VA 21 12 00-2005 FIRE-SUPPRESSION STANDPIPES.pdf

1、12-05M 21 12 00 - 1 SECTION 21 12 00 FIRE-SUPPRESSION STANDPIPES SPEC WRITER NOTES: 1. Delete between / - / if not applicable to the project. Also delete any other item or paragraph including NFPA references which are not applicable and renumber the paragraphs. 2. References to pressure in the secti

2、on are gage pressure unless otherwise noted. 3. Use Manual Dry Standpipe for unheated area of the building only. 4. The spec writer shall review the Physical Security Design Manual for VA Facilities to determine and include any Mission Critical or Life Safety requirements called out. PART 1 - GENERA

3、L 1.1 DESCRIPTION Fire-suppression wet / and / manual dry / standpipes. 1.2 SCOPE OF WORK A. Design, installation and testing shall be in accordance with NFPA 14 except for specified exceptions. B. Design, materials, equipment and installation, inspection and testing of a complete and ready for oper

4、ation fire-suppression wet / and / manual dry / standpipe system as required by NFPA 14./ /C. Modification of the existing standpipe system as indicated on the drawings and as further required by these specifications. / /D. Expansion or revision of the building system fire alarm system to incorporat

5、e new system alarms and supervisory devises./ /E. Providing of access panels where control or drain valves are located behind plaster or gypsum walls or ceilings./ F. Painting of exposed piping and supports to match surrounding background in stairways and red in unfinished areas. 1.3 RELATED WORK A.

6、 Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Section 33 10 00, WATER UTILITIES. C. Section 07 84 00, FIRESTOPPING, Treatment of penetrations through rated enclosures. D. Section 08 31 13, ACCESS DOORS AND FRAMES: for access panels for plaster or gypsum finishes. E. Section 09 91 0

7、0, PAINTING. F. Section 21 10 00, WATER-BASED FIRE-SUPPRESSION SYSTEMS, for dry sprinklers, fire pumps, etc. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-12-05M 21 12 00 - 2 G. Section 28 31 00, FIRE DETECTION AND ALARM, Connection to fire alarm o

8、f flow switches, pressure switches and valve supervisory switches. H. Section 21 05 11 COMMON WORK RESULTS FOR FIRE SUPPRESSION for general mechanical requirements and items, which are common to more than one section. 1.4 QUALITY ASSURANCE A. Designers Qualifications: Design work and shop drawings s

9、hall be prepared by a licensed engineer practicing in the field of Fire Protection Engineering. SPEC WRITER NOTE: Most states do not have or issue fire standpipe contractors licenses. Therefore, as a minimum, the contractor must hold a contractors license in the state where the work is to be perform

10、ed. B. Installer Reliability: The installer shall possess a valid State of / (insert state in which work is being performed) / contractors license. The installer shall provide documentation of having successfully completed three projects of similar size and scope. C. Materials and Equipment: All equ

11、ipment and devices shall be of a make and type listed by UL and approved by FM, or other nationally recognized testing laboratory for the specific purpose for which it is used. All materials, devices, and equipment shall be approved by the VA. D. Testing: Materials and Testing Certificate as per NFP

12、A 14. Provide certificates for all parts of the system. 1.5 DESIGN CRITERIA A. The design, materials, equipment, installation, and testing of the system shall be in accordance with NFPA 14 the latest edition. B. For hydraulic calculations, calculated demand shall not fall less than 10 percent below

13、the water supply curve. SPEC WRITER NOTE: The A/E shall verify in writing that the responding fire department has a pumper truck with a minimum rating of 3785 l/m (1000 gpm) at 1035 kPa (150 psig). Base design on the available water supply. B. Water Supply: Base water supply on a fire pumper truck b

14、eing able to provide 3785 l/m (1000 gpm) at 1035 kPa (150 psig) and 2650 l/m (700 gpm) at 1380 kPa (200 psig) at the fire department connection. SPEC WRITER NOTE: If the local fire department has fire attack procedures requiring 450 kPa (65 psig) at the hose connections, the design may be adjusted a

15、ccordingly with the written approval of the fire department. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-12-05M 21 12 00 - 3 C. Size standpipes to provide / 450 / 690 / kPa (/ 65 / 100 / psig) at the most remote connections. SPEC WRITER NOTE: Sei

16、smically support piping in zones when required by NFPA 14. /D. Provide seismic protection for all new and existing systems in accordance with zone _ as required by NFPA 14. Also comply with Section 21 05 11, Common Work Results for Fire Suppression for allowable seismic design. / 1.6 SUBMITTALS A. S

