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HomeMy WebLinkAboutFIREWALL PENETRATION BREEZEWAYS - 19-00733 - The Grove at Thomson Farms PH1 - Hemlock - 30 Unit Bldg 2To:Headwaters Construction Company Signed:John Eskelson cc:The following RFI Response is transmitted to you for your use and review. Please notify us within seven calendar days after receipt of this document if there is any cost/credit change as a result of this instruction. If we have not received a response by this date, we will construe this as agreement to perform the work at no increase in contract sum. Your anticipated cooperation is appreciated. (866) 496-0209 201825HCC Job # Thomson Farms Request For Information #96 Response FAX: Jobsite Numbers:900 Jet Stream Drive Rexburg, ID 83440- FAX: Number of Pages Transmitted:10 Request: The City has requested a wall penetration details showing how we will keep the 30 min rating at the fire wall in the breezeway where the 4" fresh air for the furnace penetrates. Please Advise, Response: See attached sheets. Specification Section: Bid Package Date Created: 6/3/2021RFI # 96 Drawing Sheet(s)A0.2, A3.5, A5.5, M2.1 Subject:Design for Fire Wall Penetration in Breezeways Request Reply By:6/3/2021 Date Answered:6/3/2021 Response By Cory Ferguson, Gould Plus Architects Trade: Coordination Date: 6/3/2021RFI Coordination Remarks: Request: The City has requested a wall penetration details showing how we will keep the 30 min rating at the fire wall in the breezeway where the 4" fresh air for the furnace penetrates. Please Advise, Response: To:Cory Ferguson, Gould Plus Architects 201825HCC Job # Specification Section: Bid Package: Date Created: 6/3/2021 Thomson Farms RFI # 96 From:John Eskelson Cc: Request For Information #96 Cc: Headwaters Construction Company Drawing Sheet(s):A0.2, A3.5, A5.5, M2.1 Subject:Design for Fire Wall Penetration in Breezeways Number of Pages Transmitted: 1 Request Reply By:6/3/2021 Date Answered: RFI Coordination Date Response By X (866) 496-0209 FAX: Jobsite Numbers:900 Jet Stream DriveRexburg, ID 83440- FAX: Trade: 06/03/2021 Attached are: • UL System No. W-L-2002 listed system for a nominal 4" diam (or smaller) Schedule 40 cellular core PVC pipe • UL System No. W-L-2073 listed system for a nominal 4" diam (or smaller) Schedule 40 solid core PVC pipe Cory Ferguson, GOULD PLUS Architects XHEZ.W-L-2002 - Through-penetration FirestopSystems Design/System/Construction/Assembly Usage Disclaimer Authorities Having Jurisdiction should be consulted in all cases as to the particular requirements covering the installation and use of UL Certified products, equipment, system, devices, and materials. Authorities Having Jurisdiction should be consulted before construction. Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance with applicable requirements. The published information cannot always address every construction nuance encountered in the field. When field issues arise, it is recommended the first contact for assistance be the technical service staff provided by the product manufacturer noted for the design. Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate methods of construction. Only products which bear UL's Mark are considered Certified. XHEZ - Through-penetration Firestop Systems See General Information for Through-penetration Firestop Systems System No. W-L-2002 November 20, 2009 F Ratings — 1, 1-1/2 and 2 Hr (See Item 3) T Ratings — 3/4, 1, 1-1/2 and 2 Hr (See Item 3) L Rating At Ambient — 7 CFM/sq ft (See Item 3C) L Rating At 400 F — 1 CFM/sq ft (See Item 3C) 4" diam (or smaller) Schedule 40 cellular core PVC pipe 1. Wall Assembly — The 1 or 2 hr fire-rated gypsum board/stud wall assembly shall be constructed of the materials and in the manner described in the individual U300, U400 or V400 Series Wall and Partition Design in the UL Fire Resistance Directory and shall include the following construction features: A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to consist of nom 2 by 4 in. (51 by 102 mm) lumber spaced 16 in. (406 mm) OC. Steel studs to be min 3-5/8 in. (92 mm) wide by 1-3/8 in. (35 mm) deep channels spaced max 24 in. (610 mm) OC. B. Gypsum Board* — 5/8 in. (16 mm) thick, 4 ft (122 cm) wide with square or tapered edges. The gypsum board type, thickness, number of layers, fastener type and sheet orientation shall be as specified in the individual U300, U400 or V400 Series Design in the UL Fire Resistance Directory. Max diam of opening is 7 in. (178 mm). 