Post on 28-Mar-2015
Saving Lives Through Passive Fire ProtectionSaving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
FIRESTOPSYSTEM SELECTION
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Using the UL Directory
• Fire Resistance Directory
• Alpha Numeric Numbering System
• Different for Joints and Penetrations
• Website is Most Current
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• UL Approved No Such Thing (Only AHJ approves products/systems
• UL Classified Lab has used the country requirements to evaluate the product for specific hazards or properties
• UL Listed Passes the standard test and is in the lab’s directory
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Finding a Through-Penetration Firestop System
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1. What type of building assembly is requiring firestopping? – Floor or Wall
2. What type of material is the building assembly– Concrete, CMU, Gypsum, Wood Frame
3. What is the penetrating item(s)?– Metallic, Nonmetallic, Cables, Insulated, Construction Joints, etc.
4. What are the specific descriptions regarding the penetrants?
– Diameter, quantity, type of plastic, type & thickness of insulation, etc.
5. What is the hourly rating you are looking for?– F Rating, T Rating
6. Are there any special considerations?– Movement, Environmental exposure
SYSTEM No. C-AJ-1379
F Ratings – 3 HrT Ratings – 0 Hr
1A. Floor or Wall Assembly – Min 4-1/2 in. thick reinforced normal weight (150 pcf) concrete.Wall may also be constructed of any UL classified Concrete Blocks*. Max diam of opening is26-1/2 in.
See Concrete Blocks (CAZT) category in the Fire Resistance Rating Directory for namesof manufacturers.
1B. Metallic Sleeve (optional) – Nom 16 in. (or smaller), Schedule 10 (or heavier) steel pipesleeve, cast or grouted into floor or wall assembly.
2. Through Penetrants – One metallic pipe or tubing to be installed concentrically oreccentrically into opening such that the annular space between the pipe and the periphery of theopening is min 0 in. (point of contact) to max 2-1/2 in. Pipe to be firmly supported on both sides ofopening. The following types and sizes of pipes may be used:
(a) Nom. 24 in. diam (or smaller) Schedule 30 (or heavier) steel or iron pipe.(b) Nom. 4 in. diam (or smaller) electrical metallic tubing.
3. Packing Material – Mineral wool insulation of min 4 pcf firmly pressed into opening as apermanent form. Insulation material to be recessed by min depth of 1/2 in. from top surface offloor or both surfaces of wall.
4. Fill, Void, or Cavity Materials* – Caulk – Min 1/2 in. thickness of fill material appliedwithin the annulus, flush with top surface of floor or both surfaces of wall. A min 1/4 in. crown ofthe caulking material shall be applied around the entire circumference of the pipe at the level ofthe floor surface or both wall surfaces.
W. R. GRACE & CO. – CONN. – FlameSafe® FS900+
* Bearing the UL Classification Marking.
Company ABC – SuperDuper Sealant
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Example 1:
UL Listed - Through Penetration System
C-AJ-1079
Navigating UL
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Navigating UL:
THROUGH PENETRATION FIRESTOP SYSTEMS (XHEZ)
First Alpha Character – signifies what is being penetrated
F = Floors
W = Walls
C = Walls and Floors
Combination – Floor or Wall
C-AJ-1079
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Navigating UL:THROUGH PENETRATION FIRESTOP SYSTEMS (XHEZ) Following Alpha Character(s) – wall or floor construction type A = Concrete floors 5 inch thickB = Concrete floors 5 inch thickC = Framed floorsD = Steel decks in marine vesselsE-I = Reserved for future useJ = Concrete or masonry walls 8 inch thickK = Concrete or masonry walls 8 inch thickL = Framed wallsM = Bulkheads in marine vesselsN-Z = Reserved for future use C-AJ-
1079Construction Type of Floor or Wall
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Navigating UL:THROUGH PENETRATION FIRESTOP SYSTEMS (XHEZ) Numeric Component – first digit identifies the type of penetrant, next
three are sequential system numbering 0000-0999 = No Penetrant 1000-1999 = Metallic pipe, conduit or tubing 2000-2999 = Nonmetallic pipe, conduit or tubing 3000-3999 = Electrical cables 4000-4999 = Cable trays with electrical cables 5000-5999 = Insulated pipes 6000-6999 = Busways 7000-7999 = HVAC ducts 8000-8999 = Mixed multiple penetrations 9000-9999 = Reserved for future use C-AJ-
1079Individual System Number
C-AJ-1079Penetrant Type
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Finding a Fire-Resistive Joint System
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1. What type of building assemblies is the joint formed by? – Floor/Floor, Floor/Wall, Wall/Wall, Top of Wall/Ceiling
2. What type of material is the building assembly– Concrete, CMU, Gypsum
3. What is the hourly rating you are looking for?– Assembly rating (1 – 4 hour)
4. How big of a joint is required (inches)
5. How much movement is required?– Must accommodate building movement (% of joint size)
6. Are there any special considerations?– Unique construction condition, environmental exposure
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HW-D-0034
Example 2: UL System - Joints
Navigating UL
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Navigating UL:
JOINT SYSTEMS (XHBN)
First Two Alpha Characters – identify the type of joint system
FF = Floor-to-Floor
WW = Wall-to-Wall
FW = Floor-to-Wall
HW = Head-of-WallHW-D-0034Barriers That Form The Joint
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Navigating UL:
JOINT SYSTEMS (XHBN)
Next Alpha Character – identifies the movement capabilities of the system
D = Dynamic (movement capabilities)
S = Static (no movement capabilities)
HW-D-0034Movement: Static or Dynamic?
