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PROJECT SPECIFICATIONS APPENDIX A PART II

SECTION 23 FIRE FIGHTING & FIRE FIGHTING SYSTEMS

SECTION 23

FIRE FIGHTING & FIRE FIGHTING SYSTEMS

PART 6 PROJECT SPECIFIC REQUIREMENTS

6.3 FIRESTOPPING

6.3.1 PART INCLUDES

1. Provide firestop systems consisting of a material, or combination of materials,installed to retain the integrity of fire-rated construction by maintaining aneffective barrier against the spread of flame, smoke, or gases through

penetrations in fire-rated barriers. Firestops shall be used in locationsincluding, but not limited to, the following:a. Penetrations through fire-resistance-rated walls, partitions, floor and

roof construction including both empty openings and openingscontaining cables, pipes, ducts, conduits, and other penetrating items.

b. All openings in slabs shall be sealed with non-combustible materials.c. Penetrations through smoke barriers and construction enclosing

compartmentalized areas involving both empty openings and openingscontaining penetrating items.

d. Sealant joints in fire-resistance construction.e. Perimeter fire-resistive joint systems consisting of floor to wall joints

between perimeter edge of fire resistance rated floor assemblies and

exterior curtain walls.2. Related Sections: Related WORK to be coordinated and used in conjunction

with this specification includes but is not restricted to:a. Section 22 for Duct & Pipe Penetration.b. Section 21 for Cable & Conduit Penetration.

6.3.2 REFERENCES

1. ASTM C 719: Test method for adhesion and cohesion of elastomericjoint sealants under Cyclic Movement.

2. ASTM C 920: Specification for elastomeric joint sealants.3. ASTM C 1193: Guide for Use of joint sealants.

4. ASTM E 84: Test method for surface burning characteristics andbuilding materials.

5. ASTM E 119: Test Methods for fire tests of building construction andmaterials.

6. ASTM E 136: Test method for behaviour of materials in a vertical tubefurnace at 7500C.

7. ASTM E 814: Test method for fire tests of through-penetration firestops.

8. Local Fire Authority.

6.3.3 SUBMITTALS

1. Product data for each type of product specified.2. Shop drawings detailing materials, installation methods, and relationships to

adjoining construction for each through-penetration firestop system, and each

CN6620.APP A2.05.05.SA S-23-6.3.2 GTC 05/BP#19-4/QFA

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kind of construction condition penetrated and kind of penetrating item. Includefirestop design designation of qualified testing and inspecting agencyevidencing compliance with requirements for each condition indicated.

3. Product certificates signed by manufacturers of firestopping products certifying

that their products comply with specific requirements.4. Product test reports from, and based on tests performed by, a qualified testing

and inspecting agency evidencing compliance of firestopping with requirementsbased on comprehensive testing of current products.

5. Qualification data for firms and persons specified in "Quality Assurance"article to demonstrate their capabilities and experience. Include list ofcompleted projects with project names, addresses, names of Engineers andEmployers, and other information specified.

6. Samples: Submit representative samples of materials proposed for use underthis section.

7. Certification by firestopping manufacturer that products supplied comply withlocal regulations controlling use of volatile organic components (VOCs) and are

non-toxic to building occupants.

6.3.4 QUALITY ASSURANCE

1. Installer qualifications: Engage an experienced installer with minimum 5 yearsexperience, who is certified, licensed, or otherwise qualified by the firestoppingmanufacturer as having the necessary experience, staff, and training to installmanufacturer's products per specified requirements. A manufacturer'swillingness to sell its firestopping products to the CONTRACTOR or to aninstaller engaged by the CONTRACTOR does not in itself confer qualificationon the buyer.

2. Single-Source Responsibility: Obtain through-penetration firestop system foreach kind of penetration and construction condition indicated from a singlemanufacturer.

3. Field-Construction Mock-up: Prior to installing firestopping, erect mock-ups foreach different through-penetration firestop system indicated to verify selectionsmade and to demonstrate qualities of materials and execution. Build mock-upsusing materials indicated for final installations.

4. Co-ordination WORK: Co-ordinate construction of openings and penetratingitems to ensure that designated through-penetration firestop systems areinstalled per specified requirements.

6.3.5 SYSTEM PERFORMANCE REQUIREMENTS

1. General: Provide firestopping systems that are produced and installed to resistthe spread of fire, according to requirements indicated, and the passage ofsmoke and other gases.

2. Rated Through-Penetration Firestop Systems: Provide through-penetrationfirestop system with F ratings, as determined per ASTM E 814, but not lessthan that equalling or exceeding the fire-resistance rating of the constructionpenetrated.

3. For firestopping exposed to view, provide products with flamed-spread valuesof less than 25 and smoke-developed values of less than 450, as determinedper ASTM E 84.

4. Provide firestopping system(s) of sufficient thickness, width and density to

provide and maintain all required fire resistance rating, in accordance with localauthorities.

6.3.6 DELIVERY, STORAGE AND HANDLING


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1. Deliver firestopping products to project site in original, unopened containers orpackages with intact and legible manufacturers' labels identifying product andmanufacturer, date of manufacture, lot number, shelf life, if applicable; qualifiedtesting and inspecting agency classification marking applicable to Project;

curing time; and mixing instructions for multicomponent materials.2. Store and handle firestopping materials to prevent their deterioration or

damage due to moisture, temperature changes, contaminants, or other causes.

6.3.7 WARRANTY

1. Special Warranty: Written warranty, signed by CONTRACTOR agreeing torepair or replace fire stopping system that do not comply with performance andother requirements specified in this Section within specified warranty period.a. Warranty Period: Five years from date of Substantial Completion.