17、ubmit as one package in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. Prepare detailed working drawings that are stamped by a Registered Professional Engineer practicing in the field of Fire Protection Engineering. As Government review is for technical adequacy only, th

18、e installer remains responsible for correcting any conflicts with other trades and building construction that arise during installation. / Partial submittals will not be accepted. / Material submittals shall be approved prior to the purchase or delivery to the job site. Suitably bind submittals in n

19、otebooks or binders and provide index referencing the appropriate specification section. Submittals shall include, but not be limited to, the following: 1. Certificates: a. /Designers and/ Installers qualifications and documentation of previous work. b. Materials and Testing certificates as specifie

20、d. 2. Drawings: Submit detailed 1:100 (1/8 inch) scale (minimum) working drawings conforming to NFPA 14. Include a site plan showing the fire hydrant nearest the fire department connection. 3. Manufacturers Literature and Data Sheets: All pertinent literature and data for the materials and equipment

21、 proposed for the project. Include listing information and installation instructions in data sheets. Clearly identify the item to be used. a. For backflow preventers, provide flow test curves from UL, FM, or the Foundation for Hydraulic Research and Cross-Connection Control to verify pressure loss c

22、alculations. b. Provide for materials and equipment proposed for use on the system. Include listing information and installation instructions in data sheets. Where data sheet describes items in addition to that item being submitted, clearly identify proposed item on the sheet. Provided by IHSNot for

23、 ResaleNo reproduction or networking permitted without license from IHS-,-,-12-05M 21 12 00 - 4 4. Calculation Sheets: Submit hydraulic calculations in accordance with NFPA 14. 5. Final Document Submittals: Provide as-built drawings, testing and maintenance instructions in accordance with the requir

24、ements in Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. Submittals shall include, but not be limited to, the following: a. One complete set of reproducible as-built drawings showing the installed system with the specific interconnections between the waterflow switch or pressure switch

25、and the fire alarm equipment. One copy of final CADD drawing files shall be provided on diskettes that are compatible with the VAMC CADD system. b. Four sets of complete, simple, understandable, step-by-step, testing instructions giving recommended and required testing frequency of all equipment, me

26、thods for testing all equipment, and a complete trouble shooting manual. Provide maintenance instructions on replacing any components of the system including internal parts, periodic cleaning and adjustment of the equipment and components with information as to the address and telephone number of bo

27、th the manufacturer and the local supplier of each item. c. Certificates shall document all parts of the installation. 1. /Designers and/ Installers qualifications and documentation of previous work. 2. Materials and Testing certificates as specified. d. Instruction Manual: Provide one copy of the i

28、nstruction manual covering the system in a flexible protective cover and mount in an accessible location adjacent to the riser. 1.7 APPLICABLE PUIBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the

29、 basic designation only. B. American Society of Mechanical Engineers (ASME): B16.3-99. Malleable Iron Threaded Fittings C. Factory Mutual Engineering Corporation (FM): Approval Guide 2001 SPEC WRITER NOTE: Specify the latest edition of NFPA codes and standards. C. National Fire Protection Associatio

30、n (NFPA): 14-2003 Installation of Standpipe, Private Hydrant and Hose Systems Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-12-05M 21 12 00 - 5 101-2003. Safety to Life from Fire in Buildings and Structures (Life Safety Code) 170-1999. Fire Safety

31、Symbols SPEC WRITER NOTE: Specify the latest edition of the UL Fire Protection Equipment Directory. D. Underwriters Laboratories, Inc. (UL): Fire Protection Equipment Directory 2002 E. Uniform Building Code 1997 PART 2 PRODUCTS 2.1 GENERAL All devises and equipment shall be Underwriters Laboratories

32、 listed for their intended purpose. 2.2 PIPING & FITTINGS A. Shall be in accordance with NFPA 14./black steel, schedule 10 minimum./ B. Threaded or flanged fittings shall be ANSI B 16.3 cast iron, class 125 minimum. Threaded fitting are not permitted on pipe with wall thickness less than Schedule 40

33、. C. Clamp-on fittings with rubber gaskets shall be listed for the piping application. D. Plain end pipe, fittings with locking lugs or shear bolts are not permitted. Use nonferrous piping in MRI Scanning Rooms. 2.3 VALVES A. Do not use quarter turn ball valves for 50 mm (2 inch) or larger drain val

34、ves. B. The wet system control valve shall be a listed indicating type valve. Control valve shall be UL Listed and FM Approved for fire protection installations. System control valve shall be rated for normal system pressure but in no case less than 175 PSI. (No Substitutions Allowed). SPEC WRITER N

