FIRE PROTECTION SYSTEM

WET PIPE SPRINKLER SYSTEM

PART 1 – GENERAL

1.1.1 DESCRIPTION

A. Provide all labor, material, equipment and services necessary for and incidental to the wet automatic sprinkler as shown on the Drawings and specified herein.

B. Secure the services of a skilled and experienced fire sprinkler system contractor, licensed in this field to design and prepare complete hydraulic calculations and shop drawings for the wet automatic sprinkler system.

1. Design criteria for a hydraulically designed wet automatic sprinkler system shall conform to the following design criteria:

a. Minimum design criteria shall provide 0.20 gpm / sq.ft. (8.1 lpm / sq.m.) over the most remote 2000 sq.ft. (186 sq. m.) area of the system.

b. Total system water demand shall include a minimum hose allowance of 250 gpm (946 LPM).

c. The total system water demand , including the 250 gpm (946 LPM) minimum hose allowance, shall be at least ten percent (10%) below the available water supply.

d. Sprinkler head spacing shall not exceed 130 –sq.ft. (12.0 sq. m.) for Ordinary Hazard Group II ; for both upright, pendent, and ceiling concealed type and shall be “QUICK-RESPONSE TYPE”.

e. Sidewall Sprinkler head spacing shall be Extended coverage type, “QUICK RESPONSE TYPE”.

C. Furnish and install a Combined Wet Standpipe and Automatic Sprinkler System for the entire building, as indicated on the drawing and in accordance with the requirement of NFPA 14,13,101, and 20.

D. The complete Combined Wet Standpipe and Automatic Sprinkler system shall be tested and approved as required by the laws, ordinances, rules, regulations and orders of governmental authorities having jurisdiction over this work.

1.1.2 QUALITY ASSURANCE

A. All work included in this section shall be of an approved type and installed in accordance with and conform to the provisions of the test edition of NFPA No. 13 and all other applicable NFPA pamphlets.

1. Where an automatic fire alarm system is required by the laws, ordinances, rules, regulations and orders of the governmental authorities having jurisdiction over this Work, provide an automatic fire alarm system and install in accordance with and conforming to the requirements of the governmental authorities editions of NFPA No. 71,72,74, and 1221 and all other applicable NFPA pamphlets.

B. Comply with all laws, ordinances, rules, regulations and orders of governmental authorities having jurisdiction over this Work and secure any and all required permits, approvals, test and / or certifications.

C. Comply with all requirements of the Owner’s Insurance Consultants, and secure any and all required approvals.

D. Comply with all requirements of the Owner and secure any and all approval.

E. All equipment and devices shall be listed by Underwriters’ Laboratories, Inc. and accepted by Factory Mutual Research Corporation.

F. Welding and brazing, where applicable, shall be done in accordance with the methods set forth in the American National Institute for Power Piping, ANSI B31.1.0,1967 and including Addenda ANSI B31.1.OA, 1971 and ANSI B31.1.OB,1971.

1.1.3 SUBMITTALS

A. Submit the following as specified hereinafter:

1. Manufacturer’s Literature: Materials description and recommended installation instruction for all specified equipment items. Furnish data covering manufacturer, model, model number, type, size, capacity and Underwriters’ Laboratories, Inc. and Factory Mutual Research Corporation listings for piping: fittings hangers; gages; valves; sprinkler heads; Siamese fittings; water-motor gong ; inspector’s test pipe; monitor switches; flow switches; water control valve tags; sprinkler head wall mounted cabinets; and automatic fire alarm system (where applicable).

2. Shop Drawings:

a. Submit five (5) sets of complete Shop Drawings. Complete Shop Drawings shall consist of manufacturer’s literature, site plan showing the location and size of the public or private water supply main, hydraulic calculations, water flow test, wet automatic sprinkler system piping drawings including rough-in drawings and where applicable, wiring fire alarm system drawings including wiring diagrams.

1. Water Flow Test:

a. Provide written certification indicating the date of the flow test and the person or entity who conducted the test, including phone number and address.

1. Water flow test shall be as current as possible and shall be no older than one (1) year.

b. Provide location of or distance to the point where the water flow was performed.

