UW Project Name
UW Project Number
Consultant Name
Date of Specifications / Section 21 00 00
Fire Suppression Sprinklers and Standpipes
Page 1 of 14

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Specifier – Use this Section for all projects with fire sprinkler and standpipes work on the UW Campus. The A/E is expected to modify portions of this Section as necessary to accurately reflect conditions of the project. Consult with EH&S and identify all deleted information. When an item is not used, keep the heading and indicate “Not Used.”

(Example: 2.10 Fire Department Connection – Not Used)

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PART 1 – GENERAL

1.1SUMMARY

  1. Provide all material, labor, equipment, design and services necessary for the installation of the fire suppression sprinkler system described in the Contract Documents.
  1. Scope of Work:

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Specifier – For item 1.1B.1, provide a scope of workdescription including, but not limited to: revision to existing system and area to be covered or new system, wet or dry system, hydraulic or pipe schedule design, density /area if calculated, and hazard classification

Example: Sprinkler system shall be based on Ordinary Hazard Group I (.15 GPM/1500 Sq. Ft.) or Ordinary Hazard Group II (.20 GPM/1500 Sq. ft.)

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  1. Provide Scope of Work here.
  1. Area reduction for quick response heads as described in NFPA 13 is allowed. Area reductions shall adhere to specific height restrictions.
  1. Branch and tree layouts are required standard layouts. Looped cross main designs are acceptable, provided the cross main only uses a single loop and the looped main is 2 1/2” minimum. Grid systems are not acceptable.

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Specifier - Modify item 1.1B.4: Forprojects which will utilize UW-owned water mains, the A/E should provide the water supply design information, provided by the University of Washington, in this specification or on the drawings. For projects connecting to water mains not owned by the UW, clarify that the A/E is to obtain water supply design information from the utility.

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  1. Water supply is shown in the Contract Documents.
  1. New systems shall be hydraulically designed.

1.2QUALITY ASSURANCE

  1. Qualifications:
  1. All work shall be performed by a contractor with a valid Washington State contractor’s license, and localAuthority Having Jurisdiction (AHJ) certification for the design and installation of fire suppression sprinkler systems.
  1. The system shall be designed by a NICET Level 3 certified sprinkler designer or a registered fire protection engineer or mechanical engineer (who must review and stamp all drawings and the hydraulic calculation cover sheets).
  1. The field installation shall be supervised, at all times, by a journeyman sprinkler fitter.
  1. Qualifications of welders shall meet or exceed American Welding Society (AWS) B2.1 and ASME Boiler and Pressure Vessel Code, Section IX.
  1. All grooved joint couplings, fittings, valves, and specialties shall be of a single manufacturer. Grooving tools shall be of the same manufacturer as the grooved components.
  1. All castings used for fittings, couplings, valve bodies, etc., shall include a cast date stamp for quality assurance and traceability.
  1. Codes and Standards: The design and installation shall conform to the latest edition, based upon local jurisdiction adoptions and amendments at the time of bid, of each of the following:
  1. NFPA 13, “Standard for the Installation of Sprinkler Systems,” including all appendices
  2. NFPA 14, “Standard for the Installation of Standpipe and Hose Systems,” including all appendices
  3. NFPA 24, “Standard for the Installation of Private Fire Service Mains and their Appurtenances,” including all appendices
  4. International Building Code, including any AHJ administrative rules and amendments
  5. International Fire Code, including any AHJ administrative rules and amendments
  6. International Mechanical Code, including any AHJ administrative rules and amendments
  7. Underwriters Laboratories,“Fire Protection Equipment Directory”