6.3.8 APPROVED MANUFACTURER1. Nullifire Ltd.,

UKTel: 44 (0) 24 7685 5000Fax: 44 (0) 24 7646 9547www.nullifire.comEmail: [email protected]

2. HiltiU.S.A.

3. 3M Fire Protection ProductsInternet: http//www.3m.com

4. Or approved equal.

6.3.9 FIRESTOPPING COMPONENTS AND ACCESSORIES.

1. All firestopping materials shall be as approved by Local authorities.2. Compatibility: Provide through-penetration firestop systems that are

compatible with one another, with the substrates forming openings, and withthe items, if any, penetrating through-penetration firestop systems, underconditions of service and application, as demonstrated by through-penetrationfirestop system manufacturer based on testing and field experience.

3. Fill materials for through-penetration firestop systems.a. Cast-in-Place Firestop Devices: Factory-assembled devices for use in

cast-in-place concrete floors and consisting of an outer metallic sleevelined with an intumescent strip, a radial extended flange attached to oneend of the sleeve for fastening to concrete formwork, and a neoprenegasket.

b. Latex Sealants: Single-component latex formulations that after cure donot re-emulsify during exposure to moisture.

c. Firestop Devices: Factory-assembled collars formed from galvanizedsteel and lined with intumescent material sized to fit specific diameter ofpenetrant.

d. Intumescent Putties: Nonhardening dielectric, water-resistant puttiescontaining no solvents, inorganic fibers, or silicone compounds.

e. Flexible Fire Seal: Compressible fire retardant foam faced either side

with an intumescent sheet.f. Non-shrink putty: One part intumescent non-setting compound, whichwill expand in volume when exposed to high temperatures.

g. Silicone Sealants: Moisture curing, single-component, silicone-based,neutral-curing elastomeric sealants.

http://www.nullifire.com/mailto:[email protected]:[email protected]://www.nullifire.com/

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4. Accessories: Use only approved components specified by the firestoppingmanufacturer for the designated fire-resistance - rated systems. Accessoriesinclude but are not limited to the following items:a. Permanent forming/damming/backing materials including the following:

1) Semi refractory fiber (mineral wool) insulation.2) Sealants used in combination with other forming/damming

materials to prevent leakage of fill materials in liquid state.3) Fire-rated formboard.4) Joint fillers of joint sealants.

b. Temporary forming materialsc. Substrate primers.d. Collarse. Steel sleeves.

6.3.10 EXAMINATION

1. Examine substrates and conditions with installer present, for compliance, withrequirements for opening configurations, penetrating items, substrates, andother conditions affecting performance of firestopping. Do not proceed withinstallation until unsatisfactory conditions have been corrected.

6.3.11 PREPARATION

1. Surface cleaning: clean out openings and joints immediately prior toinstalling firestopping to comply with recommendations of firestoppingmanufacturer and the following requirements:a. Remove all foreign materials from surfaces of opening and joint

substrates and from penetrating items that could interfere with adhesion

of firestopping.b. Clean opening and joint substrates and penetrating items to produce

clean, sound surface capable of developing optimum bond withfirestopping. Remove loose particles remaining from cleaning operation.

c. Priming: prime substrate where recommended by firestoppingmanufacturer using the manufacturers recommended products andmethods. Confine primers to areas of bond; do not allow spillage andmigration onto exposed surfaces.

d. Masking Tape: Use masking tape to prevent firestopping fromcontacting adjoining surfaces that will remain exposed upon completionof Work and that would otherwise be permanently stained or damaged

by such contact or by cleaning methods used to remove smears fromfirestopping materials. Remove tape as soon as it impossible to do sowithout disturbing firestopping's seal with substrates.

6.3.12 INSTALLATION

1. Install forming/damming materials and other accessories of types required tosupport fill materials during their application and in the position needed toproduce the cross-sectional shapes and depths required to achieve fire ratingsof designated through-penetration firestop systems. After installing fillmaterials, remove combustible forming materials and other accessories notindicated as permanent components of firestop systems.

2. Install joint fillers to provide support of sealants application and at positionrequired to produce the cross-sectional shapes and depths of installed sealantsrelative to joint widths that allow optimum sealant movement capability anddevelop fire-resistance rating required.


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3. Install sealant by proven techniques that result in sealants directly contactingand fully wetting joint substrates, completely filling recesses provided for eachjoint configuration, and providing uniform, cross-sectional shapes and depthsrelative to joint width that provide optimum sealant movement capability. Install

sealants at the same time joint fillers are installed.4. Tool nonsag sealant immediately after sealant application and prior to the time

skinning or curing begins. Form smooth, uniform beads of configurationindicated or required to produce fire-resistance rating, as well as to eliminateair pockets, and to ensure contact and adhesion of sealant with sides of joint.Remove excess sealant from surface adjacent to joint. Do not use toolingagents that discolour sealants or adjacent surfaces or are not approved bysealant manufacturer.

5. Cleaninga. Clean off excess fill materials and sealants adjacent to openings and

joints as work progresses by methods and with cleaning materialsapproved by manufacturers of firestopping products and of products in

which opening and joints occur.b. Protect firestopping during and after curing period from contact with

contaminating substances or from damage resulting from constructionoperations or other causes so that they are without deterioration ordamage at time of substantial completion. If, despite such protection,damage or deterioration occurs, cut out and remove damaged ordeteriorated firestoppping immediately and install new materials toproduce firestopping complying with specified requirements.

END OF PART

s 23 06.03 firestopping

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