2. Hydraulic Calculations

a. If a gridded system is utilized, at least two (2) additional remote areas shall be tried and shown to be less than the most demanding.

3. Wet Automatic Sprinkler system Piping Drawings:

a. The location of the most remote operating area shall be clearly shown on the drawings.

b. Before commencing work, secure the approvals , in the following order, of the following:

1. Prepare complete calculations and shop drawings for the system in conformance with all laws, ordinances, rules, regulations and orders of governmental authorities having jurisdiction over this part of the Work and secure any and all required written approvals from the local regulating authorities prior to submission to the Consulting Engineers.

2. Submit shop drawings to the Consulting Engineers for the following reviews and approvals:

a. The Consultant:

1. The Mechanical Consultant shall review and approved the shop drawings.

c. The fire Protection contractor shall make required revisions to the shop Drawings and shall proceed in the following manner:

1. If the Shop Drawings are stamped “No Exception Taken” by all parties involved, the Fire Protection Contractor shall proceed with the fabrication and the installation of the work.

2. If the shop drawings indicate any changes or exceptions by any and/or all reviewing parties involved, the Fire Protection Contractor shall proceed as follows:

a. Revise the shop Drawings and secure re-approvals from the local regulating authorities prior to re-submission to the Owner.

b. Re-submit to the Architect, the number of sets specified hereinbefore, for record purposes only. The General contractor may proceed with the fabrication and Installation of the Work at his own risk. Record copies of the Shop drawings containing Mechanical consultant’s and the Owner’s Insurance consultant’s approval shall be forwarded to the Fire Protection Contractor and the Owner by Owner’s Agent provided that all revisions have been made.

c. Obtain written approval of the Shop Drawings from the Consulting engineer prior to fabrication any materials or proceeding with the installation of the Work.

3. Certification of System: Furnish test report and/or

certification from the local regulating authorities or other acceptable evidence to indicate compliance with and approval of the local regulating authorities.

4. Certification of Welders: Shall be performed by an acceptable, Independent Testing Laboratory and Test reports and coupons shall remain on file and available to the Architect at all times. Certification Tests shall be by destructive means and by Dye Penetration Method with X-ray.

1.1.4 PRODUCT DELIVERY, STORAGE AND HANDLING:

A. Deliver, receive, handle and store products and parts at the job site in such a manner as to prevent damage and loss. Follow manufacturer’s recommendations wherever possible.

B. All materials shall be delivered to the job site in their original containers with labels intact, fully identified with manufacturer’s name model. Model number, type , size, capacity, Underwriter’s Laboratories, Inc. and the Factory Mutual Research Corporation listings and other pertinent information necessary to identify the materials.

C. Immediately upon delivery to the job site, place materials within the building, protected from the weather and construction traffic

D. All damaged or other wise unsuitable materials, when so ascertained by the Owner, shall be immediately removed from the jobsite.

E. Replace damaged or otherwise unsuitable materials at no additional cost to the Owner.

PART II – MATERIALS

2.1 PIPING

A. Sprinkler piping shall generally be Sch.40, Black Steel or Iron (BI), “Electro Seamed Welded (ERW)” except for High Pressure Zone and Express riser shall be Sch. 40 “Seamless” Type in accordance with ASTM A120 or ASTM A53; Fittings in accordance with ANSI B16.3 rated for 150 lb. (1050 KPa) working pressure for all horizontal feedmain and crossmain, except for high pressure zone fire pump discharged lines and express risers shall be minimum of class 300 psig working pressure, in accordance with NFPA 13.

B. Combined Wet standpipes and automatic sprinkler riser shall be schedule 40 black steel pipes; “ERW” type for Low Pressure Zone and “Seamless” ASTM A120 with 300 lb. galvanized malleable iron screwed fittings, ANSI B16.3, pipe flanges and flanged fittings in accordance with ANSI 16.5. All combined wet stand pipe riser and sprinkler risers (both for low pressure and high pressure zone) shall be provided with mechanical grooved coupling every 18.0 meters or 3 pipe length to allow angular and lateral movement of pipe risers in case of an earthquake. Mechanical grooved coupling shall be flexible type, similar to “Victaulic” style 77 or approved equal with roll groove, rated at 1000 psig working pressure.

