CITY OF ALEXANDRIA, LOUISIANA SCADA SYSTEM UPGRADES … · NATIONAL ELECTRICAL MANUFACTURERS...

CITY OF ALEXANDRIA, LOUISIANA

SCADA SYSTEM UPGRADES FOR GAS DEPARTMENT

DIVISION 1 GENERAL PROVISIONS

SECTION 01010 SUMMARY OF WORKSECTION 01340 SUBMITTALS AND SUBSTITUTIONS

DIVISION 16 ELECTRICAL

SECTION 16050 BASIC ELECTRICAL MATERIALS & METHODSSECTION 16151 SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) SYSTEMSECTION 16402 INTERIOR DISTRIBUTION SYSTEM

SCADA System Upgrades JANUARY 2015for Gas DepartmentAlexandria, Louisiana

SECTION 01010SUMMARY OF WORK

PART 1 SCOPE

This project consists of the following:

1. Replace HMI/MTU software at the Gas Department SCADA Room with Emerson’s Open Enterprise, orapproved equal. Owner will provide servers, PC’s, printer, switch, router/firewall and ethernet to fiberconverters. Contractor’s vendor shall install software on Owner-Furnished hardware.

2. Replace existing RTU’s at thirty-three (33) existing stations and the Repeater Site, including new SpreadSpectrum radios. Reconnect existing inputs at these stations. Replace antenna and antenna cable at eachsite.

3. Develop HMI screens for each of the stations comparable to the existing Wonderware screens. (10 basicstation types)

4. Install and configure Owner-furnished, Contractor programmed CPU’s, monitors, printers, and UPS systemswithin the Gas Department SCADA Room, that make up the HMI.

5. Replace the antenna and antenna cable at the Gas Department Main Office.

PART 2 GENERAL REQUIREMENTS

The job will be inspected periodically during construction and at the completion of work for compliance. Final approvalafter the completion of the job will constitute acceptance of the job.

*** END OF SECTION ***

SUMMARY OF WORK 01010-1


SECTION 01340SUBMITTALS AND SUBSTITUTIONS

PART 1 GENERAL

1.1 DESCRIPTION

A. Work Included: Make submittals required by the Contract Documents, and revise and resubmit as necessaryto establish compliance with the specified requirements.

B. Related Work:

1. Documents affecting work of this Section include, but are not necessarily limited to, General Conditions,Supplementary Conditions and Sections in Division 1 to these Specifications.

2. Individual requirements for submittals also may be described in pertinent Section of these Specifications.

C. Work Not Included:

1. Unrequired submittals will not be reviewed by the Design Professional.2. The Contractor may require his Subcontractors to provide drawings, setting diagrams and similar

information to help coordinate the Work, but such data shall remain between the Contractor and hisSubcontractors and will not be reviewed by the Design Professional.

1.2 QUALITY ASSURANCE

A. Coordination of Submittals:

1. Prior to each submittal, carefully review and coordinate all aspects of each item being submitted.2. Verify that each item and the submittal for it conform in all respects with the specified requirements.3. By affixing the Contractor’s signature to each submittal, certify that this coordinate has been performed.

B. “Or Equal:”

1. Where the phrase “or equal” or “or equal as approved by Design Professional” occurs in the ContractDocuments, do not assume that the materials, equipment or methods will be approved as equal unlessthe item has been specifically so approved for this Work by the Design Professional.

2. The decision of the Design Professional shall be final.

1.3 DESIGN PROFESSIONAL’S REVIEW

A. Review by the Design Professional does not relieve the Contractor from responsibility for errors which mayexist in the submitted data.

B. Revisions:

1. Make revisions required by the Design Professional.2. Make only those revisions directed or approved by the Design Professional.

1.4 NUMBER OF COPIES: Submittals shall be in five (5) copies and accompanied with a cover letter.


SUBMITTALS & SUBSTITUTIONS 01340-1


SECTION 16050BASIC ELECTRICAL MATERIALS AND METHODS

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referredto in the text by the basic designation only.

CODE OF FEDERAL REGULATIONS (CFR)

29 CFR 1910.147 Control of Hazardous Energy (Lock Out/Tag Out)

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, INC. (IEEE)

IEEE C2 (2012; Errata 2012; INT 1-4 2012; INT 5-6 2013) National Electrical Safety Code) NationalElectrical Safety Code

IEEE 100 (2000; Archived) The Authoritative Dictionary of IEEE Standard Terms

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2008) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA ICS 6 (1993; R 2011) Industrial Control and Systems: Enclosures

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2011) National Electrical Code

1.2 RELATED REQUIREMENTS

This section applies to all sections of Division 16, "Electrical," of this project specification unless specified otherwisein the individual sections.

1.3 DEFINITIONS

A. Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, andon the drawings, shall be as defined in IEEE 100.

B. The technical sections referred to herein are those specification sections that describe products, installationprocedures, and equipment operations and that refer to this section for detailed description of submittaltypes.

C. The technical paragraphs referred to herein are those paragraphs in PART 2 - PRODUCTS and PART 3 -EXECUTION of the technical sections that describe products, systems, installation procedures, equipment,and test methods.

1.4 ELECTRICAL CHARACTERISTICS

Electrical characteristics for this project shall be 120/240 volts, single phase, three wire. Final connections to the powerdistribution system at the existing service disconnect shall be made by the Contractor as directed by the DesignProfessional.

BASIC ELECTRICAL MATERIALS & METHODS 16050- 1


1.5 SUBMITTALS

Submittals required in the sections which refer to this section shall conform to the requirements of the SubmittalsSection and to the following additional requirements. Submittals shall include the manufacturer's name, trade name,place of manufacture, catalog model or number, nameplate data, size, layout dimensions, capacity, projectspecification and technical paragraph reference. Submittals shall also include applicable federal, military, industry, andtechnical society publication references, and years of satisfactory service, and other information necessary to establishcontract compliance of each item to be provided. Photographs of existing installations are unacceptable and will bereturned without approval.

A. Manufacturer's Catalog Data

Submittals for each manufactured item shall be current manufacturer's descriptive literature of cataloged products,equipment drawings, diagrams, performance and characteristic curves, and catalog cuts. Handwritten and typedmodifications and other notations not part of the manufacturer's preprinted data will result in the rejection of thesubmittal. Should manufacturer's data require supplemental information for clarification, the supplementalinformation shall be submitted as specified for certificates of compliance.

B. Drawings

Include wiring diagrams and installation details of equipment indicating proposed location, layout and arrangement,control panels, accessories, piping, ductwork, and other items that must be shown to ensure a coordinatedinstallation. Wiring diagrams shall identify circuit terminals and indicate the internal wiring for each item ofequipment and the interconnection between each item of equipment. Drawings shall indicate adequate clearancefor operation, maintenance, and replacement of operating equipment devices.

C. Instructions

Where installation procedures or part of the installation procedures are required to be in accordance withmanufacturer's instructions, submit printed copies of those instructions prior to installation. Installation of the itemshall not proceed until manufacturer's instructions are received. Failure to submit manufacturer's instructions shallbe cause for rejection of the equipment or material.