2. Nonmetallic Pipe or Conduit — One nonmetallic pipe or conduit is centered within the firestop system. Pipe or conduit to be installed near center of stud cavity width and to be rigidly supported on both sides of wall. The following types and sizes of nonmetallic pipes or conduit may be used: A. Nom 6 in. (152 mm) diam (or smaller) Schedule 40 solid-core polyvinyl chloride (PVC) pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. B. Nom 4 in. (102 mm) diam (or smaller) Schedule 40 cellular core polyvinyl chloride (PVC) pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. C. Nom 4 in. (102 mm) diam (or smaller) Schedule 40 solid-core acrylonitrile-butadiene-styrene (ABS) pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. D. Nom 4 in. (102 mm) diam (or smaller) Schedule 40 fire retardant polypropylene (FRPP) pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. E. Nom 4 in. (102 mm) diam (or smaller) Rigid Nonmetallic Conduit formed of PVC. F. Nom 1 in. (25 mm) diam (smaller) Electrical Nonmetallic Tubing formed of PVC. G. Nom 6 in. (152 mm) diam (or smaller) SDR13.5 chlorinated polyvinyl chloride (CPVC) pipe for use in closed (process or supply) piping systems. See Rigid Nonmetallic Conduit (DZKT) and Electrical Nonmetallic Tubing (FKHU) categories in UL Electrical Construction Materials Directory for names of manufacturers. 3. Firestop System — Installed symmetrically on both sides of wall assembly. The hourly F and T Ratings for the firestop system are dependent upon the type and size of nonmetallic pipe or conduit, the piping system type (closed systems such as process or supply piping or vented systems such as drain, waste or vent piping) and the hourly fire rating of the wall assembly in which it is installed, as shown in the following table. Pipe or Conduit Type Nom Pipe Diam In. (mm) Annular Space In. (mm) Piping System (a) Wall Fire Rating Hr F Rating Hr T Rating Hr FRPP 1/2 to 2(13 to 51)0-3/16(0-5)V 2 1-1/2 1-1/2 FRPP, PB 1/2 to 2(13 to 51)0-3/16(0-5)C 2 2 2 ABS 1/2 to 4(13 to 102)0-3/16(0-5)C,V 1 1 3/4 ABS 1/2 to 4(13 to 102)0-3/16(0-5)C,V 2 1-1/2 1-1/2 PVC 1/2 to 4(13 to 102)0-3/16(0-5)C,V 1 1 1 PVC 1/2 to 4(13 to 102)0-3/16(0-5)C,V 2 2 2 FRPP+2-1/2 to 4(64 to 102)0-3/16(0-5)C,V 2 1-1/2 1-1/2 PVC+5, 6(127 to 152)0-3/16(0-5)C,V 2 1-1/2 1-1/2 +Pipe covering material wrap required on pipe on both sides of wall. (a)C = closed systems, V = vented systems. The details of the firestop system shall be as follows. A. Fill, Void or Cavity Materials* — Wrap Strip — Nom 1/4 in. (6 mm) thick intumescent elastomeric material faced on one side with aluminum foil, supplied in 2 in. (51 mm) wide strips. Nom 2 in. (51 mm) wide strips tightly wrapped around nonmetallic pipe or conduit (foil side exposed) with the edges butted against the surface of the wall. Sufficient layers of wrap strip shall be installed to lap a min of 3/16 in. (5 mm) on the wall surface around the entire perimeter of the circular through opening. For nom 1/2 in. (13 mm) to nom 2 in. (51 mm) diam pipes or conduits, a min of one layer of wrap strip is required. For nom 2-1/2 in. (64 mm) and nom 3 in. (76 mm) diam pipes, a min of two layers of wrap strip is required. For nom 3-1/2 in. (89 mm) and nom 4 in. (102 mm) diam pipes, a min of three layers of wrap strip is required. For nom 5 and 6 in. (127 and 152 mm) diam, two tiers (4 in. (102 mm)overall length) of three layers of wrap strip is required, with adjoining wrap strip layer edges between tiers tightly butted. Each layer of wrap strip to be installed with butted seam, with butted seams in successive layers staggered. Wrap strip layers temporarily held in position using aluminum foil tape, steel wire tie or equivalent. 