1.3SUBMITTALS

  1. Prepare and submit CAD Shop Drawings, product data, and welding procedures. Include:
  1. Hydraulic calculations, seismic brace calculations, and all items set forth in NFPA 13.
  1. Product data and samples including a complete list of equipment and products, and a manufacturer’s catalog sheet for each item to be included in the work.
  1. Welding procedures that comply with the qualification requirements of NFPA 13, and that meet or exceed AWS B2.1 “Standard Welding Procedure and Performance Qualifications” and ASME Boiler and Pressure Vessel Code, Section IX.
  1. Grooved joint couplings and fittings shall be referred to on drawings and product submittals and shall be identified by the manufacturer’s style or series designation. Trade names and abbreviations are not acceptable.
  1. Sprinklers shall be referred to on drawings, submittals, and other documentation, by the sprinkler identification or model number as specifically published in the appropriate agency listing or approval. Trade names or other abbreviated designations shall not be allowed.
  1. Incomplete submittals will be returned without action, unless prior approval is requested and given by the University of Washington for partial submittals.
  1. After UW review and approval, Contractor shall submit to the local AHJ for approval.
  1. For Harborview and UW Housing and Food Services Projects, UW’s Shop Drawing review includes review by UW’s insurance brokers; and for Harborview, the State of Washington Department of Health. These reviews are submitted by the UW.
  1. After approval by the local AHJ, the Contractor shall re-submit a copy of the UW-approved Shop Drawings with the local jurisdiction approval, and accompanying letter to UW.
  1. For Substantial Completion, submit as-built CAD Shop Drawings, and O&M information required by Section 01 77 00 including final hydraulic calculations and manufacturers product data catalog sheets and a completed Contractor’s Test and Materials Certificate.
  1. Acceptance of the completed work will be granted jointly by the local AHJ and the UW. Approval by the local AHJ shall be evidenced in writing and forwarded to the UW as a requirement for Substantial Completion.

1.4APPROVALS

  1. For the purposes of code compliance, the installation is to be compliant with the local AHJ. Where there are conflicts between the AHJ and the referenced codes and standards, the more stringent shall apply. If there is a question of interpretation as to which is more stringent, the UW’s fire protection engineer, working through the UW’s Representative, will decide.

PART 2 – PRODUCTS

2.1GENERAL

  1. Materials and equipment: All materials and equipment in the system shall be new and current products of a manufacturer regularly engaged in the production of such materials and equipment. Where two or more pieces of equipment are required to perform interrelated functions, they shall be products of one manufacturer.
  1. Approval guides: Unless otherwise indicated, all products shall be listed in the latest publications of Approval Guides for Underwriters Laboratory for the service intended.
  1. Pressure rating: Pressure ratings of all fittings shall meet or exceed maximum working pressures available within the system.
  1. Corrosion protection: All piping and hangers, where exposed to the weather or installed in corrosive atmosphere, shall be protected against corrosion. Piping and hangers in such areas shall be stainless steel and/or hot dipped galvanized. Piping having an external only galvanized finish in such areas is not acceptable.

2.2PIPE

  1. Schedule of pipe: All pipes shall be ferrous and meet the requirements of NFPA 13. Pipe shall be schedule 40 for threaded and cut groove pipe and schedule 10 for roll groove applications. No substitutions.
  1. Galvanized pipe: Dry pipe systems, non-pressurized fire department pumper connection piping, and pipe located in corrosive environments shall meet the requirements of NFPA 13, be schedule 40 pipe, ferrous, and galvanized, no substitutions.
  1. Underground pipe: All piping upstream of the double backflow preventer shall be ductile iron class 52 and cement-mortar lined whether inside or outside the building. Other pipe types may be used only with the approval of the UW.
  1. Coat all exposed threads on galvanized pipe with a zinc rich coating. Coat all exposed threads on steel pipe with rust inhibitive paint.
  1. For residential housing projects with Type V (five) A or B construction, Post-Chlorinated Polyvinyl Chloride (CPVC) pipe is allowed. CPVC pipe shall comply with NFPA 13 and all applicable state and local jurisdiction building code requirements. Such pipe shall be UL listed and/or FM approved for fire protection use. When CPVC materials are used, the Contractor shall be responsible for the compliance with all compatibility issues that involve the use of CPVC. This includes the use of the compatible steel pipe, proper precautions for cutting oils that are used to thread steel pipe, and any and all other outside contaminants that could cause the CPVC pipe and/or fittings to fail over time. CPVC fittings shall be UL listed and/or FM approved, and shall be joined in accordance with the listings of the pipe and fittings. Cure times shall be in accordance with the manufacturers’ recommendations, but shall not be less than 24 hours.

2.3FITTINGS AND COUPLINGS

  1. Threaded fittings: Threaded fittings shall be ductile or cast iron class 125, rated for 175 psi cold water working pressure and shall conform to ASME B16.4, and ANSI B2.1 NPT. Malleable threaded fittings are not acceptable.
  1. Nipples: No close nipples are allowed. For short pipe connections use standard short nipples.
  1. Adjustable nipples: Adjustable drop nipples must be of double O-ring seal design.
  1. Thread-O-Lets: Shop-welded Thread-O-Lets may be used where a certified welder is used, meeting the requirements of this Section.
  1. Grooved fittings: 90’s, 45’s, tees, and reducers shall be ductile iron, short-pattern, with flow equal to standard pattern fittings. Adapter flanges (fittings) shall be cast ductile iron/class 125 conforming to ANSI B-16.1, with a rust inhibiting coating. Fittings shall be Victaulic FireLock series or approved equal
  1. Grooved couplings: Grooved couplings and reducers shall be ductile iron conforming to ASTM A-536, Grade 65-45-12. Coupling gasket shall be molded elastomer (EPDM) per ASTM D2000, Victaulic grade “E” (type A) or approved equal. On dry pipe systems use a “Flush Seal” or “Flush Gap” gasket. Grooved couplings and reducers shall be of the same manufacturer as used for the grooved fittings.

