrates. It is specially formulated using a blend of VOC exempt and non-exempt solvents to be in compliance with the state of California Clean Air Act of 1988 (updated in 1997) and is further regulated by California's Air Quality Control Districts listing VOC grams per liter limitations.


1. Base: Synthetic Rubber.2. Color: Yellow.3. Solids: 20.3 percent.4. VOC: 250 grams/liter.

C. Aqua Base 120: Semi-pressure-sensitive water-based bonding adhesive used as a two-sided contact adhesive.

D. Low VOC Bonding Adhesive 1168: a solvent-based contact adhesive that allows bonding to EPDM tovarious porous and non-porous substrates. This product complies with the < 250 gpl VOC content requirements for the OTC Model Rule for Single-Ply Roofing Adhesives. This product complies with the following California counties' VOC regulations: Alameda, Contra Costa, El Dorado, Los Angeles, Marin, Napa, Orange, Riverside, Sacramento, San Bernardino, San Diego, San Francisco, San Mateo, Santa Clara, Solano, Sonoma and Tehema

E. Low-VOC Bonding Adhesive: a solvent-based contact adhesive that allows bonding to EPDM to various porous and non-porous substrates. This product complies with the < 250 gpl VOC content requirements for the OTC Model Rule for Single-Ply Roofing Adhesives. This product does not comply with the following California counties' VOC regulations: Alameda, Contra Costa, El Dorado, Los Angeles, Marin, Napa, Orange, Riverside, Sacramento, San Bernardino, San Diego, San Francisco, San Mateo, Santa Clara, Solano, Sonoma and Tehema.

F. Cut Edge Sealant: A medium solids contact, free flowing polymeric material designed for sealing cut edges (exposed fabric) of VersiWeld reinforced membrane.

G. Water Cut-Off Mastic: A one-component, low viscosity, self wetting, Butyl blend mastic used as a compression sealing agent between membrane and applicable substrates.

H. TPO Primer: Solvent-based product designed for priming TPO surfaces prior to the application of pressure-sensitive products.

I. Low VOC TPO Primer: a solvent based primer designed for one-step cleaning and priming of EPDM surfaces prior to installation of quick-applied products. This product complies with the < 250 gpl VOC content requirements for the OTC Model Rule for Single-Ply Roofing Adhesives.

J. Universal Single-Ply Sealant: A 100 percent solids, solvent free, one-part polyether sealant that is used as a termination bar sealant. Available in white only.

K. White One-Part Sealant: Single component, moisture curing, elastomeric polyether sealant that is compatible with Versico's Thermoplastic membranes. Provides a flexible, durable and long lasting seal around hard-to-flash penetrations in Thermoplastic Roofing Systems.

L. Versico Weathered Membrane Cleaner: Clear, solvent-based cleaner used to loosen and remove contaminants from the surface of exposed membrane.

2.9 BITUMEN

A. Hot Asphalt: Meets or exceeds requirements of ASTM D 312:1. Type: Type III.2. Type: IV.3. Type: SEBS.

B. Cut-Back Asphalt Primer: ASTM D 41 primer for structural concrete decks, existing smooth BUR, mineral surfaced cap sheet, or modified bitumen membranes prior to mopping.

2.10 FASTENERS


A. HPVX Fasteners: Heavy-duty #15 threaded fastener with a Phillips head used with HPVX seam plates(Mechanically Attached System) and where increased pullout resistance is necessary for steel and wood decks (Fully Adhered System)

B. HPV-XL Fasteners: An oversized #21 steel threaded fastener used in conjunction with HPV-XL Platesfor membrane securement on Mechanically Attached Roofing Systems.

C. HP Fastener: Threaded, coated (E-Coat) fastener for use with steel, wood plank, minimum 15/32" thick plywood, or minimum 7/16" thick oriented strand board (OSB).

D. Pre-Assembled ASAP Fasteners: A #3 Phillips head fastener and pre-assembled 3 inch (76mm) diameter Plastic Insulation Plate used for insulation attachment only into steel or wood decks.

E. InsulTite Fasteners: Threaded, Phillips head fastener used with 3 inch (76mm) diameter Insulation Plates. For insulation attachment only into steel or wood decks.

F. CD-10 Concrete Fastener: A hammer-driven, non-threaded coated (E-Coat) fastener for use with structural concrete decks rated 3,000 psi or greater.

G. MP 14-10 Concrete Fastener: A #14 threaded fastener used for minimum 3,000 psi concrete decks.

H. Gyptec Fastener: A glass-filled nylon auger fastener designed for use with cementitious wood fiber and gypsum decks.

I. Lite-Deck Fastener: An oversized diameter metal fastener and associated 3 inch diameter Lite-Deck metal plate for use on Adhered Roofing Systems to attach insulation to dense gypsum decks.

J. Term Bar Nail-In: A 1 1/4 inch (32mm) long expansion anchor with threaded drive pin used for fastening VersaGard Termination Bar or Seam Fastening Plates to concrete, brick or block walls.

K. HPVX Plates: A 2-3/8 inch (60mm) diameter metal barbed fastening plate used with Versico Fastenersfor membrane securement. This plate can be used for insulation securement.

L. HPV-XL Plates: A 2-3/8 inch (60mm) diameter metal barbed fastening plate with an oversized hole for use with Versico HPV-XL Fasteners for membrane or insulation securement.

M. Insulation Fastening Plates: a nominal 3 inch (76mm) diameter plastic or metal plate used for insulation attachment.

N. Base Sheet Fasteners And Plates:1. Dual-Prong Fastener - A factory pre-assembled, 1.8 inch (46mm) long fastener consisting of a

precision tube formed from galvanized (G-90) coated steel, a 2.7 inch (69mm) diameter disk formed from Galvalume (AX-55) coated steel and a locking staple of high tensile steel wire used to secure base sheets to fibrous cement, lightweight concrete and gypsum providing 70 lbs. of pullout resistance is achieved (40 lbs. Min.).

2. Metal Cap: For use on projects limited in height 30 feet (9.14 M) or 40 feet (12.2 M) depending on base sheet used, 1 inch (25mm) Carlisle Metal Cap in conjunction with a ring shank nail may be use to attach base sheets to wood plank, plywood or OSB decks per Carlisle's approved fastening pattern.

3. Base Sheet fasteners and plates by others shall be FM approved and the respective manufacturers' published recommendations for proper installation shall be followed.

2.11 EDGINGS AND TERMINATIONS

A. VersiTrim 2000: Anchor bar roof edge fascia system consisting of 0.100 inch (2.5 mm) thick extruded aluminum bar, corrosion resistant stainless steel fasteners and snap-on fascia cover.


B. VersiTrim 200: 24 gauge galvanized metal water dam. Finish as noted on the Finish Schedule of the Contract Drawings.

C. VersiTrim Fascia: A metal anchor bar fascia system consisting of a formed quarter hard 0.050 inch (1.25 mm) aluminum retainer bar, corrosion resistant fasteners and a 0.040 inch (1 mm) aluminum or 24 gauge steel snap-on fascia cover.

D. Versico Drip Edge: 22 gauge pre-punched 90-degree angle cleat and fascia sections. Kynar 500 or mill aluminum finish as noted on the Finish Schedule in the Contract Drawings.

E. TPO Coated Metal: 24 gauge, galvanized steel sheet coated with a layer of non-reinforced VersiWeld laminate. Used to fabricate metal drip edges or other roof perimeter edging profiles. VersiWeld Membrane may be heat welded directly to the coated metal. Sheet sizes 4 feet by 10 feet (1219 x 3048mm). Color to match membrane.

F. VersiTrim Coping: Anchor cleat with pre-slotted holes, a concealed joint cover, and sections of copingcap. Kynar 500 or anodized aluminum finish as noted on the Finish Schedule in the Contract Drawings.

G. Versico Termination Bar: 1 inch (13 mm) wide, 98-mil thick extruded aluminum bar pre-punched 6 inches (152 mm) on center with sealant ledge.

PART 3 EXECUTION

3.1 EXAMINATION

A. Do not begin installation until substrates have been properly prepared.

B. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2 Clean surfaces thoroughly prior to installation.

3.3 Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

3.4 Do not commence Work until all other work trades have completed jobs that require them to traverse the deck on foot or with equipment.

3.5 A vapor retarder / temporary roof may be applied to protect the inside of the structure prior to the roof systeminstallation.

3.6 SUBSTRATE PREPARATION

A. Structural Concrete Deck:1. Minimum deck thickness for structural concrete is 4 inches (102 mm).2. Allow roof deck to cure prior to application of the roofing system. Where curing is in question,

evaluate surface moisture and deck's dryness with the ASTM D-4263 or hot bitumen test procedures.

3. Repair cracks greater than 1/8 inch (3 mm) in width in accordance with the deck manufacturer's recommendations.

4. Sumps for the roof drains shall be provided in the casting of the deck.5. Where insulation is to be adhered with hot asphalt, prime the deck with asphalt/concrete

primer, ASTM D 41 at the rate of one gallon per 100 square feet (0.4 l/sm). Allow the primer to dry prior to the application of the roofing system.

B. Steel Deck:


1. Metal decks shall be a minimum uncoated thickness of 22 gauge and have a G-90 galvanized finish on all panels.

2. Decks shall comply with the gauge and span requirements in the current Factory Mutual Approval Guide and be installed in accordance with Loss Prevention Data Sheet 1-28 or specific FM approval.

3. Remove any surface corrosion and repair severely corroded areas. Properly fasten loose or inadequately secured decking.

C. Wood Deck (Plank / Heavy Timber):1. Wood boards shall be at least 1 inch (25 mm) nominal thickness and have a nominal width of 4

feet-6 inches (1372 mm).2. All boards shall have a bearing on rafters at each end and be securely nailed.3. Cover knotholes or cracks in excess of 1/4 inch (6 mm) with securely nailed sheet metal.

D. Wood Deck (Plywood Deck):1. Plywood sheathing shall be CDX grade, minimum 4 ply, and not less than 15/32 inch (12 mm)

thick.2. Install deck over joists spaced 24 inches (610 mm) o.c. or less. Install deck with all sides

bearing on and secured to joist and cross blocking.

E. Cementitious Wood Fiber:1. Decks shall be protected from the weather during storage and application; any wet or deformed

decking shall be removed and replaced.2. Anchor all panels against uplift and lateral movement.3. Install deck level. Any deflection, irregularities, or otherwise damaged panels shall be

corrected or replaced.

F. Lightweight Insulating Concrete Deck:1. Lightweight insulating concrete decks are required to have a minimum thickness of 2 inches

(51 mm), a minimum compressive strength of 200 psi (1.38 MPa) and a minimum density of 22 pcf (352 kg/sm) for Fully Adhered Systems

2. Moisture content of existing Lightweight concrete shall be under 20 percent when insulation is to be fastened directly to it.

3.7 INSULATION - SYSTEM DESIGN

A. Base Layer:1. Type: ____________.2. Thickness: ______ inches (___ mm).3. Attachment Method: _____.

B. Top Layer:1. Type: ____________.2. Thickness: ______ inches (___ mm).3. Attachment Method: _____.

C. Tapered System:1. Type: ____________.2. Field Slope: ____ inch per foot.3. Sump Slope: ____ inch per foot.4. Cricket Slope: ____ inch per foot.5. Attachment Method: _____.

3.8 INSULATION PLACEMENT

A. Install insulation or membrane underlayment over the substrate with boards butted tightly together


with no joints or gaps greater than 1/4 inch (6 mm). Stagger joints both horizontally and vertically if multiple layers are provided.

B. Secure insulation to the substrate with the required mechanical fasteners or insulation adhesive in accordance with the manufacturer's current application guidelines.

C. Do not install wet, damaged or warped insulation boards.

D. Stagger joints in one direction unless joints are to be taped. Install insulation boards snug. Gaps between board joints shall not exceed 1/4 inch (6 mm). Fill all gaps in excess of 1/4 inch (6 mm) with same insulation material.

E. Wood nailers shall be at least 3 1/2 inches (89 mm) wide or 1 inch (25 mm) wider than adjacent metal flange. Thickness shall equal that of insulation but not less than 1 inch (25 mm) thickness.

F. Miter and fill the edges of the insulation boards at ridges, valleys and other changes in plane to prevent open joints or irregular surfaces. Avoid breaking or crushing of the insulation at the corners.

G. Do not install any more insulation than will be completely waterproofed each day.

3.9 INSULATION ATTACHMENT

A. Securely attach insulation to the roof deck. For Fully Adhered or Mechanically Attached Roofing Systems. Attachment shall have been successfully tested to meet or exceed the calculated uplift pressure required by the International Building Codes (ASCE-7) or ANSI/SPRI WD-1

B. Enhance the perimeter and corner areas in accordance with the International Building Code (ASCE-7)or ANSI/SPRI WD-1.

C. Install insulation layers, maximum 4 feet by 4 feet (1220 mm by 1220 mm) board size, in a full and uniform mopping of hot asphalt applied at the rate of 25 lb/square (1.2 kg/sm). Stagger the joints of additional layers in relation to the insulation joints in the layer(s) below by a minimum of 6 inches (152 mm).

D. Install insulation layers applied with adhesive, coverage rate as necessary to achieve the specified attachment and uplift rating. Press each board firmly into place after adhesive develops strings when touched, typically 1 1/2 to 2 minutes after adhesive was applied, and roll with a weighted roller. Add temporary weight and use relief cuts to ensure boards are well adhered.

3.10 MEMBRANE PLACEMENT AND ATTACHMENT (Fully Adhered)

A. Position VersiWeld membrane over the acceptable substrate. Fold membrane sheet back lengthwise sohalf the underside of the membrane is exposed.

B. Apply TPO Bonding Adhesive in accordance with the manufacturer's published instructions, to the exposed underside of the membrane and the corresponding substrate area. Do not apply Bonding Adhesive along the splice edge of the membrane to be hot air welded over the adjoining sheet. Allow the adhesive to dry until it is tacky but will not string or stick to a dry finger touch.1. Roll the coated membrane into the coated substrate while avoiding wrinkles. Brush down the

bonded section of the membrane sheet immediately after rolling the membrane into the adhesive with a soft bristle push broom to achieve maximum contact.

2. Fold back the unbonded half of the sheet lengthwise and repeat the bonding procedures.

C. Position adjoining sheets to allow a minimum overlap of 2 inches.

D. Hot-air weld the VersiWeld membrane sheets using the Automatic Hot Air Welding Machine or Hot Air Hand Welder in accordance with the manufacturer's hot air welding procedures.


E. Continue to install adjoining membrane sheets in the same manner, overlapping edges a minimum of 2 inches and complete the bonding procedures as stated previously.

3.11 MEMBRANE PLACEMENT AND ATTACHMENT (Mechanically Attached)

A. Unroll and position membrane without stretching. Allow the membrane to relax for approximately 1/2hour prior to attachment. Provide and secure both perimeter and field membrane sheets in accordance with the manufacturer's most current specifications and details.

B. Secure the membrane with the required Fasteners and Plates centered over the pre-printed marks approximately 1 1/2 inches (39mm) from the edge of the membrane sheet.

C. Install adjoining membrane sheets in the same manner in accordance with the manufacturer's current application requirements.

D. Attachment Schedule:1. Field (Zone 1) Fastener Density: 12 inches (305mm) O.C.2. Field (Zone 1) Fastener Density: 9 inches (228mm) O.C.3. Field (Zone 1) Fastener Density: 6 inches (152mm) O.C.4. Perimeter (Zones 2 and 3) Fastener Density: 12 inches (305mm) O.C.5. Perimeter (Zones 2 and 3) Fastener Density: 9 inches (228mm) O.C.6. Perimeter (Zones 2 and 3) Fastener Density: 6 inches (152mm) O.C.7. Perimeter (Half-width) Sheets: 1.8. Perimeter (Half-width) Sheets: 2.9. Perimeter (Half-width) Sheets: 3.10. Perimeter (Half-width) Sheets: _.

3.12 SEAM WELDING

A. Hot-air weld membrane using an Automatic Hot Air Welding Machine or Hot Air Hand Welder in accordance with the manufacturer's current guidelines. At all splice intersections, roll the seam with a silicone roller to ensure a continuous hot air welded seam.

B. Overlay all splice intersections with T-Joint Covers.

C. Probe all seams once the hot air welds have thoroughly cooled (approximately 30 minutes).

D. Repair all seam deficiencies the same day they are discovered.

E. Apply Cut Edge Sealant on all cut edges of reinforced membrane (where the scrim reinforcement is exposed) after seam probing is complete. Cut Edge Sealant is not required on vertical splices.

3.13 FLASHING

A. Flashing of parapets, curbs, expansion joints and other parts of the roof shall be performed using VersiWeld reinforced membrane or prefabricated accessories. VersiWeld non-reinforced membrane may be used for flashing pipe penetrations, Sealant Pockets, and scuppers, as well as inside and outside corners, when the use of pre-molded or prefabricated accessories is not feasible.

B. Follow manufacturer's typical flashing procedures for all wall, curb, and penetration flashing including metal edging/coping and roof drain applications.

3.14 WALKWAYS

A. Install walkways at all traffic concentration points (such as roof hatches, access doors, rooftop ladders, etc.) and all locations as identified on the Contract Drawings.


B. Hot-air weld walkway pads to the membrane in accordance with the manufacturer's current application guidelines.

C. Loose lay concrete pavers over an approved protection sheet in accordance with the manufacturer's current application guidelines.

3.15 DAILY SEALS

A. On phased roofing, when the completion of flashings and terminations is not achieved by the end of the work day, a daily seal shall be performed to temporarily close the membrane to prevent water infiltration.

B. Complete an acceptable membrane seal in accordance with the manufacturer's requirements.

3.16 CLEAN UP

A. Perform daily clean-up to collect all wrappings, empty containers, paper, and other debris from the project site. Upon completion, all debris shall be disposed of in a legally acceptable manner.

B. Prior to the manufacturer's inspection for warranty, the applicator shall perform a pre-inspection to review all work and to verify all flashing has been completed as well as the application of all caulking.

3.17 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION


SECTION 07 60 00

FLASHING AND SHEET METAL

The General Conditions, Supplementary Conditions and Division 1 General Requirements are hereby made apart of this Section as fully as if repeated herein.

PART 1 - GENERAL 1.01 DESCRIPTION:

A. Work Included: All sheet metal work as indicated and specified except those items included in other Sections. This Section includes but is not limited to:

1. Flashings at door and window heads (drips) and sills.2. Roof gutters. 3. All caulking and sealants related to sheet metal work.4. Downspouts.


1. Metal Roofing 07 41 13. 2. Painting 09 90 00.3. Pipe rainwater leaders: See Plumbing 22 00 00.4. Ductwork and flashing and counter flashing of all pipe, conduits and other penetrations

of mechanical and electrical equipment.

1.02 REFERENCES AND STANDARDS: The following references and standards are hereby made a part of this Section and all sheet metal work shall conform to the applicable requirements and recommendations therein except as otherwise specified herein or shown on the Drawings.

A. "Architectural Sheet Metal Manual", Latest Edition, and "Architectural Sheet Metal Specifications", latest Edition, both published by Sheet Metal and Air Conditioning Contractors' National Association, Inc. (SMACNA).

1.03 SUBMITTALS: Comply with requirements of Shop Drawings, Product Data and Samples Section.

A. Shop Drawings: Show manner of forming, jointing and securing to adjacent work. Detail all

waterproof connections including penetrations. Indicate all materials, thicknesses and dimensions, fastening and anchoring methods, details and locations of all seams, joints and other provisions necessary for thermal expansion and contraction.

1.04 DELIVERY, STORAGE AND HANDLING:

A. Deliver all items to site unpainted and in sufficient time to enable incorporation into work of

other trades.

B. Store all galvanized metal under dry conditions and protect from moisture until installation commences.

PART 2 - PRODUCTS

2.01 MATERIALS:

A. Galvanized Sheet Steel: ASTM A 525-77 and A 526-71, 1.25 oz. galvanized coating, 24 gageunless otherwise noted, except 22 ga. or heavier at caps and parapets. Where exposed and to be painted, use mill-phosphatized material. Use lock-forming quality (ASTM A 527) where so required by nature of fabrication. Gutters 20 gauge.

MT. DIABLO UNIFIED SCHOOL DISTRICT FLASHING AND SHEET METALSECTION 07 60 00-1

B. Solder: ASTM B 32-76, half lead and half tin (Alloy 50A).

C. Flux: Muriatic acid cut with zinc or non-corrosive, as recommended for use with parent metals.

D. Fastenings: Tinned or galvanized for galvanized metal; hard copper for lead. All nails into

wood shall be annular ring type with large heads.

E. Insulating Materials:

1. Asphalt Saturated Felt: ASTM D 226-77, No. 30 type. 2. Bituminous Coating (Sheet Lead): F.S. TT-C-494 or MIL-C-18480.

F. Caulking and Sealing:

1. For all concealed metal to metal contact, use polyisobutylene type, non-skinning, non-drying sealant, bulk or tape, as required by installation conditions (tape: 1" minimum width, 1/16" minimum thickness); Presstite "579 Series", PPG "Duribbon 1072", or approved equal.

2. At all other areas requiring calking and sealing, conform to silicone sealant material requirements of Caulking and Sealants Section.

G. Downspouts – Schedule 40 PVC with 3 clamp supports downspout.

PART 3 - EXECUTION

3.01 CONDITION OF SURFACES:

A. Surfaces to receive sheet metal work shall be smooth, clean, and dry and free of rough or sharp ridges and projections. Nails shall be driven flush without projecting heads.

B. Commencing installation implies acceptance of surfaces.

3.02 COORDINATION:

A. Coordinate and schedule sheet metal work with installation of roofing, drains, piping, blocking, nailers, framed openings, curbs, parapets and other adjoining or substrate

work where it is integral or contiguous therewith.