3M COMPANY — Type FS-195+ B. Steel Collar — Nom 2 or 4 in. (51 or 102 mm) deep collar with 1-1/4 in. (32 mm) wide by 2 in. (51 mm) long anchor tabs and min 3/4 in. (19 mm) long tabs to retain wrap strip layers. Coils of precut 0.016 in. (0.41 mm) thick (No. 30 28 gauge) galv sheet steel available from wrap strip manufacturer. As an alternate, collar may be field-fabricated from min 0.016 in. (0.41 mm) thick (No. 30 28 gauge) galv sheet steel in accordance with instruction sheet supplied by wrap strip manufacturer. Steel collar, with anchor tabs bent outward 90 deg, wrapped tightly around wrap strip layers with min 1 in. (25 mm) overlap at the seam. With steel collar anchor tabs pressed tightly against wall surface, compress collar around wrap strip layers using a min 1/2 in. (13 mm) wide by 0.028 in. (0.71 mm) thick stainless steel band clamp with worm drive tightening mechanism at the collar midheight. As an alternate to the stainless steel band clamp, the steel collar may be compressed around nom 4 in. diam (or smaller nonmetallic pipes using two min 16 SWG (0.0625 in. (0.016 mm) diam) steel wires secured with multiple twists. As an alternate to the band clamps or steel wires, collars may be secured by a means No. 10 by 1/2 in. (13 mm) long sheet metal screws installed in the vertical axis at the center of the 1 in. (25 mm) overlap along the perimeter joint of the collar. A min of three screws is required. Secure collar to wall surface with 3/16 in. (5 mm) diam steel toggle bolts in conjunction with min 1-1/2 in. (38 mm) diam steel washers. Three bolts, symmetrically located, required for 2 in. (51 mm) deep steel collar for nom 1/2 in. (13 mm) to nom 3 in. (76 mm) diam pipes. Four bolts, symmetrically located, required for 2 in. (51 mm) deep steel collar for nom 3-1/2 and 4 in. (89 and 102 mm) diam pipes. Five to seven bolts (every other anchor tab) required for 4 in. (102 mm) deep steel collar for nom 5 and 6 in. (127 and 152 mm) diam pipes. As a final step, bend retainer tabs 90 deg toward pipe to lock wrap strip layers in position. C. Fill, Void or Cavity Materials* — Caulk, Sealant or Putty — Generous bead of caulk applied to outer perimeter of wrap strip at interface with wall surface and to perimeter of pipe or conduit at its egress from the wrap strip layers. 3M COMPANY — CP 25WB+ caulk and MP+ Stix putty, IC 15WB+ caulk, FireDam 150+ caulk, or FB-3000 WT sealant (Note: L Ratings apply only when CP 25WB+ caulk or FB-3000 WT sealant is used. CP 25WB+ and FireDam 150+ not suitable for use with CPVC pipes.) D. Pipe Covering* — (Not Shown) — Nom 1 in. (25 mm) thick hollow cylindrical heavy density (min 3.5 pcf or 56 kg/m ) glass fiber units jacketed on the outside with an all service jacket. When required (see table), min 6 in. (152 mm) length of pipe covering installed around PVC pipe at its egress from steel collar on both sides of wall. Pipe covering secured to pipe with steel wire ties spaced max 4 in. (102 mm) OC. Edge of pipe covering abutting steel collar to be sealed with a min 1/4 in (6 mm). diam bead of caulk (Item C). See Pipe and Equipment Covering — Materials (BRGU) category in Building Materials Directory for names of manufacturers. Any pipe covering material meeting the above specifications and bearing the UL Classification Marking with a Flame Spread Index of 25 or less and a Smoke Developed Index of 50 or less may be used. E. Firestop Device* — (Not shown) — As an alternate to Items A, B and C for nom 1-1/2, 2, 3 or 4 in. (38, 51, 76 or 102 mm) diam nonmetallic pipes, a firestop device consisting of a sheet-steel split collar lined with intumescent material and provided with steel clips for attachment may be used. Firestop device to be installed on both sides of wall in accordance with the accompanying installation instructions. 3M COMPANY — Types PPD 150, PPD 200, PPD 300, PPD 400 * Indicates such products shall bear the UL or cUL Certification Mark forjurisdictions employing the UL or cUL Certification (such as Canada),respectively. Last Updated on 2009-11-20 The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufactured under UL's Follow-Up Service. Only those products bearing the UL Mark should be considered to be Certified and covered under UL's Follow-Up Service. Always look for the Mark on the product. UL permits the reproduction of the material contained in the Online Certification Directory subject to the following conditions: 1. The Guide Information, Assemblies, Constructions, Designs, Systems, and/or Certifications (files) must be presented in their entirety and in a non-misleading manner, without any manipulation of the data (or drawings). 