D. Certificates

Submit manufacturer's certifications as required for products, materials, finishes, and equipment as specified inthe technical sections. Certificates from material suppliers are not acceptable. Preprinted certifications and copiesof previously submitted documents will not be acceptable. The manufacturer's certifications shall name theappropriate products, equipment, or materials and the publication specified as controlling the quality of that item.Certification shall not contain statements to imply that the item does not meet requirements specified, such as "asgood as"; "achieve the same end use and results as materials formulated in accordance with the referencedpublications"; or "equal or exceed the service and performance of the specified material." Certifications shallsimply state that the item conforms to the requirements specified. Certificates shall be printed on themanufacturer's letterhead and shall be signed by the manufacturer's official authorized to sign certificates ofcompliance.

1. Reference Standard Compliance

Where equipment or materials are specified to conform to industry and technical society reference standardsof the organizations such as American National Standards Institute (ANSI), American Society for Testing andMaterials (ASTM), National Electrical Manufacturers Association (NEMA), Underwriters Laboratories Inc.(UL), and Association of Edison Illuminating Companies (AEIC), submit proof of such compliance. The labelor listing by the specified organization will be acceptable evidence of compliance.



2. Independent Testing Organization Certificate

In lieu of the label or listing, submit a certificate from an independent testing organization, competent toperform testing, and approved by the Design Professional. The certificate shall state that the item has beentested in accordance with the specified organization's test methods and that the item complies with thespecified organization's reference standard.

E. Material and Equipment Manufacturing Date

Products manufactured more than three years prior to date of delivery to site shall not be used, unless specifiedotherwise.


A. Material and Equipment Qualifications

Provide materials and equipment that are products of manufacturers regularly engaged in the production of suchproducts which are of equal material, design and workmanship. Products shall have been in satisfactorycommercial or industrial use for 2 years prior to bid opening. The 2-year period shall include applications ofequipment and materials under similar circumstances and of similar size. The product shall have been on saleon the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-yearperiod. Where two or more items of the same class of equipment are required, these items shall be products ofa single manufacturer; however, the component parts of the item need not be the products of the samemanufacturer unless stated in the technical section.

B. Regulatory Requirements

Equipment, materials, installation, and workmanship shall be in accordance with the mandatory and advisoryprovisions of NFPA 70.

C. Alternative Qualifications

Products having less than a 2-year field service record will be acceptable if a certified record of satisfactory fieldoperation for not less than 6000 hours, exclusive of the manufacturers' factory or laboratory tests, is furnished.

D. Service Support

The equipment items shall be supported by service organizations which are reasonably convenient to theequipment installation in order to render satisfactory service to the equipment on a regular and emergency basisduring the warranty period of the contract.

E. Manufacturer's Nameplate

Each item of equipment shall have a nameplate bearing the manufacturer's name, address, model number, andserial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not beacceptable.

F. Modification of References

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though theword, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications tothe "authority having jurisdiction," or words of similar meaning, to mean the Design Professional.



1.7 ELECTRICAL REQUIREMENTS

Electrical installations shall conform to IEEE C2, NFPA 70, and requirements specified herein.

1.8 INSTRUCTION TO CITY PERSONNEL

Where specified in the technical sections, furnish the services of competent instructors to give full instruction todesignated City personnel in the adjustment, operation, and maintenance of the specified systems and equipment,including pertinent safety requirements as required. Instructors shall be thoroughly familiar with all parts of theinstallation and shall be trained in operating theory as well as practical operation and maintenance work. Instructionshall be given during the first regular work week after the equipment or system has been accepted and turned overto the City for regular operation. The number of man-days (8 hours per day) of instruction furnished shall be asspecified in the individual section.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

3.1 PAINTING OF EQUIPMENT

A. Factory Applied

Electrical equipment shall have factory-applied painting systems which shall, as a minimum, meet therequirements of NEMA 250 corrosion-resistance test.




SECTION 16151

SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) SYSTEM

PART 1 GENERAL

1.1 WORK INCLUDED

A. This section covers work necessary for the design, documentation, assembly, test, installation, fieldtesting, startup, training, and final documentation for upgrading, and replacing the existing SupervisoryControl and Data Acquisition (SCADA) system for City of Alexandria Gas Department, as describedherein.

B. The naming of a manufacturer in this specification is not intended to eliminate competition or prohibitqualified manufacturers from offering equipment. Rather, the intent is to establish a standard ofexcellence for the material used, and to indicate a principle of operation desired. However, all equipmentfurnished shall be completely compatible with existing gas meters and regulators in service, at thesesites.

1.2 GENERAL

A. Major components of this system shall include the specified software, materials, equipment, andinstallation required to implement a complete and operational SCADA system along with any associatedpanel or field mounted instrumentation.

B. In order to achieve standardization for appearance, operation, maintenance, spare parts andmanufacturer's service, to the greatest extent possible, like items of equipment provided hereunder shallbe the end products of one (1) manufacturer.

C. Requirements for the electrical work associated with the installation of the SCADA system and associatedinstrumentation equipment are as specified in other Sections of this specification.

1.3 RESPONSIBILITY FOR COMPLETE SYSTEM

A. The CONTRACTOR shall be responsible for and shall provide for the design, supply, delivery,installation, certification, calibration and adjustment, software configuration, testing and startup, ownertraining, warranty and routine future field services, of a complete coordinated system which shall performthe specified functions.

B. The OWNER and the ENGINEER will review system technical information as submitted by theCONTRACTOR for software; operating system, database, control strategies and the graphical userinterface, i.e. report and log formats, graphics, trends, alarming, etc. for complete compliance with thesespecifications.

C. The CONTRACTOR shall provide the OWNER with all services and hardware to ensure that propercommunications are established with off-site remote locations that are to be monitored and controlled.This work shall include, but not be limited to:

1. The System communications shall be based on the use of 900 MHz radio transceivers. The Ownersexisting frequency and FCC license will be reused and amended as needed. The System suppliershall perform a radio propagation path analysis based on the use of this frequency to determine

SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) SYSTEM 16151-1


suitability for use, required antenna heights, use and location of repeater units. The radio systemshall be designed for 98% or better reliability for each station. All paths shall be designed with a fademargin of 20 dB or better. If the analysis requires installing any RTU antenna at a height abovegrade, or installation of another repeater, the cost of this solution will be negotiated as part of aChange Order.

2. If FCC radio licensing is required by frequency selection, the system supplier shall be responsible tocontract and coordinate with the appropriate FCC authorized Frequency Coordinator for radiocommunications in the project area. This includes but not limited to: Assist in the preparation andsubmittal of FCC main form 600 and necessary related schedules for application of licensing ofassigned radio frequencies. If radio telemetry system design mandates, assist Owner in preparationof any FAA forms or schedules required to gain FCC and FAA approvals.

3. All coordination and license application fees required for licensing shall be included in the bid price.The Owner will execute the necessary FCC documents at such times as needed during the licensingprocess.

4. The system supplier shall provide and the CONTRACTOR shall install all radio, antenna, antennasupports, antenna grounding, antenna cable, surge arrestors and other hardware necessary for theradio systems, at the sites receiving new RTU’s and at the Gas Department Main Office.

D. John H. Carter Company, Inc. of Shreveport, LA is the named supplier for the SCADA system asdescribed herein. Contact Mr. Brian Raupp at (318)861-0168.

1.4 PREBID SUBMITTAL

A. General: Any system supplier other than the named pre-approved system supplier must submit a pre-bidsubmittal document fourteen (14) calendar days prior to project bid date. Provide two bound copies, withtabbed dividers and contents organized and presented as hereinafter specified.