2.2 FITTINGS

A. Fittings shall conform to the following minimum standards:

1. Grey or ductile iron mechanical joint fittings, Class 250, and shall be produced in strict accordance with AWWA Specifications C110 and C111 and shall conform to details, tolerances and dimensions contained therein.

2. Cast iron or ductile iron flanged fittings, Class 250, shall be produced in strict accordance with AWWA Specifications C110 and C111 and shall conform to details, tolerances and dimensions contained therein

3. Factory fabricated carbon steel weld fittings shall be 150 lb. or 300 lb. as required, and shall be produced in strict accordance with ANSI Specifications B-16.0 and shall conform to details, tolerances and dimensions contained therein.

4. Malleable iron screwed fittings, 150 lb. or 300 lb., as required, shall be provided in strict accordance with ANSI Specifications B-16.9 and shall conform to details, tolerances and dimensions contained therein.

5. Should PVC push-on joint pressure pipe be used for piping outside building and below grade, the fittings shall be grey or ductile iron C1-PVC push-on joint Class 250, and shall be produced in accordance with AWWA Specifications C110 and C111 and shall conform to details, tolerances and dimensions contained therein.

6. Should there be a grooved piping inside the building and above the floor, the piping shall be installed in a cut grooved method using ductile iron mechanical pipe couplings of a bolted type with pressure-responsive mechanical pipe couplings of a bolted type mechanical pipe ductile iron fittings and flange adapters and shall conform to the details, tolerances and dimensions as required by the system manufacturer.

7. Fittings shall be designed to withstand the working pressure involved, but not less than 175 psi cold water pressure.

2.3 HANGERS:

A. Hangers shall conform to the minimum requirements of the latest edition of NFPA No. 13.

2.4 GAGES

A. Gages shall conform to the minimum requirements of the latest edition of NFPA No.13.

2.5 VALVES:

A. Valves shall conform to the minimum requirements of the latest edition of NFPA No. 13.

1. Gate Valves, 2-1/2 in. and larger: 150 psi working pressurea. Kennedy / Stockham , flanged end, OSY with monitor switch.

2. Gate Valves, 2 in. and smaller: 150 psi working pressure.a. Kennedy / Stockham , Screwed end, or equivalent.

3. Check Valves, 2-1/2 in. and larger:a. Kennedy / Stockham , central flanged end, or equivalent.

4. Butterfly Valve as floor control valveShall be listed for Fire Protection Service UL nd FM approved with monitor switch. Valve shall be listed for 175 psi, grooved ends. Ends shall be joined by flexible coupling. Butterfly valves as manufactured by “VICATAULIC”, “Kennedy”, or approved equal.

5. Post Indicator Valves / Pressure Relief ValveShall be listed for Fire Protection service UL and FM approved.

6. Hose Valves:2-1/2 and 1-1/2 shall be combination angle hose and pressure reducing device angle valve, UL listed and FM approved manufactured by “POWHATAN”, “Potter-Roemer”, “CENTRAL”, “GIACOMINI” or approved Equal.

2.06 SPRINKLER HEADS:

A. Sprinkler heads shall conform to the minimum requirements of the latest edition of NFPA No. 13, shall be UL and FM listed and shall be as specified hereinafter:

1. Head Type: Standard Upright “Plain Brass” (Quick Response Type).

2. For all areas with Ceiling stand pendent type with chrome finish. Sprinkler actuating temperature of 155oF (68 oC) listed by UL / FM , quck Response Type.

3. Side wall sprinklers shall be horizontal side wall, extended coverage quick response type with chrome plated finished and matching escutcheon rated @ 135 oF (57 oC) UL / FM listed. Side wall sprinkler shall have a maximum area of coverage of 400 sq. ft. (37 sq. m.) rated for a maximum length of coverage at 24 ft. (7.3 m.) and width coverage not less than 16 ft. (4.88 m.). Nominal “k” factor of 801 (116 metric) and with orifice size of 17/32” (20 mm).