B. Instruct other trades concerning location and placement of nailers, blocking, cleats, etc.

3.03 PREPARATION:

A. Remove all grease, dirt and surface coatings from surfaces to be soldered.

B. Apply all galvanized sheet metal over redwood, cedar, or oak over one layer of saturated felt; or, alternately, the metal may be back painted with a heavy coat of bituminous paint.

3.04 INSTALLATION:

A. Where work is not otherwise shown or specified, conform to details and requirements set forth in the Reference Standards.

B. Where materials or construction systems are specified with reference to a particular manufacturer (such as reglets, gravity ventilators and calking and sealants, make all

installations in strict accord with the approved manufacturer's installation instructions.

C. Except where otherwise noted or specified, all sheet metal work shall be galvanized sheet steel. Make all cleats and edge strips of the same metal as items with which they are used.


D. Accurately reproduce profiles and bends; make intersections sharp, even and true. Make plainsurfaces free from buckles and waves with as few joints as possible. Reinforce all work as required for strength and appearance.

E. Bend all metals to minimum radius recommended by manufacturer for thickness used. (In

general, the radius shall be not less than the thickness of metal.)

F. Provide for proper expansion and contraction in all systems. Make all joints tight. Conceal all nails and other fastenings where possible. Face nailing through exposed surfaces is not permitted unless specifically shown. Secure exposed edges to underlying materials with clips or tabs (edge strips).

G. Make all seams in direction of flow.

H. Hem all exposed edges of sheet metal work ½ inch.

I. Do all cutting, fitting, punching, etc., in sheet metal to accommodate work specified elsewhere and provide all necessary accessory items.

J. Properly apply caulking and sealants to sheet metal items to permit movement between surfaces and to make entire installation watertight. Conform to requirements of Caulking andSealants Section.

K. Soldering: Roughen smooth surfaces with clean emery cloth or sandpaper; do not use steel wool. Use torch or well headed irons for all soldering. Solder slowly throughly heating seamsand completely sweating solder through full width with at least 1" of solder evenly flowed along seams. Wherever possible, solder in a flat position. Solder seams on slopes greater than45o a second time. Solder immediately after application of flux; after soldering, immediately neutralize any corrosive flux with 5% soda solution and flush with clean water. Soldering of exposed surfaces shall be neatly done. Exposed solder shall be dressed and finished. Soldering shall be employed only to seal or fill seams. Where structural strength is required, do not rely on solder alone but use supplementary mechanical fasteners.

L. Flashings:

1. Install all flashings required to provide watertight protection. Except where composition flashings are used, flash intersections of decks and roofs or their horizontal surfaces with vertical surfaces of every kind. Make flashings base and counter type or cap type unless otherwise shown.

2. Assemble and install flashings at roofing and conditions to conform to approved manufacturer's recommendations and the requirements of the Built-Up Roofing Section.

3. Carry all flashings around corners 4" minimum; metal soldered or otherwise joined at the angle is not permitted. Three-way an shall have the corners soldered watertight.

4. Roof flashings and related metal shall be installed with flanges on top ply of roofing felt and reinforced as per Roofing Section. Installation of flange below or between roofing plies is not permitted.

5. Unless metal manufacturer has more stringent requirements, make up continuous straight runs of flashings in 24 ft. maximum lengths. Unless otherwise shown or specified, connect continuous runs together with 3-inch loose lock expansion joints sealed water-tight with sealant. Provide expansion joints at 10 ft. maximum from anyexternal or internal corners, and in straight runs less than 24 ft. but more than 10 ft., make expansion joints at center of run. Running joints between expansion joints shall be locked and soldered or lapped and riveted/soldered.

3.05 PROTECTION: Protect dissimilar metals subject to galvanic corrosion from contact with each other

and from other surfaces which cause corrosion of metal.END OF SECTION


SE C T I O N 07 62 00

S H EE T M E T A L FL A S HING A ND T RIM

PART 1 – GENERAL

1.01 SUMMARY

A. Section Includes:

1. Flashings for Thermoplastic Polyolefin Roofing.2. Roof, eave and rake strip protection.3. Counterflashings for roof-mounted mechanical equipment/services.4. Sheet waterproofing under metal platform caps.5. Reglets and counterflashing.6. Galvanized Sheet Metal Cap.

B Related Sections:

1. 07 92 00 – Joint Sealants2. 07 54 23 – Thermoplastic-Polyolefin Roofing3. 09 90 00 – Painting and Coating

1.02 REFERENCES

A. Architectural Aluminum Manufacturers Association (AAMA):

1. AAMA 2603 – Voluntary Specification, Performance Requirements and TestProcedures for Pigmented Organic Coatings on Aluminum Extrusion and Panels

2. AAMA 2605 – Voluntary Specification, Performance Requirements and TestProcedures for Superior Performance Organic Coatings on Aluminum Extrusions andPanels

B. ASTM, International (ASTM):

1. ASTM A 653 – Standard Specification for Steel Sheet, Zinc Coated(Galvanized) or Zinc-Iron Coated (Galvannealed) by the Hot Dip-Process

2. ASTM B 32 – Standard Specification for Solder Metal3. ASTM B 16/B – Standard Specification for Free-Cutting Brass Rod, Bar, and Shapes

for Use in Screw Machines4. ASTM C 920 – Standard Specification for Elastomeric Joint Sealants

C. Federal Specifications (FS):

1. FS SS-C-153c – Cement, Bituminous, Plastic

D. Sheet Metal and Air Conditioning Contractor's Association, Inc. (SMACNA): Architectural Sheet Metal Manual

1.03 SUBMITTALS

A. Section 01 33 00 – Submittal Procedures: Submittal requirements.

B. Shop Drawings: Indicate material, finish, thickness/gauge, profile, jointing pattern,jointing details, fastening methods, flashing terminations, and installation details.

MT. DIABLO UNIFIED SCHOOL DISTRICT SHEET METAL FLASHING AND TRIMSECTION 07 62 00-1


A. Perform work in accordance with SMACNA Architectural Sheet Metal Manual.

B. Except as otherwise indicated, comply with minimum thickness or gaugerequirements as specified in SMACNA Architectural Sheet Metal Manual.

1.05 QUALIFICATIONS

A. Fabricator and Installer: Company specializing in sheet metal flashing work with five yearsdocumented experience.

1.06 PRE-INSTALLATION MEETING

A. Convene one week prior to commencing work of this section.

1.07 EXISTING CONDITIONS/PROTECTION

A. Exercise care when working on or about roof surfaces to avoid damaging existing and newroof.

B. Place plywood panels at least 1/2 inch thick on roof surfaces adjacent to work of this sectionand on access routes. Overlap panels and/or secure to keep a continuous protected pathway.Keep in place until completion of work.

1.08 DELIVERY, STORAGE AND PROTECTION

A. Transport, handle, store, and protect products as recommended by manufacturer. B. Stack

preformed material to prevent twisting, bending, or abrasion, and to provideventilation.

C. Maintain protective coverings on prefinished materials, except as required to install, untilcompletion of Project.

D. Prevent contact with materials which may cause discoloration or staining.

1.09 WARRANTY

A. Provide the District with a guarantee stating that the metal flashings will properly shed waterand protect felts from physical damage for a minimum period of two years from date ofacceptance by the District and that any and all damage resulting from failure to provideabove stated performances will be repaired to the satisfaction of the District at no additionalcost.

PART 2 – PRODUCTS

2.01 SHEET MATERIALS

A. Bonderized Galvanized Steel: ASTM A 653; Type A, bonderized G90 zinc coating, 22gage minimum core steel.

B. Building Paper: ASTM D 226, Type 1 (No. 15 asphalt-saturated organic felt),unperforated.


C. Sheet Waterproofing: W.R. Grace “Ice-and-Watershield” or equal rubberized asphalt,self-sealing, self-adhering waterproofing underlayment.

2.02 ACCESSORY MATERIALS AND COMPONENTS

A. Fasteners: Concealed hook strip and continuous cleat type; of same material as flashings;sized to suit application.

B. Reglets: Fry Reglet Corporation Springlok Flashing Systems, Type ST; or equal;galvanized steel.

C. Solder and Flux: ASTM B 32, nonlead type recommended for materials being used.

D. Plastic Cement: Cutback asphaltic type conforming to FS SS-C-153c. E.

Bituminous Paint: Acid and alkali resistant type; black color.

F. Sealant: Two component polyurethane, conforming to requirements of ASTM C920, Type M, Grade NS, Class 25, non-staining; non-bleeding; non- sagging; Vulkem 922or equal; in color selected by Architect.

G. Sealant: Type E butyl, ASTM C 920, Grade NS, Class 12-1/2, Use NT; single component,solvent release, non-skinning, non-sagging, VOC compliant; in color selected by Architect.

H. Sheet Waterproofing: Apply horizontally over new plywood sheathed platforms with a 3-1/2 inch side laps and a 6-inch end laps; fasten using releasing strip for self-adhering.

2.03 FABRICATION

A. Fabricate metal platform caps, flashing, counterflashings, expansion joint covers, scuppers,and downspouts as indicated on drawings, and in accordance with SMACNA ArchitecturalSheet Metal Manual.

B. Form sections square, true and accurate to size, free from distortion and other defectsdetrimental to appearance or performance.

C. Form sections in 10 foot lengths or as required to prevent oil canning at radius areas. Makeallowances for expansion at joints in accordance with SMACNA.

D. Wipe and wash clean, all soldered joints, to remove traces of flux immediately aftersoldering.

E. Hem exposed edges of flashings on underside 1/2 inch.

F. Provide standing seams on platform caps and extend caps at least 2 inches beyondplatform and 4 inches down sides to perform as a flashing over roofing yet providesufficient room to install base flashing.

G. Fabricate flashings to allow toe to extend minimum 2 inches horizontally over roofing andreturn brake edge.

H. Fabricate metal downspouts to match existing. Provide new where indicated and whererequired to replace damaged downspouts.

I. Federal Specifications (FS):


1. FS SS-C-153c – Cement, Bituminous, Plastic Backpaint flashings with bituminous paint where expected to be in contact with cementitious materials or dissimilar metals.

2.04 FINISH

A. Surfaces Not Exposed to View at Grade: Counterflashing not exposed to view at grade, suchas at platforms and skylights, is not required to be painted.

B. Surfaces Exposed to View at Grade:

1. Wherever possible provide sheet metal items that are made from prefinishedmetal with a factory-applied organic coating of PVDF (polyfluorovinylidene) such asKynar or Hylar in a minimum 2-coat system complying with AAMA 2605.2.

2. When use of prefinished metal is not practicable, provide sheet metal painted inthe shop to match existing flashings in accordance with requirements of Section09900. Field painting of sheet metal is highly discouraged.


3.01 EXAMINATION

A. Verify that substrate is ready to receive flashing and sheet metal.

B. Verify that conditions are in accordance with approved shop drawings. C.

Correct unacceptable conditions prior to commencing work.

3.02 INSTALLATION

A. Install flashings and trim in accordance with SMACNA Architectural Sheet MetalManual and as indicated on drawings.

B. Supply reglets to respective trade for installation. Coordinate their correct placement.

C. Secure flashings in place using specified type fasteners. Use exposed fasteners in locationsapproved by Architect only. When using exposed fasteners, they are to be of same finish asflashings.

D. Apply sealant at junction of metal flashings and membrane flashings.

E. Lock seams and end joints. Fit flashings tight in place. Make corners square, surfaces trueand straight in all planes, and all lines accurate to profiles.

F. Install downspouts in accordance with SMACNA Architectural Sheet MetalManual and approved shop drawings.

END OF SECTION


SECTION 07 92 00

JOINT SEALANTS

The General Conditions, Supplementary Conditions and Division 1 General Requirements are hereby made a part of this Section as fully as if repeated herein.

PART 1 - GENERAL

1.01 DESCRIPTION:

A. Work Included: All caulking and sealant work required for the project and not specified elsewhere.


1. Caulking and sealants related to the following:a. Architectural sheet metal work: See Sheet Metal 07 60 00.

1.02 QUALIFICATION: All exterior, elastomeric type sealants shall be applied by a firm normally in the business of applying sealants similar to those specified.


A. Samples: Samples of all exposed caulking and sealants are required for Architect's approval of colors. Unless otherwise directed, apply samples in 6-inch runs in actual joints at the job site.

B. Manufacturer's Specifications and Materials List: At least 30 days prior to commencing work, furnish to Architect, 2 copies of manufacturer's specifications for installations indicated, listing specific materials proposed. Specifications shall indicate completely, recommendations for use of primers, joint preparation and sealant dimensions.

1.4 PRODUCT HANDLING:

A. Delivery: Deliver caulking and sealants and related accessories to the job site in factory sealed, unopened containers bearing manufacturer's name and product designation.

B. Storage: Store in unopened containers. Follow manufacturer's recommendations for storage temperatures and shelf life.

C. Handling: Follow manufacturer's recommendations for handling products containing toxic materials. Keep flammable material away from heat, sparks and open flame. Use recommended solvents and cleaning agents for cleaning tools, equipment and skin.

1.05 ENVIRONMENTAL CONDITIONS: Schedule caulking and sealing operations so that working joints are most likely to be normal size. Apply materials within manufacturer's recommended surface and ambient temperature ranges.

1.06 PROTECTION: Use masking tape where practical to control lap of materials onto adjacent surface or to facilitate tooling. Remove tape immediately after caulking and sealing.

PART 2 - PRODUCTS

2.01 MATERIALS:

A. General: All caulking and sealants, primers and accessories shall be non-staining to adjacent exposed materials. Products having similar application and usage shall be of the same

MT. DIABLO UNIFIED SCHOOL DISTRICT JOINT SEALANTSSECTION 07 92 00-1

manufacturer and type. Unless otherwise specified, colors will be selected from approved manufacturer's standard range. Use gun consistency compounds unless otherwise required by job conditions.

B. Butyl Sealant: One component, butyl based sealant, skinning type; DAP "Butyl-Flex", Pecora BC-158, Tresco "Butyl Sealant", or approved equal.

C. Silicone Sealant (Exterior): One component, low modulus, silicone based sealant; Dow-Corning "790", General Electric "Silpruf", or approved equal.

D. Silicone Sealant (Interior): Dow-Corning "8640", or approved equal, white color.

E. Primers (If required): As manufactured and recommended for each substrate by approved manufacturer of each caulking and sealant material used.

F. Back-Up Materials: As recommended for and compatible with each caulking and sealant used. Ingeneral, use closed cell, bead or rope shaped, expanded polyethylene or polyurethane foam. Do not use any bituminous, oily or solvent containing materials or any incompressible materials. In general, width or diameter of preformed; back-up material shall be 1-1/3 to 1-1/2 times the width of the joint to be sealed.

G. Release Materials: Polyethylene film.

PART 3 - EXECUTION

3.1 CONDITION OF SURFACES:

A. Inspect all surfaces to receive caulking and sealant materials and report all defects. Starting work implies acceptance of surfaces as satisfactory.

B. Verify that joints and spaces to be caulked or sealed is of proper width.

C. Concrete, masonry, and plaster surfaces shall be thoroughly cured.

D. Apply no caulking or sealant materials in contact with surfaces contaminated with oil, grease, bituminous materials, form release agents, bond breakers, and deleterious curing compounds, water repellents and other special surface treatments. Aluminum surfaces shall be free of lacquer and other oxidizing coatings. Costs occasioned by removal of such contaminants shall be responsibility of the trade having caused their presence.

3.02 PREPARATION:

A. Thoroughly clean all joints, removing all foreign matter such as dirt, dust, moisture, frost, rust, mill scale, paint, lacquer and protective coatings. Blow all joints free of loose particles.

B. Use no cleaning solvents which leave residue. Wipe joints free of solvent using clean, dry white cloths or white lintless paper. Do not permit solvent to air dry.

C. Follow the Manufacturer's directions for products and surfaces.

3.03 INSTALLATION:

A. Unless otherwise required by these Specifications, install materials in strict accordance with Manufacturer's specifications and recommendations using approved equipment.

B. Usage:

1. Use butyl sealant for all interior static joints not otherwise noted.2. Use interior type silicone sealant for caulking around ceramic tile and similar conditions

(vertical surfaces).


3. Use exterior type silicone sealant for all joints not otherwise noted or specified.

C. Prime surfaces as recommended by manufacturer immediately prior to caulking or sealing. Make preliminary tests to ensure that primers will not stain exposed materials or deteriorate back-up material.

D. Unless otherwise required by caulking and sealant manufacturer's specifications and recommendations, use back-up material to control caulking and sealant depths as follows (depths measured at bond face):

1. Silicone Sealants (Exterior): Make depth half of width but not less than 3/16" or more than 3/8”.

2. Do not twist or stretch preformed bead or rope type back-up material during installation.

E. At joints subject to movement, where required by nature of back-up material used or where sealant contacts back of joint, use release material between back-up material or back of joint and sealant to confine adhesion to surfaces of materials being joined. Follow manufacturer's recommendations exactly. Release material is not required over polyethylene backing.

F. Neatly tool joints to slightly concave surface using tooling agent recommended by sealant manufacturer. Repair any air pockets exposed by tooling. Tool so as to compress material and improve adhesion to surfaces joined.

3.04 PATCHING: Patch or replace defective or damaged sealants. Be responsible for damage to adjacent surfaces caused by caulking and sealant operations.

3.05 CLEANING: Clean adjacent surfaces soiled by caulking and sealing operations. Remove wet material before it "sets". Follow manufacturer's recommendations for cleaning procedures. Cleaning agents shall not stain or be injurious to exposed surfaces nor shall they be potentially dangerous to glass and metal surfaces due to wash-off by rain.

END OF SECTION


SECTION 08 51 13

ALUMINUM WINDOWS


PART 1 - GENERAL


A. Material: aluminum windows as on the drawings and specified in this section.

B. Installation: labor, tools, and material needed to install aluminum windows.

C. Glass and glazing.

1.04 RELATED SECTIONS - Section 07 92 00 – Caulking and Sealants

1.05 REFERENCES

A. AAMA - American Architectural Manufacturers Association – www.aamanet.org

1. AAMA/WDMA/CSA 101/I.S.2/A440-05 “Standard/Specification for Windows, Doors, and Unit Skylights”

2. AAMA 502-08 "Voluntary Specification for Field Testing of Newly Installed Fenestration Products"3. AAMA 611-98 "Voluntary Specification for Anodized Architectural Aluminum" 4. AAMA 701/702-04 "Voluntary Specification for Pile Weatherstripping and Replaceable

Fenestration Weatherseals” 5. AAMA 800-07 "Voluntary Specifications and Test Methods for Sealants"6. AAMA 904-01 “Voluntary Specification for Multi-Bar Hinges in Window Applications”7. AAMA 910-93 “Voluntary ‘Life Cycle’ Specifications and Test Methods for Architectural Grade

Windows and Sliding Glass Doors”8. AAMA 1503-98 "Voluntary Test Method for Thermal Transmittance and Condensation Resistance

of Windows, Doors, and Glazed Wall Sections"9. AAMA 2603-02 “Voluntary Specification, Performance Requirements and Test Procedures for

Pigmented Organic Coatings on Aluminum Extrusions and Panels”10. AAMA 2604-05 “Voluntary Specification, Performance Requirements and Test Procedures for High

Performance Organic Coatings on Aluminum Extrusions and Panels”11. AAMA 2605-05 “Voluntary Specification, Performance Requirements and Test Procedures for

Superior Performing Organic Coatings on Aluminum Extrusions and Panels” 12. AAMA CW-10-04 "Care and Handling of Architectural Aluminum from Shop to Site"

B. ASTM - American Society for Testing and Materials – www.astm.org

1. ASTM E 283-04 "Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen"

2. ASTM E 330-02 "Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights, and Curtain Walls by Uniform Static Air Pressure Difference"

3. ASTM E 331-00 "Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference"

4. ASTM E 547-00 “Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Difference”

5. ASTM E 2190-02 "Standard Specification for Insulating Glass Unit Performance and Evaluation"

MT. DIABLO UNIFIED SCHOOL DISTRICT ALUMINUM WINDOWSSECTION 08 51 13-1

C. IGCC – Insulating Glass Certification Council – www.igcc.org

D. SGCC – Safety Glazing Certification Council – www.sgcc.org

1. ANSI Z97.1-04 “American National Standard for Safety Glazing Materials used in Buildings – Safety Performance Specifications and Methods of Test”

2. 16 CFR 1201 “Consumer Product Safety Commission Safety Standard for Architectural Glazing Materials – codified at Title 16, Part 1201 of the Code of Federal Regulations”

1.06 SYSTEM DESCRIPTION

A. AAMA Designation: Clerestory - AP-AW80.Fixed - AW-PG80-FWEgress - AW-PG80-CTilt-Turn - DAW-AW50

B. Windows: Clerestory - 2-1/4" frame depth; extruded aluminum with integral structural polyurethane thermal break installed by the window manufacturer; vent flush with frame; equal-leg frame; finish applied by the window manufacturer; frames and vents assembled by the window manufacturer.Fixed - 3-1/4" frame depth; extruded aluminum with integral structural thermal break made with glass-reinforced nylon strips installed by the window manufacturer in the frame members; equal-leg frame; exterior and interior finishes applied by the window manufacturer; frames assembled by the window manufacturer.Egress - 3-1/4" frame depth; extruded aluminum with integral structural thermal break made with glass-reinforced nylon strips installed by the window manufacturer in the frame and vent members; equal-leg frame; exterior and interior finishes applied by the window manufacturer; frames and vents assembled by the window manufacturer.Tilt-Turn - 3-1/4" frame depth; extruded aluminum with integral structural thermal break made with glass-reinforced nylon strips installed by the window manufacturer in the frame and vent members; equal-leg frame; exterior and interior finishes applied by the window manufacturer; frames and vents assembled by the window manufacturer.

C. Configuration: Clerestory - project out/awning; single vent per frame.Fixed – fixedEgress - casement outswing; overlap vent; single vent per frame. Tilt-Turn - dual action window; overlap vent; single vent frame.