1. Pre-Bid approval does not exempt the CONTRACTOR from meeting all the requirements of theContract Documents nor does it give any prior acceptance of any equipment, software or services.The Contract Documents are the final authority for acceptance of the work provided. The Pre-BidSubmittal is not a part of the contract documents and as such does not exempt the CONTRACTORfrom the requirements of contract submittals described hereinafter.

2. Information contained in the Pre-Bid Submittal shall be considered public information. All datasubmitted will become and remain the property of the OWNER; none will be returned.

3. It is intended that the OWNER shall receive the full benefit of any savings in cost involved inmaterials substitution as a result of a reduction of the contract price should they decide to accept analternate.

4. The ENGINEER’S decision as to pre-bid approval shall be final. The Consulting ENGINEER shall beconsidered the sole judge of the merits of the alternate system and shall indicate pre-approval of thealternate system via a written addendum to the specifications prior to the actual bid date.

5. The right is reserved to reject any and all proposals, to waive any informality, irregularity, mistake,error or omission in any proposals received and to accept the proposal, as determined by theENGINEER or OWNER, deemed most favorable to the OWNER’S interests.



B. Contents:

1. Include a complete Table of Conformance to each and every paragraph or part of the specifications.Use a chart format with specification part identified, indicate whether each part is in compliance, adeviation or an exception to the specific part. If an exception or deviation, include a narrativedescription as to how the deviation or exception can benefit the end-user of the system over that itemspecified.

2. Provide a block diagram of the proposed system showing all major components and theirinterconnections and interrelationships. Label each diagram and indicate all external power andcommunications interfaces. All diagrams shall be in an 11 by 17 format.

3. Provide a written overview of the proposed SCADA system describing the principal functions andcapabilities of the system’s PC, PLC’s, system communications and general system capabilities(maximum number of network nodes, PLC’s and I/O points, communication protocols available, etc.).

4. Provide an equipment list with descriptive literature and specifications for the proposed system. Included on the list shall be all major hardware items. List shall include as a minimum, themanufacturer, the quantity provided, and model numbers for each.

5. Provide an operating system and software applications list with descriptive literature for the proposedsystem. Include all major software items, supplier name, quantity, and model numbers. Indicatewhether any proposed software is proprietary and would not be turned over to the owner.

Information is required for:

a. Name and version of the required PC’s operating system.

b. Name and version of the proposed computer operator graphical user interface softwarepackage.

c. Name and version of the PLC on-line/off-line programming software for all controllers

d. Name and version of any required communications software, firmware, etc.

e. Name and version of the required report application software

f. Name and version of the required maintenance application software.

g. Describe how system data points are linked from the system database into various applicationssuch as reporting or maintenance. If via DDE (Dynamic Data Exchange) describe specificallythe steps required to import data automatically and on-line into the proposed softwareapplications.

h. Briefly describe the required procedure for configuration and/or programming of the proposedsystem to add a simple remote PLC to the system in the future. Describe in detail, specificallyhow communications are programmed for the future remote PLC and the necessary changesrequired at the main controller.

i. Provide a description of any non-resident software required to program, troubleshoot ordiagnose any devices in the system.



6. The system supplier must be an authorized System Integrator for the named PLC hardware/softwaresupplier. Verification certificates shall be submitted directly from the manufacturer of the PLChardware. In addition, submit references for minimum of (5) locations where the PLC equipment hasbeen successfully installed, including name, address and telephone number for the appropriate utilityperson to contact.

7. The system supplier must be an authorized facility for assembly of control panels in accordance withUL-508, 913, 698A standards as may be required by these specifications. Submit system supplier’sUL number which verifies their panel assembly shop is capable of providing UL labeled controlpanels.

8. Provide a tentative construction schedule for completion of the project within the specified Contractperiod. Indicate the following activities with milestones: Mobilization, submittal preparation, submittalreview, equipment procurement, equipment assembly, system configuration and programming,factory testing, system delivery, system installation, startup, field testing and training, and postacceptance routine service intervals.

9. Describe the system supplier’s provisions for service, technical assistance and re-placement parts forthe proposed system. Include the system supplier’s 1-800-toll free number. Identify with resumes, allpersonnel who will be providing technical support services for the project after it is accepted.

1.5 SUBMITTALS

A. HMI Hardware Requirements: The Owner will furnish servers, PC’s, printer, switch, router/firewall andethernet to fiber converters for use as HMI/MTU hardware. Contractor shall furnish a detailed list ofhardware requirements, including required memory, processors, operating system software, and allrequired accessories as soon as Contract is Awarded. This will confirm data submitted as part of Pre-BidSubmittal.

B. RTU Submittals: Before any components are fabricated, and/or integrated into assemblies or shipped tothe job site, furnish to the ENGINEER for their review six (6) copies of submittal documents. Submittalsshall include full details, shop drawings, catalog cuts and such other descriptive matter and documentationas may be required to fully describe the equipment and to demonstrate its conformity to thesespecifications. Specifically, the CONTRACTOR shall submit the following materials:

1. Block diagram and operational description of the system showing all major components and theirinterconnections and interrelationships. Label each diagram and specify all external power andcommunications interfaces. All diagrams shall be in an 11” x 17” format. Required documentationsets shall be furnished in bound hardcopy and final documentation shall also be provided in electronicformat on CD.

2. Drawings of equipment to be supplied shall include, as a minimum: overall dimension details for eachpanel, console, etc., including internal and external arrangements and door mounted operatordevices with nameplate designations. Wiring diagrams of equipment including field deviceconnections shall be included and specific installation/wiring requirements identified.

3. Operational Description shall include the principal functions/capabilities of the PLC’s as provided andconfigured /programmed. Included shall be a description of system communications.

4. Provide a detailed Bill of Materials along with descriptive literature identifying component name,manufacturer, model number, and quantity supplied.



C. Software Submittals:

1. Provide complete user manuals for all supplier configured software.

2. Where custom code is used to implement required features, provide ample programs for project inhardcopy form. As a minimum, hardcopy form shall be fully documented, including code, comments,addressing data and cross-references, etc. Every line or section of code shall be accompanied by acomment describing its function.

3. Provide initial graphic display and report format layouts as described later in this specification. Listand briefly describe all operator interface functions provided at the PC, including: alarm annunciationand acknowledgment, status displays, control capabilities, report generation, event logging, chartingand trending, etc.

D. Test Outlines and Procedures Submittals

Test descriptions shall be in sufficient detail to fully describe the specific tests to be conducted to demonstrateconformance with this specification.

E. Spares and Expendable Recommendations

The CONTRACTOR shall provide a list of recommended spares and expendable items. The list shall beexclusive of any spares furnished under this Contract. A total purchase cost for the recommended list shall beprovided in addition to the unit cost for each item.

1.6 ON SITE SUPERVISION

The CONTRACTOR shall provide experienced personnel to supervise, perform, and coordinate the installation,adjustment, testing, and startup of the SCADA system. The personnel shall be present on-site as required to affecta complete and operating system.

1.7 TESTING AND STARTUP

A. All elements of the SCADA system shall be tested to demonstrate that the total system satisfies all of therequirements of this Specification. The CONTRACTOR shall provide all special testing materials andequipment. The CONTRACTOR shall coordinate and schedule all of his testing and startup work with theOWNER. As a minimum, the testing shall include both a factory test and a field test. Testing requirementsare as follows:

1. Factory Tests: The PC with peripherals, PLC’s and all other associated hardware shall be tested atthe factory, prior to shipment, so as to demonstrate that each component is operational and meetsthe requirements of these specifications. The OWNER or ENGINEER may witness factory testing. Test results shall be certified, with written documentation provided to the OWNER upon testcompletion.