4. For Kitchen Areas- shall be either upright or pendent suitable for 212 oF (100 oC) actuating temperature, “Quick Response Type”.

5. Acceptable Manufacturers:

1. “Automatic Sprinkler” by FIGGIE Fir Protection (U.S.A)2. “VIKING” corporation (U.S.A.)3. “CENTRAL” (U.S.A.)4. “GLOBE” (U.S.A.)5. or approved equal

2.07 INSPECTOR’S TEST PIPE

A. Inspector test and drain valve shall conform to the minimum requirements of the latest edition of NFPA No.13, UL listed and FM approved. “SURE-TEST” manufactured by G/J innovations Inc. (U.S.A.)

Alarm check Valve:

Shall be UL listed and FM approved, suitable for horizontal installation divided seat ring type with external bypass and retarding chamber. Basic trimmings shall include nipple, fittings, devices for external by-pass, alarm test bypass, gauge and drain connections, mounting supports for retarding chamber and drip funnel.

Standard trimmings shall be provided for use with and including water motor alarm pressure switch. Alarm check valve shall be rated for maximum working pressure of 175 psi and factory tested at 350 psi (with clapper open). Alarm check valve shall be flange x flange or flange x groove type, sizes 6” (150 mm) and 8” (200 mm). Flanges shall be class 300 in accordance with ANSI B16.1.

Alarm check valve shall be manufactured by “CENTRAL” Sprinkler Co. (U.S.A);“Reliable” Automatic Sprinkler Co. (U.S.A); “VIKING”, “ Grinnel/GEM” sprinkler or Approved Equal.

2.08 MONITOR SWITCH:

UL listed and FM approved single pole double throw switch actuator and a spring loaded plunger mounted in a housing, designed to make an electrical contact when OS&Y. control gate valve at sprinkler main riser is closed, “ Grinnel” Model F640, “Potter” model OSYU-2 or Approved Equal.

2.09 WATER CONTROL HEAD WALL VALVE TAGS:

A. Water control valve tags shall conform to the minimum requirements of the latest edition of NFPA no.26.

2.10 SPRINKLER CABINET:

A. Provide a wall mounted cabinet for the purpose of storing, on the premises, a stock of spare sprinkler heads. The cabinet shall contain the following:

1. A special sprinkler wrench.

2. 6 pcs. Standard 155oF upright6 pcs. Standard pendent12 pcs. FR-1,EC 155oF sidewall

PART III – EXECUTION

3.1 PREPARATION:

A. Examine all surfaces which is to support or receive parts place and subsequent construction. Notify General Contractor if any condition exists which will prevent the completion of the Work in this Section in a satisfactory manner. Application or installation of materials constitutes acceptance of the supporting and adjoining construction.

3.2 COORDINATION:

A. The location of major supply mains, Siamese fittings, etc., are shown and located on the drawings.

B. Installation of the wet automatic sprinkler system shall be coordinated, by the Fire Protection Contractor, with the immediate and related mechanical and electrical

installations and all other trades involved in other parts of the Work for the proper location and installation of sprinkler heads, piping, outlets and equipment before installation of same.

3.3 INSTALLATION:

A. Install the wet automatic sprinkler system in strict accordance with the approved drawings and each manufacturer’s requirements where required, and as applicable an automatic fire alarm system.

B. The connection between the system piping and fire pumps piping shall be made with a suitable transition piece and shall be properly strapped or fastened with approved devices.

C. All sprinklers pipe and fittings shall be so installed that the system may be drained.

D. On wet pipe systems, sprinklers pipe may be installed level and trapped piping shall be drained.

E. Drainage for the system or main shall installed so as to properly drain all of the system as follows:

a. On all risers 6 in. (150 mm) or larger, provide 3 in. (80 mm) drain pipes and valves.

b. On risers 2-1/2 in. (65 mm) to 3-1/2 in. inclusive, provide drain pipes and valves not smaller than 1-1/4 in. (32 mm).

c. On smaller risers, provide drain pipes and valves not smaller than ¾ in. (20 mm).

