SECTION FIRE PROTECTION

Transcription

1 SECTION FIRE PROTECTION PART 1 - GENERAL 1.01 RELATED DOCUMENTS A. Basic Requirements: Provisions of Section 15010, BASIC MECHANICAL REQUIREMENTS, and Section 15030, ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT, are a part of this Section SUMMARY A. General: Provide the fire protection systems indicated ADDITIONAL REQUIREMENTS A. Related Sections: Other Sections of Division 15 which relate to the requirements of this Section may include but are not limited to the following: , BASIC MECHANICAL MATERIALS AND METHODS , PIPE AND FITTINGS , VALVES , PIPING SPECIALTIES , THERMAL INSULATION B. Related Divisions: Other Divisions or Sections of these specifications which relate to the requirements of this Section may include but are not limited to the following: 1.04 SUBMITTAL 1. Division 16, ELECTRICAL A. General: Refer to paragraph entitled "SUBMITTAL" in Section Include the following data: B. Manufacturers Literature: a. Dimensional outline drawing and verification of UL/FM approval for the following list of equipment: (1) Each different type of valve. (2) Each different type of piping hanger. (3) Each type of fire sprinkler head. (4) Fire department connection. FIRE PROTECTION

2 (5) Waterflow devices and supervisory switches. 2. Installation Instructions: a. Manufacturer's printed instructions for the installation of sprinkler system items including copies shipped with the equipment. 3. Maintenance Instructions: a. Test procedures and frequency of testing required for each component. b. Instructions to the Owner's designated employees on the operation of the entire system. C. Piping Shop Drawings: Submit 1/8" scale piping shop drawings as prescribed in Section and as required by codes. Shop drawings shall include sprinkler piping cut lengths, offsets, fittings and devices, elevations, hangar locations, sprinkler head count by type, elevation sections and other installation information. Submit hydraulic calculations proving the viability of the most hydraulically remote areas of the project. Indicate hydraulic reference points and submit computer analyzed nodal calculations in both tabular and graphical formats. Hydraulic imbalance shall not exceed 0.01 gpm at any node, and water velocity shall not exceed 20 feet per second. Demonstrate compliance with the requirements of NFPA-13 regarding density, area of application, selection of hydraulically remote areas, and maximum coverage per sprinkler. D. Test Plan: Submit a "Test Plan" which describes how the system(s) will be tested, including a step-by-step procedure of all tests indicating type and location of test apparatus to be employed. The tests shall demonstrate that the operating and installation requirements have been met APPLICABLE STANDARDS A. General: All equipment, material, accessories, methods of construction and reinforcement, finish quality, workmanship and installation shall be in compliance with the paragraph entitled "Code Compliance" in Section B. Editions of the NFPA National Fire Codes (NFPA), or the latest Revisions of these Codes as adopted by the local authority having lawfull juisdiction, as follows: FIRE PROTECTION

3 C. NFPA - Fire Sprinkler System: The fire sprinkler protection systems installation, flushing and testing shall comply with the requirements of NFPA 13, and 24. D. NFPA - Portable Fire Extinguisher: Portable fire extinguishers shall comply with the requirements of NFPA 10. E. Pipe Thread Pattern: All threads shall be in accordance with local fire department specifications and NFPA F. UL/FM Approval: All equipment, valves, couplings, hangers and devices shall be approved by Underwriters' Laboratory (UL) and Factory Mutual (FM) for use in fire protection service. G. Licensure: The fire protection systems shall be installed by a State of Florida Certified Fire Protection Contractor I. PART 2 - PRODUCTS 2.01 MANUFACTURER A. General: Refer to paragraph entitled "MANUFACTURERS" in Section B. Single Manufacturer: All items of a similar type shall be by the same manufacturer STANDARD SPRINKLER HEADS A. General: Fire sprinkler frames and bulbs shall be color-coded to identify the temperature rating of the fusible element. Unless otherwise indicated, fire sprinkler heads shall have 1/2 inch threaded male connection and 1/2 inch orifice, shall have a temperature rating of 160 degrees F., and brass frame with flat brass finish. B. Spare Fire Sprinkler Head Cabinet: Provide sufficient spare sprinkler head cabinets to store the required quantities of sprinkler heads. Storage cabinets shall be red gloss, polyester-coated steel construction. Provide a minimum of six spare heads of each type and each different temperature rating installed; provide 2 installation tools or wrenches with each different type of sprinkler head. Cabinet shall have catch-lock and continuous piano hinge. Reliable Model A1 FIRE PROTECTION