2. Field Tests: All system components shall be checked to verify that they have been installedproperly and that all terminations have been made correctly. Witnessed field tests shall be performedon the complete system. Each function shall be demonstrated to the satisfaction of the OWNER andENGINEER on a paragraph-by-paragraph basis.



Each test shall be witnessed and signed off by the CONTRACTOR and the ENGINEER uponsatisfactory completion. The CONTRACTOR shall notify the OWNER at least one (1) week prior tothe commencement date of the field tests.

1.8 TRAINING

A. The training program shall educate operators, maintenance, engineering, and management personnel withthe required levels of system familiarity to provide a common working knowledge concerning all significantaspects of the system being supplied. The training program shall consist of two 8-hour days. Bothclassroom-type and field site sessions shall be provided. At least two weeks prior to the requested start ofthe program, the proposed dates of training shall be submitted to the OWNER and the ENGINEER forapproval.

B. The supplier shall provide all instructional course material, equipment and manuals to conduct the trainingprogram. OWNER shall provide facilities for the training.

1.9 OPERATION AND MAINTENANCE MANUALS

A. The system supplier shall provide two (2) copies of Operation and Maintenance manuals when the systemships. These manuals shall include copies of all PLC programs written to accomplish the monitoring andcontrol functions specified.

B. The submitted literature shall be in sufficient detail to facilitate the operation, removal, installation,programming and configuration, adjustment, calibration, testing and maintenance of each componentand/or instrument.

C. The CONTRACTOR shall provide (3) complete sets of hard-covered ring bound loose-leaf O&M manualsafter startup is complete and the field modifications have been documented. In addition to “as-built”system drawings, the manuals shall include internal wiring diagrams and operating and maintenanceliterature for all components provided under this section. Programs shall be updated after startup iscomplete, with two (2) copies of the program(s) provided to the OWNER on compact disk (CD).

D. The contents of the O&M manuals shall be generally organized as follows:

1. System Installation

2. System Software

3. Operation

4. Maintenance and Troubleshooting

E. A separate section containing all data pertinent to the radio system shall be provided. This section shallinclude:

1. Radio system block diagram.

2. Licensing information where applicable. OWNER shall provide a photocopy of the FCC license forincorporation into the manuals.



1.10 DEFINITION OF ACCEPTANCE

A. System acceptance shall be defined as that point in time when the following requirements have beenfulfilled:

1. All O&M documentation has been submitted, reviewed and approved.

2. The complete SCADA system and instrumentation have successfully completed all testingrequirements specified herein and have successfully been started up.

3. All OWNER’S staff personnel training programs have been completed.

4. OWNER/ENGINEER sign a document indicating SCADA system has formally been accepted.

PART 2 PRODUCTS

2.1 GENERAL

A. The functions and features specified herewith are the minimum acceptable requirements for the SCADAsystem. The provided system shall equal or exceed each requirement.

B. In some cases, the specifications may allow the accomplishing of certain functions by means of morethan one hardware/firmware/software approach. Any approach that is proposed shall equal or exceed allfunctional, operational, convenience and maintenance aspects of the one described.

C. Major equipment, component and software items are specified; however the CONTRACTOR shall,provide all pertinent items necessary to achieve the required operation as hereinafter specified.

2.2 FUNCTIONAL REQUIREMENTS

A. A Supervisory Control and Data Acquisition (SCADA) system will be provided to monitor and control theGas Department’s meter, regulator, pressure monitoring, and odorant injection stations.

B. The Gas Department SCADA Room will be configured with the following Owner-furnished hardware:

One PC work station for monitor and control of sitesOne network printerOne UPS system to power all above (10 minute)Bye & Word Order Swapping

The Gas Department Radio Room will be configured with the following Owner-furnished hardware:

One network operating serverOne network Accessible Storage serverOne managed switch (8 port)One router/firewall for connection to City of Alexandria NetworkThe ethernet to fiber converters to interface between radio and managed switchOne UPS system to power all above

The Contractor shall be responsible for configuration, installation, connection, and testing of thisequipment for communications with the RTU’s.



C. A Spread Spectrum Omni antenna will be provided and installed on the existing tower with new coax runto the Gas Department Radio Room. An omnidirectional antenna array will be installed. The existing 900Mhz antenna, coax, radio, etc. will be removed.

D. A radio-based telemetry system will collect data and control remote processes as described herein. TheGas Department SCADA Room will be equipped with a radio-based Master Telemetry Units (MTU) thatwill communicate with the following Remote Telemetry Units (RTU’s) via radio transceivers:

RTU Location Site Type 1 Alexandria #1, Casson & Main A 2 Alexandria #2, Samtown B 3 Alexandria #3, New York & Elaine C 4 Alexandria #4, New York & Broadway D 5 England Air Park F 6 Industrial Park F 7 Power Plant H 8 Leo & Thomas F 9 Madeline F10 Twin Bridges F11 Heyman & Highway 28 F12 Enterprise & England F13 Texas & Rapides F14 Texas & Rosalind F15 Texas & Masonic F16 Dallas & Lee #2 F17 Dallas & Lee #1 G18 Airview Terrace F19 Karst Park F20 Versailles F21 St. Mary’s F22 Chester & Vance G23 Dallas & Broadway G24 Chester & Masonic G25 Watson & Harris G26 Chester & Elliott G27 Chester & Rapides G28 6 & Lee Gth

29 Foisy & Monroe G30 Farmer’s Market G31 Alexandria #5, Twin Bridges & LIG E32 Gene Ball I

34 Hwy 1 & Enterprise F

Repeater Coliseum J



E. The “Site Types” referred to in the table above can be described by the following charts for Inputs,outputs, and Internal Computational requirements of the RTU’s. Abbreviations are summarized asfollows:

U/SP - Upstream pressureD/SP - Downstream pressureRV#1 - Regulator Valve #1 positionRV#2 - Regulator Valve #2 positionTM - Turbine MeterHSC - High speed counterDFP - Differential pressureTemp - TemperatureOI - Odorant injectionLSC - Low speed counterEQM - Equipment chargerLIGP - Louisiana Interstate Gas pressurePID - Proportional - Integral-Derivative controlSP - Static pressureAGA - Office plate gas flow equation

RTU CONFIGURATIONS

Site Analog Analog Discrete Computational Type Inputs Outputs Inputs Requirements

A U/SP RV#1 RTU Door PID - Rv’s D/SP RV#2 TM HSC-Flow rate & volumeZone 7A U/SP 7A RV#1 Bldg. DoorZone 7A D/SP 7A RV#2 EQM

B U/SP RTU Door D/SP TM HSC-Flow rate & volume

EQM OI LSC-Odorant volume

C LIGP RV#1 RTU Door PID - Rv’s U/SP RV#2 TM HSC-Flow rate & volume D/SP EQM

D U/SP RV#1 RTU Door PID - Rv’s D/SP RV#2 TM HSC-Flow rate & volume

EQM Bldg. Door

E SP OI Control RTU Door DFP#1 OI LSC-Odorant volume DFP#2 AGA#1-Flow rate & volume TEMP AGA#2-Flow rate & volume

F U/SP RTU Door D/SP



Site Analog Analog Discrete Computational Type Inputs Outputs Inputs Requirements