1.Rigid Type: Coupling housings with offsetting, angle-pattern bolt pads shall be used to provide system rigidity and support and hanging in accordance with NFPA-13. Couplings shall be fully installed at visual pad-to-pad offset contact. Tongue and recess type couplings, which require the use of a torque wrench to achieve the exact required gap between housings, are not permitted. Victaulic Style 009H and 107H/107N (Quick-Vic™) or approved equal. Installation ready rigid coupling for direct stab installation without field disassembly.

2.Flexible Type: Use in locations where vibration attenuation and stress relief are required. Victaulic Installation-Ready Style 177 or Style 77 or approved equal.

  1. Plain end couplings: No plain end couplings (Roust-A-Bouts, Plainloks or similar couplings) are allowed.
  1. Hole-cut outlets: No hole-cut outlets are allowed for new sprinkler systems. Hole-cut bolted outlets (mechanical tees) couplings may be used only in isolated locations of existing sprinkler systems, when approved by UW. Coupons created by hole-cut outlets shall be secured to the fittings via zip-tie or wire.
  1. Flexible drops: UL listed flexible drops up to 6 feet in length are permitted where installed in accordance with NFPA 13 and manufacturer’s requirements.
  1. Flexible drops may only be used on hydraulically designed systems.
  2. The drop shall include a UL approved Series AH2 braided hose with a bend radius to 2” to allow for proper installation in confined spaces. Union joints shall be provided for ease of installation.
  3. The flexible drop shall attach to the ceiling grid using a UL Listed bracket. The bracket shall allow installation before the ceiling tile is in place.
  4. Victaulic VicFlex™ Multiple-Use Flexible Stainless Steel Sprinkler Drop System or approved equal.

2.4PIPE THREAD SEALANT

  1. Provide Teflon tape or brush-on pipe thread sealant with Teflon. Provide Grinnel Tuff-Loc, or approved equal.

2.5HANGERS AND SUPPORTS

  1. Hangers: Provide hangers to support all piping in perfect alignment without sagging or interference, to permit free expansion and contraction, and to meet the requirements of NFPA 13.
  1. Pipe rings: Pipe rings shall be Tolco Fig. 200, or approved equal. For end of branch line restraint provide Tolco Fig. 25 restrainer, or approved equal.
  1. Hanger rods: Hanger rods shall be zinc orelectro-galvanizedfor dry systems.
  1. C-clamps: Equip all c-clamps (beam clamps) with earthquake retaining straps.
  1. Riser clamps: Riser clamps shall be UL listed Tolco Fig. 4.4A, or approved equal. They shall not protrude more than 2 inches beyond the edge of the hole.
  1. Concrete anchors: Concrete expansion anchors shall be UL listed for hanging fire sprinkler piping. Explosive type (powder driven) anchors are not acceptable.

2.6EARTHQUAKE BRACING

  1. Seismic bracing structural attachments: Seismic brace structural attachments shall be Tolco Fig. 910, or approved equal. Seismic attachments must have break-off type bolts to ensure proper torque.
  1. Seismic brace pipe attachments: Seismic brace pipe attachments shall be Tolco Fig. 1000, Tolco Fig. 1001, Tolco Fig. 4A, or approved equal. Seismic attachments must have break-off type bolts to ensure proper torque.