2. The statement "Reprinted from the Online Certifications Directory with permission from UL" must appear adjacent to the extracted material. In addition, the reprinted material must include a copyright notice in the following format: "© 2021 UL LLC" 3 Not required per table above XHEZ.W-L-2073 - Through-penetration FirestopSystems Design/System/Construction/Assembly Usage Disclaimer Authorities Having Jurisdiction should be consulted in all cases as to the particular requirements covering the installation and use of UL Certified products, equipment, system, devices, and materials. Authorities Having Jurisdiction should be consulted before construction. Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance with applicable requirements. The published information cannot always address every construction nuance encountered in the field. When field issues arise, it is recommended the first contact for assistance be the technical service staff provided by the product manufacturer noted for the design. Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate methods of construction. Only products which bear UL's Mark are considered Certified. XHEZ - Through-penetration Firestop Systems See General Information for Through-penetration Firestop Systems System No. W-L-2073 November 20, 2009 F Ratings — 1 and 2 Hr (See Item 3) T Ratings — 0, 1 and 2 Hr (See Item 2) 4" diam (or smaller) Schedule 40 solid core PVC pipe 1. Wall Assembly — The 1 or 2 hr fire-rated gypsum board/stud wall assembly shall be constructed of the materials and in the manner described in the individual U300, U400 or V400 Series Wall and Partition Design in the UL Fire Resistance Directory and shall include the following construction features: A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to consist of nom 2 by 4 in. (51 by 102 mm) lumber spaced 16 in. (406 mm) OC with nom 2 by 4 in. (51 by 102 mm) lumber end plates and cross braces. Steel studs to be min 3-5/8 in. (92 mm) wide by 1-3/8 in. (35 mm) deep channels spaced max 24 in. (610 mm) OC. B. Gypsum Board* — Thickness, type, number of layers and fasteners as required in the individual Wall and Partition Design. Diam of opening shall be a max of 1/8 in. (3.2 mm) larger than the outside diam of nom 2 in. (51 mm) diam (and smaller) nonmetallic pipes or conduits (Item 2) and a max of 1/2 in. (13 mm) larger than the outside diam of nom 2-1/2 in. (64 mm) diam (and larger) nonmetallic pipes or conduits. The hourly F Rating of the firestop system is equal to the hourly fire rating of the wall assembly in which it is installed. 2. Through Penetrants — One nonmetallic pipe or conduit to be centered within the firestop system. Pipe or conduit to be rigidly supported on both sides of floor or wall assembly. The following types and sizes of nonmetallic pipes or conduits may be used: A. Polyvinyl Chloride (PVC) Pipe — Nom 4 in. (102 mm) diam (or smaller) Schedule 40 solid core PVC pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. B. Rigid Nonmetallic Conduit** — Nom 4 in. (102 mm) diam (or smaller) Schedule 40 solid core PVC conduit. C. Chlorinated Polyvinyl Chloride (CPVC) Pipe — Nom 4 in.(102 mm) diam (or smaller) SDR13.5 CPVC pipe for use in closed (process or supply) piping systems. D. Polyvinyl Chloride (PVC) Pipe — Nom 3 in. (76 mm) diam (or smaller) Schedule 40 cellular core PVC pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. E. Acrylonitrile Butadiene Styrene (ABS) Pipe — Nom 4 in. (102 mm) diam (or smaller) Schedule 40 solid core or cellular core ABS pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. F. Flame Retardant Polypropylene (FRPP) Pipe — Nom 3 in. (76 mm) diam Schedule 40 FRPP pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems. When nom 3-1/2 or 4 in. (89 or 102 mm) diam pipe is used, T Rating is 0 hr. When nom 3 in. (76 mm) diam (or smaller) pipe is used, the T Rating is equal to the hourly fire rating of the wall assembly in which it is installed. 