DIVISION 21 FIRE SUPPRESSION PART 1 GENERAL 1.01 DESCRIPTION A. Provide UL listed, FM approved listed fire protection specialties or accessories as required by either the equipment manufacturer or the Local Code Authority. B. Standards: Currently listed as approved in the "Fire Protection Equipment List" as published by Underwriters' Laboratories, Inc. (UL), or the Factory Mutual System Approval guide (FM) and shall bear the proper labels as identified therein. C. The Fire Protection Contractor provides and installs supervisory valve and flow switches. The Electrical Contractor provides wiring. 1.02 MANUFACTURERS A. Reliable, Viking, Autocall, Star, Guardian, Gem, Globe, Central Sprinkler, Potter-Roemer, Potter, Notifier, Elkhart Brass, Simplex, Croker, Victaulic, W.D. Allen or Automatic Sprinkler. PART 2 PRODUCTS 2.01 FLOW SWITCH A. Vane-type switch, weather-resistant adjustable pneumatic time delay 90 seconds or less, two (2) sets of single-pole double-throw micro-switches, tamper-proof cover (extra set of contacts), steel U-bolt clamp, saddle type mounting directly to piping. 1. Potter-Roemer Fig. 6200 series. 2.02 SUPERVISORY (TAMPER) SWITCH A. Weather-resistant, single-pole, double-throw switch, roller type switch actuator, springloaded plunger, tamper-proof cover (extra set of contacts). 1. Potter-Roemer Fig. 6220. 2.03 PRESSURE GAUGE A. Dial spring, brass case, 3 1/2 inches diameter, 1/4 inch NPT male connection, range: 0-300 psig. 1. Reliable Model UA. 2.04 ELECTRIC SPRINKLER ALARM SWITCH A. Two (2) single-pole, double-throw snap-acting electric switches, spring loaded plunger, self-setting, 4-20 psi adjustable range, 180 degrees F, NEMA 1 enclosure [, with tamper switch]. 1. Potter Model PS10-2A. 13-HC1-033 21 05 02-1
2.05 INSPECTOR'S TEST CONNECTIONS A. Sight Test Connection: 1. Steel, clear tube, smooth bore, non-corrosive orifice with flow equivalent to one (1) sprinkler head, 1 inch NPT connection. 2. Reliable Model B or equivalent test module Victaulic 718 or "Test-an-Drain." B. Blind Test Connection: 1. Bronze, non-corrosive, smooth bore orifice with flow equivalent to one (1) sprinkler head, 1 inch NPT connection. 2. Reliable Model A or equivalent test module Victaulic 718 or "Test-an-Drain." 2.06 IDENTIFICATION SIGNS A. All control, drain, and test valves shall have marked identification signs indicating the portion of the system controlled by each valve. Reliable Model A. B. 18 gauge steel, porcelain enameled, white lettering on red background. 1. General Purpose Valve Control - Reliable Style A 2. Specific Identification - Reliable Style B 3. Fire Alarm - Reliable Style D 4. Hydraulic Calculated System - Reliable Style E C. 20 gauge steel, porcelain enameled, white lettering on red background. 1. Cold Weather - Reliable Style C D. Locate signs per NFPA 13 requirements. E. When item being identified is above suspended ceiling, sign is to be placed on nearest ceiling pad below shut-off valve or other item being identified. F. Signs shall be secured with noncorrosive wire, chain(s) or other approved means. 2.07 DRAINS A. Furnish drains using Schedule 40 black steel pipe (ASTM A120). Exterior piping shall be galvanized steel (with no raw steel exposed) or non-ferrous to prevent staining exterior walls. 2.08 HANGERS A. Refer to Section 20 05 45, "Hanger, Supports and Inserts" which is part of this contract work. B. All component parts of hanger assemblies shall be listed by UL/FM and NFPA. C. All hangers shall support the total load of the water-filled pipe in addition to a minimum of 250 lb. load applied at the hanger. 21 05 02-2 13-HC1-033
D. All hangers installed shall be appropriate for type of building structure indicated. E. C-clamps without retaining straps are expressly prohibited. 2.09 SPRINKLER GUARDS A. Welded wire steel, baked synthetic red enamel finish, for use with 1/2 inch or 3/4 inch NPT male pipe threads, 2 3/4 inches by 3 inch square base, 2 7/8 inches high. 1. Reliable Model B. 2.10 BAFFLES A. 18 inches by 18 inches galvanized steel. 1. Potter-Roemer, Inc. Fig. 5021-D. 2.11 ELECTRIC ALARM BELL A. Reliable "Supertrol" 6 inch electric alarm bell with Model WBB weatherproof back box. A. Furnished and installed by the Fire Protection Contractor, wired by the Electrical Contractor. 2.12 SIAMESE CONNECTION A. Aluminum extrusion and forging, flush FDC, 5 inch Storz chrome cover sleeve, chrome I.D. base plate labeled "STANDPIPE, AUTO SPRINKLER," lockable Knox type cap with elbow. Contractor shall size inlet. Coordinate exact requirements with the fire department. B. Confirm exact location with Architect and fire department before installation. C. Provide Siamese connection as indicated on the Drawings. 2.13 FIRE PUMP TEST CONNECTION A. Cast brass inlet body, flush wall type, six-way, 44 inches L by 9 inches H horizontal polished chrome escutcheon plate labeled "PUMP TEST CONNECTION," polished chrome caps and chains, cast brass inlet manifold. Provide six (6) loose swivel 2 1/2 inch inlet brass hose gate valve with male hose thread outlet; threads to match local fire department requirements. Contractor shall size manifold inlet. Torque caps closed. 1. Potter-Roemer 5306 Series. 13-HC1-033 21 05 02-3