D. Clerestory vent glazing: exterior 2-part structural silicone; 1" insulating glass; silicone heel bead; EPDM gasket threaded in interior aluminum glazing bead; glass description in paragraph 2.04; glazed by the window manufacturer.

E. Fixed Glazing: exterior aluminum glazing bead; exterior open-cell foam encased in black thermoplasticelastomer (TPE) for UV stability; 1” insulating glass; interior 2-part structural silicone; glass description in paragraph 2.04; glazed by the window manufacturer.

F. Egress Glazing: exterior aluminum glazing bead; exterior open-cell foam encased in black thermoplastic elastomer (TPE) for UV stability; 1” insulating glass; interior 2-part structural silicone; glass description in paragraph 2.04; glazed by the window manufacturer.

G. Tilt-Turn Glazing: exterior aluminum glazing bead; exterior open-cell foam encased in black thermoplastic elastomer (TPE) for UV stability; 1” insulating glass; interior 2-part structural silicone; glass description in paragraph 2.04; glazed by the window manufacturer.

1.07 PERFORMANCE REQUIREMENTS

A. Clerestory - Conformance to AP-AW80 specifications in AAMA/WDMA/CSA 101/I.S.2/A440-05 when tests are performed on a 60" x 36" minimum frame size with the following test results:


1. Air Infiltration: after the AAMA 910-93 life cycle test, meet AAMA 101 standard of maximum .1 cfm/square foot when tested per ASTM E 283-04 at a static air pressure difference of 6.2 psf.

2. Water Penetration: after the AAMA 910-93 life cycle test, no uncontrolled water leakage when tested per ASTM E 331-00 and ASTM E 547-00 at a static air pressure difference of 12 psf.

3. Uniform Deflection: no more than L/175 when tested per ASTM E 330-02 at a static air pressure difference of 80 psf.

4. Uniform Structural: window to be operable, and maximum .2% permanent deformation per memberwhen tested per ASTM E 330-02 at a static air pressure difference of 120 psf.

5. Thermal testing per AAMA 1503-98, at the prescribed 48" x 72" test size glazed with 1” insulating glass made with exterior 1/8” clear glass, plain air in airspace, and interior 1/8” hard coat low E glass, with the following test results:

1. Condensation Resistance Factor: minimum 50 frame and 54 glass CRF.2. Thermal Transmittance: maximum .50 BTU/HR/SQ.FT/°F U value.

B. Fixed - Conformance to AW-PG80-FW specifications in AAMA/WDMA/CSA 101/I.S.2/A440-08 when tests are performed on the prescribed 60" x 99" minimum test size with the following test results:

Air Infiltration: meet AAMA 101 standard of maximum .1 cfm/sq ft of area when tested per ASTM E283-04 at a static air pressure difference of 6.2 psf.

Water Penetration: no uncontrolled water leakage when tested per ASTM E 331-00 and ASTM E 547-00 at a static air pressure difference of 15 psf.

1. Uniform Deflection: no more than L/175 when tested per ASTM E 330-02 at a static air pressure difference of 80 psf.

2. Uniform Structural Load: no glass breakage or permanent damage to fasteners, and maximum.2% permanent deformation of the span of any frame member when tested per ASTM E 330-02 at a static air pressure difference of 120 psf.

3. U Value Simulation: thermal computer simulation per NFRC 100-04, at the prescribed 48" x 60" Non-Residential Size, glazed with 1” insulating glass made with 1/8” glass with a soft low E coating on the #2 surface of the exterior lite, thermoplastic butyl spacer, argon gas, and 1/8” clear interior glass lite: Thermal Transmittance to be maximum 0.34 BTU/HR/SQ.FT/°F.

C. Egress - Conformance to AW-PG80-C specifications in AAMA/WDMA/CSA 101/I.S.2/A440-08 when tests are performed on a 36” x 60” minimum frame size with the following test results:



3. Uniform Deflection: no more than L/175 when tested per ASTM E 330-02 at a static air pressuredifference of 80 psf.

4. Uniform Structural: window to be operable, and maximum .2% permanent deformation per member when tested per ASTM E 330-02 at a static air pressure difference of 120 psf.

5. U-Value Simulation: thermal computer simulation per NFRC 100-04, at the prescribed 24" x 60"Non-Residential Size, glazed with 1” insulating glass made with exterior 1/8” soft coat low E glass, thermoplastic butyl spacer, argon gas, and interior 1/8” clear glass: Thermal Transmittanceto be maximum .42 BTU/HR/SQ.FT/°F U value.

D. Tilt-Turn Conformance to DAW-AW50 specifications in AAMA/WDMA/CSA 101/I.S.2/A440-05 when tests are performed on a 60” x 99” minimum frame size with the following test results:



3. Uniform Deflection: no more than L/175 when tested per ASTM E 330-02 at a static air pressuredifference of 50 psf.


4. Uniform Structural: window to be operable, and maximum .2% permanent deformation per member when tested per ASTM E 330-02 at a static air pressure difference of 75 psf.

5. U-Value Simulation: thermal computer simulation per NFRC 100-04, at the prescribed 47" x 59"Non-Residential Size, glazed with 1” insulating glass made with exterior 1/8” soft coat low E glass, thermoplastic butyl spacer, argon gas, and interior 1/8” clear glass: Thermal Transmittance to be maximum 0.38 BTU/HR/SQ.FT/°F U value.

1.08 SUBMITTALS

A. Shop drawings: window location chart; typical window elevations; details of assemblies, hardware, andglazing details for factory-glazed units.

B. Product data: manufacturer's specifications and test reports from an AAMA-accredited laboratory.

C. Samples: each specified finish for aluminum; other samples as requested.


A. Submit for prebid approval ten days prior to bid opening a sample window representing the bid windowexcept for color and valid test reports from an AAMA-accredited laboratory conforming to test results in Paragraph 1.07.

B. Acceptance will be by addendum only as no verbal approvals will be allowed.

C. Submit bid on prequalified products in prebid written addendum. Bidder must identify manufacturer and model of product on which the bid is based.

D. Furnish a valid AAMA “Authorization for Product Certification” indicating that the windows for the project conform to AAMA/WDMA/CSA 101/I.S.2/A440-05.

E. Furnish visible, permanent IGCC certification labels indicating conformance to ASTM E 2190-02 on insulating glass units.

F. Furnish visible, permanent SGCC certification labels indicating conformance to ANSI Z97.1-04 and/or 16 CFR 1201 on tempered glass lites, if included on the project, and laminated glass lites, if included on the project.

G. Manufacturer's warranties:

1. Windows: warrant for three year against defects in material or workmanship under normal use.2. Insulating glass units: warrant seal for ten years against visual obstruction from film formation or

moisture collection between internal glass surfaces, excluding that caused by glass breakage or abuse.

3. Paint finish: PPG Duranar™ organic finish conforming to AAMA 2605-05: warrant for fifteen yearsagainst chipping, peeling, cracking, chalking, or fading.

1.10 DELIVERY, STORAGE, AND HANDLING - Handle and protect windows and accessories in accordancewith AAMA CW-10-04 until project completion.

PART 2 - PRODUCTS

2.01 MANUFACTURERS

A. TRACO 1. Clerestory - TR-2500 Project Out Thermal Aluminum Window2. Fixed – NX-3800 Fixed Thermal Aluminum Window3. Egress – NX-3100 Casement Outswing Thermal Aluminum Window


4. Tilt-Turn – NX-3700 Dual Action Thermal Aluminum Window

B. Other acceptable manufacturers who have demonstrated a successful history of manufacturing for fifteen years equivalent products.

2.02 MATERIALS

A. Clerestory1. Aluminum extrusions: extruded by the window manufacturer from commercial quality 6063-T5

alloy; free from defects impairing strength and durability.2. Hardware: concealed stainless steel hinges conforming to AAMA 904-01 to rotate vent outward on

horizontal axis. 3. Weatherstrip: secured in extruded ports; double rows on vent perimeter; open-cell foam encased in

a black thermoplastic elastomer (TPE) skin for UV stability, low temperature flexibility, and resistance to compression set; conforming to AAMA 701/702-04.

4. Fabrication

a. Frame: joined with two stainless steel screws per corner.b. Vent: tubular members; corners mitered, gusset reinforced, and crimped.c. Frame and vent joints: sealed by window manufacturer with sealant conforming to AAMA

800-07.d. Water control: compression gasket on vent interior to utilize pressure equalization and to

allow water to drain by gravity. e. Drip cap: field-mounted on frame exterior above vent head.

B. Fixed

1. Aluminum extrusions: extruded by the window manufacturer from commercial quality 6063-T5 alloy; free from defects impairing strength and durability.

2. Frame: all members double tubular; corners mitered, double gusset reinforced, factory-sealed with sealant conforming to AAMA 800-07, and crimped.

3. Water control: frame weeps, foam baffles, and exterior hoods to allow water to drain by gravity and resist wind-driven water.

C. Egress


2. Hardware: concealed stainless steel hinges conforming to AAMA 904-01 to rotate vent outward on vertical axis; white bronze cam handles and strikes; stainless steel limit arm with release key.

3. Weatherstrip: secured in extruded ports; double rows on vent perimeter; silicone material, low temperature flexibility, and resistance to compression set; conforming to AAMA 701/702-04.

4. Frame and vent: all members double tubular; corners mitered, double gusset reinforced, factory-sealed with sealant conforming to AAMA 800-07, and crimped.

5. Water control: pressure equalization gasket on vent interior; vent and frame weeps, and exterior hoods to allow water to drain by gravity and resist wind-driven water.

6. Frame: all members double tubular; corners mitered, double gusset reinforced, factory-sealed with sealant conforming to AAMA 800-07, and crimped.

7. Water control: frame weeps, foam baffles, and exterior hoods to allow water to drain by gravity and resist wind-driven water.

D. Tilt-Turn


2. Hardware: concealed stainless steel hinges conforming to AAMA 904-01 to rotate vent inward on vertical axis; Logical Operation with first motion tilt, second motion turn inward Tradition Operation with first motion turn inward, second motion tilt]; Handle finish satin nickel; custodial handle locking out first motion.


3. Weatherstrip: secured in extruded ports; double rows on vent perimeter; silicone material, lowtemperature flexibility, and resistance to compression set; conforming to AAMA 701/702-04.

4. Frame and vent: all members double tubular; corners mitered, double gusset reinforced, factory-sealed with sealant conforming to AAMA 800-07, and crimped.

5. Water control: pressure equalization gasket on vent interior; vent and frame weeps, and exterior hoods to allow water to drain by gravity and resist wind-driven water.

6. Drip cap: field-mounted on vent exterior above frame sill.

2.04 INSULATING GLASS UNITS

A. Materials1. Spacer: extruded thermoplastic butyl with integrated desiccant.2. Spacer color: black.3. Secondary seal: silicone.4. Airspace fill: plain air.

B. Performance1. Dual seal durability: conformance to ASTM E 2190-02; visible, permanent IGCC

certification label.2. Exterior glass lite

a. Thickness: 1/4". b. Tint: Caribia.c. Type: tempered.d. Coating: soft coat low E Solarban 60 on #2 surface.

3. Interior glass litea. Thickness: 1/4". b. Tint: clear.c. Type: annealed.

2.05 FINISH ON ALUMINUM EXTRUSIONS

A. Application: on clean extrusions free from serious surface blemishes; on exposed surfaces visible when installed product's operating vents are closed.

B. Coating: PPG Duranar™ with resin containing 70% fluoropolymer; thermosetting; alternative finishes will not be acceptable.

C. Quality standard: conforming to AAMA 2605-05, including 10 years Florida exposure and 4000 hours humidity tests.

D. Pretreatment: five-stage; zinc chromate conversion coating.

E. Application: electrostatic spray and oven bake by approved applicator.

F. Coating quantity: minimum one primer coat and one color coat.

G. Dry film thickness: minimum 1.2 mils on exposed surfaces, except inside corners and channels.

H. Color: chosen from manufacturer's standards.

2.06 INSTALLATION ACCESSORIES

A. Material: extruded aluminum; nominal .062” wall; with exposed surfaces finished to match window color and finish performance; concealed fasteners; required weatherseals; designed for unrestricted expansion and contraction.


B. Exterior: preset panning.

C. Interior: two-piece snap trim.

PART 3 - EXECUTION

PREPARATION - Prepare openings to be in tolerance, plumb, level, provide for secure anchoring, and in accordance with approved shop drawings.

3.02 INSTALLATION

A. Install windows in accordance with manufacturer's recommendations and approved shop drawings withskilled craftspeople who have demonstrated a successful history of installing windows for ten years.

B. Provide required support and securely fasten and set windows plumb, square, and level without twist orbow.

C. Apply sealant per sealant manufacturer's recommendations at joints, wipe off excess, and leave exposedsealant surfaces clean and smooth.

3.03 FIELD TESTING

A. Test installed units in conformance with AAMA 502-08 minimum requirements for air and water infiltration with the window manufacturer, contractor, and owner present.

B. Select test units as directed by the owner's representative and use an AAMA-accredited laboratory provided by the owner or contractor.

3.04 ADJUSTING AND CLEANING

A. Adjust windows as necessary for smooth and weathertight operation, and leave windows clean and free of construction debris.

END OF SECTION


SECTION 09 22 36

LATHING



A. Work Included: All lathing work required for the project including:

1. Suspension and furring systems for plaster surfaces.


1. Building Insulation 07 21 00. 2. Plastering 09 24 00.3. Painting 09 90 00.

1.02 REFERENCES, CODES AND STANDARDS: The following references, codes and standards are hereby

made a part of this Section and all lathing work shall conform to the applicable requirements therein exceptas otherwise specified herein or shown on the Drawings. Nothing in the Drawings or these Specifications shall be construed as permitting work which is contrary to code requirements.

A. "Specifications for Metal Lathing and Furring", and "Technical Bulletins", all published by Metal Lath/Steel Framing Association, latest editions.

B. "Reference Specifications for Lathing, Furring and Plastering in California", published by California Lathing and Plastering Contractors' Association, Inc., latest edition.

C. California Building Code.

1.03 FIRE-RATED ASSEMBLIES: All fire-rated plaster assemblies including materials and methods of application used, shall be approved by the Building Code.

1.4 DELIVERY AND STORAGE: Deliver materials in original packages, bundles, or rolls as applies, all properly labeled or identified as to contents and manufacturer. Protect metal items from rusting.

PART 2 - PRODUCTS 2.01 MATERIAL:

A. Suspension and Furring Channels: Cold rolled, shop primed, with following minimum weights per1000 lin. ft.:

¾” 300 lb.1-1/2” 475 lb.

B. Expanded Metal Lath: Bostwick, Milcor, National Gypsum Co., USG, Western, or approved

equal, and conforming to Fed. Spec. QQ-L-101.

1. Expanded Diamond Mesh: 3.4# diamond steel mesh, coated with rust inhibitive paint for interior applications and galvanized for exterior use.

2. Flat Rib Lalth: 3.4# flat rib steel mesh, coated with rust inhibitive paint for interior applications and galvanized for exterior use.

3. 3/8” Rib Lath: 3.4# herringbone steel mesh, coated with rust inhibitive paint for interior applications and galvanized for exterior use.

MT. DIABLO UNIFIED SCHOOL DISTRICT LATHINGSECTION 09 22 36-1

C. Paper Backing: Grade “D”, 60 min. Waterproof paper per CBC Standard or approved equal – 2

layers minimum over solid sheathing.

D. Wire Lath (Stucco Netting): Self-furring, galvanized welded wire fabric, 1-1/2” mesh, 16x16 ga. Keystone “Keymesh”, or approved equal self-furring, galvanized woven wire, 1-1/2” x 17 ga. Mesh with 18 ga. Horizontal line wires at 6” c-c and Grade “D” waterproof paper backing. Provide two (2) layers of Grade “D” paper over solid sheathing. Grade “D” paper shall be 60 minute. Lath/fabric shall furr out from vertical supports not less than 1/4” except as noted in Table 25-B, Footnote 2 of CBC.

E. Accessories:

1. Wire: Fed. Spec. QQ-W-462, Class 1, galvanized and annealed steel.a. Hangers: As per recommendations of listed References, Codes and Standards

documents for runner spans and spacings used (in general, 8 gage).b. Tie wire not otherwise specified: 18 ga. or heavier.c. Tie wire for attaching ceiling furring channels and for stud shoes at partitions:

16 ga.2. Casing Beads: 24 ga. expanded flange, square unless otherwise indicated, galvanized.3. Corner Beads: Keystone "Key Corner", galvanized. 4. Screeds: 26 ga. expanded or short flange as required, galvanized. Use drip screed or

mould at bottom of all vertical cement plaster surfaces. 5. Aluminum Plaster Moldings: Fry Corp., or approved equal, extruded aluminum with

clear finish. Fry numbers are used on Drawings to indicate profiles required. All runs shall be made up of longest metal lengths possible. Field paint before application: See Painting 09 90 00.

PART 3 - EXECUTION 3.01 CONDITION OF SURFACES: Inspect all surfaces to receive lathing materials and report all defects.

Commencing work implies acceptance of surfaces. 3.02 COORDINATION:

A. Coordinate lathing work with all other work supporting, adjoining, or fastening to same.

B. Coordinate with trades responsible for access doors and plaster frames with exact locations subject to Architect's approval.

C. Plaster moldings, reveal expansion joints, ventilating screeds and other similar trim items embedded in plaster surfaces shall be prepainted prior to installation. Coordinate with Painting 0990 00.

3.03 INSTALLATION:

A. Except where modified herein, conform to requirements of listed References, Codes and Standards and to approved manufacturer's specifications. In event of conflict,assume most stringent requirements and secure instructions from Architect before proceeding.

B. Include all non-structural welding required for proper installation of lathing work.

C. Install all accessory trim with pieces straight, aligned, plumb, and level, corners mitered and smooth. Provide outside corners in Portland cement plaster with corner beads. Provide metal plaster grounds at all edges of plasterwork. Cut lath full length at expansion and control joints. Hold metal lath 1/4" clear of all items such as electrical boxes, columns, etc., projecting through plaster surfaces. Install aluminum moldings level or plumb and aligned without offsets. Fasten with concealed galvanized fasteners at each bearing point (24" c -c max.). Lap felt over flanges to


prevent direct contact between lath and molding.

D. Metal Furring: In general, make all metal furring of cold rolled channels in accordance with requirements of References, Codes and Standard documents or of light gage, hat shaped furring channels spaced 16” o.c. max., and installed in strict accordance with manufacturer’s specifications except that light gage channels are not acceptable for horizontal furred surfaces.

E. Lathing: Where not otherwise noted or specified, weights and types of metal lath shall be in accordance with requirements of the listed References, Codes and Standards documents for sizers,spacings, and types of framing and furring members used.

1. Types and Locations:

a. Vertical Cement Plaster on Framing: Paper-backed stucco netting. Provide two (2) layers, grade D minimum, over solid sheathing.

b. Horizontal Cement Plaster (Wood Supports): Expanded diamond mesh for supports spaced 12” cc max.; 3/8” rib lath for supports spaced 24” cc max; flat rib lath for supports.

2. Lath Attachment:a. Nail expanded metal and rib lath to wood frame ceiling and soffits at 6”

intervals along each support with 1-1/2” x 11ga. barbed and galvanized roofing nails with 7/16” head or 1-1/4” x 16 ga. power driven galvanized staples at 6” cc or at ribs.b. Attach stucco netting to wood framing at 6" intervals with 1-1/2" x 11 ga. galvanized and barbed, 7/16" head roofing nails, or 7/8" leg x 16 ga. power driven, galvanized staples, attachments at furring crimps.

END OF SECTION


SECTION 09 24 00

PORTLAND CEMENT PLASTERING



A. Work Included: All plastering work required for the project to receive a paint finish.


1. Flashing and Sheet Metal 07 60 00. 2. Joint Sealants 07 92 00. 3. Lathing 09 22 36.4. Painting 09 90 00.

1.02 REFERENCES, CODES AND STANDARDS: The following references, codes and standards are hereby

made a part of this Section and all plastering work shall conform to the applicable requirements therein except as otherwise specified herein or shown on the Drawings. Nothing in the Drawings or these Specifications shall be construed as permitting work which is contrary to code requirements.

A. "Reference Specifications for Lathing, Furring and Plastering in California" published by CaliforniaLathing and Plastering Contractors' Assn., Inc., latest edition.

B. California Building Code.

1.03 FIRE RATED ASSEMBLIES: All fire rated plaster assemblies, including materials and methods of application used, shall be approved by the Building Code.

1.04 SUBMITTALS: Comply with requirements of Shop Drawings, Product Data and Samples Section 01 33

00.

A. Samples: Submit samples for approval of all textured plaster finishes, 12" x 12" minimum size for each sample.

1.05 DELIVERY AND STORAGE OF MATERIALS: Only unopened packages of material (except aggregates)bearing manufacturer's and brand names will be permitted. Store cement and lime under watertight cover away from sweating walls and damp surfaces until ready for use. Remove from site any damaged or deteriorated materials.

1.06 PROTECTION: Protect all adjacent finishes and surfaces from damage or stains during plastering operations. Where machine application of plaster is employed, adjacent surfaces shall be masked or similarly protected and all overspray and droppings removed before material sets. Particular attention shall be paid to protection of glass and metal surfaces against etching caused by alkaline materials and moisture runoff or drainage therefrom.