35、OTE: Alarm check valve required only for one zone system. /C. Alarm valve shall be UL Listed and Factory Mutual Approved. The alarm valve shall be equipped with a removable cover assembly. The alarm valve shall be listed for installation in the vertical or horizontal position. The alarm valve shall

36、be equipped with gauge connections on the system side and supply side of the valve clapper. The alarm valve shall be equipped with an external bypass to eliminate false water flow alarms. The alarm valve trim piping shall be externally galvanized. Maximum water working pressure to 250 PSI. / D. List

37、ed Indicating Valves: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-12-05M 21 12 00 - 6 1. Gate: OS&Y, 1200kPa (175 psig) WOG. 2. Butterfly: Gear operated, indicating type, 1200 kPa (175 psig) WOG. E. Check Valves: Swing type, rubber faced or wafer

38、 type spring loaded butterfly check valve, 1200 kPa (175 psig) WOG. F. Drain Valves: Threaded bronze angle, globe, ball or butterfly, 1000 kPa (150 psig.) WOG equipped with reducer and hose connection with cap or connected to a drain line. /G. Standpipe Hose Valves: 65 mm (2-1/2 inch) screwed, brass

39、 hose angle valve, male hose threads same as local fire protection service, 65 mm (2-1/2 inch) by 40 mm (1-1/2 inch) reducer, and with permanently attached polished brass cap and chain. / SPEC WRITER NOTE: Automatic ball drains are not required in geographical areas not subject to freezing temperatu

40、res. /H. Automatic Ball Drips: Cast brass 20 mm (3/4 inch) in-line automatic ball drip with both ends threaded with iron pipe threads. / 2.4 FIRE DEPARTMENT SUPPLY CONNECTION A. Brass, / flush wall type, / freestanding, / exterior fire department connection with brass escutcheon plate, / without sil

41、l cock, / and a minimum of two 65 mm (2-1/2 inch) connections, or a configuration acceptable to the responding fire department. Connections shall be threaded to match those on the local fire protection service, with polished brass caps and chains. Provide escutcheon with integral raised letters / “S

42、tandpipe and Automatic Sprinkler“ / “Dry Standpipe System“ /. Install an automatic ball drip between fire department connection and check valve with drain piping routed to the exterior of the building or a floor drain. / 2.5 IDENTIFICATION SIGNS/HYDRAULIC PLACARDS A Provide for all new and existing

43、sectional valves, riser control valves, drain valves and alarm devises. The signs shall be in accordance with NFPA 14 and attached securely to each item. B Plastic, steel or aluminum signs with white lettering on a red background with holes for easy attachment. Enter pertinent data for each system o

44、n the hydraulic placard. SPEC WRITER NOTE: Provide the following paragraph where cabinets are to be installed. /2.6 STANDPIPE HOSE VALVE CABINETS White glossy polyester coated 1 mm (20 gauge) steel box, 1 mm (20 gauge) tubular steel door and 1.3 mm (18 gauge) frame with continuous steel hinge with b

45、rass pin, welded and ground smooth steel corner seams, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-12-05M 21 12 00 - 7 recess type, 600 mm by 600 mm by 250 mm deep (24-inches by 24-inches by 10-inches deep). Finish door and frame with white prime

46、 polyester coating./ 2.7 VALVE SUPERVISORY SWITCHES: A. Provide each indicating standpipe and control valve with adequate means for mounting a valve supervisory switch. B. Mount switch so as not to interfere with normal operation of the valve and adjust to operate within two revolutions toward the c

47、losed position of the valve control, or when the stem is moved no more than one fifth of the distance from its normal position. C. The mechanism shall be contained in a weatherproof die cast aluminum housing, which shall provide a 20 mm (3/4 in.) tapped conduit entrance and incorporate the necessary

48、 facilities for attachment to the valves. D. Switch housing to be finished in red baked enamel. E. Water flow Alarm Switches: Mechanical, non-coded, non-accumulative retard and adjustable from 0 to 60 seconds minimum. Set flow switches at an initial setting between 20 and 30 seconds. SPEC WRITER NOT

49、E: Pressure switches are required only for alarm check valves. F. Valve Supervisory Switches for Ball and Butterfly Valves: May be integral with the valve. G. All conduit and wiring connected thereto shall be provided in Section 28 31 00, FIRE DETECTION AND ALARM. 2.8 GAUGES Provide gauges as required by NFPA 14. 2.9 PIPE HANGERS AND SUPPORTS Supports, ha