G U/SP RV#1 RTU Door PID - Rv’s D/SP RV#2

H U/SP RTU Door D/SP DFP#1 AGA#1-Flow rate & volume DFP#2 AGA#2-Flow rate & volume

TEMP

I RTU Door OI LSC-Odorant volume

J RTU Door

2.3 COMPONENT SPECIFICATIONS

A. RTU’s

The RTU’s with radios shall be Contractor furnished, Contractor installed. These units shall include anEmerson FloBoss 107 Base Unit, or equal, PLC/EFM Hybrid and space for a four-slot expansion rack. TheBase Unit shall include one CPU card with six configurable I/O ports, and RS232 & RS485 communicationports, one communications card with ethernet and USB ports, one Ai/DI card with eight configurable analog ordiscrete input ports, and one multi-variable sensor (MVS) card with up to six MVS transmitters for meter runs.Additional IO cards shall be added as necessary to meet the requirements set forth above. RTU’s shall befurnished with FreeWave Technologies FGR2-PE, Spread Spectrum, ethernet radios, utilizing AES 128encryption, and communicating with FHSS Technology. Each RTU/EFM shall contain a bulkhead mountedPolyphaser, or equal, lightning protector for antenna connection. Provide coaxial jumper within enclosure fromradio RF port to polyphaser. Each RTU/EFM shall contain a 120 volt AC charger. Each RTU/EFM shall beenclosed in a properly sized, hinged cover, NEMA 3R, painted steel enclosure manufactured by Hoffman, orequal. The enclosure shall include a painted steel back panel with a ten (10) point ground bar for shieldterminations and earth grounding. The enclosure shall be equipped with a tamper switch to detect when theenclosure door is open. Each RTU/EFM shall be furnished with one (1) MDS #97-3194-A14, or equal, 6element, 10 dB gain YAGI antenna tuned to the selected radio frequency. Contractor shall furnish mountinghardware (and pole, where required), mount and aim antenna, and connect from antenna to RTU/EFM withcontractor furnished cable and connectors. Antenna cable shall be LMR 400 in lengths up to 35', and LMR 600where lengths exceed 35'. Each RTU/EFM shall be furnished with two (2) 100 amp/hour AGM gelcell batteriesin a fiberglass NEMA 3R enclosure.

The PLC system shall be based on a scalable modular multi-use open architecture platform that can beefficiently applied to perform the necessary functions at each location. Each controller/telemetry unit shall bea modular hardware style PLC consisting of a CPU with adequate memory and instructions, power supply,local and remote input/output modules, communications ports, and all other components required to make theunit perform all of the functions required in this specification. The PLC shall make all computations requiredherein and shall store 45 days of historical data in a daily and hourly format. It shall also store 45 days of AGAevents and alarms.

It is required that the same model PLC device be used throughout the SCADA system providing a completesolution with one common technology. This is to insure complete system continuity, compatibility between like



devices, enhancing overall system efficiency by the reduced need to learn, maintain, support and carry spareparts for multiple technologies.

B. MTU

1. General

a. The Gas Department SCADA room site shall be equipped with a new OWNER furnished serverbased MTU system with CONTRACTOR furnished and installed software to make the unitperform all of the functions required by this specification. RTU’s shall communicate with the MTUover the previously specified telemetry medium.

b. All control signals, status signals, alarm and process variable data shall be transmitted andreceived between the central location and the remote sites via the SCADA system. The systemshall convert commands, alarms and variable analog data to digital blocks and transmit thisinformation between the Central and the multiple remote locations. The master computer andremote PLCs shall be capable of stand-alone control to maintain programmed logic.

c. Unit shall be furnished completely configured and tested providing the specified communication,monitoring, display, input/output, annunciation, computational and other requirements foroperation of the SCADA system. Any additional components required for operation, whetherspecifically referenced herein or not, shall be provided.

2. Main Computer and Peripherals: The main computer OWNER furnished hardware system shall beconfigured as follows:

a. Manufacturer: Dellb. Model: Precision T3600 Workstationc. Processor: Quad Core Intel® Xeon® W3530 2.80 Ghz, 8M L3, 4.8 GT/sd. Memory: 4GB, 1333 MHz, DDR3 SDRAM, ECC (2 DIMMS)e. Hard Drive Controller: Integrated Intel chipset SATA 3.0Gb/s controllerf. Storage: All SATA, RAID 5 for 3 Hard Drives, each as 500 GB/s with NCQ and 16 MB DataBurst

Cache™g. CD-ROM, DVD and Read-Write Devices: 16XDVD+/-RWh. Graphics: 256MB ATI Fire MV® 2260, 2MON, 2 DP w/1 DP to DVI Adapteri. Monitor: Dell UltraSharp™ U2410 24in HAS Wide Monitor, VGA/DVI/DP/HDMIj. Network Adapter: Broadcom NetXtreme 10/100/1000 Gigabit Ethernet controller-PCI Express

cardk. Sound Card: SoundBlaster® X-Fi XtremeMusic™ (D)w/Dolby® Digital 5.1l. Speakers: Dell AX510 Sound Bar for all UltraSharp Flat Panel Displaysm. Keyboard: Dell USB Entry Business Keyboard, Englishn. Mouse: Dell MS111 USB Optical Mouseo. Operating System: Genuine Windows® 7 Professional, 64-bit, Englishp. Productivity Software: Microsoft® Office Home and Business 2010 with Adobe Acrobat X

Standard Englishq. Warranty: 3 year basic limited warranty and 3 year NBD on-site service

3. Printer (OWNER furnished)

Provide one desktop Laser Jet printer to serve as event printer and report printer. Printer shall utilizea high speed USB or parallel interface. Unit shall be capable of 15-page-per-minute Black & White.



Printer shall be HP Laser Jet P2055dn or approved equal. An AC power strip with surge protectionshall be provided for this printer.

4. Uninterruptible Power Supply (UPS): OWNER will provide two units as follows:

a. UPS 1: This will be an APC SMART UPS RT 2200VA Rack Unit with 1 SURTA48RMXLBP20battery pack. All items located in the Radio Room will be powered from this UPS. The supplierwill configure all computers to monitor this UPS and perform an orderly shut down upon warningfrom the UPS. This unit will require a dedicated 20 amp 120vac circuit having a NEMA 5 - 20Preceptacle.

b. UPS 2: This will be an APC Power Saving Back-UPS 750, 10 outlet, 750VA, 120V, without autoshutdown (PN BE750G). This will be located in the SCADA room.

5. Ethernet to Fiber converters (OWNER furnished): Ethernet to fiber converters will be TRENDnetTFC-110MST. Two are required along with an appropriate fiber patch cable. This equipment willprovide isolation between the radio system and the HMI computer system.

6. AC power distribution strips will be provided by OWNER as needed to effect a neat installation.

C. Repeater Site: At the repeater site on Coliseum Boulevard, the contractor shall perform the followingtasks:

1. Provide and install new antenna, coax antenna trunk cableRF jumper, and polyphazer. Groundpolyphazer to Comm. Building existing ground grid.

2. Provide and install repeater within building. The repeater is to be powered from building 120vac.3. Install a RTU within building. This unit must monitor and report the repeater loss of 120vac power to

the HMI system.4. Provide battery backup for RTU and repeater sufficient for four (4) hours continuous operation upon

loss of 120vac power.5. The tower at the repeater site is approximately 180' tall.

2.4 SYSTEM SOFTWARE

A. General: HMI Software shall be Emerson’s Open Enterprise, latest version. System configuration shallbe protected from unauthorized changes by a password security system.