PART 2 - PRODUCTS

2.01 MATERIALS:

A. Stucco Finish Coat: Formulated for machine application, mill-mixed and waterproofed.

B. Lime: ASTM C 206, Type "S" finishing hydrate.

C. Portland Cement: ASTM C 150, Type II. Plastic cement not acceptable.

MT. DIABLO UNIFIED SCHOOL DISTRICT PORTLAND CEMENT PLASTERINGSECTION 09 24 00-1

D. Aggregates: Sand for Portland Cement Plaster: ANSI A 42.2, natural or manufactured sand graded

as follows: Percent Retained Each Sieve (By Weight)

Sieve Size Min. Max.#4 - 0#8 0 10#16 10 40#30 30 65#50 70 90#100 95 100

E. Fibermesh.

F. Water: Clean and potable, free of silt and impurities detrimental to plaster. 2.02 PLASTER PROPORTIONS:

A. Portland Cement Plaster:

1. Scratch and Brown Coats (By Volume): 1 part Portland Cement, 3-1/2 to 4-1/2 parts sand, 1/10 part maximum dry hydrated lime or equivalent in lime putty. Add fibermesh to scratch coat per manufacturer’s recommendations.

2. Finish Coat: Prepared finish coat requiring addition of water only, texture shall be Sand Float finish. It is essential that proportions of water material be kept constant to produce an even, uniform surface. The finish coat shall receive a painter’s finish.

3. Finish coat, existing work, new finish coat to match that of the adjacent existing finish coat.

PART 3 - EXECUTION 3.01 CONDITION OF SURFACES:

A. Inspect all surfaces to receive plaster finishes and report all defects. Starting work implies acceptance of surfaces as satisfactory.

B. Apply no plaster to concrete or masonry surfaces which have been coated with bituminous compounds or other detrimental waterproofing agents.

C. Examine all grounds, beads, screeds, etc., and determine that they are straight, curved, plumb, level or square as required.

3.02 PREPARATION: Properly prepare all surfaces to receive plaster in accord with manufacturer's directionsand the requirements of the listed References, Codes and Standards documents.

3.03 INSTALLATION:

A. General:

1. Methods of mixing and application of plaster shall conform to requirements of the listed References, Codes and Standards documents and the specifications

of particular products or systems.2. Measure all material for plastering work in calibrated measuring boxes. Shovel

measurement is not acceptable.3. Make overnight joining at natural breaking points such as vertical arises, expansion

joints, angles, and changes in plane. Each coat of plaster for an entire surface from top to


bottom and between natural breaking points shall be applied in one day.4. Where basecoat plaster finishes flush with metal frames, etc., cut plaster free

from such materials before "set". Neatly groove finish coat at such junctions.

B. Application - Portland Cement Plaster:

1. Unless otherwise noted, apply plaster on metal lath in 3 coats with a minimum thickness of 7/8", finished face to back of lath.

2. Do all leveling of scratch and brown coats of Portland Cement plaster surfaces with a straightedge (rod) only and not with a darby or float.

3. Not less than 48 hours shall elapse between application of scratch and brown coats and not less than 7 days between application of brown and finish coats.

4. Moist cure each base coat of plaster for not less than 48 hours. In hot, dry, windy weather, fog spray periodically as required to prevent dryouts, glazed areas and bloom.

5. Apply finish coats over uniformly damp surfaces free of surface water.6. Separate all structural members, outlet boxes, frames, louvers, and similar

penetrations from the plaster by a neat trowel cut.

C. Surfaces and Tolerances: Finish all exposed surfaces true and even, without objectionable waves, cracks, or imperfections. Provide plaster suitable to form proper foundation for trim, moldings, paint and other finishing materials.

3.04 PATCHING: Prior to acceptance of the project, all damage, cracks, checks, discolorations and other imperfections in the work, including damage caused by other trades and damage due to shrinkage and minor structure movements of the building, shall be cut out full depth and patched to match adjoining surfaces. Costs for repair of damage caused by other trades shall be borne by those responsible for the damage.

3.05 CLEAN-UP: Clean-up upon completion in accordance with Division 1.

END OF SECTION


SECTION 09 29 00

GYPSUM WALLBOARD



A. Work Included: Gypsum wallboard and backerboard systems as shown on the Drawings or specified herein. This Section also includes:

1. Installation of access doors in finished gypsum wallboard surfaces.2. Caulking and sealants related to gypsum wallboard systems (sound retardant

construction). 3. Cementing and taping.


1. Rough Carpentry 06 10 00. 2. Architectural Woodwork 06 40 00. 3. Building Insulation 07 21 00.4. Aluminum Windows 08 51 13.5. Painting 09 90 00. 6. Fixed Tackboard (Vinyl Covered) 10 11 23.13.7. Mechanical and Electrical Sections.

1.02 REFERENCES, CODES AND STANDARDS: The following references, codes and standards arehereby made a part of this Section and gypsum wallboard work shall conform to the applicablerequirements therein except as otherwise specified herein or shown on the Drawings. Nothing in theDrawings or these Specifications shall be construed as permitting work which is contrary to coderequirements.

A. Per Cover Sheet Drawing set.


A. Samples: Submit samples for Metal Edge Trim.

1.04 DELIVERY, HANDLING AND STORAGE:

A. Deliver materials in original packages, containers or bundles bearing brand and manufacturer's names.

B. Store materials in protected dry storage areas. Neatly stack in flat position with suitable

stickers to prevent sagging and contact with concrete slabs. PART 2 - PRODUCTS 2.01 MATERIALS:

A. Gypsum Wallboard: ASTM C 5/8" thickness unless otherwise noted. Pieces to be 4 ft. wide, lengths as required for minimum of end joints. 5/8” type “X” at fire rated assemblies. Tapered edge for finish surfaces butt edge for concealed surfaces. Water resistant where

MT. DIABLO UNIFIED SCHOOL DISTRICT GYPSUM WALLBOARDSECTION 09 29 00-1

noted.

B. Metal Edge Trim: USG 200-A, National Gypsum No. 100, or equivalent, where board edge is exposed; where edge is not exposed, USG 200-B, National Gypsum No. 00, or equivalent, may be used. Corner bead to be USG "Dur-A-Bead, 1-1/4" x 1-1/4" or National Gypsum Wallboard corner bead 1 1/8" x 1 1/8".

C. Fasteners:

1. Wood Framing - Non-Fire-Rated: Type 'W' Drywall Screws 1 1/4" Drywall Screws for 5/8" board or as recommended by gypsum wallboard manufacturer.

2. Wood Framing - Fire- Rated: 1 1/4" Drywall Screws spaced per manufacturer’s assembly approvals or as recommended by wallboard manufacturer.

3. Screw sizes given are for material applied directly to framing; where material is applied over backing, increase screw size for minimum 5/8" penetration in bearing.

4. Conform to CBC.

D. Tape and Cement: As recommended by wallboard manufacturer and meeting ASTM C 475.

PART 3 - EXECUTION 3.01 CONDITION OF SURFACES: Inspect surfaces, backing, structural systems, etc., to receive

wallboard, and report any discrepancies. Starting work implies acceptance of existing conditions. 3.02 COORDINATION:

A. Coordinate with other trades for provisions for insulation, blocking, backing, special anchors,etc., and ensure that such items are properly installed and located prior to installing wall finish.

B. Coordinate with trades responsible for furnishing access doors with exact locations subject to

Architect's approval. 3.03 INSTALLATION:

A. Erect gypsum wallboard systems in accord with applicable requirements of References, Standards and Codes Article, referenced manufacturer's specifications and governing codes. Code and manufacturer's specifications shall govern in event of conflict with Gypsum Association Standards.

B. Install wallboard plumb, level, and/or plane, applied vertically or horizontally with vertical edges and ends on bearing except that wallboard applied over sound deadening board shall beapplied vertically only. Where board is applied horizontally, "rippers", if required, shall be placed so that the cut edge is at the ceiling or floor; cut edges and ends will not be acceptable within the field of the wallboard. Properly space fastenings as per manufacturer's specifications and code requirements, with heads driven slightly below surface for proper cementing, but without breaking paper covering. Loosely butt all joints to be taped; firmly butt concealed joints to be left untreated. Stagger end joints and joints in finish material 12" (min.) with those in backing. Joints on opposite sides of partition shall occur on different studs. Install backing for finish material to present no surface imperfections in applied finish. Make holes and cutouts by sawing or by such method as will not fracture core or tear covering and with such accuracy that plates, escutcheons, trim, etc. will cover edges. Clearance for cutouts in partitions shall not exceed 1/4".

C. Caulking (Sound Control): Caulk should insulate construction as indicated on Drawings. In

addition, caulk penetrations of sound insulated construction such as conduits, pipes, ducts, registers, etc., so that such openings are sealed tight against passage of airborne sound. Holessmaller than 1" but too large to caulk shall be packed with glass fiber, sealed over with 1/16" thick sheet lead and then caulked airtight. Seal the backs of electrical boxes in sound insulated construction airtight using specified resilient sealer pads. All such caulking and


sealing shall be concealed where possible; where caulking must remain exposed, use skinningtype material and neatly tool.

D. Install metal edge trim at exposed edges and ends and all untrimmed joints between wallboardfinish and other material. Where edge trim is required at wallboard edge, and headers, studs, sill or other backing are not available for positive fastening of trim, apply trim to board with contact type of adhesive.

3.04 TAPING AND FINISHING:

A. Environmental conditions:

Control heating and ventilation during finishing operations to ensure the maintenance of 55 degree F. minimum temperature.

B. First coat:

1. Spread compound evenly over all joints, using suitable tools designed for the purpose.

2. Fill all joint recesses and metal trim.3. Center the reinforcing tape on the joint and press into the fresh compound, wiping

down with sufficient pressure to remove excess compound but leaving sufficient compound under the tape for proper bond.

4. Feather all edges and leave the surface free from blisters and tape wrinkles.5. Apply compound to all fastener recesses, leaving flush with the adjacent surfaces.6. Fold reinforcing tape along its centerline and apply to all interior angles, following

the same procedure as for joints.

C. Second coat:

1. Lightly sand the dry compound with fine sandpaper to remove all irregularities.2. Apply a second coat of compound to all joints, feathering approximately three inches

beyond edges of tape.3. Apply second coat to all fastener recesses; allow to dry.

D. Third coat:

1. Lightly sand the dry compound with fine sandpaper to remove all irregularities.2. Apply final skim coat, feathering out approximately two inches beyond second coat.3. Third coat all fastener recesses and metal trim and all interior angles; allow to dry.

E. “Smooth” finish:

1. Where smooth finish is called for on the Drawings, and where no other finish is called for on the Drawings, carefully sand the third coat to a uniformly smooth surface completely free from irregularities visible to the unaided eye at a distance of five feet.

2. In existing work – match existing finish.

3.05 GYPSUM DRYWALL; UNDER VINYL COVERED TACKBOARD AND ACOUSTICAL TREATMENT PANELS:

Apply only the “First Coat” outlined under 3.04, B on 5/8 gypsum board under all vinyl covered tackboard and Acoustical Treatment panels.

3.06 CLEANING UP:

Do not allow the accumulation of scraps and debris arising from the work of this Section but maintain the premises in a neat and orderly condition at all times; in the event of spilling or splashing compound


onto other surfaces, immediately remove the spilled or splashed material and all trace of the residue to the approval of the Architect.

END OF SECTION


SECTION 09 90 00

PAINTING

PART 1 - GENERAL

1.01 DESCRIPTION:

A. Work included: Surface preparation, paint and finish the exterior and interior exposed surfaces listed on the Painting Schedule in Part 3 of this Section, and a high grade as recommended by the paint manufacturer for unlisted surfaces, as specified herein and as needed fro a complete and proper installation. All exposed surfaces interior and exterior that do not have a factory finish shall be painted unless noted otherwise. A galvanized coating is not considered a factory finish for the purpose of this section.

1.2 REFERENCES:

A. ANSI/ASTM D16 – Definitions of Terms Relating to Paint, Varnish, Lacquer, and Related Products.

B. ASTM D2016 – Test Method for Moisture Content of Wood.C. State of California Department of Transportation Standard Specifications, Latest Edition.D. Regulation 8, Rule 3, of Bay Area Air Quality Management District as it pertains to organic

compounds and Architectural coatings.

1.3 DEFINITIONS:

A. Conform to ANSI/ASTM D16 for interpretation of terms used in this Section.


A. Product Manufacturer: Company specializing in manufacturing quality paints and finish products with 10 years experience.

B. Applicator: Company specializing in commercial painting and finishing with 5 years documented experience approved by product manufacturer.

C. Workmanship shall be of highest quality in all respects.D. Apply paint materials in accordance with manufacturers’ specifications and recommendations.E. Environmental Conditions: Surfaces are to be painted only when free from moisture. No

painting is to be preformed when temperature is below 50 degrees F, except when specificallydirected otherwise in writing by the Owner.

1.5 REGULATORY REQUIREMENTS:

A. Conform to applicable code for flame/fuel/smoke rating requirements for finishes.B. Conform to Bay Area Quality Management District requirements.


A. Submit product data for the following items to District for review and approval:

1. List of materials to be used:a. Surface Cleaning Materials.b. Surface Patching and Caulking Materials.c. Painting Material.

2. Manufacturer’s technical specifications, M.S.D.S. data sheets and additional information if requested for each painting material listed.

MT. DIABLO UNIFIED SCHOOL DISTRICT PAINTINGSECTION 09 90 00-1

3. Color and Finish Samples: Samples of each color and finish required. Such approved samples will constitute standards for color and finish for acceptance or rejection of completed work. Make samples 8 x 10 inches in size. Furnish six (6) samples of each color and finish. Resubmit additional samples if necessary. Samples are to be labeled on the back side with the name of the project, contractor’s name, color name, type of paint, and name of paint manufacturer.

B. On actual wood surfaces, provide two 4 x 8 inch samples of natural and stained wood finish. Label and identify each as to location and application.

C. Submit manufacturer’s application instructions.

D. Submit copy of surface moisture test results to the District.

E. Certification of factory mixed colors from paint manufacturer.

1.7 FIELD SAMPLES:

A. Provide samples under provisions in Submittals.

B. On actual wall surfaces and other exterior building components, duplicate painted finishes of prepared samples. Provide full-coat finish samples on at least 100 sq.ft. of surface, as directed. Provide additional samples if necessary to demonstrate the specified sheen, color and texture. Simulate finished lighting conditions for review of in-place work.

C. Final acceptance of colors will be from samples applied on the job.

1.08 DELIVERY, STORAGE AND HANDLING:

A. Deliver paint materials to site in manufacturer’s original unopened containers with product designation, batch numbers and date of manufacture clearly visible. District Inspector to verify.

B. Store paint materials and equipment in well-ventilated storage container provided by the contractor and in a location approved by the Owner. Receiving and opening all paint materials will be performed in this room. Keep storage space neat, clean and accessible at all times. Oily or paint filled rags will be removed and disposed of each day. No paint materials will be left unsecured.

C. Container labeling to include manufacturer’s name, type of paint, brand name, brand code, coverage, surface preparation, drying time, cleanup, color designation, and instructions for mixing and reducing.

D. Store paint materials in minimum ambient temperature of 45 degrees F, and a maximum of 90degrees F, in well ventilated area; unless required otherwise by manufacturer’s instructions.

E. Take precautionary measures to prevent fire hazards and spontaneous combustion.

1.09 ENVIRONMENTAL REQUIREMENTS:

A. Provide continuous ventilation and heating facilities to maintain surface and ambient temperatures above 45 degrees F for 24 hours before, during, and 48 hours after application offinishes, unless required otherwise by manufacturer’s instructions.

B. Do not apply exterior coatings during rain, or when relative humidity is above 80 percent.

C. Provide the District with M.S.D.S. data for all products being used, a copy of which is to be


posted at the job site.

D. Minimum Applications Temperatures for Latex Paints: 45 degrees F for interiors, 50 degrees F for exterior unless required otherwise by manufacturer’s instructions.

E. Minimum Application Temperature for Varnish and transparent finishes: 65 degrees F for interior or exterior unless required otherwise by manufacturer’s instructions.

1.10 EXTRA STOCK:

A. One (1) gallon per color.

1.11 GUARANTEE:

Provide a written guarantee covering the adherence and quality of the finish for a period of three (3) years from the date of final acceptance. Guarantee shall state that the Contractor will refinish without charge to the Owner any portion of the work, including adjacent surfaces if necessary, which evidencesblistering, peeling, chalking, change of color, or other noticeable defects within this period.

PART 2 - PRODUCTS 2.01 MANUFACTURERS:

A. Manufacturer’s catalog names and number of paint types in this Section herein are based on products of Benjamin Moore & Company, and is the standard of quality against which the District will judge equivalency. The quantity of titanium dioxide, the use of clays, aluminum silicate, talc and the purity of acrylic materials are a few of the criteria which will be used by the District in determining equivalency of materials.

2.02 MATERIALS:

A. Coatings: Factory mixed colors. Pigments shall be fully ground; maintaining a soft paste consistency capable of being readily and uniformly dispersed to a homogeneous coating.

B. Coatings: Good flow and brushing properties, capable of drying or curing free of streaks or

sags. Dry film thickness of each coat shall comply with minimum published recommenced thickness by the paint manufacturer.

C. Accessory Materials: Linseed oil, shellac, turpentine, paint thinners and other materials not

specifically indicated but required to achieve the finishes specified, shall be of commercial quality and approved by paint manufacturer.

D. All paint materials shall conform to BAAQMD Regulation 8, Rule 3.

2.03 FINISHES:

A. Refer to schedule at end of Section for surface finish schedule. Color selection packages will identify colors and applications locations for each individual site as issued by the District.

PART 3 - EXECUTION 3.01 INSPECTION:

A. Verify the substrate conditions are ready to receive work as instructed by the product


manufacturer.

B. Examine surfaces scheduled to be finished prior to commencement of work. Report any condition to the Construction Manager that may potentially affect proper application.

C. Measure moisture content of surfaces using electronic moisture meter. A maximum of two tests per Elementary School and five tests per High School will be required. Do not apply finishes unless moisture content of surfaces is below the following maximums:

1. Gypsum Wallboard: 12 percent.2. Interior Located Wood: 15 percent, measured in accordance with ASTM D2016.3. Exterior Located Wood: 15 percent, measured in accordance with ASTM D2016.

D. Inspector must review and accept substrate prior to contractor beginning installation.

3.02 GENERAL PREPARATION:

A. Prior to the start of surface preparation in any area, the following items will be completed to the satisfaction of the District Inspector:

1. Provide protective coverings for all items that are not to be painted.2. Contractor is to remove metal mesh grills where installed in front of windows and

store for future painting and reinstallation. Waterblast for cleaning, then remove window louvers or shades that obstruct the painting of surfaces behind and reinstall.

3. Surfaces not to be painted: Chain link fence, galvanized handrails, except as noted, concrete steps and paving, aluminum windows, hardware, unpainted benches and fences, and other items not presently painted. Items in question are to be brought to the attention of the Project Manager for clarification prior to bidding.

B. Methods for installation and protection of work: Provide and maintain all lifts, scaffolding,

and ladders and drop cloths required for this work. Painted and finished surfaces subject to damage or defacement due to other work on the building will be properly protected and covered. Contractor will be responsible for any and all damages to painted work and to that of other areas caused by his operation.

C. No painting or finishing will be started until the surfaces to be painted or finished are in proper condition in every respect, and approved by the District Inspector.

Surfaces to be painted will be clean, dry, sound and free of dirt, rust, grease, traffic scum, dust, loosely adhering paint, surface chalk, staples, tacks, and any other substances which might interfere with the functioning of the painting or coating system.

D. Remove electrical plates, hardware, light fixture trim, acrylic guards and fittings prior to

preparing surfaces or finishing.

E Correct defects and clean surfaces which affect work of this Section. Where wood is loose or missing, repair and paint.

F. Seal marks such as felt-tipped marking pens, etc. with Benjamin Moore’s SPS. Insure that these marks do not bleed through surface finishes.

G. Impervious Surfaces: Remove mildew by scrubbing with solution of tri-sodium phosphate andbleach. Rinse with clean water and allow surface to dry.

H. Aluminum Surfaces Scheduled for Paint Finish: Remove surface contamination by steam or high-pressure water. Remove oxidation with acid etch and solvent washing. Apply etching primer immediately following cleaning. Care must be taken to avoid etching glass. Damaged


glass will be replaced at not cost to Owner.

I. Insulated Coverings: Remove dirt, grease and oil from canvas and cotton.

J. Gypsum Board Surfaces: Latex fill minor defects with Benjamin Moore’s Lightweight Spackle #057-01. Spot prime defects after repair with Moorcraft Primer Underbody #284.

K. Galvanized Surfaces: Remove surface contamination and oils and wash with solvent. Apply coat of etching primer.

L. Uncoated Steel and Iron Surfaces: Remove grease, scale, dirt and rust. Where heavy coatings of scale are evident, remove by wire brushing or sandblasting and clean by washing with solvent. Apply a treatment of phosphoric acid solution, ensuring weld joints, bolts and nuts are similarly cleaned. Spot prime after repairs.

M. Shop Primed Steel Surfaces: Scrape, grind, and sand to remove loose primer and rust. Featheredges to make touch-up patches inconspicuous. Clean surfaces with solvent. Prime bare steelsurfaces. Prime metal items including shop primed items. Areas where all rust cannot be removed, use Benjamin Moore’s Rust Converter #M-84-00.

N. Window Glazing: Replace window glazing where glazing or putty is loose, missing, or in need of repair.

O. Exterior Wood Scheduled to Receive Paint Finish: Remove dust, grit, and foreign matter. Seal knots, pitch streaks, and sappy sections. Fill nail holes with tinted exterior Benjamin Moore’s Moorlastic 45 year caulking compound after prime coat has been applied.

P. Exterior Plaster: Allow plaster to cure for 30 days prior to painting.

Q. Metal Doors Scheduled for Painting: Paint exterior face, sides and top, and bottom edges.

R. Remove all loose nails, screws or staples, and patch accordingly.

S. Spot prime all repairs, patching and bare substrate prior to application of finish coat.

T. Metal Panels: Spot prime bare metal with Ironclad Retard-X Rust Inhibitive Latex Primer, fill dents and gouges with Bondo, spot prime patches and repairs, apply specified coats.