2.14 BACKFLOW PREVENTERS A. 175 lb. SWP, double check valve assembly, UL/FM approved, (ASSE 1015), FDA approved epoxy coated cast iron check valve bodies with bronze seats, bronze test cocks, flanged ends, replaceable bronze seats, captured springs, with two (2) UL/FM approved resilient seats, cast iron body, OS&Y gate valves. 1. Acceptable Manufacturers: Watts 709 OSYRW, Conbraco, Hersey, Cla-Val Company, Wilkins or Ames. B. Backflow preventers shall be serviceable without removal from pipe line. C. Backflow preventer shall have a permanently attached plate indicating type and listing approvals. 2.15 STRAINERS A. Welded steel pipe with 150 lb. rated flange assemblies hot dipped galvanized inside and out that are "J" angle (inlet and outlet positions and a stainless steel basket strainer). 1. Gem (Grinnell Corporation) Model A or B-1; Hersey, Mueller, Neptune or Rockwell. A. Watts 77F-250 series, cast iron flanged (ANSI B16.1) body with stainless steel screen tapped for closure plug. Provide blow-off valve. Screen size 3/16 inch perf. 1. Watts, Nibco, Braukmann. 2.16 DOUBLE CHECK DETECTOR ASSEMBLY A. UL listed, FM approved, (ASSE 1048) 150 lb. WWP, cast iron body, independent poppet type check valves and two (2) O.S. & Y valves with meter and bypass trimming, hard rubber bushings, bronze clapper with full face rubber gasket, neoprene discs, flanged connections. Bronze hinge pins, weights and replaceable bronze seats. B. The meter bypass includes an approved double check valve assembly with shut-off valves, test cocks, and a meter with an unsealed register. C. Detector check valve assembly shall comply with Water Department Standards. D. Watts Model 757DCDA, or approved equal by Conbraco, Gem, Hersey, Reliable, Central, Automatic Sprinkler, Viking, Star, Ames or Zurn/Wilkins. 2.17 SPRINKLER PIPING COVERS A. NFPA, FM Approved, UL Listed [18, 20, 22] gauge cold rolled steel primer for painting, for pendant or sidewall installation, with snap-lock brackets, end caps, corners, wall flanges and couplings to make-up a complete pipe covering system where indicated on Drawings. 1. Soft-Steel System or approved equal. 21 05 02-4 13-HC1-033
PART 3 EXECUTION 3.01 INSTALLATION A. Install supervisory switches on all operable valves except fire department valves. Refer to Drawings. B. Install flow switches at locations indicated on the Drawings and as required. C. Do not install a flow switch within 12 inches of a "tee" or "elbow" or within 18 inches of a gate valve. D. Install pressure gauges on top of each standpipe, sprinkler riser at each test connection and where shown on the Drawings. E. Pressure gauges shall be located where water will not freeze, provided with a shutoff valve and with provision for draining. F. All drain and Inspectors Test piping passing through an exterior wall shall be galvanized or non-ferrous. No raw steel surface shall be exposed. G. Install a blind test connection in test pipes connected to an open drain and a sight test connection in test pipes that connect to closed drains. H. Install water motor gong on exterior building wall where directed by Architect. I. Install all necessary pipe hangers of approved spacing, type and size per NFPA 13. J. Provide splash blocks for all drain and inspectors test outlets occurring in sodded areas. K. Install baffles on sprinklers less than 6 feet apart. L. Install siamese connection so centerlines of inlets are a minimum of 18 inches to a maximum of 42 inches above finished grade. M. Install siamese and fire pump test connections flush with wall and level. N. Torque siamese and fire pump test connection outlet caps to prevent unauthorized usage or removal. O. Provide full-size drain from backflow preventer air gap drain funnel to exterior of building. P. Provide automatic ball drip valve on line to siamese and fire pump test connections. Extend ball drip valve drain line to nearest drain. Q. Install siamese connection riser plumb. R. Install sprinkler piping covers plumb and per manufacturer's recommendations. 13-HC1-033 21 05 02-5
3.02 COORDINATION OF WIRING A. Required wiring from fire protection specialties to the fire alarm panel is provided by the Electrical Contractor. B. Electric alarm bell's wiring is to be interlocked with the fire alarm riser pressure switch. Wiring is provided by the Electrical Contractor. END OF SECTION 21 05 02-6 13-HC1-033