F. Auxiliary drains shall be provided when a change in piping direction prevents drainage of sections of branch lines or mains through the main valve.

a. Auxiliary drains not required for piping to a single sprinkler head on wet pipe system.

b. Auxiliary drains on trapped sections of wet pipe system shall be a minimum of 1 in. in size (25mm)

1. When a capacity of trapped sections of pipes is five (5) gallons (20L) or less, auxiliary drain shall consist of a 1 in. (25mm) nipple and cap or brass plug.

2. When capacity of trapped sections of pipe is more than five (5) gallons (20L), the auxiliary drain shall consist of a 1 in. (25 mm) valve complete with nipple and cap or brass plug.

G. Direct inter connections shall not made between sewers and sprinkler drains of systems supplied by public water.

a. Drain discharge shall be in conformity with any health or water department requirements.

b. Approved corrosive resistant pipe shall be used where drain pipes are buried underground.

c. Drain pipes shall not terminate in blind spaces under the building.

d. Drain pipes, when exposed, shall be fitted with a turned down elbow.

e. Drain pipes shall be arranged as not to expose any part of the sprinkler system to freezing conditions.

H. The sprinkler systems shall be protected, where applicable to minimize or to prevent pipe breakage where subject to earthquake as follows:

1. Mechanical grooved couplings shall be provided:

a. Within 24 in. (600 mm) of the top and bottom of all risers except as modified in “b”.

b. For risers or drops 2-1/2 in. (65 mm) or larger and 3 ft. (0.90 m) to 7 ft. (2.13 m) in length, one (1) mechanical groove coupling is adequate.

2. Sleeves shall be provided around all piping extending through the walls, floors, platforms and foundations:

a. Minimum clearance between the pipe and sleeve shall not be less than 1 in. (25 mm) through 3 in. (80 mm) and 2 in. (50 mm) for pipe size 4 in. (100 mm) and larger.

b. The clearance between pipe and sleeve shall be filled non-combustible flexible material such as mineral wool, or fiberglass or equivalent with intumescent fire sealant on both ends. Fire Sealant as manufactured by “PROMAT”, “HILTI”, “3M” or approved equal.

c. Material – B.I. pipe Sch. 40, ASTM A53 or A120 ERW (Electro Seam Welded).

3. Sway bracing shall be provided:

a. Feed and cross mains shall be braced to withstand a force under tension or compression equal to fifty percent (50 %) of the weight of water filled piping, utilizing a two-way sway brace in 2-1/2 in. (65 mm) and larger pipe. Top of risers shall be secure against drifting in any direction utilizing a four-way sway brace.

b. Where “U” hook hangers are used on branch lines, the pipe shall be secured to the end hanger by a wrap-around- type “U” hook.

c. U-type hangers used to support a system will satisfy most of the requirements for sway bracing except that in general. A longitudinal hanger shall be also required for 2-1/2 in (65 mm) and larger piping.

d. When feed and cross mains are hung with single rods longer than 6 in. , sway bracing shall be provided.

e. Sway bracing shall attached directly to the feed and crossmains only.

f. Fastening of piping to sections, which will move differently, such as a wall and a roof, is prohibited.

g. The latest piece of pipe at the end of a feed or cross main shall be provided with a transverse brace.

1. Transverse braces may also act as longitudinal braces if they are within 24 in. (600 mm) of the centerline of the piping braced longitudinally.

I. Pipe, tube or fittings shall be joined by the following means:

1. Threaded Pipe and Fittings:

a. All Threaded pipe and fittings shall have threads cut to ANSI Standards B2.1. Care shall be taken that the pipe does not extend into the fitting sufficiently to reduce the waterway.

b. Pipe shall be reamed after cutting to remove all burrs and fins.

c. Joint compound or tape shall be applied to the threads of the pipe and not in the fitting.

2. Welding pipe:

A. Sections of branch lines, crossmains, feed mains or risers may be shop welded.

B. Sections of welded piping shall be joined by means of screwed flange or flexible gasketed joints or other approved method

C. Torch cutting shall not be permitted as a means of modifying or repairing sprinkler systems.

D. Welding shall be done in accordance with the methods set forth hereinbefore.

E. Welders shall be certified as specified hereinbefore.

F. When welded fittings are used to form outlets:

1. Holes in piping shall be cut to the full diameter of the fitting2. Disc shall be retrieved.3. Openings in piping shall be smooth.4. All slag and other welding residue shall be removed.