3.03 PROTECTION:

A. Contractor to protect all concrete walks, landscaping, floors and prefinished materials. Building fixtures and other items are not to be painted.

B. Repair damage to other surfaces caused by work of this Section.

C. Furnish drop cloths, shields, and protective methods to prevent spray or droppings from disfiguring other surfaces.

D. Remove empty paint containers from site at end of each day. 3.04 APPLICATION AND WORKMANSHIP:

A. All painting is to be performed by skilled and experienced mechanics, working under the supervision of a capable foreman. All workmanship shall be of the highest quality and to the complete satisfaction of the District Inspector. All materials shall be applied in accordance with the manufacturer’s directions and in compliance with the manufacturer’s specifications. All material shall be sprayed and backrolled, evenly brushed or smoothly rolled on without


runs or sagging, and free from drips, ridges, laps and brush marks. Ensure that all coats are thoroughly dry before applying succeeding coats. Sand surfaces and dust clean between coatsas necessary to produce a smooth finish.

B. Prime coat shall not be applied until cleaned and District Inspector has approved prepared

surfaces. Finish coat of paint shall not be applied until prime coat and patching have been inspected and approved by District Inspector. Prime coat will be tinted lighter than the finish coat.

C. Putty or caulking will be applied after surface is primed and primer is dry.

D. Concrete, stucco and plaster surfaces will not be painted until the surface is dry and contains minimum moisture.

E. Completed painted surfaces will be free of blistering, running, peeling, scaling, streaks and stains, and the colors of all surfaces will remain free from fading.

F. The finish surface for all doors will be smooth. A stipple or texture surface from rolling will not be accepted. Open all doors to paint door stiles and casings. Paint tops, bottom and edges of doors to match exterior paint schedule. Prepare doors and doorframe so as to insure properoperation after completion of painting.

G. Graphic lettering will be sized as indicated on drawings and will be solid style.

H. Refer to Section 3.06 of this section for the schedule of color-coding and identification banding of equipment, ductwork, piping, and conduit.

I. Paint shop primed equipment. Paint shop prefinished items to colors selected by School District.

J. Remove unfinished louvers, grilles, covers, and access panels on mechanical and electrical components and paint separately.

K. Replace identification markings on mechanical or electrical equipment when painted accidentally.

L. Prime and paint insulated and exposed pipes, conduit, boxes, insulated and exposed ducts, hangers, brackets, collars and supports, except where items are prefinished.

M. Paint exposed conduit and electrical equipment occurring in finished areas.

N. Reinstall electrical plates, hardware, light fixture trim, and fittings removed prior to finishing. Replace cracked or broken items.

O. Paint area behind soffit vents and similar conditions. Do not paint over insect screens except as needed to match colors.

P. Provide a total dry film thickness not less than the specified amount in the finish schedule.

3.05 CLEANING, TOUCH UP:

A. As work proceeds, promptly remove paint where spilled, splashed or splattered.

B. During progress of work, maintain premises free of accumulation of tools, equipment, surplusmaterials, and debris.

C. Collect cotton waste, cloths, and material which may constitute a fire hazard. Place in closed


metal containers, and remove daily from site.

D. When cleaning airless or electro-static spray equipment, all cleaning material to be disposed of properly by contractor. No material is to be poured down drains or into the ground.

E. Upon completion of the painting work, contractor will remove from the premises and dispose of properly all scaffolding and equipment, surplus material, empty containers, and other debris resulting from his operations. The building and surrounding areas shall be left clean and neat in all respects. Do not use school debris boxes for disposal.

F. Runs, sags, misses, holidays, stains, and other defects in the painted surfaces, including inadequate coverage and mil thickness, shall be satisfactorily touched up, refinished or repainted as necessary.

G. Contractor will leave all glass areas, stucco surfaces, floors and walls, hardware, and any other surfaces clean and free from any paint, stain, spattering, smears or smudges which are the result of his operation. Contractor will replace any glass damaged in any way by his operations. This will include all glass areas of the buildings. Special cleaning solution must be used on plastic glazing areas. DO NOT SCRAPE PLASTIC GLAZING.

3.06 SCHEDULE – EXTERIOR SURFACES:

A. Cement Plaster:1. One Prime coat Benjamin Moore All Purpose 100% Acrylic Primer #023.

Two finish coats Benjamin Moore MoorGard Low Lustre Fortified Acrylic House Paint #103.

B. Steel – Unprimed:1. One prime coat Acrylic Metal Primer (M04)

Dry Mil Film Thickness 1.5 – 2.52. One finish coat Acrylic Gloss Enamel, (M28)

Dry Mil Film Thickness 1.5 – 2.5

C. Steel – Shop Primed:1. One prime coat Acrylic Metal Primer (M04)

Dry Mil Film Thickness 1.5 – 2.52. One finish coat Acrylic Gloss Enamel (M28)


D. Steel – Galvanized:1. One prime coat Acrylic Metal Primer (M04)

Dry Mil Film Thickness 1.5 – 2.52. One finish coat Acrylic Enamel (M28)


E. Wood Siding, Fascia, Soffit and Trim:1. One prime coat Fresh Start Alkyd Primer (C024-00/04)

Dry Mil Film Thickness 1.5 (or)One prime coat Super Spec Busan 100% Acrylic Exterior PrimerDry Mil Film Thickness 1.2 as specified

2. Two finish coats Semi-Gloss # 170 Moorecraft Super Spec Latex House and Trim Paint

F. Painted Flashing, Louvers, Misc. Metals:1. One prime coat Acrylic Metal Primer (M04)

Dry Mil Film Thickness 1.5 – 2.52. One coat Acrylic Gloss Enamel (M28)



G. Metal Doors:1. One prime coat Fresh Start Alkyd Primer (C024-00/04)

Dry Mil Film Thickness 1. orOne Prime coat Acrylic Metal Primer (M04)Dry Mil Film Thickness 1.5 – 2.5 as specified

2. Two coats Acrylic Gloss Enamel (M28)Dry Mil Film Thickness 1.5 – 2.5

H. Fire Horns & Bells: RED to match existing.

3.07 SCHEDULE – INTERIOR SURFACES – as applicable:

A. Drywall – New – Flat Finish, Level 41. One Prime Coat Benjamin Moore’s Super Hide #284

Dry Mil Thickness .82. One or two Finish Coats Super Hide Vinyl Latex Flat #282

Dry Mil Thickness 1.0 each coat

B. Drywall – New – Eggshell Finish1. One Prime Coat Benjamin Moore’s Super Spec #282

Dry Mil Thickness .82. One or two Finish Coats Super Hide Eggshell Enamel #286


C. Drywall – New – Semi-Gloss Finish1. One Prime Coat Benjamin Moore’s Super Spec Enamel Undercoat #253

Dry Mil Thickness 1.12. One or two Finish Coats Super Hide Latex Semi-Gloss Enamel #283


D. Wood – New – Gloss Finish1. One Prime Coat Benjamin Moore # C024 Fresh Start Alkyd Primer

Dry Mil Thickness 1.12. Two Finish Coats M28 D.T.M. Acrylic Gloss Enamel


E. Ducts, Conduits, J-boxes, Pipes and related supports and brackets1. One prime coat Benjamin Moore M04 Acrylic Metal Primer 2. Two Finish Coats # 314 Waterborne Satin Impervo 100% Acrylic

F. Drywall – Previously Painted – Flat Finish (If existing surface is a semi-gloss finish or higher,use the Moorcraft Super Hide Primer #284 to insure good adhesion).1. One or two Finish Coats Moorcraft Super Hide Vinyl Latex Flat #282


G. Concrete Floors – Non-Painted1. Two finish coats Moore’s Latex Floor and Patio Enamel, #122. Dry thickness of 0.9

mil each coat. Follow manufacturer’s recommendations for surface preparation and finish including use of non-slip additives.

END OF SECTION


SECTION 10 11 23

VINYL COVERED TACKBOARD


PART 1 – GENERAL

1.01 DESCRIPTION OF WORK:

A. Extent of vinyl covered tackboard required is indicated on drawings and in schedules.

1. Vinyl wall covering factory applied over ½" thick fiberboard. (All vinyl covered tackboard panels shall be applied over 5/8" Gypsum Board.)


1. Carpentry 061000.2. Architectural Woodwork 064000 .3. Windows 085123.4. Gypsum Board 092900.5. Mechanical and Electrical Sections.


A. Manufacturer:

1. Provide each type of tackboard as produced by a single manufacturer including recommended primers, adhesives, and sealants.

B. Installer:

1. A firm specializing in tackboard work and with not less than three years ofexperience in installing vinyl covered tackboard similar to those required for thiswork. The mechanic installing board shall provide examples of similar successfulprojects.

C. Fire hazard classification:

1. Provide materials bearing UL label and marking, indicating fire hazardclassification of wall covering, as determined by ASTM E 84.

D. Provide materials with the following fire hazard classification:

1. The flame spread rating of the vinyl cover shall be Class 1 with a flamespread rating of not more than 25.2. The ½" thick tackboard underlayment shall be Class 3 rated, flame spreadrating of 76 or less.

1.03 SUBMITTALS: Comply with requirements of Shop Drawings, Product Data and Samples Section01340.

A. Product Data:

1. Submit manufacturer's technical data and installation instructions.

B. Samples:

1. Submit samples of each type of tackboard illustrating range of color andpattern variation; submit sets of sample moldings.

MT. DIABLO UNIFIED SCHOOL DISTRICT VINYL COVERED TACKBOARDSECTION 10 11 23-1

C. Certification:

1. Submit manufacturer's certification that all materials furnished for thework comply in all respects with requirements specified.

1.04 DELIVERY AND STORAGE:

A. General:

1. Comply with instructions and recommendations of manufacturer and as hereinspecified.

1.05 JOB CONDITIONS:

A. Maintain constant minimum temperature of 60 degrees F (16 degrees C) at areas ofinstallation for a least 72 hours before and 48 hours after application of materials.

B. Illuminate areas of installation using building's permanent lighting system; temporarylighting alone will not be acceptable.

PART 2 - PRODUCTS

2.01 MATERIALS:

A. Vinyl Covered Tackboard:

1. General:a. Comply with FS CC-W-408 for vinyl types required, and comply with

requirements specified herein.2. All vinyl wall covering shall be medium duty (VWC-MD), Type I, total weight not

less than 9.5 oz. per sq. yd., vinyl coating not less than 7 oz. per sq. yd., fabricbacking of osnaburg or drill.

3. Color-pattern/texture:a. Burlap pattern.b. Color selected from manufacturer's standard colors.

c. All colors shall be as selected by Architect from themanufacturer's standard range of colors. Colors will be limited to not morethan four vinyl covered tackboard colors in the total work.

4. Manufacturer:a. Provide vinyl tackboard panel covering produced by the following, (or an

approved equal):

Chatfield-Clarke Company; 14614 Valley Boulevard; Fontana, California,92335, (909) 823-4297

B. Accessory items:

1. Adhesives:1. Provide manufacturer's recommended adhesive, primer, and sealer,

produced expressly for use with selected wall covering on substrate as shown on drawings. Provide materials which are mildew-resistant and non-staining.

2. Provide edge moldings around door and window frames and around allother building features which penetrate vinyl covered tackboard (such asfire extinguisher cabinets).

3. Edge moldings shall be covered with factory applied veneer to match colorand texture of vinyl wall covering.

4. Provide edge moldings at the bottom of tackboard panels where shown inthe detail drawings.

5. Provide vinyl covered tackboard over 5/8" type "X" gypsum board wherenoted.


6. Panel sizes: 8, 9, or 10 foot lengths; depending on ceiling ht; width of 48-inches minimum cut panel size in any direction

PART 3 - EXECUTION

3.01 INSPECTION

A. Installer must examine substrates and conditions under which vinyl covered tackboard is tobe installed and must notify the Contractor in writing of conditions detrimental to proper andtimely completion of work. Do not proceed with work until unsatisfactory conditions havebeen corrected in manner acceptable to Installer.

3.02 PREPARATION

A. Acclimatize board materials by removing from packaging in area of installation not less than24 hours before application.

B. Remove switchplates, wall plates, and surface-mounted fixtures in areas where board is to beapplied.

3.03 INSTALLATION

A. All vinyl wall covering shall be factory installed on ½" thick tackboard.

B. Corners of edge moldings around doors and windows shall be carefully cut at 45 degrees toprovide tight fitting mitered corners. Sloppy corners will not be permitted. Putty fill of gapsis not acceptable.

C. Provide "corner moldings" at outside corners.

D. Apply glue to backside of panels or to gypsum board in a uniform coat completely coveringentire surface. Provide all temporary bracing required to ensure that vinyl covered tackboardis totally adhere to gypsum board underlayment.

E. Cut the fiberboard backing, where required, so that the vinyl covering is left longer than thebacking. Wrap the vinyl around the cut surface and glue. All finished panels shall have alledges wrapped.

F. Where vinyl covered tackboard is to be covered with rubber base the maximum "gap"between concrete slab and tackboard shall be 3/8" the minimum "gap" shall be 1/8" (toprevent moisture from wicking up into tackboard). Provide non porous (metal or hardwood)backing for rubber base in resulting gap.)

G. Tackboard shall extend behind all blackboards and future cabinet work. Tackboard shall notextend behind cabinet work that is part of this contract unless Drawings say otherwise.

3.04 ADJUST AND CLEAN

A. Replace removed plates and fixtures; verify cut edges of wall coverings are completelyconcealed.

B. Remove surplus materials, rubbish, and debris resulting from wall covering installation uponcompletion of work, and leave areas of installation in neat, clean condition.

C. Remove and re-glue any panels which show movement when "pushed" toward wall plain.

END OF SECTION


MDUSD STANDARD SPECIFICATION

GENERAL PLUMBING

Section 22 00 00

1.01 INTRODUCTION:

A. All work shall be coordinated with water, gas, sanitary sewer and other services on the site.The locations of points of connection to the site services shall be confirmed prior tocommencement of any and all work required under this Section of the specification.

1.02 DESCRIPTION:

A. This specification establishes the required standards for all labor, materials, equipment, andworkmanship in connection with the furnishing, fabrication, and installation of"Plumbing". Plumbing work includes, but is not necessarily limited to, the following items ofwork:

1. A complete system of soil, waste, vent and sanitary sewer piping and structures including connection of same to public sanitary sewer/s located as indicated on the Drawings.

2. Cold water distribution system complete from point/s of contact located as indicated on theDrawings, to all plumbing fixtures scheduled for service on the Drawings.

3. Hot water distribution system complete from serving water heaters and/or point/s of contactwith site domestic hot water, to all plumbing fixtures, mechanical equipment, buildingspecialties, and Owner supplied equipment scheduled for service on the Drawings.

4. Flashing of all plumbing pipe penetrations through exterior walls, roofs, and foundations.Sheet metal and lead flashings for pipe penetrations through roofs shall be furnished by thePlumbing Contractor and installed by the appropriate roofing contractor.

5. Flashing of all plumbing pipe penetrations through exterior walls, roofs, and foundations.

6. Excavation and backfill as required for the work of this Section in conformity with "Earthwork".

7. Rough in and connection of all fixtures and/or equipment furnished by the Owner and/or Tenant.

8. Final connection of water to equipment furnished under other Sections.

9. Protection of all piping, specified herein and/or shown on the drawings, from freezing.

Buried piping shall be a minimum of 12" below the local frost line, and above grade piping

in unconditioned areas shall be insulated.

10. Testing and adjusting of all piping systems and equipment herein specified.

11. Sterilization of domestic water systems.

12. Pipe wrapping and insulation.

13. Should any work or material not be included in the Drawings or Specifications, but is nevertheless necessary for the proper execution of the stated scope therefore for full compliance with codes, laws, rules and regulations, the Contractor shall understand such work and/or material is required, and he shall perform all such work and furnish such material as fully as if it were particularly delineated or described.

1.03 RELATED WORK SPECIFIED IN OTHER SECTIONS: A.

Line voltage wiring: See "Electrical".

B. Finish painting.

PAGE 1 / 8PLUMBING


1.04 TESTING, INSPECTIONS:

E

1.06 ADJUSTING:

A. Properly adjust all stops, and controls, and demonstrate safe and satisfactory operation of all equipment.

1.07 CLEANUP:

A. Upon completion of the work of this Section, remove all surplus material, debris, and equipment associated with or used in the performance of this work.

PAGE 2 / 8PLUMBING

A.1.

General:This Contractor shall not allow or cause any work of this Section to be covered or enclosed until ithas been inspected, tested, and approved by the Architect and the authorities having jurisdictionover the Work. Should any of this work be enclosed or covered up before such inspection, testing,and approval, this Contractor shall uncover the work, have the necessary inspections, tests, andapprovals made and, at NO expense to the Owner, make all repairs necessary to restore both hiswork and that of other contractors which may have been damaged to be in conformity with theContract Documents.

B. Tests:1. This Contractor shall make all tests required by all local, state, and federal laws, codes,

ordinances, and regulations having jurisdiction over this work.2. Furnish all necessary labor, materials, and equipment for conducting tests, and pay all expenses in

connection therewith. Should leaks develop while testing, repairs shall be made, and tests shall berepeated until a satisfactory test is obtained.

3. Water Piping: Shall be hydrostatically tested for six (6) hours at 150 psi. All equipment shall be tested water tight at utility pressure.

4. Drainage and Vent Piping: Shall be tested for (1) hour by plugging all outlets and filling the pipes with water to the top of vertical sections of pipes. No loss of water shall be permitted.

1.05 WAT R SYSTEM STERILIZATION:

A. Upon completion of this work, the domestic water system shall be thoroughly flushed, sterilized and reflushed. Sterilization and reflushing shall be performed using the following procedure:

1. All work shall be performed in the presence of the inspector.2. Introduce chlorine or a solution of sodium hypochlorite, filling the lines slowly and supplying the

sterilization agent at a rate of 50 parts of chlorine per million, as determined by residual chlorine tests at the ends of all branches. Open and close all valves while the system is being chlorinated to insure uniform distribution.

3. After the sterilizing agent has been applied for 24 hours, test for residual chlorine at the ends of thebranches. If less than 5 PPM is indicated, repeat the sterilization procedure.

4. When tests show at least 5 PPM of residual chlorine, flush out the system until all traces of thechemical are removed.

B. After a period of 48 hours minimum, bacteriological tests, using samples from at least 3representative points, shall be made by recognized testing agency, who shall certify to theArchitect that the system is bacteriologically safe and at least equal in safety to that of the principalwater supply. The laboratory report and certification shall be transmitted to the Architect.


COMMON WORK RESULTS FOR PLUMBING Section 22 05 00

1.01 GENERAL:

A. Only specified materials shall be utilized in the work of this Section unless substitutions havebeen approved in accordance with "Substitutions and Product Options".

B. materials shall be new, of the best quality for the intended use, shall be listed by the ASA, AGA,UL, as meeting their requirements and bearing their label wherever standards have beenestablished and label services are regularly furnished by them.

C. Tracer wire shall be installed with all non-metallic piping below grade. Tracer wire shall be solidcore copper, 14 gauge minimum, laid continuously along pipes. Wire shall be "ty-wrapped" topipe at eight (8) feet on center. Tracer wire shall terminate in concrete access boxes at thebeginning and terminal ends of the buried pipe.

1.02 PIPE, FITTINGS:

A. Underground Soil, Waste, Drain, and Vent Pipe: Standard weight, hot-coated, cast iron soil pipeand fitngs, with "Tyseal" or approved MG mechanical joints.

B. Underground Soil, Waste, Drain, and Vent Pipe: Schedule 40 PVC/DWV with drainage pattern,solvent welded fitngs meeting the requirements of ASTM D-2665. Because of the highlycorrosive nature of the native soil at the project site, no steel or cast iron pipe shall be usedbelow grade.

C. Above Ground Soil, Waste, Drain, and Vent Pipe: Lines 2" and larger shall be standard weight,hub-less, cast iron soil pipe and fittings, with "no-hub" joints. Joints shall have neoprene gasketsand stainless steel bands. Lines under 2" shall be galvanized steel pipe with threaded cast irondrainage fittings; AT the option of this Contractor, all soil, waste, and vent piping above groundmay be DWV copper with wrought copper fittings with "Stay-Safe 50" lead free solder and asuitable non-corrosive flux.

D. Pipe and fittings shall meet the following ASTM and UL standards:

Test Results Standard

Time of Burning <5 sec D 635

Extent of Burning <5 mm D 635

Burning Class V2 UL 94

Max. Smoke Density 62.0 D 2843

Density Rating 40.1 D 2843

Oxygen Index 28% D 2863

E. Hot, Cold Water Piping: All domestic cold water piping 3" and smaller shall be Type L, hardtemper, copper pipe with wrought copper or cast brass solder joint fitngs. All joints shall bemade up with "Stay-Safe 50" lead free solder. A suitable non-corrosive flux shall be used at alljoints.

1. Pipes below grade inside buildings shall be sof drawn, Type L or K copper with no joints below slabs. Pipes shall be sleeved with 20-mil plastic sheathing.

2. Hot water and tempered water supply and return piping below grade shall be Ric-wil "Copper-Gard", pre-insulated piping systems. Carrier pipes shall be Type L copper, outer jacket shall be

PAGE 3 / 8PLUMBING


PVC, and insulation shall be closed cell polyurethane foam, which shall completely fill the annular

space between carrier pipe and outer sleeve.

F. Indirect Waste Piping: Shall be Type M, hard temper, copper with wrought copper or cast brass

fitngs. Joints shall be made up with "Stay-Safe 50" lead free solder.

UNIONS:

A. Steel Pipe: Shall be malleable iron, 150 lb., ground joint, Grinnell Fig. 463.

B. Copper Pipe: Shall be soldered joint, Nibco series 633 or 733, Mueller, or equal. C.

Dielectric: Shall be EPCO, Plico, or equal.

SLEEVES, WALL PLATES:

A. Service Pipe Through Exterior Walls, Roofs: Crane StyleBC wall and ceiling plates; chrome plated at

finished rooms.