4 C. Sprinkler Cage Guard: Provide sprinkler head open-wire cage guard to protect heads from injury. Cage wire shall be cadmium-plated steel. Central Sprinkler Guard A-1 Viking Model A-1 Sprinkler Guard 2.03 PIPE AND FITTINGS A. General: Only the following materials designed for 175 psig CWP shall be used for fire protection piping unless specifically indicated otherwise. All piping materials shall have a corrosion resistance rating (CCR) of 1.0 or greater. B. Pipe: 2 inch or smaller pipe, and all threaded piping shall be black steel, Schedule 40, ASTM A /2 inch and larger pipe may be black steel, Schedule 10, ASTM A-135. C. Fittings: Schedule 40 black steel pipe shall be joined by mechanical couplings, threaded or welded fittings; Schedule 10 black steel pipe shall be joined by rolled groove couplings or welded fittings only. Welded branch connections which are at least 2 nominal pipe sizes smaller than the main are permitted. Threaded fittings are acceptable only for piping 2 inches and smaller. D. Corrosion Protection: All black steel pipe and fittings exposed to the exterior, moisture or corrosive fumes must have a protective coating, such as factory hot-dipped galvanization; galvanized painting of piping is prohibited. E. Flanges: Flanged fittings shall be threaded or welded, cast iron or steel, short body, Class 125. Gaskets shall be full face 1/8 inch minimum thickness red sheet rubber. Flange bolts shall be hexagon head machine bolts with heavy semi-finished hexagon head nuts, cadmium plated, having dimensions in accordance with ANSI B18.2. Grooved flanges shall not be permitted. Flange gaskets for dry pipe systems shall be made of material specifically listed for air service. F. Underground Piping: Underground piping shall be Ductile Iron Class 52, UL/FM approved. Fittings shall be Class 250, Mechanical Joint. All underground pipe lengths and bends shall be rodded and all bends shall have thrust blocks VALVES FIRE PROTECTION

5 A. Gate Type Isolation, 2-1/2 Inch and Larger: Isolation valves 2-1/2 inch and larger shall be gate valves with open screw and yoke. Valve shall have cast iron body with the valve size, pressure rating, manufacturer, and "UL" and "FM" cast into the body. Valve shall have bronze or cast iron double disc and wedge, cast iron handwheel, bolted cast iron bonnet, nonre-lubricatable bronze stem with O-ring seals, and corrosion inhibiting asphalt varnish finish. Valve shall have 175 psig CWP working pressure, 350 psig test pressure, flanged connections, and shall be provided with an integral tamper switch. Stockham G-634 Mueller A Crane 467 Nibco F B. Butterfly Type Isolation, 2 Inch and Smaller: Isolation valves 2 inches and smaller shall be butterfly valves rated for 175 psig CWP. Valve shall have bronze body, type 304 stainless steel disc, type 303 stainless steel stem, Viton disc seal, steel handle with plastic grip, threaded connections, and integral tamper switch assembly. Milwaukee BBSCS02 C. Butterfly Type Isolation, 2-1/2 Inch and Larger: Isolation valves 2-1/2 inch and larger shall be cast iron body butterfly valves with the valve size, pressure rating, manufacturer and "UL" and "FM" cast into the body. Valve shall have bronze or cast iron disc, neoprene disc liner, cast iron handwheel with disc position indicator, integral tamper switch, 175 psig CWP working pressure, 350 psig CWP test pressure, and flanged or grooved connections. Grinnell 8000 FP FIRE PROTECTION

6 D. Post Indicator: Post indicator shall be adjustable length type upright with cast iron barrel and base, with a replaceable ductile iron lower section. Post shall have a steel stem and retaining ring, ductile iron hand operating wrench, lubricatable bearings, and clear plexiglass window protecting plastic signs which indicate the valve position to be "OPEN" or "SHUT". A cast iron socket shall activate the post indicator valve. Mueller A Nibco NIP-1A Stockham 951A E. Indicator Valve: Indicator valves shall be gate valve with non-rising bronze stem. Valve shall have cast iron body with the valve size, pressure rating, manufacturer, and "UL" and "FM" cast into the body. Valve shall have cast iron double disc and wedge, bronze seat ring, square cast iron operating nut compatible with the indicator socket, bolted cast iron bonnet, cast iron post indicator valve stuffing box with fiber gasket and rubber O- rings, cast iron indicator post flange, and asphalt varnish finish. Valve shall have 175 psig CWP working pressure, 350 psig test pressure, and flanged connections. Stockham G-632 Mueller A Nibco F HOSE CONNECTION A. Sidewalk Siamese: Provide polished chrome-plated free standing cast brass 2-1/2 inch snoots with 2-1/2 x 2-1/2 inch female inlets with drop clappers. Provide polished chrome-plated 18 inch standpipe sleve with sidewalk plate with embossed letters describing the associated fire protection system, such as, "AUTO. SPKR. STANDPIPE". Provide pin lug hose thread swivels and gasket, pin lug plug and chain. FIRE PROTECTION