3. Firestop System — The details of the firestop system shall be as follows: A. Foil Tape — Nom 4 in. (102 mm) wide, 3 mil thick aluminum tape wrapped around pipe or conduit prior to the installation of the wrap strip (Item 3B). Min of one wrap, flush with the wall surfaces on both sides of the wall assembly. Foil tape is not required for solid core PVC and CPVC pipes and conduits. B. Fill, Void or Cavity Materials* — Wrap Strip — 1 in. (25 mm) wide, nom 1/4 in. (6 mm) thick intumescent elastomeric material faced on one side with aluminum foil. Wrap strip(s) tightly wrapped around pipe or conduit (foil side exposed) and butted against the wall surfaces on both sides of the wall assembly. Each layer of wrap strip to be installed with butted seam, with butted seams in successive layers staggered. Wrap strip(s) temporarily held in position using aluminum foil tape, steel wire tie, or equivalent. The min number of wrap strip layers is dependent on the size of the pipe or conduit as shown below: Nom Pipe/ Conduit Diam No. of Wrap Strip Layers 1-1/2 to 2 in. (38 to 51 mm)1 2-1/2 to 3 in. (64 to 76 mm)3 3-1/2 to 4 in. (89 to 102 mm)4 3M COMPANY — FS-195+ C. Steel Collar — Nom 1 in. (25 mm) deep collar with 1-1/4 in. (32 mm) wide by 2 in. (51 mm) long anchor tabs and min 1/2 in. (13 mm) long tabs to retain wrap strip. Coils of precut min 0.016 in. (0.41 mm) thick (No. 28 gauge) galv sheet steel available from wrap strip manufacturer. As an alternate, collar may be field-fabricated from min 0.016 in. (0.41 mm) thick (28 gauge) galv sheet steel in accordance with instruction sheet supplied by wrap strip manufacturer. Collar, with anchor tabs bent outward 90 degree, wrapped tightly around wrap strip with min 1 in. (25 mm) overlap at seam and compressed around wrap strip(s) using a min 1/2 in. (13 mm) wide by min 0.028 in. (0.71 mm) thick stainless steel band clamp at the collar midheight. As an alternate to the band clamps, collars may be secured by a means No. 10 by 1/2 in. (13 mm) long sheet metal screws installed in the vertical axis at the center of the 1 in. (25 mm) overlap along the perimeter joint of the collar. A min of three screws is required. Collar anchor tabs pressed tightly against wall surfaces, and secured to wall surfaces with 3/16 in. (5 mm) diam steel toggle bolts, or equivalent, in conjunction with min 1- 1/4 in. (32 mm) diam steel fender washers. Min three anchor bolts for nom 1/2 to 2 in. (13 to 51 mm) pipes or conduits, min 4 anchor bolts for nom 2-1/2 and 3 in. (64 and 76 mm) pipes or conduits and min 5 anchor bolts for nom 3-1/2 and 4 in. (89 and 102 mm) pipes or conduits, symmetrically located. Retainer tabs bent 90 deg toward pipe to lock wrap strip(s) in position. D. Fill, Void or Cavity Materials* — Caulk, Sealant or Putty — (Optional — Not Shown) — Generous bead of caulk or putty applied to outer perimeter of wrap strip at interface with wall surfaces and to perimeter of pipe or conduit at its egress from the wrap strip layers. 3M COMPANY — CP 25WB+, MP+ Stix, IC 15WB+, FireDam 150+ caulk or FB-3000 WT sealant. (Note: CP 25WB+ and FireDam 150+ not suitable for use with CPVC pipes.) E. Firestop Device* — (Not Shown) — As an alternate to Item A and B when nom 1-1/2, 2, 3 or 4 in. (38, 51, 76 or 102 mm) diam nonmetallic pipes are used, a firestop device consisting of a sheet-steel split collar lined with intumescent material and provided with steel clips for attachment may be used. Firestop device to be installed on underside of top plate or on both sides of wall in accordance with the accompanying installation instructions. 3M COMPANY — PPD 150, PPD 200, PPD 300, PPD 400, PPD 1.5, PPD 2, PPD 3 **Bearing the UL Listing Mark * Indicates such products shall bear the UL or cUL Certification Mark forjurisdictions employing the UL or cUL Certification (such as Canada),respectively. Last Updated on 2009-11-20 The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufactured under UL's Follow-Up Service. Only those products bearing the UL Mark should be considered to be Certified and covered under UL's Follow-Up Service. Always look for the Mark on the product. UL permits the reproduction of the material contained in the Online Certification Directory subject to the following conditions: 1. The Guide Information, Assemblies, Constructions, Designs, Systems, and/or Certifications (files) must be presented in their entirety and in a non-misleading manner, without any manipulation of the data (or drawings). 2. The statement "Reprinted from the Online Certifications Directory with permission from UL" must appear adjacent to the extracted material. In addition, the reprinted material must include a copyright notice in the following format: "© 2021 UL LLC"