B. Pipes Through, Under Footings: 18 gage iron sleeves, two diameters larger than pipe, cast in

concrete, annular space filled with mastic or plastic bituminous cement.

C. Pipes through fire rated walls shall be protected with fire retardant mastic as detailed on the

drawings. Installation shall be in full accordance with the requirements of the UL system number.

Hilti or approved equal.

D. Crane Style BC, or equal, wall and ceiling plates; chrome plated at finished rooms.

E. Pipes through floors, interior concrete walls, and through fire rated walls and smoke stop partitions:18 gage iron sleeves, two diameters larger than pipe, annular space filled with 3M Brand FireBarrier CP-25 caulk.

F. Pipes through 1-hour walls shall be protected with fire retardant mastic as detailed on thedrawings. Installation shall be in full accordance with the requirements of the UL system number. Hiltior approved equal.

SHOCK ABSORBERS:

A. Zurn "Shoktrol", stainless steel bellows. Install with gate valve shut-of and access door at all flush

valves or other automatic valves. A single unit sized in accordance with the manufacturer’s

recommendations may serve batteries of valves.

ACCESS DOORS:

A. Where construction is not inherently accessible, provide adequately sized and conveniently locatedaccess doors in ceilings, walls and furring for servicing valves, equipment, etc.

B. Access doors shall be Karp, Milcor or equal. Prime coated steel for all surfaces except ceramic tile.Style KDW for gypsum board surfaces, Style PL for plaster surfaces, Style 210 for acoustic tile surfaces,Style DSC 214-M satin finish stainless steel at ceramic tile surfaces and Style "Fire Rated" at ratedceilings and walls. 10" x 10" minimum size, larger sizes as required. Locks shall

be flush, screwdriver operated. Access doors for laboratory zone shut-of valves in Building "D"

shall have pull rings in lieu of flush locks.

STRAINERS:

A. Wilkins YSBR100 "Y" strainer, all bronze body with #100 monel screen, or equivalent C.M. Bailey.

THERMOMETERS:

PAGE 4 / 8PLUMBING


A. Weksler "Adjust-Angle, or equivalent Weiss, with separable sockets and 6" minimum scale reading30-240F.

VALVES, SPECIALTIES Section22 05 23

A. Gate Valves: 3" and smaller shall be Nibco T-134, bronze body, union bonnet, rising stem, solidwedge, 150 lb. with wheel handle. Valves larger than 3" shall be Nibco F-617-0, iron body, boltedbonnet, outside screw and yoke, solid wedge, 125 lb. with wheel handle.

B. Ball Valves: Watts B-6080, bronze body, full port, two piece, lever handle, 400 lb. WOG.

C. Ball Valves: Nibco T-580, bronze body, "Ring Ball", conventional port, two piece, lever handle, 125 lb.

D. Relief Valves: Water heater temperature/pressure relief valve, Watts M&M, or equal, with ASMErating, and AGA certified design. Set at 125 psi and 210F.

HANGERS, SUPPORTS

Section22 05 29

A. Installation of piping shall be such that damage cannot result through loading, expansion or

contraction of piping. Anchors shall be installed to obtain uniformity of pipe movement.

B. Pipe supports shall be spaced sufficiently close to support pipes properly without formation of

pockets. Hangers shall be installed at ends of mains and branches and maximum intermediate

spacing shall be as follows:

MAXIMUM SPACING, *FEET MAXIMUM ROD DIAMETERPipe Ø, Inches Pipe Ø Rod Ø

1 ” & L ess 1-1/ 4 ” & Mor e Inch es Inch es

Steel 8 10 2 & Less 3/8

Copper 6 8 2-1/2 to 3 1/2

Cast Iron 5 (1 min. per length & fitng) 4 & larger 5/8

* Shortest spacing specified determines trapeze spacing.

C. Pipe hangers shall be Superstrut, B-Line, or equivalent Grinnell. All hangers shall be

electro-chromate finished.

D. Steel pipe, cast iron soil pipe: C-711 pipe hangers.

E. Copper tubing: C-711 copper tube hanger complete with C-716 isolator.

F. Insulated pipe: C-711 pipe hanger fitted to outside of insulation with C-790 galvanized shields. G.

Hanger rods: Shall have electro-galvanized finish.

H. Trapeze hangers: Grouped pipes may be supported by A-1200 channel bolted to rods. Copper andsteel pipe shall be attached to channels with A-716 "Cush-A-Clamp", insulated pipes shall have C-790 galvanized shields. Cast iron soil pipe shall be supported with C-711 pipe hangers with rodsattached to the bottom of channels.

I. Point of support connectors:1. Wood construction: 540 side beam hanger for stationary pipes; S-541 for pipes subject to

movement.PAGE 5 / 8PLUMBING


2. New concrete construction: 452 inserts.

3. Steel beams: Series 500 beam brackets.

4. Plywood decks: Machine bolts, nuts and washers.

5. Concrete construction: Hilti "Kwik-Bolt", three piece, drilled in anchors.

6. Vertical pipe risers: Vertical pipe risers shall be securely supported with C-720 pipe clamps(C-720P for bare cold water pipe) anchored to construction.

J. Provide resilient mounting for domestic water piping. Thermal insulation may serve as resilientmounting for insulated piping.

K. Suspended water piping shall be anchored with steel struts installed at midpoint of each run. L.

No valve or piece of equipment shall be used to support piping.

CLEANOUTS

Section22 05 76

A. Cleanouts in membrane dampproofed floors shall have flashing flange and membrane clamp;plugs shall be bronze, with cast iron body ferrule for cast iron pipe.

B. Floor (FCO): adjustable floor cleanout, dura-coated with gas and water-tight, bronze, taper thread,

plug, and round scoriated top adjustable to finished floor.

C. Grade (COTG) Housing to be dura-coated cast iron body with integral anchor flange and scoriated

cover with lifing device. Cleanouts in un-paved areas shall be set in 18" x 18" x 4" concrete pads.

D. Wall (WCO): polished chrome plated bronze wall plate and frame for copper tubing; dura-coatedwith gas and water-tight, bronze, taper thread plug and round smooth stainless steel access coverwith securing screw. For cast iron pipe; round stainless steel wall access cover complete with securingscrew and bronze raised hex head plug for steel pipe.

E. Accessible: dura-coated with gas and water-tight, bronze, taper thread plug for cast iron pipe;bronze, raised head, cleanout plug for steel pipe.

SCHEDULE FOR PLUMBING Section22 06 00

ELECTRICAL WATER HEATERSSection22 06 30.13

A. Rheem as scheduled and detailed on the Drawings.

PIPE INSULATIONSection 22 07 00

A. All insulation shall have composite (insulation, jacket and adhesive used to adhere the jacket to the insulation) Fire and Smoke Hazard ratings as tested under procedure ASTM E-84, NFPA 255 or UL

723, not exceeding:

1. Flame Spread 25

2. Smoke Developed50

PAGE 6 / 8PLUMBING


B. Insulation shall be applied in complete accordance with the manufacturer's published installationinstructions on clean, dry surfaces. All insulation shall be continuous through wall and ceilingopenings and sleeves. All joints shall be firmly butted together and longitudinal jacket laps and buttstrips shall be smoothly secured. Specified adhesives, mastics and coatings shall be applied at themanufacturer's recommended minimum coverage per gallon.

C. Inserts shall be installed at outside hangers. Inserts between the pipe and pipe hangers shallconsist of rigid pipe insulation of thickness equal to the adjoining insulation. Inserts shall not beless than 10" long for pipe sizes through 2½" and not less than 12" long for pipes larger than 2½".

D. Metal shields shall be applied between hangers or supports and the pipe insulation. Shields shall beformed to fit the insulation and shall extend up to the centerline of the pipe and the lengthspecified for hanger inserts.

E. Insulate all hot water supply piping, all hot water return piping, all tempered water supply pipingand all tempered water return piping with Manville "Micro-Lok" 650, Fiberglas, Certainteed, orequal, rigid fiberglass one-piece pipe insulation. Insulation for all exposed piping shall be coveredwith Zeston; PVC jacketing and fitng covers. PVC jackets shall be 20 mils thick and shall bebonded with Zeston Perma-Weld adhesive to meet USDA requirements. All piping exposed to theweather shall be finished with aluminum jacketing with a laminated moisture retarder. Aluminumjacketing shall be overlapped 2 to 3 inches and held in place with stainless steel bands to form aweather tight system. Elbows and tees shall be fitted with matching aluminum fitng covers.

F. Insulate all hot water supply piping, all hot water return piping, all tempered water supply pipingand all tempered water return piping with Manville "Micro-Lok" 650, Fiberglas, Certainteed, orequal, rigid fiberglass one-piece pipe insulation with and all purpose jacket. Jackets shall beconstructed of high density, white kraf bonded to aluminum foil with fiberglass yarn with a pressuresensitive closure system. Adhesives or staples will not be required to seal the jacket and buttstrips. Fittings shall be covered with Zeston, insulated, PVC fitng covers. Insulation for all

exposed piping and all piping in crawl spaces shall be covered with Zeston, PVC jacketing. PVC

jackets shall be 20 mils thick and shall be bonded with Zeston Perma-Weld adhesive.

G. Insulation thickness shall be as follows:

1. Piping runouts in walls: ½"

2. All piping 1" and smaller: ½"

3. All piping 1¼" through 2": 1"

4. All piping 2½" and larger: 1½"

VIBRATION AND SOUND CONTROLSection22 05 48

A. Make all necessary provisions to prevent the transmission of vibration to the building structure andthe passage of noise from the equipment rooms to other rooms. Provisions shall include: vibrationisolators for motor driven equipment; flexible pipe connections to motor driven equipment; resilientmounting for piping; sealing of pipe and duct penetrations of walls, floors and ceilings of equipmentrooms.

1.1 PIPING SPECIALTIES

A. Appliance Flexible Connectors:

1. Indoor, Fixed-Appliance Flexible Connectors: Comply with ANSI Z21.24.

2. Indoor, Movable-Appliance Flexible Connectors: Comply with ANSI Z21.69.

PAGE 7 / 8PLUMBING


3. Outdoor, Appliance Flexible Connectors: Comply with ANSI Z21.75.

4. Corrugated stainless-steel tubing with polymer coating.

5. Operating-Pressure Rating: 0.5 psig.

6. End Fitngs: Zinc-coated steel.

7. Threaded Ends: Comply with ASME B1.20.1.

8. Maximum Length: 36 inches except for connections to ranges or dryers which may be up to 72 inches maximum.

B. Y-Pattern Strainers:

1. Body: ASTM A 126, Class B, cast iron with bolted cover and bottom drain connection.

2. End Connections: Threaded ends for NPS 2 and smaller; flanged ends for NPS 2-1/2 and larger.

3. Strainer Screen: 40-mesh startup strainer, and perforated stainless-steel basket with 50

percent free area.

4. CWP Rating: 125 psig.

C. Weatherproof Vent Cap: Cast- or malleable-iron increaser fitng with corrosion-resistant wire screen, with free area at least equal to cross-sectional area of connecting pipe and threaded-end connection.

END OF SECTION

PAGE 8 / 8PLUMBING

SECTION 22 30 00

PLUMBING EQUIPMENT

PART 1 - GENERAL

1.01 INTRODUCTION:

A. The requirements of Section 230000 Mechanical, General, apply to all work herein.

B. All work shall be coordinated with water, gas, sanitary sewer and other services on the site.The locations of points of connection to the site services shall be confirmed prior tocommencement of any and all work required under this Section of the specification.

1.02 DESCRIPTION:

A. This specification establishes the required standards for all labor, materials, equipment, andworkmanship in connection with the furnishing, fabrication, and installation of "Plumbing".Plumbing work includes, but is not necessarily limited to, the following items of work: 1. A complete system of soil, waste, vent and sanitary sewer piping and structures

including connection of same to public sanitary sewer/s located as indicated on theDrawings.

2. Cold water distribution system complete from point/s of contact located as indicatedon the Drawings, to all plumbing fixtures scheduled for service on the Drawings.

3. Hot water distribution system complete from serving water heaters and/or point/s ofcontact with site domestic hot water, to all plumbing fixtures, mechanical equipment,building specialties, and Owner supplied equipment scheduled for service on theDrawings.

4. Flashing of all plumbing pipe penetrations through exterior walls, roofs, andfoundations. Sheet metal and lead flashings for pipe penetrations through roofs shallbe furnished by the Plumbing Contractor and installed by the appropriate roofingcontractor.

5. Flashing of all plumbing pipe penetrations through exterior walls, roofs, andfoundations.

6. Excavation and backfill as required for the work of this Section in conformity with"Earthwork".

7. Rough in and connection of all fixtures and/or equipment furnished by the Ownerand/or Tenant.

8. Final connection of water to equipment furnished under other Sections. 9. Protection of all piping, specified herein and/or shown on the drawings, from

freezing. Buried piping shall be a minimum of 12" below the local frost line, andabove grade piping in unconditioned areas shall be insulated.

10. Testing and adjusting of all piping systems and equipment herein specified. 11. Sterilization of domestic water systems. 12. Pipe wrapping and insulation. 13. Should any work or material not be included in the Drawings or Specifications, but is

nevertheless necessary for the proper execution of the stated scope therefore for fullcompliance with codes, laws, rules and regulations, the Contractor shall understandsuch work and/or material is required, and he shall perform all such work and furnishsuch material as fully as if it were particularly delineated or described.

1.03 RELATED WORK SPECIFIED IN OTHER SECTIONS:

A. Line voltage wiring: See "Electrical".

B. Finish painting.

PART 2 - PRODUCTS

2.01 GENERAL:

MT. DIABLO UNIFIED SCHOOL DISTRICT PLUMBING EQUIPMENTSECTION 22 30 00-1

A. Only specified materials shall be utilized in the work of this Section unless substitutions havebeen approved in accordance with "Substitutions and Product Options".

B. Only specified materials shall be utilized in the work of this Section unless substitutions havebeen approved in accordance with Section 15000 Mechanical, General.

C. All materials shall be new, of the best quality for the intended use, shall be listed by the ASA,AGA, UL, as meeting their requirements and bearing their label wherever standards havebeen established and label services are regularly furnished by them.

D. Tracer wire shall be installed with all non-metallic piping below grade. Tracer wire shall besolid core copper, 14 gauge minimum, laid continuously along pipes. Wire shall be "ty-wrapped" to pipe at eight (8) feet on center. Tracer wire shall terminate in concrete accessboxes at the beginning and terminal ends of the buried pipe.

2.02 PIPE, FITTINGS:

A. Underground Soil, Waste, Drain, and Vent Pipe: Standard weight, hot-coated, cast iron soilpipe and fittings, with "Tyseal" or approved MG mechanical joints.

B. Underground Soil, Waste, Drain, and Vent Pipe: Schedule 40 PVC/DWV with drainagepattern, solvent welded fittings meeting the requirements of ASTM D-2665. Because of thehighly corrosive nature of the native soil at the project site, no steel or cast iron pipe shall beused below grade.

C. Above Ground Soil, Waste, Drain, and Vent Pipe: Lines 2" and larger shall be standardweight, hub-less, cast iron soil pipe and fittings, with "no-hub" joints. Joints shall haveneoprene gaskets and stainless steel bands. Lines under 2" shall be galvanized steel pipe withthreaded cast iron drainage fittings; AT the option of this Contractor, all soil, waste, and ventpiping above ground may be DWV copper with wrought copper fittings with "Stay-Safe 50"lead free solder and a suitable non-corrosive flux.

D. Pipe and fittings shall meet the following ASTM and UL standards:

Test Results Standard

Time of Burning <5 sec D 635

Extent of Burning <5 mm D 635

Burning Class V2 UL 94

Max. Smoke Density 62.0 D 2843

Density Rating 40.1 D 2843

Oxygen Index 28% D 2863

E. Hot, Cold Water Piping: All domestic cold water piping 3" and smaller shall be Type L, hardtemper, copper pipe with wrought copper or cast brass solder joint fittings. All joints shall bemade up with "Stay-Safe 50" lead free solder. A suitable non-corrosive flux shall be used atall joints.

1. Pipes below grade inside buildings shall be soft drawn, Type L or K copper with nojoints below slabs. Pipes shall be sleeved with 20-mil plastic sheathing.

2. Hot water and tempered water supply and return piping below grade shall be Ric-wil"Copper-Gard", pre-insulated piping systems. Carrier pipes shall be Type L copper,outer jacket shall be PVC, and insulation shall be closed cell polyurethane foam,which shall completely fill the annular space between carrier pipe and outer sleeve.

F. Indirect Waste Piping: Shall be Type M, hard temper, copper with wrought copper or castbrass fittings. Joints shall be made up with "Stay-Safe 50" lead free solder.

2.03 UNIONS:

A. Steel Pipe: Shall be malleable iron, 150 lb., ground joint, Grinnell Fig. 463.

B. Copper Pipe: Shall be soldered joint, Nibco series 633 or 733, Mueller, or equal.


C. Dielectric: Shall be EPCO, Plico, or equal.

2.04 VALVES, SPECIALTIES:

A. Gate Valves: 3" and smaller shall be Nibco T-134, bronze body, union bonnet, rising stem,solid wedge, 150 lb. with wheel handle. Valves larger than 3" shall be Nibco F-617-0, ironbody, bolted bonnet, outside screw and yoke, solid wedge, 125 lb. with wheel handle.

B. Ball Valves: Watts B-6080, bronze body, full port, two piece, lever handle, 400 lb. WOG.

C. Ball Valves: Nibco T-580, bronze body, "Ring Ball", conventional port, two piece, leverhandle, 125 lb.

D. Relief Valves: Water heater temperature/pressure relief valve, Watts M&M, or equal, withASME rating, and AGA certified design. Set at 125 psi and 210 F.

2.05 HANGERS, SUPPORTS:

A. Installation of piping shall be such that damage cannot result through loading, expansion orcontraction of piping. Anchors shall be installed to obtain uniformity of pipe movement.

B. Pipe supports shall be spaced sufficiently close to support pipes properly without formation ofpockets. Hangers shall be installed at ends of mains and branches and maximum intermediatespacing shall be as follows:

MAXIMUM SPACING, *FEET MAXIMUM ROD DIAMETERPipe , Inches Pipe Rod 1” & Less 1-1/4” & More Inches Inches

Steel 8 10 2 & Less 3/8Copper 6 8 2-1/2 to 3 1/2Cast Iron 5 (1 min. per length & fitting) 4 & larger 5/8* Shortest spacing specified determines trapeze spacing.

C. Pipe hangers shall be Superstrut, B-Line, or equivalent Grinnell. All hangers shall beelectro-chromate finished.

D. Steel pipe, cast iron soil pipe: C-711 pipe hangers.

E. Copper tubing: C-711 copper tube hanger complete with C-716 isolator.

F. Insulated pipe: C-711 pipe hanger fitted to outside of insulation with C-790 galvanizedshields.

G. Hanger rods: Shall have electro-galvanized finish.

H. Trapeze hangers: Grouped pipes may be supported by A-1200 channel bolted to rods. Copperand steel pipe shall be attached to channels with A-716 "Cush-A-Clamp", insulated pipes shallhave C-790 galvanized shields. Cast iron soil pipe shall be supported with C-711 pipehangers with rods attached to the bottom of channels.

I. Point of support connectors:

1. Wood construction: 540 side beam hanger for stationary pipes; S-541 for pipessubject to movement.

2. New concrete construction: 452 inserts.

3. Steel beams: Series 500 beam brackets.

4. Plywood decks: Machine bolts, nuts and washers.

5. Concrete construction: Hilti "Kwik-Bolt", three piece, drilled in anchors.

6. Vertical pipe risers: Vertical pipe risers shall be securely supported with C-720 pipeclamps (C-720P for bare cold water pipe) anchored to construction.

J. Provide resilient mounting for domestic water piping. Thermal insulation may serve asresilient mounting for insulated piping.


K. Suspended water piping shall be anchored with steel struts installed at midpoint of each run.

L. No valve or piece of equipment shall be used to support piping.

2.06 CLEANOUTS:

A. Cleanouts in membrane damp proofed floors shall have flashing flange and membrane clamp;plugs shall be bronze, with cast iron body ferrule for cast iron pipe.

B. Floor (FCO): adjustable floor cleanout, dura-coated with gas and water-tight, bronze, taperthread, plug, and round scoriated top adjustable to finished floor.

C. Grade (COTG) Housing to be dura-coated cast iron body with integral anchor flange andscoriated cover with lifting device. Cleanouts in un-paved areas shall be set in 18" x 18" x 4"concrete pads.

D. Wall (WCO): polished chrome plated bronze wall plate and frame for copper tubing; dura-coated with gas and water-tight, bronze, taper thread plug and round smooth stainless steelaccess cover with securing screw. For cast iron pipe; round stainless steel wall access covercomplete with securing screw and bronze raised hex head plug for steel pipe.

E. Accessible: dura-coated with gas and water-tight, bronze, taper thread plug for cast iron pipe;bronze, raised head, cleanout plug for steel pipe.

2.07 SLEEVES, WALL PLATES:

A. Service Pipe Through Exterior Walls, Roofs: Crane Style BC wall and ceiling plates; chromeplated at finished rooms.

B. Pipes Through, Under Footings: 18 gage iron sleeves, two diameters larger than pipe, cast inconcrete, annular space filled with mastic or plastic bituminous cement.

C. Pipes through fire rated walls shall be protected with fire retardant mastic as detailed on thedrawings. Installation shall be in full accordance with the requirements of the UL systemnumber. Hilti or approved equal.

D. Crane Style BC, or equal, wall and ceiling plates; chrome plated at finished rooms.

E. Pipes through floors, interior concrete walls, and through fire rated walls and smoke stoppartitions: 18 gage iron sleeves, two diameters larger than pipe, annular space filled with 3MBrand Fire Barrier CP-25 caulk.