3. Cut groove:

A. Steel pipe may be jointed with mechanical groove couplings approved for service with grooves cut in pipe by an approved grooving machine.

J. Sprinkler piping shall be substantially supported from the building structure which must support the added load of the water-filled pipe plus a minimum of 250 lbs. (114 kg) applied at the point of hanging.

1. Types of hangers and installation methods shall be in accordance with and conform to the latest edition of NFPA No. 13, unless they are certified by a professional registered engineer for the following:

A. Designed to support five (5) times the weight of the water-filled pipe plus 250 lbs. (114 kg) at each point of piping support.

B. These points of support are enough to support the sprinkler system.

C. Ferrous materials are used for hanger components.

D. Detailed calculations shall be submitted, when required by the reviewing authority, showing the following:

1. Stresses developed both in hangers and piping.

2. Safety factors allowed.

2. Sprinkler piping shall be supported independently of the ceiling sheathing, except as follows:

A. Toggle hangers may be used only for the support of branch lines under ceilings of hollow tile or metal lath and plaster.

3. When sprinkler piping is installed below ductwork, piping shall be substantially supported from the building structure or form steel angles supporting the duct work provided the angles conform to the requirements of the latest edition of NFPA No.13.

4. The components of hangers assemblies which directly attach to the pipe or to the building structure, except for mild steel hangers formed from rod, shall be listed.

5. For trapeze hangers, the minimum size of steel angle or pipe span between purlins or joints shall be specified in the latest edition of NFPA No.13.

A. All angles shall be used with longer leg vertical.

B. Any other sizes or shapes giving equal or greater section modulus will be acceptable.

C. The trapeze bar shall be secured to prevent slippage.

6. The size of hanger rods and fasteners required to support the steel angle iron or pipe shall be as specified in the latest edition of NFPA No.13.

7. Eye rods and ring hangers shall be secured with the necessary lock washers to prevent lateral motion at the point of support.

K. Screwed unions shall not be used on pipe larger than 2 inch. Couplings and unions of other than screwed type shall be of the types approved specifically for use in wet automatic sprinkler systems. Unions, screwed or flexible gasketed coupling or flanges may be used to facilitate installations.

L. Use one-piece reducing fittings wherever a change is made in the size of the pipe except hexagonal or face bushing may be used in reducing the size of openings of fittings when standard fittings of the required size are not available.

M. Install an approved indicating valves on connections to water supplies and in supply pipes to sprinklers unless a non-indicating valve, such as an underground gate valve with an approved roadway box complete with T-wrench, is accepted by the authority having jurisdiction. Such valves shall not close in less than five (5) seconds when operated at a maximum possible speed from the normally open position. This is to avoid damage to piping by water hammer.

1. The following may not incorporate indicating devices as part of the valve, but the valve assembly described shall qualify as an approved indicating valve.

A. An underground gate valve of approved type equipped with an approved indicator post.

B. An approved water control valve assembly, which is normally open and requires, constant energy application to close and keep closed.

C. An approved water control valve assembly, which has a reliable position indication, connected to a remote supervisory station.

2. Check valves shall be of an approved type and may be installed in a vertical or horizontal position.

N. Install an approved indicating valve in the system side of a check valve in the water supply piping.

O. The fire department connection shall be made on the system side of a check valve in the water supply piping.

1. The connection shall be made on the system side of the approved indicating, check alarm valves to the risers, unless the sprinklers are supplied by fire department pumper connection in the yard.

2. On systems with two (2) or more risers, the connection shall be made on the system side of all shut-off valves controlling other water supplies, but on the supply side of the riser, shut-off valves so that with any one (1) riser off, the connection will feed the remaining sprinklers, unless the sprinklers are supplied by fire department pumper connection in the yard.

P. Provide an approved check valve in the line to the fire department connection located as near as practicable to the point where it joins the system.

1. There shall be no shutoff valve in the fire department connection.

2. The piping between the check valve and the outside hose connection shall be equipped with an approved automatic ball drip and a drain line to the floor drain.

