SECTION FIRESTOP SYSTEMS

Transcription

1 SECTION FIRESTOP SYSTEMS PART 1 GENERAL 1.1 RELATED DOCUMENTS A. The provisions of the General Conditions, Supplementary Conditions, and the Sections included under Division 1, General Requirements, are included as a part of this Section as though bound herein. 1.2 SECTION INCLUDES A. Section includes: 1. Applications of Firestop systems include: 2. Penetrations for passage of duct, cable tray, conduit, piping, electrical busways and raceways through fire rated vertical barriers (walls and partitions), horizontal beams (floor/ceiling assemblies) and vertical service shaft walls and partitions 3. Safing gaps between edge of floor slabs and curtain walls 4. Gaps between tops of walls and ceiling or roof assemblies 5. Expansion joints in fire rated walls and floors 6. Openings and penetrations in fire rated partitions or walls containing fire doors 7. Openings around structural membranes which penetrate fire rated floors or walls 1.3 REFERENCES A. ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials B. ASTM E119 Standard Test Method for Fire Tests of Building Construction and Materials C. ASTM E814 Standard Test Method of Fire Tests of Through Penetration Firestop D. ASTM E1966 Standard Test Methods for Fire Tests of Joints E. FM (Factory Mutual) Fire Hazard Classifications F. UL Fire Hazard Classifications G. UL 2079 Tests for Fire Resistance of Building Joint Systems H. UL 1479 Fire Tests of Through-Penetration Firestop I. WH (Warnock Hersey) Certification Listings J. UL 263 Fire Tests of Building Construction and Materials K. UL 723 Test for Surface Burning Characteristics of Building Materials L. UL 1479 Fire Tests of Through-Penetration Firestops M. NFPA National Fire Protection Association N. FBC Florida Building Code 1.4 DEFINITION A. Firestopping: A code approved material or assembly placed in spaces between building materials to arrest the spread of smoke, heat, gases, or fire through wall or floor openings. 1.5 SYSTEM DESCRIPTION A. General: Provide firestopping systems that are produced and installed to resist the spread of fire, according to requirements indicated, and the passage of smoke and other gases. Architect s Project Number of 7 Firestop Systems

2 B. F-Rated Through-Penetration Firestop Systems: Provide through-penetration firestop systems with F ratings indicated as determined per ASTM E814, UL 1479 but not less than that equaling or exceeding the fire resistance rating of the constructions penetrated. C. T-Rated Through-Penetration Firestop Systems: Provide through-penetration firestop systems with T ratings, in addition to F ratings, as determined per ASTM E814, where indicated and where systems protect penetrating items exposed to contact with adjacent materials in occupiable floor areas. T-rated assemblies are required where specified by codes or where the following conditions exist: 1. Where firestop systems protect penetrations located outside of wall cavities. 2. Where firestop systems protect penetrations located outside fire resistive shaft enclosures. 3. Where firestop systems protect penetrations located in construction containing doors required to have a temperature rise rating. 4. Where firestop systems protect penetrating items larger than a 4 inch diameter nominal pipe or 16 square inch in overall cross sectional area. D. Fire Resistive Joint Sealants: Provide joint sealants with fire resistance ratings indicated, as determined per ASTM E119, UL 1479 and UL 2079 but not less than that equaling or exceeding the fire resistance rating of the construction in which the joint occurs. E. For firestopping exposed to traffic, moisture, and physical damage, provide products that do not deteriorate when exposed to these conditions and will meet load requirements. 1. For piping penetrations for plumbing and wet pipe sprinkler systems, provide moistureresistant through-penetration firestop systems. 2. For floor penetrations with annular spaces exceeding 4 inches in width and exposed to possible loading and traffic, provide firestop systems capable of supporting floor loads involved either by installing floor plates or by other means. 3. For penetrations involving insulated piping, provide through-penetration firestop systems not required removal of insulation. F. For through-penetration firestop systems exposed to view, provide products with flame spread of less than 25 and smoke developed ratings of less than 450, as determined per ASTM E 84. G. Firestopping Materials: ASTM E119, ASTM E814, UL 263 or UL 1479 to achieve fire rating. 1.6 REGULATORY REQUIREMENTS A. Conform to applicable code for fire resistance ratings and surface burning characteristics. B. Provide certificate of compliance from UL or WH indicating approval of materials used 1.7 SUBMITTALS A. Comply with pertinent provisions of Section B. Product Data: 1. Materials list of items used under this Section. 2. Provide the manufacturer s specifications and data. 3. Shop Drawings: a. Submit shop drawings showing layout, profiles, and product components. b. Include Independent laboratory with system classification number on shop drawings. 4. Provide written documentation of applicator s qualifications, including reference projects of similar scope and complexity, with current phone contacts of references for verification. 5. Certification from sealant manufacturers that their products are suitable for the use indicated and comply with specification requirements. 1.8 QUALITY ASSURANCE Architect s Project Number of 7 Firestop Systems