2.7VALVES

  1. Outside screw and yoke (OSY) valves: OSY valves shall be cast iron, grooved or flanged and rated for 175 psi, non-shock cold water working pressure. Victaulic Series 771 or approved equal.
  1. Isolation/control valves: Sprinkler system, standpipe, and other approved ground controlling valves shall be gear-operated slow-close butterfly valves with flag type indicator, ductile iron grooved body, EPDM pressure responsive seat, electroless-nickel coated disc, stainless steel stem with bronze bushings, and two internal single-pole, double-throw monitor switches.Victaulic Series 705or approved equal.
  1. Supervised valves 1 ½ inches and smaller: Sprinkler controlling valves 1 ½ inches and smaller shall be slow-close supervised butterfly valve from Milwaukee Valve Company, model BB-S02-R, or approved equal. Valves controlling fire sprinklers in elevator pits shall be unsupervised.
  1. Valves controlling sprinklers in elevator machine rooms: Control the sprinklers located in elevator machine rooms with a normally closed supervised butterfly control valve from Milwaukee Valve Company, model BB-S02-R, or approved equal.
  1. Drain valves: Drain valves need only be UL Listed, screw-in bonnet bronze globe valves, rated to 175 psi non-shock cold water working pressure by Nibco, United, or approved equal. Low point drain valves shall have, in addition, a 3/4 inch brass nipple with 3/4 inch mail hose threads and cap.
  1. Combination test and drain valve: Victaulic Style 720 TestMaster II or AGF Model 1000 Test ’N Drain assembly, or approved equal. Pressure gauge for system pressure located on test and drain assembly is not acceptable for measuring system pressure.
  1. Check valves: Check valves shall be grooved, iron body, bronze seat, elastomer coated ductile iron or stainless steel clapper with a replaceable rubber seal (a rubber seal integral with the seat is not acceptable), and minimum 175 psi non-shock cold water working pressure. Use Victaulic Series 717,Viking Model D, or approved equal.
  1. Backflow prevention assemblies: Provide a double check valve assembly. The assembly shall be listed in the most recent Washington State Department of Health, Drinking Water Program’s “Backflow Prevention Assemblies Approved Installation in Washington State.” Backflow prevention assemblies shall be by Febco, Ames, Watts, or approved equal.
  1. Wafer valves are not acceptable.

2.8SPRINKLERS

  1. For lay-in suspended and gypsum wall board ceilings, provide quick response, glass bulb, ordinary temperature, standard coverage, recessed sprinklers by Reliable Model F1FR, Globe GL5601 Series, Victaulic V2708, or Viking Microfast, or approved equal.
  1. For all other building areas, sprinkler heads shall be quick response, glass bulb, ordinary temperature, standard coverage, by Reliable Model F1-FR, Globe GL5601 Series, Victaulic (V2704, V2708, V2710), or approved equal. Provide upright, pendant, or sidewall heads to meet building conditions
  1. For areas subject to high temperatures exceeding 110 degrees F, or as noted in NFPA 13, provide quick response, standard coverage, intermediate temperature sprinklers or high temperature sprinklers as required by AHJ.
  1. Provide special purpose, window sprinklers, dry sprinklers, concealed sprinklers, or extended coverage sprinklers only where indicated in the Contract Documents and in accordance with their listing.
  1. Sprinklers in unfinished areas shall be brass.
  1. For residential occupancies, provide UL Listed Residential Sprinklers manufactured by Reliable or Viking.

2.9SPRINKLER GUARD

  1. Provide UL Listed sprinkler guards for sprinkler heads subject to mechanical damage or for any sprinkler lower than 7’ 0” above the floor.
  1. Guards and escutcheons shall be listed, supplied, and approved for use with the sprinkler by the sprinkler manufacturer.

2.10FIRE DEPARTMENT CONNECTION

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Specifier- A fire department connection with a minimum of four 2-1/2 inch ports and a 6 inch water way should be provided when sprinkler demand at base of riser is 1000 gpm or greater, or when combined standpipe and sprinkler demand is 1000 gpm or greater and the standpipes are 6 inches or greater.

For item 2.10A, the FDC / escutcheon may be chrome at A/E’s choice.

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  1. Provide a fire department connection (FDC) with horizontal type connections, dual clapper, 2-1/2 inch inlets, with rocker lug caps, and chains. The FDC / escutcheon shall be polished brass.
  1. Provide a bronze ball drip for the fire department connection (FDC) inside the building and connect to the nearest floor drain.
  1. FDC signage: Provide signage indicating “AUTO SPRINKLER” or “AUTOSPRINKLER AND STANDPIPE” as part of the FDC escutcheon.
  1. Provide a separate signindicating Building Name, area served, type of system (automatic sprinkler, standpipe, combination standpipe/sprinkler, etc.) for permanent attachment. Content, size and location to be approved by the UW Fire Protection Engineer. Lettering shall be a minimum 1 inch high.
  1. Locate fire department connection per AHJ requirements, but in no case more than 100 feet from nearest fire hydrant. Show location of fire hydrant on drawings.
  1. At the low point near each fire department connection, install a 90-degree elbow with drain connection to allow for drainage to prevent freezing. Victaulic #10-DRor approved equal.

2.11ROOF FIRE DEPARTMENT OUTLETS