F. Pipes through 1-hour walls shall be protected with fire retardant mastic as detailed on thedrawings. Installation shall be in full accordance with the requirements of the UL systemnumber. Hilti or approved equal.

2.08 SHOCK ABSORBERS:

A. Zurn "Shoktrol", stainless steel bellows. Install with gate valve shut-off and access door at allflush valves or other automatic valves. A single unit sized in accordance with themanufacturer’s recommendations may serve batteries of valves.

2.09 ACCESS DOORS:

A. Where construction is not inherently accessible, provide adequately sized and convenientlylocated access doors in ceilings, walls and furring for servicing valves, equipment, etc.

B. Access doors shall be Karp, Milcor or equal. Prime coated steel for all surfaces exceptceramic tile. Style KDW for gypsum board surfaces, Style PL for plaster surfaces, Style 210for acoustic tile surfaces, Style DSC 214-M satin finish stainless steel at ceramic tile surfacesand Style "Fire Rated" at rated ceilings and walls. 10" x 10" minimum size, larger sizes asrequired. Locks shall be flush, screwdriver operated. Access doors for laboratory zone shut-off valves in Building "D" shall have pull rings in lieu of flush locks.

2.10 STRAINERS:


A. Wilkins YSBR100 "Y" strainer, all bronze body with #100 monel screen, or equivalent C.M.Bailey.

2.11 THERMOMETERS:

A. Weksler "Adjust-Angle, or equivalent Weiss, with separable sockets and 6" minimum scalereading 30-240 F.

2.12 PIPE INSULATION:

A. All insulation shall have composite (insulation, jacket and adhesive used to adhere the jacketto the insulation) Fire and Smoke Hazard ratings as tested under procedure ASTM E-84,NFPA 255 or UL 723, not exceeding:1. Flame Spread 252. Smoke Developed 50

B. Insulation shall be applied in complete accordance with the manufacturer's publishedinstallation instructions on clean, dry surfaces. All insulation shall be continuous through walland ceiling openings and sleeves. All joints shall be firmly butted together and longitudinaljacket laps and butt strips shall be smoothly secured. Specified adhesives, mastics andcoatings shall be applied at the manufacturer's recommended minimum coverage per gallon.

C. Inserts shall be installed at outside hangers. Inserts between the pipe and pipe hangers shallconsist of rigid pipe insulation of thickness equal to the adjoining insulation. Inserts shall notbe less than 10" long for pipe sizes through 2½" and not less than 12" long for pipes largerthan 2½".

D. Metal shields shall be applied between hangers or supports and the pipe insulation. Shieldsshall be formed to fit the insulation and shall extend up to the centerline of the pipe and thelength specified for hanger inserts.

E. Insulate all hot water supply piping, all hot water return piping, all tempered water supplypiping and all tempered water return piping with Manville "Micro-Lok" 650, Fiberglas,Certainteed, or equal, rigid fiberglass one-piece pipe insulation. Insulation for all exposedpiping shall be covered with Zeston; PVC jacketing and fitting covers. PVC jackets shall be20 mils thick and shall be bonded with Zeston Perma-Weld adhesive to meet USDArequirements. All piping exposed to the weather shall be finished with aluminum jacketingwith a laminated moisture retarder. Aluminum jacketing shall be overlapped 2 to 3 inches andheld in place with stainless steel bands to form a weather tight system. Elbows and tees shallbe fitted with matching aluminum fitting covers.

F. Insulate all hot water supply piping, all hot water return piping, all tempered water supplypiping and all tempered water return piping with Manville "Micro-Lok" 650, Fiberglas,Certainteed, or equal, rigid fiberglass one-piece pipe insulation with and all purpose jacket.Jackets shall be constructed of high density, white kraft bonded to aluminum foil withfiberglass yarn with a pressure sensitive closure system. Adhesives or staples will not berequired to seal the jacket and butt strips. Fittings shall be covered with Zeston, insulated,PVC fitting covers. Insulation for all exposed piping and all piping in crawl spaces shall becovered with Zeston, PVC jacketing. PVC jackets shall be 20 mils thick and shall be bondedwith Zeston Perma-Weld adhesive.

G. Insulation thickness shall be as follows:

1. Piping runouts in walls: ½"2. All piping 1" and smaller: ½"3. All piping 1¼" through 2": 1"4. All piping 2½" and larger: 1½"

2.13 ELECTRIC WATER HEATERS (IF APPLICABLE):


A. AO Smith Model ELFJ and ELC as scheduled and detailed on the Drawings. Complete withglass-lined tank, sacrificial magnesium anode, low watt density immersion elements, ULlisted.

2.14 FIXTURES:

A. Fixture Specifications.

1. Lavatory.a. SK-1 Elkay model drkr2220 with sloan optima systems touchless faucet

model eft-770 and bubbler just manufacturing co. model #jsp-10-flx-vr (allada compliant) Contractor to verify components and models prior toordering.

b. SK-2 Durcon model U15C c. SK-2 Durcon model A05 (ADA Compliant)

B. The quantity and location of fixtures shall be taken from the Architectural and Plumbingdrawings. Provide adequate supports and all standard trim normally furnished for fixtures. Allenamel shall be acid resisting. Traps, unless otherwise noted shall be 17 ga. brass tubing,chrome plated when exposed.

C. Submit catalog cut-sheets on all fixtures.

D. Except as otherwise shown, provide ¼" steel backing plates, 36" wide by 12" high minimumsize, secured to a minimum of three studs by welding or with ¼" x 2½" lag screws for all wallhung fixtures for which no other means of support is specified.

E. Stops and supplies: Provide stops for all fixtures. Unless otherwise specified, stops exposedat lavatories and similar fixtures shall be Chicago # 1016, chrome plated, loose key.Concealed stops shall be Chicago #1771.

F. All fixtures shall be Kohler, American Standard, or equal, except where specifically notedotherwise. All fixtures shall be standard white color, except as noted.

G. All fixtures shall meet or exceed the requirements of the California Administrative Code, Title24, and Section 5-15.

H. All sinks or lavatories being replaced to include new trim including faucet, supplies, stops,tailpiece, grid drain, and trap.

PART 3 - EXECUTION:

3.01 SURFACE CONDITIONS:

A. This Contractor shall be held to have examined the site and compared it with the ContractDocuments, and to have satisfied himself as to the conditions under which the work is to beperformed. In the event of discrepancy, he shall notify the Architect and proceed as hedirects. He shall be held responsible for all existing conditions, whether or not accuratelydescribed, and no allowance shall subsequently be made on his behalf for any error, omission,or extra expense to which he may be put due to failure or neglect on his part to make suchexamination and notification.

B. Prior to commencing the work of this Section, this Contractor shall inspect the installed workof other trades and verify that their work is sufficiently complete to permit the start of workunder this Section and that the completed work will be in complete accordance with theoriginal design. In the event of discrepancy immediately notify the Architect and proceed ashe directs.

3.02 ACCESSIBILITY:

A. Equipment shall be placed and piping connections made in such a manner that all routineadjustments and maintenance operations may be carried out without inconvenience and sothat all code requirements for clearances are maintained.


3.03 VIBRATION AND SOUND CONTROL:

A. Make all necessary provisions to prevent the transmission of vibration to the buildingstructure and the passage of noise from the equipment rooms to other rooms. Provisions shallinclude: vibration isolators for motor driven equipment; flexible pipe connections to motordriven equipment; resilient mounting for piping; sealing off pipe and duct penetrations ofwalls, floors and ceilings of equipment rooms.

3.04 INSTALLATION, GENERAL:

A. Provide all necessary cutting in connection with the work of this Section. NO structuralmembers shall be drilled, bored, or notched in a manner which will impair their structuralcapacity; all penetrations of concrete or masonry shall be made with core drills; NO cuttingshall be done without the approval of the Architect.

3.05 INSTALLATION, PIPING:

A. General:

1. Rough in shall proceed as rapidly as general construction will permit. All rough-inshall be complete, locations verified by Architect and Owner, tested, and inspectedprior to installation of concrete, lath, plaster, gypsum wallboard, or other finishes.

2. All piping shall be concealed in finished rooms, installed in furred walls andpartitions. Where furred or suspended ceilings occur, piping shall be installed in theconcealed space at points adjacent to beams and/or other structural members,coordinated with ductwork and equipment. Where exposed piping occurs it shall beinstalled parallel to or at right angles to building walls unless specifically shownotherwise on the Drawings.

3. All pipe lines shall be installed free from traps and air pockets, true to line and grade,with suitable supports properly spaced. All piping shall be installed without unduestresses, and with provision for expansion and contraction.

4. Vertical lines shall be supported and braced at every floor/roof level.

5. Cleanouts shall be located where indicated on the Drawings; at all horizontal offsets;at ends of waste or sewer branches more than 5' in length; at intervals of 100' instraight runs of piping, or at closer intervals if directed or required by local code.

6. All piping shall be new and free from foreign substances. American standard pipethreads shall be used for IPS threaded work. Joints in threaded piping shall be madeup with Teflon tape applied to the male threads only. No screwed pipe joints shall becaulked or packed with rope or other packing materials. Pipe shall be free from toolmarks, threads cut accurately with not more than two (2) threads showing beyondfitting. Friction wrenches shall NOT be used with plated, polished, or soft metalpiping. ALL changes in pipe size shall be made with reducing fittings. Bushingswill NOT be permitted.

7. Shut off valves shall be provided on all branch lines serving two (2) or more fixtures,and where required to permit proper servicing of equipment.

8. All valves shall be of the same size as the pipe lines in which they are installed,unless specifically sized on the Drawings. All hand controlled line valves shall beball valves unless otherwise noted.

9. A union connection shall be installed downstream from all valves, at equipmentconnections and at other locations as required or directed.

10. All valves shall be accessible and shall NOT be installed with the stems below thehorizontal plane. Provide access panels at walls, ceilings, or floors.

11. Provide prime coated escutcheon plates at all points where exposed piping penetratesfinished wall ceilings or floors. Escutcheons shall be chrome plated at plumbingfixtures.

12. Cutting or boring of joists or other structural members shall be done ONLY whenalternative routing is impossible and ONLY upon written approval of the Architect.


13. No water or drainage piping shall pass over electrical equipment unless adequateprotection is provided to prevent damage by leaks or condensation.

14. Protect unattended openings in piping during construction.

B. Soil, Waste, Vent, Drain Piping:

1. Soil, waste, and vent piping occurring within the building shall be installed to auniform minimum grade of ¼" per foot unless otherwise noted. Vent piping shall begraded so that all condensation shall flow directly to a soil or waste line.

2. Exterior soil and waste lines shall be installed to inverts or grades indicated on thedrawings.

3. Bell and Spigot pipe shall be installed with the bell up grade.

4. Changes in direction of drainage piping shall be accomplished by the use ofappropriate drainage and sanitary fittings.

5. Drilling and tapping of drains, soil, waste, or vent pipes and the use of saddle hubsand bands are prohibited.

6. Protection against breakage of piping passing under or through walls shall beprovided using specified sleeves and caulking.

7. Adapters shall be installed between threaded iron and soil pipe.

8. Test tees shall be installed at the foot of all soil, waste, and storm water stacks.

9. Cleanouts shall be located where indicated on the Drawings; at all horizontal offsets;at ends of waste or sewer branches more than 5' in length; at intervals of 100' instraight runs of piping, or at closer intervals if directed or required by local code.Location of cleanouts in finished spaces shall be approved by the Architect prior toinstallation.

C. Hot, Cold Water Systems:

1. Di-electric unions shall be installed where copper pipe is connected to galvanizedsteel piping or stub outs.

2. Connections from copper pipe to fixture supply fittings shall be made with copper orbrass nipples.

3. Provide 18" high vertical air chambers at all domestic water connections to fixturesand/or equipment that are not specified to have shock absorbers.

4. All domestic water piping shall be kept clear of the building structure. Where it iswithin 1" of the building structure it shall be wrapped with felt (3/16" minimumthickness).

5. To the greatest extent possible, domestic cold water piping shall be kept separatedfrom hot piping and where there is a choice shall be run in the coolest portion of theavailable space.

6. Provide 18" high vertical air chambers, of size equal to "local connection schedule"size, at all domestic water connections to fixtures and/or equipment that are notspecified to have shock absorbers.

7. Piping in walls serving hose bibbs to be insulated.

D. Plumbing Fixtures:

1. Space between wall mounted fixtures and wall surface shall be neatly pointed upwith G.E. silicone rubber compound of color matching fixture.

2. All exposed bolt heads and nuts used to secure fixtures shall be concealed withvitreous china caps.

E. PVC Piping:

1. Because cements and primers are flammable, care shall be taken to avoid, sparks,heat or open flames in both work and storage areas. Avoid direct contact with eyesand skin. Proper ventilation is mandatory when working indoors.

2. Temperature extremes are not conducive to good solvent cementing. Environmentswith temperatures above 110F and below 40F should be avoided.


3 Pipes shall be cut square with a tubing cutter (no hack saws shall be used). Ends ofpipe shall be beveled and deburred with a deburring tool.

4. Pipe ends shall be cleaned with a dry rag and all foreign material shall be removed.

5. Dissolve the inside socket of the fitting with appropriate primer by repeated strokesof a well wetted applicator. Dissolve the end surface of the pipe in a similar manner.Then, immediately apply a generous amount of cement to the outside of the pipe anda moderate amount of cement to the inside of fitting. Do not allow cement to puddlein fittings.

6. Apply a second coat of cement to the outside of the pipe, and while both surfaces arestill liquid, bottom the pipe into the fitting, rotating the pipe 90 if possible. Holduntil the pipe will not push out.

7. Wipe any excess cement from the pipe and observe the following cure times: 30minutes at 60-100F; 1 hour at 40-60F; 2 hours at 20-40F; and 4 hours at 0-20.

F. Flashing:

1. All roof and wall penetrations shall be flashed and counter flashed water tight with24 gauge sheet metal, except as noted.

2. Vents through roof shall be flashed with Semco #1100-4 lead flashing assemblies.Flashing shall extended over top of pipe and shall be turned down inside top of pipe.

3. All roof and wall penetrations shall be flashed and counterflashed water tight with 4#lead.

4. Vents through roof shall be flashed with Semco #1100-4 lead flashing assemblies.Caulk top joint with lead and oakum.

G. Excavation, Backfill:

1. Provide all excavation, trenching, and backfill in connection with the work of thisSection.

2. Excavation shall be carried to 4" below the bottom of pipes. Provide a sand beddingfor all sloped drainage piping, and provide smooth uniformly graded bedding of firmbut yielding material for all other piping, catch basins, and similar structures.

3. Backfill material shall be non-corrosive and free from all foreign material that coulddamage pipes. Backfill shall be placed in 6" layers, each layer tamped, andcompacted to 95% of maximum dry density (ASTM D-1557-64T (c) compaction testprocedure).

4. Backfill material shall be non-corrosive and free from all foreign material that coulddamage pipes. Installation shall be in accordance with "Earthwork".

J. Indirect Waste Piping:

3.06 TESTING, INSPECTIONS:

A. General:

1. This Contractor shall not allow or cause any work of this Section to be covered orenclosed until it has been inspected, tested, and approved by the Architect and theauthorities having jurisdiction over the Work. Should any of this work be enclosedor covered up before such inspection, testing, and approval, this Contractor shalluncover the work, have the necessary inspections, tests, and approvals made and, atNO expense to the Owner, make all repairs necessary to restore both his work andthat of other contractors which may have been damaged to be in conformity with theContract Documents.

B. Tests:

1. This Contractor shall make all tests required by all local, state, and federal laws,codes, ordinances, and regulations having jurisdiction over this work.


2. Furnish all necessary labor, materials, and equipment for conducting tests, and payall expenses in connection therewith. Should leaks develop while testing, repairsshall be made, and tests shall be repeated until a satisfactory test is obtained.

3. Water Piping: Shall be hydrostatically tested for six (6) hours at 150 psi. Allequipment shall be tested water tight at utility pressure.

4. Drainage and Vent Piping: Shall be tested for (1) hour by plugging all outlets andfilling the pipes with water to the top of vertical sections of pipes. No loss of watershall be permitted.

5. Natural Gas Piping: Shall be tested for twenty-four (24) hours at a pressure of 50psig with nitrogen or compressed air. NO pressure drop shall be allowed during thelast four (4) hours of the test. Tests joints of natural gas piping with Leak-Tek orNupro-Snoop solution while maintaining ten (10) psig minimum internal pressure.

3.07 CLEANING:

A. Flush all water piping systems. Remove, clean and replace all strainer baskets prior to finalinspection.

B. Blow out all compressible fluid piping with compressed air before connecting with regulatorsor equipment.

3.08 WATER SYSTEM STERILIZATION:

A. Upon completion of this work, the domestic water system shall be thoroughly flushed,sterilized and reflushed. Sterilization and reflushing shall be performed using the followingprocedure:

1. All work shall be performed in the presence of the inspector.

2. Introduce chlorine or a solution of sodium hypochlorite, filling the lines slowly andsupplying the sterilization agent at a rate of 50 parts of chlorine per million, asdetermined by residual chlorine tests at the ends of all branches. Open and close allvalves while the system is being chlorinated to insure uniform distribution.

3. After the sterilizing agent has been applied for 24 hours, test for residual chlorine atthe ends of the branches. If less than 5 PPM is indicated, repeat the sterilizationprocedure.

4. When tests show at least 5 PPM of residual chlorine, flush out the system until alltraces of the chemical are removed.

B. After a period of 48 hours minimum, bacteriological tests, using samples from at least 3representative points, shall be made by recognized testing agency, who shall certify to theArchitect that the system is bacteriologically safe and at least equal in safety to that of theprincipal water supply. The laboratory report and certification shall be transmitted to theArchitect.

3.09 ADJUSTING:

A. Properly adjust all stops, and controls, and demonstrate safe and satisfactory operation of allequipment.

3.10 CLEANUP:

A. Upon completion of the work of this Section, remove all surplus material, debris, andequipment associated with or used in the performance of this work.

END OF SECTION


SECTION 23 00 00

GENERAL MECHANICALHEATING, VENTILATING AND AIR-CONDITIONING (HVAC)

PART 1 - GENERAL

1.01 GENERAL

A. The General Conditions, Supplementary General Conditions and Division 1 apply to the work ofthis Section. The requirements of this Section. The requirements of this Section shall apply toall the following Sections in Division 15.

1.02 RULES AND REGULATIONS

The following supplements the requirements of the General Conditions, Supplementary GeneralConditions and Division 1 for compliance with all laws, ordinances, regulations and orders:

A. PARTICULAR ATTENTION IS DIRECTED TO THE LATEST RULES AND REGULATIONSOR PUBLICATIONS OF THE STATE OF CALIFORNIA INCLUDING THOSE OF THE STATEFIRE MARSHAL, O.S.H.A., THE CALIFORNIA CODE OF REGULATIONS - TITLE 24, THEINDUSTRIAL SAFETY ORDERS - TITLE 8, THE HEALTH AND SAFETY CODE, THEAMERICAN INSURANCE ASSOCIATION INCLUDING NATIONAL FIRE PROTECTIONASSOCIATION PAMPHLET #70, (THE NATIONAL ELECTRIC CODE) PAMPHLET #90A(AIR CONDITIONING SYSTEMS), 2010 CALIFORNIA BUILDING STANDARDSADMINISTRATIVE CODE, (PART 1, TITLE 24, C.C.R.); 2010 CALIFORNIA BUILDINGCODE (CBC), PART 2, TITLE 24, C.C.R. (2009 INTERNATIONAL BUILDING CODE,VOLUMES 1 AND 2 WITH 2010 CALIFORNIA AMENDMENTS) ; 2010 CALIFORNIAELECTRIC CODE (CEC) PART 3, TITLE 24, C.C.R. (2008 NATIONAL ELECTRIC CODEWITH 2010 CALIFORNIA AMENDMENTS) ; 2010 CALIFORNIA MECHANICAL CODE(CMC) PART 4, TITLE 24, C.C.R. (2009 UNIFORM MECHANICAL CODE AND 2010CALIFORNIA AMENDMENTS); 2010 CALIFORNIA PLUMBING CODE (CPC) PART 5,TITLE 24, C.C.R. (2009 UNIFORM PLUMBING CODE AND 2010 CALIFORNIAAMENDMENTS) ; 2010 CALIFORNIA ENERGY CODE (CEnC), PART 6, TITLE 24, C.C.R. ;2010 CALIFORNIA FIRE CODE (CFC) PART 9, TITLE 24, C.C.R. (2009 INTERNATIONALFIRE CODE WITH 2010 CALIFORNIA AMENDMENTS) ; C.C.R. TITLE-19 PUBLICSAFETY, STATE FORE MARSHAL REGULATIONS; AMERICAN WITH DISABILITIES ACTAND ADA STANDARD FOR ACCESSIBLE DESIGN 28 CFR PART 36 APPENDIX A

1.03 PERMITS, FEES AND NOTICES

A. It is the responsibility of this Division to secure all permits, pay all fees and give all noticesrequired for the work in this Division.

1.04 TESTING LABORATORIES APPROVALS

A. Where required by local code, State of California Codes, or where specified hereinafter, materialsand equipment shall meet the requirements of, and be listed by the Underwriters Laboratories,the American Gas Association or other recognized testing laboratories when the material orequipment is of a type for which such listing service is available.

B. It is not the intent of these specifications to require this listing for material or equipment whereonly one or two manufacturers are listed and the requirements have not been established asgeneral industry practice.

1.05 ENERGY CONSERVATION COMPLIANCE

A. All work shall comply with California Energy Resources Conservation and Development

MT. DIABLO UNIFIED SCHOOL DISTRICT GENERAL MECHANICALSECTION 23 00 00-1

Commission, Conservation Division, as established in Part 2, Title 24 of the California Code ofRegulations, Chapter 2-53.