3 A. Use adequate numbers of skilled workers thoroughly trained and experienced in the necessary crafts and completely familiar with the specified requirements and methods needed for proper performance of the work of this Section. B. Applicator Qualifications: 1. Applicator shall have at least 3-years experience in installing materials of types specified and shall have successfully completed at least 3-projects of similar scope and complexity. 2. Manufacturer approved applicator. 3. Applicator shall designate a single individual as project supervisor who shall be on site at all times during installation. C. Single source responsibility for firestopping materials: 1. Obtain Firestop materials from single manufacturer for each different product required. 2. Manufacturer shall instruct applicator in procedures for each material. D. Regulatory Requirements: 1. Firestop System installation shall meet requirements of ASTM E-814 and provide a firerating equal to that of the construction it penetrates. 2. Proposed Firestop materials and methods shall conform to applicable governing codes having local jurisdiction. 3. For those Firestop applications not having an UL or third party tested system available through any manufacturer. a. Prior to installation the manufacturer may submit to the authorities having jurisdiction for their consideration an engineering judgment derived from similar independently tested system of similar design. b. Manufacturer s engineering judgment drawings must follow requirements set forth by the International Firestop Council. 1.9 MOCKUP A. Provide mockups of applied Firestop assemblies under provisions of Section B. Apply 3 sq. ft. to a representative substrate surface. C. Apply Firestop material to a representative penetrated masonry, concrete, stud wall, and substrate. D. If accepted, mockup will demonstrate minimum standard of the Work. E. Mockup may remain as part of the Work ENVIRONMENTAL REQUIREMENTS A. Do not apply materials when temperature of substrate material and ambient air is below 60 F. B. Maintain this minimum temperature before, during and three days after installation of materials. C. Provide ventilation in areas to receive solvent cured materials. PART 2 PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with through-penetration firestop systems (XHEZ) listed in Volume II of the UL Fire Resistance Directory, provide products by one of the following: 1. Hilti Construction Chemicals, Tulsa, Oklahoma 2. Specified Technologies, Inc., (STI), Sommerville, New Jersey 3. 3M Fire Protection Products, St. Paul, Minnesota Architect s Project Number of 7 Firestop Systems

4 4. The Rectorseal Corporation, Houston, Texas 5. Tremco, Inc., Beachwood, Ohio 6. Nelson Firestop Products, Tulsa, Oklahoma 2.2 FIRESTOPPING, GENERAL A. Compatibility: Provide firestopping composed of components that are compatible with each other, the substrates forming openings, and the items, if any, penetrating the firestopping under conditions of service and application, as demonstrated by firestopping manufacturer based on testing and field experience. 1. All materials shall comply with ASTM E814 or E119 (UL 1429), and shall be manufactured of nontoxic, non-hazardous, asbestos free materials, and unaffected by water or moisture when cured. 2. Primers: Conform to manufacturer s recommendations for primers required for various substrates and conditions. 3. Backup Materials: Backup materials, supports, and anchoring devices shall be provided as required by UL testing. B. Accessories: Provide components for each firestopping system that are needed to install fill materials and to comply with "System Performance Requirements" in Part 1. Use only components specified by the firestopping manufacturer and approved by the qualified testing and inspecting agency for the designated fire resistance rated systems. Accessories include but are not limited to the following items: 1. Permanent forming/damming/backing materials must be noncombustible and may include the following: a. Semi-refractory fiber (mineral wool) insulation. b. Sealants used in combination with other forming/damming materials to prevent leakage of fill materials in liquid state. c. Joint fillers for joint sealants. 2. Temporary forming materials. 3. Substrate primers. 4. Collars. 5. Steel sleeves. 2.3 FIRESTOPPING, MATERIALS A. Use only firestopping products that have been UL 1479 or ASTM E814 tested for specific fire rated construction conditions conforming to construction assembly type, penetrating item type, annular space requirements, and fire rating involved for each separate instance. B. For penetrations by noncombustible items including steel pipe, copper pipe, rigid steel conduit, and electrical metallic tubing (EMT), the following materials are acceptable: 1. Hilti FS 601 Elastomeric Firestop Sealant or FS-ONE High Performance Intumescent Firestop Sealant 2. STI SpecSeal; Sealant SSS M; Fire Barrier CP25 or Firestop Sealant The RectorSeal Corporation Metacaulk; 1000, 950, 835, Putty, & Mortar or Biofireshield K10 and K2 Mortar, Biostop 500+, Biootherm 100/200 & Biostop Putty. 5. Tremco, Inc.; Tremstop Fyre-Sil Sealant 6. Nelson; FSP putty, CLK caulk; LBC caulk Architect s Project Number of 7 Firestop Systems