B. MTU- I/O Interfaces:

1. All equipment shall use by Exception reporting. The MTU will poll each RTU every few secondslooking for indication that a change of state has occurred. This change of state can be caused by adigital input or the result of an analog input low/high limit transition. The MTU will continually poll thefield PLC units. When the MTU detects a change of state in a PLC it will then poll the specific PLCfor data.

2. The system supplier will be given sufficient information (including addresses and methods) to enablehim to implement By Exception support in the MTU.

3. The MTU shall acquire historical records and event logs from the RTU’s on regular basis (once ortwice per day) and shall store that data in the MTU historical database using the RTU’s time stamp.If communication is lost between MTU and RTU, up to 31 days of historical data shall be capturedby the MTU when communication is restored.



C. Graphics: System shall be capable of providing both dynamic and static graphic displays. Dynamicgraphics shall provide real-time system information displays on the monitor. Alarms, status, and analogdata depicted on the screen shall be updated as data is made available to the computer.

1. System supplier shall create displays representing system processes and instrumentation asdescribed hereunder. These displays shall be built with object oriented graphic elements such asovals, rectangles, lines, arcs, circles and text. The graphics program shall utilize the software'sgraphical user interface (GUI) and include pull down menus and dialog boxes (or equivalent) tofacilitate the display creation process. Graphic displays to be provided under this contract shallinclude individual graphic display for each site in the system. Displays shall include such items asdigital and/or bar graph indication of analog process variables, and alarm and status indications foreach piece of monitored equipment.

2. Displays shall use the color capabilities of the video display system to visually indicate status, leveland alarm conditions of major components in the system. As the status of the actual componentschange, the color of the displayed symbol for the components shall change to denote their currentstatus. Setpoints and control points shall be modifiable when displayed on the screen by an operatorwho has been assigned access to this function.

3. Means shall be provided to allow the operator to print graphic displays

4. Provide an object oriented graphics and animation editor which includes the following:

a. Drawing tools with CAD like capabilities

square/rectangle rounded rectangle shaded "3D' button circle/ellipse multi-segment line polygon

straight line historical trend Import/export bitmap real time trend

b. Editing tools for:

arranging aligning layering spacing rotating inverting duplicating cutting copying pasting

c. Animation links for creating:

Discrete/Analog/String touch inputs Horizontal/Vertical sliders Action pushbuttons Show/Hide window buttons

Object Height/Width Vertical/Horizontal position Discrete pushbuttons Rotation Vertical/Horizontal percent fill Visibility/Blink Discrete/Analog/String value output Line/Fill/Text Color

No limit shall be attached to the number of animation links that can be attached to an object.Capability to create, edit screens or windows while simultaneously running the real-time HMIapplication shall be provided.

5. The system supplier will be given all documentation and application software for the new PLCequipment and will also be given a copy of the HMI application.



D. Trending

1. Analog graphic historical trend charts shall be available for all monitored analog process variables inthe system. These shall be displayed in strip chart style with the vertical axis depicting the variablevalue and the horizontal axis representing time. Each display shall be scaled in appropriatecoordinates for the specific variable being monitored. Chart time frame shall be operator selectablefrom a minimum of one minute to one year.

2. System shall be capable of displaying up to four (4) analogs on a single chart. Color shall be used todifferentiate between analogs. When multiple analogs are displayed, the vertical axis shall be scaledto a percentage of the operating range.

3. Ability to print historical trends shall be provided.

4. Analog variable for each chart shall be automatically sampled and the value stored on the systemhard drive. It shall be possible to import/export historical data in a CSV format to/from spreadsheets,other databases and editors.

E. Alarming

1. When an alarm condition occurs the following sequence shall be provided:

a. An alarm horn shall sound.b. The alarm shall be added to the Event Log.

2. Alarming capabilities shall include:

a. HighHigh/High/Low/LowLow

F. Report Generation System

1. A report generation system shall be included to create standard reports, lists, tables and graphiccharts. Report generation shall be invoked either on demand by the operator, by a monitored event,or automatically on a daily, weekly, monthly or yearly basis.

2. Report generation system shall be capable of producing daily, weekly, monthly and/or yearly reports.It shall be possible to configure the reports to meet management and government requirements asspecified herein. Reports shall be created using actual or calculated values from either the system'sreal-time database, the historical database, or manually entered data.

3. Reports can be created in pdf format and emailed to desired recipients on a scheduled basis.

G. Database

1. System shall utilize a Real-Time Database which stores current system values and status,annunciates alarm conditions and status changes, totalization and running time accumulation andprovides control logic for outputs based on information contained in the database. Analog datapoints shall be capable of having their values sampled for chart displays and reports, plus they shallbe used in comparisons for alarm and setpoint control.



2. System shall utilize a Historical Database to periodically collect information from the Real-TimeDatabase. The data shall be filed on the computer hard disk. Period between collections shall beadjustable from one day to one year, selectable by data point.

3. Data from the both the Real-Time and Historical Databases shall be available for displays andreports. Data shall be capable of being exported to third party spreadsheets or text files. In order toconserve system resources, all third party software shall reside on a separate computer.

H. Networking: Support shall be provided for any standard Ethernet network.

2.5 SYSTEM SPARES

Spare Parts: As part of this contract, the CONTRACTOR shall furnish five (5) each FloBoss 107 RTU’s completewith power supply, I/O modules, radio, ethernet switch, lightning arrestor, coax jumper, and enclosure. Parts shallbe provided in a single package with each component tagged.

PART 3 EXECUTION

3.1 GENERAL

A. Coordinate all work with the ENGINEER/OWNER to avoid conflicts, errors, delays and unnecessaryinterference with operation of the existing system during installation, testing, cutover and startup.

B. Install all new equipment in accordance with the manufacturer's instructions and approved submittals.

3.2 RTU Installation:

A. CONTRACTOR shall perform the following at each site:

1. Disconnect and remove existing RTU and turn over to OWNER.

2. Install new CONTRACTOR furnished RTU.

3. Disconnect and remove existing antenna and antenna cable.

4. Install new CONTRACTOR furnished antenna and connect to RTU with new CONTRACTORfurnished antenna cable (LMR 400 or LMR 600).

5. Ground RTU’s with #6 solid copper.

6. Ground antenna mount on all wood poles.

7. Aim antenna.

8. Reconnect inputs and outputs to RTU as described in the tables in this specification section.

9. Reconnect 120 volt power to RTU.




SECTION 16402INTERIOR DISTRIBUTION SYSTEM

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referredto in the text by the basic designation only.