7 Dual-Inlet Triple-Inlet Guardian Potter-Roemer 5760 Series 5770 Series 2.06 WATERFLOW DEVICES AND SUPERVISORY SWITCHES A. Isolation Valve Tamper Switch: Provide an electronic supervisory or tamper switch on each isolation valve in the sprinkler system. Unit shall have a red tamper-proof cover which will activate an alarm or trouble signal when adjusted. Provide unit with single-pole, normally closed microswitch, mounting bracket, and non-resettable lock with removable reset key. Simplex Potter-Roemer 6222 or 6220 Potter Electric Signal Co. PTS-B or OSYSU-A B. Indicator Post Valve Tamper Switch: Provide weatherproof electronic supervisory or tamper switch on each indicator post valve in the fire protection system. Unit shall have a red tamper-proof cover which will activate an alarm or trouble signal when adjusted. Provide unit with single-pole, normally closed microswitch, mounting bracket, and automatic reset. Simplex Potter Electric Signal Co. PIVS-B C. Flow Switch: Provide an electric flow switch where indicated or required. Flow shall be sensed by an immersion paddle, with an adjustable retard setting from 0 to 70 seconds to minimize false alarms. Flow switch shall have 2 separate single pole, double throw microswitches to activate a flow alarm, or to indicate a trouble signal if the flow switch housing is tampered. Flow alarm shall be automatically resetting. Provide clamp-on housing to secure unit to pipe, or threaded connection for tee fitting. FIRE PROTECTION

8 Potter-Roemer Potter Electric Signal Co Series VSR-S D. Inspector's Test and Drain: Test and drain shall be provided with integral sight glass, integral 1/2 inch test orifice and positive positioning of handle for off, test and drain operations. G/J Innovations, Inc AGF Manufacturing, Inc. "Sure-Test" "Testdrain" E. Electric Alarm Bell: 10 inch electric bell 120 VAC. Notifier N-CO-BELL PART 3 - EXECUTION 3.01 INSTALLATION A. Water Service Connection: Provide a double check valve backflow preventer in the fire service connection to the domestic water main. Refer to paragraph entitled "BACKFLOW PREVENTER" in Section B. Hangers: Pipe hangers on 4 inch and larger piping shall be clevis-type only. All hanger spacing shall comply with the requirements of NFPA-13. C. Sprinkler Head Location: Install sprinkler heads in the center of the ceiling tiles for suspended ceiling applications. D. Gauges: Provide gauges and gauge valves at the top of each standpipe. Gauge scale shall be psi unless otherwise indicated. E. Flushing: The entire system shall be flushed with clean water to remove debris resulting from installation. Flush through a burlap bag to retain debris for examination. FIRE PROTECTION

9 F. Prohibited: Do not paint the fusible-link attached covers of concealed sprinklers EQUIPMENT INSTRUCTION PLATES A. General: Provide engraved instruction plates detailing emergency procedures at each system control panel and at each hazard area manual discharge station locations. Permanent nameplates shall be used in the control panel to identify control logic units, contactors and major circuits HYDROSTATIC TESTS A. General: Above ground and below ground piping systems shall be hydrostatically tested at not less than 200 psi pressure, or at 50 psi in excess of the maximum pressure, whichever is greater, for a period of 2 hours. The test pressure shall be read from a gauge located at the low elevation point of the individual system or portion of the system being tested. The sprinkler piping shall not have leakage exceeding the amounts specified in NFPA 24. Leakage quantities shall be determined by pumping at the specified test pressure from a calibrated container. Repair leaking joints and retest as necessary until all systems have been tested. Test the piping between the check valve in the fire department inlet pipe and the outside connection the same as the balance of the system. B. Test Blank: Test blanks (blind flanges) used shall be the self-indicating type, with red painted lugs protruding beyond the flange to clearly indicate their presence. Number all test blanks to assure removal after the testing is completed SYSTEM INSPECTION AND CHECKOUT A. General: After the installation is complete, the system shall be inspected by factory trained personnel in accordance with the manufacturer's recommended procedures. B. System Operation: Operate systems as required to demonstrate that the systems are operating in accordance with the design, including line pressure testing. Supply instruments required to read data. Adjust systems to operate at the required performance levels. Advise Architect 7 days prior to testing. Tabulate data and submit on 8-1/2 x 11 inch sheets with time, name of tester and the local authority having jurisdiction and witnessing the test, with one copy for each Technical Information Brochure. FIRE PROTECTION

10 3.05 INSTRUCTIONS TO OWNER A. General: Provide to Owner's designated representatives a minimum of 2 hours classroom and on-site instructions in operation and maintenance of all fire protection systems and equipment. Furnish 6 sets of typed operating instructions. Written and signed acknowledgement of the instructions seminar shall be submitted prior to final acceptance. Submit in writing to the Owner an "Instruction in Operation Conference" notification of the mutually agreed upon time for the conference. At the end of the conference, 6 copies of an Instruction in Operation Conference Memo shall be signed by all parties and one copy shall be inserted in each Technical Information Brochure. END OF SECTION FIRE PROTECTION