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Navigating UL:
JOINT SYSTEMS (XHBN)
Numeric Component – first digit identifies the width of the joint system, next three are sequential system
numbering 0000-0999 = joint 2 inch 1000-1999 = joint 2 inch 6 inch2000-2999 = joint 6 inch 12 inch3000-3999 = joint 12 inch 24 inch4000-4999 = joint 24 inch
HW-D-0034Individual System Number
HW-D-0034Joint Width
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Finding a Perimeter Joint System
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1. What is the makeup of the exterior wall? – Concrete panel, Spandrel Glass, Aluminum Panel, Brick Veneer, etc.
2. What supports the exterior wall?– Steel stud, aluminum mullions, etc.
3. What is the hourly rating you are looking for?– F rating (1 – 2 hour)
4. How big of a joint is required (inches)– Measured from edge of slab to nearest point of curtain wall
5. How much movement is required?– Must accommodate building movement (% of joint size)
6. Are there any special considerations?– Unique construction condition, environmental exposure
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Example 3: OPL System - Fire Resistive Joints
- Perimeter Barriers
CEJ 205 P
CEJ 148 H
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Deciphering Alphanumeric Numbering - OPL
- Fire Resistive Joints
- Perimeter Fire Barriers
First Three Alpha Characters – identify the type of construction
CEJ = Construction/Expansion Joints
CEJ 205 P Construction/Expansion Joint
CEJ 148 H
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Deciphering Alphanumeric Numbering - OPL
- Fire Resistive Joints
- Perimeter Fire Barriers
Numeric Digits – identify the individual system number
CEJ 205 P Individual System Number
CEJ 148 H
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Deciphering Alphanumeric Numbering - OPL
- Fire Resistive Joints- Perimeter Fire Barriers
Suffix – identify the type of joint system
F = Floor-to-FloorH = Head-of-Wall
W = Wall-to-WallP = Perimeter
FW = Floor-to-WallCEJ 205 P Type of Joint System
CEJ 148 H
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Engineering Judgments (EJs):
• What are they?
• When are they acceptable?
• When are they not appropriate?
• What are the guidelines?
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Saving Lives Through Passive Fire ProtectionSaving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
When are they acceptable?– When tested systems do not exist.– When modifying the application is unrealistic.– When existing test data supports the
interpolation. – When the author has experience with and
knowledge of the conditions. – When an illustration is provided to aid in
installation.
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Sources of Engineering Judgements
• Manufacturer
• Third party labs (UL)
• Fire Protection Engineer
• Professional Engineer
Must be based on sound engineering practice and knowledge of both field application and capabilities
of system components
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– According to the International Firestop Council “listed firestop systems can be broadened within the context of their originally tested and rated conditions through the careful and restricted application of accepted engineering principles and fire protection testing guidelines.”
Saving Lives Through Passive Fire ProtectionSaving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
About the IFCThe International Firestop Council is a not-for-profit association of manufacturers, distributors and installers of fire protective materials and systems.
IFC's mission is to promote the technology of fire containment in modern building construction through research, education and development of safety standards and code provisions.
Website - www.firestop.org
Email - Info@firestop.org
Saving Lives Through Passive Fire ProtectionSaving Lives and PropertyThrough Fire and Smoke Containment ©2004 IFC
Available educational seminars on our website include…..
• Firestop 101 – An introduction to firestopping
• Perimeter Curtain Wall Fire Protection
• Firestop System Selection
• Flexible Duct Wrap Systems
• Fire Protection of Construction Joints