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI C80.1 (2005) Electrical Rigid Steel Conduit (ERSC)

ANSI C80.3 (2005) Steel Electrical Metallic Tubing (EMT)

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

ASTM B 1 (2013) Hard-Drawn Copper Wire

ASTM B 8 (2011) Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft

INTERNATIONAL ELECTRICAL TESTING ASSOCIATION (NETA)

NETA ATS (2013) Acceptance Testing Specifications

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2008) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA ICS 1 (2000; R 2008; Errata 2010) Industrial Control and Systems; General Requirements

NEMA ICS 4 (2013) Industrial Control and Systems: Terminal Blocks

NEMA ICS 6 (1993; R 2011) Industrial Control and Systems: Enclosures

NEMA TC 2 (2013) Electrical Polyvinyl Chloride (PVC) Tubing and Conduit

NEMA TC 3 (2013) Polyvinyl Chloride PVC Fittings for Use with Rigid PVC Conduit and Tubing

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2011) National Electrical Code

NFPA 70E (2012; Errata 2012) Electrical Safety in the Workplace

UNDERWRITERS LABORATORIES INC. (UL)

UL 1 (2005; Reprint Jul 2012) Flexible Metal Conduit

UL 6 (2007; Reprint Nov 2010) Electrical Rigid Metal Conduit - Steel

INTERIOR DISTRIBUTION SYSTEM 16402-1


UL 20 (2010; Reprint Feb 2010) General-Use Snap Switches

UL 50 (2007; Reprint Apr 2012) Enclosures for Electrical Equipment

UL 83 (2008) Thermoplastic-Insulated Wires and Cables

UL 360 (2013; Reprint May 2013) Liquid-Tight Flexible Steel Conduit

UL 467 (2007) Grounding and Bonding Equipment

UL 486A-486B (2013) Wire Connectors

UL 486C (2013) Splicing Wire Connectors

UL 489 (2013) Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures

UL 506 (2008; Reprint Oct 2013) Specialty Transformers

UL 508 (1999; Reprint Oct 2013) Industrial Control Equipment

UL 510 (2005; Reprint Jul 2013) Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape

UL 514A (2013) Metallic Outlet Boxes

UL 514B (2012) Conduit, Tubing and Cable Fittings

UL 651 (2011; Reprint Mar 2012) Schedule 40 and 80 Rigid PVC Conduit

UL 797 (2007; Reprint Sep 2013) Electrical Metallic Tubing -- Steel

UL 1242 (2006; Reprint Jul 2012) Electrical Intermediate Metal Conduit -- Steel

UL 1449 (2006; Reprint Sep 2013) Surge Protective Devices

1.2 RELATED REQUIREMENTS

Section 16050, "Basic Electrical Materials and Methods," applies to this section with additions and modificationsspecified herein

1.3 SUBMITTALS: Submit the following:

A. Manufacturer's Catalog Data

1. Circuit breakers


In each standard referred to herein, consider the advisory provisions to be mandatory, as though the word "shall" hasbeen substituted for "should" wherever it appears. Interpret references in these standards to "authority havingjurisdiction," or words of similar meaning, to mean Design Professional.



PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

Materials, equipment, and devices shall, as a minimum, meet requirements of UL, where UL standards are establishedfor those items, and requirements of NFPA 70.

2.2 CONDUIT AND FITTINGS

Shall be rigid steel (zinc-coated) conduit, rigid nonmetallic conduit, intermediate metal conduit (IMC), electrical metallictubing (EMT), flexible metal conduit, and liquid-tight flexible conduit, conforming to the following:

A. Rigid Steel Conduit (Zinc-Coated): ANSI C80.1, UL 6.

B. Rigid Nonmetallic Conduit: PVC Type EPC-40 in accordance with NEMA TC 2.

C. Intermediate Metal Conduit (IMC): UL 1242, zinc-coated steel only.

D. Electrical Metallic Tubing (EMT):UL 797, ANSI C80.3.

E. Flexible Metal Conduit: UL 1.

1. Liquid-Tight Flexible Metal Conduit, Steel: UL 360.

F. Fittings for Metal Conduit, EMT, and Flexible Metal Conduit:

UL 514B. Ferrous fittings shall be cadmium- or zinc-coated in accordance with UL 514B.

1. Fittings for Rigid Metal Conduit and IMC:Threaded-type. Split couplings unacceptable.

2. Fittings for EMT: Steel or Die Cast compression type.

G. Fittings for Rigid Nonmetallic Conduit: NEMA TC 3.

2.3 OUTLET BOXES AND COVERS: UL 514A, cadmium- or zinc-coated.

2.4 CABINETS, JUNCTION BOXES, AND PULL BOXES

Volume greater than 100 cubic inches, UL 50, hot-dip, zinc-coated, if sheet steel.

2.5 WIRES AND CABLES

Wires and cables shall meet applicable requirements of NFPA 70 and UL for type of insulation, jacket, and conductorspecified or indicated. Wires and cables manufactured more than 12 months prior to date of delivery to site shall notbe used.

A. Conductors

Conductors No. 8 AWG and larger diameter shall be stranded. Conductors No. 10 AWG and smaller diametershall be solid, except that conductors for remote control, alarm, and signal circuits, classes 1, 2, and 3, shall bestranded unless specifically indicated otherwise. Conductor sizes and ampacities shown are based on copper,unless indicated otherwise. All conductors shall be copper.



1. Minimum Conductor Sizes: Minimum size for branch circuits shall be No. 12 AWG.

B. Color Coding

Provide for service, feeder, branch, control, and signaling circuit conductors. Color shall be green for groundingconductors and white for neutrals. Color of ungrounded conductors shall be as follows:

1. 120/240 volt, single phase: Black and red

C. Insulation

Unless specified or indicated otherwise or required by NFPA 70, power and lighting wires shall be 600-volt, TypeTHWN/THHN conforming to UL 83, except that grounding wire may be type TW conforming to UL 83;remote-control and signal circuits shall be Type TW or TF, conforming to UL 83. Where lighting fixtures require90-degree Centigrade (C) conductors, provide only conductors with 90-degree C insulation or better.

D. Bonding Conductors

ASTM B 1, solid bare copper wire for sizes No. 8 AWG and smaller diameter; ASTM B 8, Class B, stranded barecopper wire for sizes No. 6 AWG and larger diameter.

2.6 SPLICES AND TERMINATION COMPONENTS

UL 486A-UL486B for wire connectors and UL 510 for insulating tapes. Connectors for No. 10 AWG and smallerdiameter wires shall be insulated, pressure-type in accordance with UL 486A-UL486B or UL 486C (twist-on splicingconnector). Provide solderless terminal lugs on stranded conductors.

A. Temperature Limitations

Contractor shall comply with the temperature limitations included in NEC Article 110-14(c). Ampacity rating ofconductors shall be computed at the temperature rating of the equipment termination.

2.7 CIRCUIT BREAKERS

UL 489, thermal magnetic-type having a minimum short-circuit current rating equal to the short-circuit current ratingof the panelboard in which the circuit breaker shall be mounted. Breaker terminals shall be UL listed as suitable fortype of conductor provided. Series rated circuit breakers and plug-in circuit breakers are unacceptable.

2.8 GROUNDING AND BONDING EQUIPMENT

UL 467. Ground rods shall be copper-clad steel, with minimum diameter of 3/4 inch and minimum length of 10 feet.

PART 3 EXECUTION

3.1 INSTALLATION

Electrical installations shall conform to requirements of NFPA 70 and to requirements specified herein.



A. Wiring Methods

Provide insulated conductors installed in rigid steel conduit, IMC, rigid nonmetallic conduit, .or EMT, except wherespecifically indicated or specified otherwise or required by NFPA 70 to be installed otherwise. Grounding conductorshall be separate from electrical system neutral conductor. Provide insulated green equipment groundingconductor for circuit(s) installed in conduit and raceways. Minimum conduit size shall be 1/2 inch in diameter forlow voltage lighting and power circuits.

1. Restrictions Applicable to EMT

a. Do not install underground. b. Do not encase in concrete, mortar, grout, or other cementitious materials. c. Do not use in areas subject to severe physical damage including but not limited to equipment rooms

where moving or replacing equipment could physically damage the EMT. d. Do not use in hazardous areas. e. Do not use outdoors.