5 C. For penetrations by combustible items (penetrants consumed by high heat and flame) including insulated metal pipe, PVC jacketed, flexible cable or cable bundles and plastic pipe (closed piping systems), the following materials are acceptable: 1. STI; Wrap Strip SSW12 2. Hilti; FS One Intumescent Firestop Sealant or CP 642 Firestop Jacket 3. 3M; Fire Barrier FS-195 Wrap Strip or Fire Barrier CP Rector Seal; Metacaulk Wrap Strip, Firestop Collars, Metacaulk 1000, 950, & 835 or Biostop Wrap Strip, Collar, and Biostop Nelson; FSP putty; LBC caulk; PCS pipe choke; WRS wrap strip. 6. Tremco; Tremstop WBM Intumescent Firestop Sealant. D. For penetrations by combustible plastic pipe (open piping systems), the following material is acceptable: 1. Hilti; CP 642 Firestop Jacket or FS-ONE High Performance Intumescent Firestop Sealant. 2. 3M; Fire Barrier PPD Plastic Pipe Device. 3. Nelson; PCS-Pipe Chokes; WRS-Wrap Strips; Nelson LBS (two inches and under). E. For large size/complex penetrations made to accommodate cable trays, multiple steel and copper pipes, electrical busways in raceways, the following materials are acceptable: 1. STI; SpecSeal lightweight mortar SSM22B or putty. 2. Hilti; FS635 Trowelable Firestop Compound or FIREBLOCK. 3. 3M; Fire Barrier CS-195 Composite Sheet or Firestop Foam Rector Seal; Biofireshield K-10 & K2 Mortar or Metacaulk Firestop Mortar. 5. Nelson: FSP putty; CLK N/S caulk; PLW pillow; CPS composite sheet; CMP compound. 6. Tremco; PS Pillow System. F. For fire rated construction joints and other gaps with movement the following materials are acceptable: 1. Hilti FS601 Elastomeric Firestop Sealant or FS 604 Self-Leveling Elastomeric Firestop Sealant. 2. STI Pensil M; (Dow Corning Fire Stop Sealant 2000) or Fire Barrier CP Tremco, Inc.; Tremstop Acrylic SP Sealant. 5. Biofireshield, Biostop 700, Biostop 500+ or Metacaulk 1000 & Nelson: CLK caulk; LBC caulk; FSC Firestop Compound. G. Provide a firestopping system with an "F" rating as determined by UL 1479 or ASTM E814 which is equal to the time rating of construction being penetrated. H. Provide a firestop system with an assembly rating as determined by UL 2079 which is equal to the time rating of construction being penetrated. 2.4 MIXING A. For those products requiring mixing before application, comply with through-penetration firestop system manufacturer's written instructions for accurate proportioning of materials, water (if required), type of mixing equipment, selection of mixer speeds, mixing containers, mixing time, and other items or procedures needed to produce products of uniform quality with optimum performance characteristics for application indicated. 2.5 FIRE PREVENTION PILLOW SYSTEM A. Intumescent fiberglass bags for sealing cable tray openings. 2.6 ACCESSORIES Architect s Project Number of 7 Firestop Systems

6 A. Primer: Type recommended by firestopping manufacturer for specific substrate surfaces. B. Installation Accessories: Clips, collars, fasteners, temporary stops or dams, and other devices required to position and retain materials in place. PART 3 EXECUTION 3.1 MANUFACTURER S INSTRUCTIONS A. Provide copy of manufacturer s product data including product technical bulletins, product catalog, installation instructions, and product packaging instructions. 3.2 EXAMINATION A. Site Verification of Conditions: 1. Verify substrate conditions, previously installed under other sections, are acceptable for product installation and product packaging instructions. 2. Examine areas and conditions of work area and identify conditions detrimental to proper and timely completion. 3.3 PREPARATION A. Clean substrate surfaces of dirt, dust, grease, oil, loose material or other matter that may affect bond of firestopping material. B. Verify that penetrations and joints are properly sized C. Remove incompatible materials that may affect bond. D. Do not proceed until unsatisfactory conditions have been corrected 3.4 INSTALLATION A. Install Firestop materials in accordance with published "Through-Penetration Firestop Systems" in UL s Fire Resistant Directory or the publication of another approved independent laboratory B. Comply with manufacturer's instructions for installation of Firestop Materials 1. Seal all holes or voids made by penetrations to ensure an air and water resistant seal. 2. Seal all joints to ensure an air and water resistant seal, capable to withstand compression and expansion due to thermal, wind or seismic joint movement 3. Consult with Mechanical Engineer, Project Manager prior to installation of Third Party Tested Firestop Systems that might hamper the performance of fire dampers as it pertains to duct work. 3.5 FIELD QUALITY CONTROL A. Examine Firestop areas to ensure proper installation before concealing or enclosing areas B. Keep areas of work accessible until inspection by applicable code authorities 3.6 IDENTIFICATION A. Identify Firestop systems with pressure-sensitive, self-adhesive, printed vinyl labels. Architect s Project Number of 7 Firestop Systems

7 B. Attach labels permanently to surfaces of penetrated construction on both sides of each Firestop system installation where labels will be visible to anyone seeking to remove penetrating items or Firestop systems. 1. Include the following information on labels: a. The words: Warning: Through-Penetration Firestop system Do Not Disturb b. Contractor s name, address and phone number c. Designation of applicable testing and inspection agency d. Date of installation e. Manufacturer s name for Firestop materials 3.7 CLEANING A. Clean work under provisions of Section B. Clean adjacent surfaces of firestopping materials. 3.8 PROTECTION OF FINISHED WORK A. Protect finished work under provisions of Section B. Protect adjacent surfaces from damage by material installation. END OF SECTION Architect s Project Number of 7 Firestop Systems