Q. A pressure gage shall be installed on the riser or main feed, at or near each test pipe, with a connection not smaller than ¼ in. This gage connection shall be equipped with a shut-off valve and with provisions for draining.

1. Gages shall be installed to permit removal.

2. Gages shall be located where they shall not be subjected to freezing.

R. Water-motor gong shall be located as near as practicable to the alarm valve or other waterflow detecting device.

1. The total length of the pipe to these devices shall not exceed 75 feet.

2. The device shall be so located and installed that all parts are accessible for inspection, removal and repair and should be substantially supported.

A. Do not install the water-motor gong over 20 feet above the alarm device.

3. All piping to these devices shall be galvanized or brass or other approved corrosion resistant material of a size not less than ¾ in.

4. Drains from alarm devices shall be so arranged that there will be no freezing and no overflowing of the alarm apparatus at domestic connections or elsewhere with the sprinkler drains wide open and under system pressure.

S. Test pipes, which may also be used as drain pipes, shall be provided locations that will permit flowing tests to be made to determine whether water supplies and connections are in order.

1. Such test pipes shall be equipped with a shutoff valve. Test pipes shall be installed that the valves may be opened wide for a sufficient time to assure a proper test without causing water damage to the building.

T. Provide all control, drain and test valves with approved identification signs permanently attached to the identified device.

1. Provide approved identification signs for all outside alarm devices. The sign shall be located near the device in conspicuous position.

U. Install sprinkler head wall mounted cabinet with required spares in the Mechanical Room in an accessible area as close as possible to the main riser.

V. Install the automatic fire alarm system, where applicable, including all electrically operated alarm detachments and wiring forming part of an auxiliary, central station, propriety or remote station signaling system in accordance with the latest editions of NFPA no. 71,72, 74 and 1221 and all other applicable NFPA pamphlets.

1. An automatic fire alarm is required to have remote station signaling and requires connection to the Owner’s telephone service, it shall be connected by the installing contractor, to the telephone equipment connection block supplied by others as specified.

2. Waterflow detector shall be UL listed, FM approved Waterflow detecting devices including the associated alarm circuits, shall be tested by an actual waterflow uses of a test connection.

3. Outdoor electric alarm devices shall be in approved conduit, properly protected from the entrance of water.

3.4 PAINTING:

A. Paint sprinkler piping as shown on the Drawings and as specified.

1. Care shall be exercised whenever the sprinkler piping is given any kind of coating to ensure that no automatic sprinkler surfaces are coated.

2. Automatic sprinklers shall not be painted and any sprinklers which have been coated, except for factory applied coatings, shall be replaced with new listed sprinklers.

3. All pipes and hangers to be painted with FIRE RED color.

3.5 CLEANING & PAINTING:

A. Swab-out lines and/or flush out system with fresh water until they are clean and water runs clear at all outlets.

B. All pipes, hangers & supports shall be painted with red oxide primer. Final paint color as per Fire Code of the Philippines or PSME code.

3.6 ACCEPTANCE TEST:

A. Prior to requesting final approval of the automatic sprinkler equipment and system by the local regulating authority having jurisdiction, the installing contractor shall furnish a written statement, with copies to the General contractor and the Owner, to the effect that the Work covered by its contract has been completed and tested in accordance with the approved specifications and plans.

B. All test required shall be performed by the installing contractor.

1. When the local regulating authority representative having jurisdiction desires to be present during the conduct of tests, the installing contractor shall give the authority having jurisdiction advance notification of time test will be performed.

2. When the local regulating authority representative having jurisdiction is not available and permission is granted by that authority, test may be witnessed by the General Contractor and the Owner and a Contractor’s Material and Test Certificate shall be completed and forwarded to the authority having jurisdiction.

C. The following minimum test shall be performed. Any additional tests required by the local regulating authority having jurisdiction shall also be performed.

1. Flushing Test.

2. Hydrostatic Test.

a. Test Pressure: 265 psig minimum for low pressure zone and 525 psig minimum for high pressure zone.

3. Leakage Test.

4. Drainage Test.

5. Automatic fire Alarm System Test.

a. Perform where applicable.

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