B. Certification Requirements for Manufactured Devices: Chapter 2-53 limits the use ofmanufactured devices to only those that have been certified by their manufactured devices to onlythose that have been certified by their manufacturer to meet or exceed minimum specifications orefficiencies adopted by the Commission. Certification requirements apply to the followingmanufactured devices:

1. Insulating materials (Section 2-5311).2. Central air conditioning heat pumps and other central air conditioners (Section 2-5314(a)).3. Gas space heaters (Section 2-5314(a)).4. Other heating and cooling equipment (Section 2-314(b)).5. Water heaters (Section 2-5314(a)).6. Plumbing fittings (Section 2-5314(a)).

C. Responsibility of Equipment Suppliers: Suppliers of equipment shall furnish, upon request byprospective purchasers, designers, or contractors, the full and partial capacity and standbyinput(s) of all equipment and components of applied systems, based on equipment in newcondition, to enable determination of their compliance with these standards. This includesperformance data under all modes of operation and ambient conditions necessary to make theanalysis outlined in these standards.

Performance date furnished by the equipment supplier or certification under a nationallyrecognized certification program, when available, satisfies this requirement when all energyinputs(s), output(s) and operating modes are included.

1.06 DRAWINGS

A. The drawings show general arrangement and shall be followed as closely as possible, however,extreme accuracy shall not be assumed. Exact locations shall be governed by building and siteconditions.

1.07 VERIFICATION OF EXISTING CONDITIONS

A. After the contract is awarded, but before excavation for or installation of any new work, excavateand verify location, depth, size and other conditions at all points of connection to services orother existing piping and all locations where new work will cross or pass near existing piping,electrical or other facilities.

B. Exercise extreme care in excavation near existing facilities to avoid damage thereto.

C. If any existing utilities or other facilities are not found within a reasonable distance from whereshown or if any utilities or other facilities not shown are found during excavation, promptlynotify the Architect and obtain instructions before proceeding.

1.08 UTILITY CONNECTIONS

A. Arrange for all utility connections, determine their exact requirements and pay all costs incurred.

B. Send proper notices, make necessary arrangements, perform other services required for care andmaintenance of all utilities and assume all responsibility concerning same. Observe all rules andregulations of the respective utilities in executing the work.

C. Gas supply pressure to all equipment included in the work shall be 8” water column maximumunless specifically noted otherwise.

D. Information shown relative to existing utility services is based upon available records and dateduring preparation of drawings but shall be verified. Make reasonable deviations foundnecessary to conform with actual locations and conditions without extra cost.


1.09 SHOP DRAWINGS

A. Submit descriptive data on all material and equipment including “as specified” items as well asproposed substitutions.

B. Data on each item shall be marked with the applicable specification paragraph and anyidentifying mark from equipment schedules shown or specified.

C. Certified drawings showing fabrication details, complete dimensions, date of certification and allother pertinent information shall be submitted for approval when specifically required elsewherein the Division of the Specifications or when specifically requested by the Architect for itemsproposed as substitutions.

1.10 EQUIPMENT AND MATERIAL SUBSTITUTIONS

A. It is the responsibility of the equipment supplier and the contractor to verify the compatibility ofproposed equipment or materials. Various acceptable manufacturer’s names have been listed aspossible suppliers but only the first named manufacturers and models have been checked for theirsize, functions, and features.

1.11 RECORD DRAWINGS

A. Before final inspection submit reproducible plans of all below grade plumbing and, if majorchanges were made, all other plumbing and mechanical work.

B. Invert elevations of all sanitary sewers and rainwater leaders shall be shown and locations ofshut-off valves and stub outs for future shall be shown and dimensioned.

1.12 OPERATING INSTRUCTIONS

A. Furnish the Owner with a manual bound between hard covers, titled “Plumbing” and anothertitled “Air Conditioning” and containing the following information:

1. Simplified consolidated control diagrams (required for Air Conditioning only).2. Operating and Maintenance Manuals and data for all equipment for which available.3. Alphabetical list of all equipment excepting pipe and fittings giving the manufacturer, catalog number, local distributing agent including address and phone number and reference to specification paragraph.

B. The Contractor shall allow in his bid for 8 hours of on-the-job training of a person designated bythe Owner. This person shall be instructed in the operation and maintenance of the varioussystems.

1.13 EQUIPMENT WARRANTIES

A. Assemble certificates of warranty and/or guarantee and fill in all necessary information completeexcept purchase date, in favor of the Owner. Refer to Paragraph 16, Section 00700: GENERALCONDITIONS for the requirements for Guarantee and Warranty.

PART 2 - MATERIALS AND EXECUTION

2.01 MANUFACTURERS DIRECTIONS

A. Manufacturers’ directions shall be followed in all cases where they furnish specific directions forpoints not covered on drawings or in specifications.


2.02 MATERIALS SPECIFICATIONS

A. The various Specifications Sections in the Division of the work describe a part of the totalmaterials and execution required. In addition the drawings include a part of the total materialsand execution required. The drawings and the specifications together describe the totalrequirements. Any apparent conflict in the work shall be resolved in writing by the Architectbefore the submission of bids. If the apparent conflict is not resolved before the submission ofbids. If the apparent conflict is not resolved before the submission of bids, the highest costresolution of the conflict shall be understood to have included in the bid. As an example, ifdifferent sizes are shown in the documents for the same section of pipe and the conflict is notresolved in writing before the submission of bids; then it is understood that the cost of the largersize shown is included in the bid.

2.03 COORDINATION

A. Carefully coordinate all work with other trades. Offset pipes or ducts as required to avoidinterferences.

2.04 OPENINGS, CUTTING AND PATCHING

A. Where boring and cutting of structural members is required it shall be done under the direction ofthe Architect and only with the Architect’s written approval.

B. Any structural framing required for major openings, equipment supports and the provision ofcurbs for roof openings in included under another division of the Specifications. This Division(Division 15000) is responsible for the correct location, all openings, and for the coordination ofsupports provided for piping, ducts, appurtenances and equipment furnished and installed underthis Division. Division 15000 shall furnish detailed drawings of equipment, piping, ducts andappurtenances as required for the coordination of the construction performed by other Divisionsand shall review and approve in writing the detailed requirements of the work of the otherDivisions before the start of their construction.

C. Pipe Sleeves, Adjus-To-Crete, or equivalent, shall be provided for all sleeves passing throughconcrete or masonry. The inside diameter of the sleeves shall be a minimum of 1” larger than theoutside diameter of the pipe or the insulation for insulated pipes. Unless otherwise shown orspecified, the space shall be sealed with mastic retained by cover plates or other suitable method.

D. Penetrations through acoustically rated walls or floors: Caulk fully with Johns-Manville“DUXSEAL” under escutcheon plate.

E. Penetrations through waterproofed walls or floors: Provide a watertight seal where any pipe,duct, or conduit penetrates a waterproofed floor or wall, or penetrates any wall or floor as itextends from below grade into any room or crawl space. Provide a membrane clamp at eachpenetration where a waterproof membrane is installed.

F. Do all cutting of floors, and walls required for work under this Section of the Specifications andreplace with materials and installation equal to the existing installation.

2.05 FLASHING

A. All pipes, ducts, conduits, etc., penetrating exterior walls or roofs shall be flashed and counter-flashed watertight.

B. Where other materials are not specified, flashing shall be 24 gauge galvanized steel.

2.06 EQUIPMENT SUPPORTS AND ANCHORAGE

A. Provide all material and labor required for equipment supports and anchorage to building


structure.

B. Independently support all line mounted equipment.

C. Attach hanger rods or other supporting members for suspended piping, ducts and equipment forbuilding structural members of adequate strength using properly sized lag bolts, bolts andwashers, beam clamps, concrete inserts or self drilling anchors appropriate to the type ofconstruction.

D. Mechanical system components shall be braced to resist seismic forces according to the UniformMechanical Code. Anchorage and bracing details shall be in accordance with the SMACNAmanual “Guidelines For Seismic Restraints of Mechanical Systems and Plumbing PipingSystems”.

2.07 EXCAVATION AND BACKFILL

A. Provide all excavation and backfill including any required shoring or pumping for piping,conduit or equipment installed under this Section of the Specifications.

B. Excavate to 4” below bottom of pipe and provide sand bedding for all sloped drainage piping.Excavate rock or other unyielding material to 4” below pipe and provide smooth uniformlygraded bedding of firm but yielding material for other piping or manholes, catch basins orsimilar structures.

C. Backfill shall be free of all foreign material that could damage pipe, shall be non-corrosive andshall be placed in 6” layers, each layer tamped, and shall be compacted. Backfill shall becompacted to 95% maximum dry density (ASTM D1447-647(c) compaction test proceeding).

2.08 CLEANING

A. All piping and air ducts shall be protected from the entry of foreign material during constructionand shall be thoroughly cleaned before placing systems in operation.

B. Blow out gas and with compressed air before connecting to regulators or equipment.

C. Additional cleaning required for specific systems or equipment shall be as specified hereinafter.

2.09 TESTS AND ADJUSTMENTS

A. Test all equipment installed under this Division of the Specifications and make all adjustments orchanges required for proper operation. See other Sections in this Division for specificrequirements.

B. Equipment shall operate without unusual noise. Repair or remove and replace all equipment thatdoes not meet this requirement.

C. Test all piping systems as described in other Sections of this Division.

D. Each complete system shall be run for 5 consecutive days without adjustment or repair beforefinal acceptance by the Architect.

C. Work Under the Electrical Division of the Specifications:

1. All line voltage wiring, conduit and connections for power supply to motors and power supply to control panels, equipment controls or to junction boxes in the vicinity of


control circuits requiring a separate power supply.2. Installing magnetic and manual starters where not factory installed on equipment.3. Furnishing and installing disconnect switches except where specifically included in the

Mechanical Division.

2.11 ACCESSIBILITY

A. Equipment shall be placed and piping and duct connections made in such a manner that allroutine adjustments and maintenance operations may be carried out without inconvenience andso that all Code requirements for clearances are maintained. provisions shall include but not belimited to the following:

1. Maintain minimum clearance in front of electrical panels as required by the State ofCalifornia electrical code.

2. Provide removable access covers or doors for and allow space to remove air filters.3. Locate and arrange connections to equipment so that the equipment can be removed

after valves are shut off and unions disconnected.4. Provide access panels for all concealed items requiring adjustments or maintenance such

as valves, shock absorbers, dampers, etc.

2.12 VIBRATION AND SOUND CONTROL

A. Make all necessary provisions to prevent the transmission of vibration to the building structureand The passage of noise from one room to another and from equipment rooms to other rooms.Provisions shall include but not be limited to the following:

1. Vibration isolators for motor driven equipment.2. Flexible pipe and duct connections to motor driven equipment.3. Vibration isolators or resilient mounting for piping.4. Sealing of pipe and duct penetrations through walls, floors and ceilings of equipment

rooms.5. Duct sound lining where indicated on the drawings.

B. Coordinate work under other Divisions (especially the electrical work) to prevent vibration transmission from mechanical equipment to building.

C. Unless indicated or detailed otherwise on the drawings vibration isolators shall be Sausee asfollows, Mason, or equal. Deflection shall be 1.5” minimum unless shown otherwise.

1. Base mounted motor driven equipment - Type RMB spring type with 3200-WE seismic restraints with neoprene noise pad. Bases shall be bolted to supports and boltsshall be bolted to supports and bolts shall be isolated from base of isolator with neoprenesleeves and washers.

2. Suspended motor driven equipment - Type RMX spring type hanger with neoprene noisepad.

3. Springs shall be cadmium plated or neoprene dipped and other parts shall be fusionepoxycoated or galvanized for all isolators exposed to the weather.

4. Select and adjust all springs for the required deflection. Check all isolators and readjustor change springs if required to insure proper isolation.

2.14 ACCESS PANELS

A. Access panels shall be Milcor, as follows, or equal unless shown otherwise.

1. For Gypsum board, acoustic tile, or painted concrete surfaces: Style M, prime coastedsteel.

2. For Tile surfaces: Style M, satin finish stainless steel.3. For Plaster surfaces: Style M, prime coated steel.


4. For Fire rated walls and ceilings: fire rated access door (UL “B” label), prime coatedsteel with knurled knob operated latch.

B. Minimum size shall be 10”x10”. Provide larger sizes where required.

C. Locks shall be flush, screwdriver operated.

2.15 EQUIPMENT IDENTIFICATION

A. All major items of equipment shall be identified with a hard plastic label with 3/8” minimumheight, engraved letters. Labels shall be screwed or chained to the equipment and shall bear thename, number and function of the equipment which shall agree with the labels on electricalpanels, motor control centers and temperature control panels and drawings.

2.15 FIRE/SMOKE DAMPERS

A. Provide access panels in ducts and walls or ceilings as required for access to each fire damper.Duct access doors shall be labeled with 1/2” high letters “FIRE DAMPERS”.

B. Combination Fire Smoke Dampers: shall be California State Fire Marshall listed, UL listed (UL555, UL 555S and leakage class 1) and labeled for the intended use. Provide fusible link electricactuator tested and listed with damper. Install duct detector as specified elsewhere. Dampershall be normally closed and shall close on smoke detection or fusible link melt. Actuator shallbe out of the air stream. Provide Ruskin model FSI 37. Provide access to each damper in ductsand in walls or ceilings for servicing. Label duct access doors with 1/2” high letters “FIRESMOKE DAMPER”. Install in strict accordance with manufacturer’s instructions.

2.17 SCREENS

A. Provide removable bird screens on all outside air intakes and exhaust air discharges to outsideair. Screens for louvers provided under another Division of the Specifications are not includedunder this Section. Screen shall be secured in frames of same materials as duct, hood orequivalent to which attached.

2.18 FLEXIBLE DUCT CONNECTIONS

A. Duro-Dyne “Metal-Fab” with “Durolon”, Ventfabrics “Ventglas”, or approved equal, at eachpoint where a blower unit is connected to a duct. A minimum clearance of 3” between the ductand source of vibration must be maintained. Install according to Table 2-1.

2.19 ROOF HOODS

A. Shall be Greenheck Fabrahood, or equal, galvanized steel gravity intake or exhaust hoods withbird screens.

2.20 AIR TERMINALS

A. Outlets shall be Titus, or equal as shown. Unless otherwise noted each outlet shall have anopposed blade damper.

B. Perforated terminals shall have easily removable faces.

C. Finishes shall be as follows:

Wall outlets - prime coat Ceiling outlets - standard off-white suitable for either finish or prime coat.

2.21 FLUES


A. Metalbestos Type RV, QC or WV, Dura-Vent, American Metal Products, or equal, complete withall required accessories including oval firestop spacers, flashing, storm collar, top and adequatesupports.

B. Minimum clearance from combustible material shall be 1” except that reduced clearance may beprovided for oval flues when installed in accordance with UL listing and manufacturersrecommendations.

2.22 SPLIT SYSTEM HEAT PUMPS

A. Indoor Units

Units shall be Magic Aire models as specified, or approved equal, vertical fan coil units with the following minimum features:

1. Forward curved fan with adjustable V-Belt drive.2. Permanently lubricated ball bearings.3. Sound insulated steel cabinet.4. Direct expansion cooling coil with field installed heat pump conversion kit.5. Thowaway filters and filter rack.6. Seismic Spring isolators as specified.

B. Outdoor Units

Units shall be Carrier Models as scheduled, or approved equal, air cooled heat pump units withUL listing and shall be ARI certified. Units shall be complete with all required controls and accessories including the following:

1. Relay capacitor hard start kit.2. Time delay cycle protector.3. Liquid line fitler/dryer and sight glass.4. Seismic spring isolators as specified.5. Byflow liquid line filter/dryer and sight glass.6. Seismic spring isolators as specified.7. Liquid line solenoid valve.8. Suction line accumulator.9. Automatic defrost control.10. Low ambient control for operation below 55 degrees F.11. Evaporator freeze thermostat, winter start control, and isolation relay.12. Thermostatic expansion valve.13. Motor master head pressure control (10 ton units only)14. Crankcase heater.15. 5 year extended compressor warranty.

2.23 ELECTRIC DUCT HEATERS

A. Shall be Indeeco, or approved equal, open wire resistance heaters with complete duct frame,NEMA terminal box with hinged and latching cover, disc type automatic and manual resetthermal cutoffs, terminal blocks, airflow switch, contactors, built in control transformer, and doorinterlocked disconnect switch.

2.24 ROOFTOP AIR CONDITIONING UNITS

A. Carrier model 48DJD, Trane, or equal, self-contained, air cooled, electric cooling, natural gasheating in insulated weatherproof housing suitable for rooftop mounting. Units shall be AGAapproved, have ARI certified ratings and be complete with all accessories and controls includingthe following.


1. Economizer damper system on units noted and manual outside air damper on all others.AC-7 shall be provided with a con fab economizer-exhaust fan system as specified for EF-7.

2. Controls for cooling operation down to 25 degrees ambient.3. High and low suction pressure controls (except on 2 ton size).4. Refrigerant filter-drier (on 10 ton and larger sizes).5. Crankcase heater.6. Time delay recycling relay on compressor.7. Suction and discharge valves with gauge taps on compressor.8. Electric ignition pilot.9. NOx Reduction kit if required and heat exchanger.10. 5 year extended compressor warranty.11. Room thermostat, T872 Series.

B. Units shall be mounted on curbs with Sausse type RMU-EQ-SH, or equal, with seismicallyrestrained spring type vibration, 1” minimum static deflection.

C. Filters shall be throwaway type.

2.25 MAKEUP AIR UNITS

A. Ares, Sterling Reznor, or approved equal, with evaporative cooler, gas fired duct furnace,circualting pump, intermittent pilot, adjustable V-Belt drive, stainless steel heat exchanger, 2stage heating and discharge controller, and wall mounted push button control panel with pilotlights.

2.26 ROOF EXHAUST FANS

A. Greenheck Model GB, or equal, centrifugal fan type roof exhausters with AMCA certified ratingsand complete with adjustable V belt drive motor with pre lubricated ball bearings and aluminumhousing.

B. Model numbers, sizes and capacities shall be as shown. Some ratings shall not exceed those ofthe specified fans.

C. Fan and motor shall be mounted on neoprene isolators and shall be statically and dynamicallybalanced.

D. Provide the following accessories:

1. Aluminum bird screen in removable frame.2. Neoprene curb gasket.3. Self-actuating backdraft damper on toilet exhaust only.4. Hinged base for curb mounting.5. Fabricated roof curb.6. Disconnect switch.

E. Kitchen exhaust fan shall also have the following accessories:

1. Ventilated roof curb extension.2. Grease drain and collector.3. U.L. 762 listing.

PART 3 - CONTROLS

3.01 SCOPE

A. Furnish and install temperature controls as hereinafter specified or as shown on the plan sheets.


B. Provide a Venstar model T-250, or approved equal, programmable thermostat for each AC or heatpump unit with the following features:

1. 7 day programmable time clock.2. Holiday mode.3. Locking key pad.4. 5 minute compressor timeguard.5. Service filter indicator.6. Dry contact equipped.7. HP-1 and HP-2 shall have remote sensors.

C. Install a relay and wire through each thermostat to start fan EF-1 when AC unit starts.

D. Provide all necessary low voltage interlock wiring for AC and heat pump units.

E. Provide all interlock wiring for the kitchen makeup unit and the hood exhaust fan as noted.

3.03 CARBON MONOXIDE DETECTORS

Acme model #01-01E2 or equal with integral sensor 115 volt. Unit shall start an exhaust fan onsensing 50 PPM pf carbon monoxide and shall energize an audible alarm at 100 PPM after a timedelay. A light on each unit shall indicate the operating condition. Enclosure shall be gasketedand locked.

PART 4 - INSULATION

4.01 GENERAL

A. All insulation mateials and installation shall conform to the requirements of Section 15000,General Mechanical.

B. Installation shall be Owens-Corning, Certain Teed, or equal, as follows:

4.02 DUCTWORK

A. Duct Wrap

1. Install on all concealed supply and return ducts except in locations where duct lining is

shown or where specifically indicated otherwise.2. Insulation shall be 3/4 lb. per cu. ft. for ducts 14” and smaller, 1-1/2 lb. per cu. ft. for

larger ducts, 2” thick, with facing. Facing is not intended to serve as a vapor barrier.3. Apply insulation with all joints lapped a minimum of 2”. Secure insulation with 18

gauge galvanized wire ties at 18” on center or flare staples. Insulation shall beadditionally secured to the bottom of rectangular ducts over 24” wide with mechanicalfasteners spaced 18” on center.

4. Surface burning characteristics when tested in accordance with ASTM-84 and UL 723shall be 25 Flame spread, 50 Fuel contributed, 50 Smoke developed.

B. Duct Lining

1. Install in ducts and plenums where indicated on the drawings.2. Unless otherwise indicated duct lining shall be 3 lb. per cu. ft. 1” thick for ducts

inside the building, 1 1/2” thick for ducts outside the building, with fire resistantcoating, applied to inside of ducts (coated side facing air stream) with Fosters#81-15 adhesive with 100% coverage and mechanical fasteners 12” on centerin both directions starting approximately 6” from ends of insulation. Paint exposededges with adhesive. All uneven surfaces shall be painted with cement or taped with3” canvas tape dipped in adhesive.


3. Surface burning characteristics when tested in accordance with ASTM-84 and UL 723shall be 25 Flame spread, 50 Fuel contributed, 50 Smoke developed.

C. Ducts Exposed Inside Building

1. Unless otherwise indicated on the drawings, all unlined supply and return ducts exposedinside building shall be externally insulated with 2” thick, 1-1/2 lb. per cu. ft. densityfiberglass ductwrap with ASJ jacket.

2. Insulation shall be secured with mechanical fasteners 3” o.c. at edges and 12” o.c.maximum between edges. All joints and exposed edges shall be sealed with jointsealing tape.

3. Insulation shall be removable at access panels and doors.

END OF SECTION


BID NO. Roofing Replacement at Holbrook Elementary VOLUME ...

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