2. Nonmetallic Conduit

a. Restrictions applicable to PVC Schedule 401) Do not use above slab or grade.

3. Restrictions Applicable to Flexible Conduit: Use only as specified in paragraph entitled "FlexibleConnections."

4. Underground Conduit

Rigid steel; steel IMC; PVC, Type EPC-40. Convert nonmetallic conduit, other than PVC Schedule 40, to rigid,or IMC, steel conduit before rising through floor slab.

B. Conduit Installation

Unless indicated otherwise, conceal conduit under floor slabs and within finished walls, ceilings, and floors. Keepconduit minimum 6 inches away from parallel runs of flues and steam or hot water pipes. Install conduit parallelwith or at right angles to ceilings, walls, and structural members where located above accessible ceilings andwhere conduit will be visible after completion of project.

1. Conduit Support

Support conduit by pipe straps, wall brackets, hangers, or ceiling trapeze. Fasten by wood screws to wood;by toggle bolts on hollow masonry units; by concrete inserts or expansion bolts on concrete or brick; and bymachine screws, welded threaded studs, or spring-tension clamps on steel work. Threaded C-clamps maybe used on rigid steel conduit only. Do not weld conduits or pipe straps to steel structures. Load applied tofasteners shall not exceed one-fourth proof test load. Fasteners attached to concrete ceiling shall be vibrationresistant and shock-resistant. Holes cut to depth of more than 1 1/2 inches in reinforced concrete beams orto depth of more than 3/4 inch in concrete joints shall not cut main reinforcing bars. Fill unused holes. Inpartitions of light steel construction, use sheet metal screws. Where conduit crosses building expansion joints,provide suitable expansion fitting that maintains conduit electrical continuity by bonding jumpers or othermeans.



2. Directional Changes in Conduit Runs

Make changes in direction of runs with symmetrical bends or cast-metal fittings. Make field-made bends andoffsets with hickey or conduit-bending machine. Do not install crushed or deformed conduits. Avoid trappedconduits. Prevent plaster, dirt, or trash from lodging in conduits, boxes, fittings, and equipment duringconstruction. Free clogged conduits of obstructions.

3. Pull Wire

Install pull wires in empty conduits. Pull wire shall be plastic having minimum 200 pound tensile strength.Leave minimum 36 inches of slack at each end of pull wire.

4. Locknuts and Bushings

Fasten conduits to sheet metal boxes and cabinets with two locknuts where required by NFPA 70, whereinsulated bushings are used, and where bushings cannot be brought into firm contact with the box; otherwise,use at least minimum single locknut and bushing. Locknuts shall have sharp edges for digging into wall ofmetal enclosures. Install bushings on ends of conduits, and provide insulating type where required by NFPA70.

5. Flexible Connections

Provide flexible steel conduit between 3 and 6 feet in length for equipment subject to vibration, noisetransmission, or movement; and for motors. Install flexible conduit to allow 20 percent slack. Minimum flexiblesteel conduit size shall be 1/2 inch diameter. Provide liquidtight flexible conduit in wet and damp locations forequipment subject to vibration, noise transmission, movement or motors. Provide separate ground conductoracross flexible connections.

C. Boxes, Outlets, and Supports

Provide boxes in wiring and raceway systems wherever required for pulling of wires, making connections, andmounting of devices or fixtures. Boxes for metallic raceways shall be cast-metal, hub-type when located in wetlocations, when surface mounted on outside of exterior surfaces, and when specifically indicated. Boxes in otherlocations shall be sheet steel. Each box shall have volume required by NFPA 70 for number of conductorsenclosed in box. Boxes for mounting lighting fixtures shall be minimum 4 inches square, or octagonal, except thatsmaller boxes may be installed as required by fixture configurations, as approved. Boxes for use in masonry-blockor tile walls shall be square-cornered, tile-type, or standard boxes having square-cornered, tile-type covers.Provide gaskets for cast-metal boxes installed in wet locations and boxes installed flush with outside of exteriorsurfaces. Provide separate boxes for flush or recessed fixtures when required by fixture terminal operatingtemperature; fixtures shall be readily removable for access to boxes unless ceiling access panels are provided.Support boxes and pendants for surface-mounted fixtures on suspended ceilings independently of ceilingsupports, or make adequate provisions for distributing load over ceiling support members in an approved manner.Fasten boxes and supports with wood screws on wood, with bolts and expansion shields on concrete or brick, withtoggle bolts on hollow masonry units, and with machine screws or welded studs on steel. In open overheadspaces, cast boxes threaded to raceways need not be separately supported except where used for fixture support;support sheet metal boxes directly from building structure or by bar hangers. Where bar hangers are used, attachbar to raceways on opposite sides of box, and support raceway with approved-type fastener maximum 24 inchesfrom box. When penetrating reinforced concrete members, avoid cutting reinforcing steel.

1. Boxes: Boxes for use with raceway systems shall be minimum 1 1/2 inches deep, except where shallowerboxes required by structural conditions are approved. Boxes shall be minimum 4 inches square, exceptthat 4 by 2 inch boxes may be used where only one raceway enters outlet.



D. Conductor Identification

Provide conductor identification within each enclosure where tap, splice, or termination is made. For conductorsNo. 6 AWG and smaller diameter, color coding shall be by factory-applied, color-impregnated insulation. Forconductors No. 4 AWG and larger diameter, color coding shall be by plastic-coated, self-sticking markers; colorednylon cable ties and plates; or heat shrink-type sleeves.

E. Splices

Make splices in accessible locations. Make splices in conductors No. 10 AWG and smaller diameter withinsulated, pressure-type connector. Make splices in conductors No. 8 AWG and larger diameter with solderlessconnector, and cover with insulation material equivalent to conductor insulation.

F. Grounding and Bonding

In accordance with NFPA 70. Ground exposed, non-current-carrying metallic parts of electrical equipment, metallicraceway systems, and grounding conductor in metallic and nonmetallic raceways.

G. Owner-Furnished Equipment

Contractor shall install and make connections to Owner-furnished equipment to make equipment operate asintended, including providing miscellaneous items such as plugs, receptacles, wire, cable, conduit, flexible conduit,and outlet boxes or fittings.

H. Repair of Existing Work: Repair of existing work shall be performed as follows:

1. Workmanship: Lay out work in advance. Exercise care where cutting, channeling, chasing, or drilling offloors, walls, partitions, ceilings, or other surfaces is necessary for proper installation, support, oranchorage of conduit, raceways, or other electrical work. Repair damage to buildings, piping, andequipment using skilled craftsmen of trades involved.

2. Continuation of Service: Maintain continuity of existing circuits of equipment to remain. Existing circuitsof equipment shall remain energized. Circuits which are to remain but were disturbed during demolitionshall have circuits wiring and power restored back to original condition.

3.2 FIELD QUALITY CONTROL

A. Devices Subject to Manual Operation: Each device subject to manual operation shall be operated at leastfive times, demonstrating satisfactory operation each time.

B. 600-Volt Wiring Test: Test wiring rated 600 volt and less to verify that no short circuits or accidental groundsexist. Perform insulation resistance tests on wiring No. 6 AWG and larger diameter using instrument whichapplies voltage of approximately 500 volts to provide direct reading of resistance. Minimum resistance shallbe 250,000 ohms.



CITY OF ALEXANDRIA, LOUISIANA SCADA SYSTEM UPGRADES … · NATIONAL ELECTRICAL MANUFACTURERS...

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