211313 Wet-Pipe Sprinkler Systems seismic.pdf

UPGRADE EMERGENCY POWER IN BUILDING 138

VAMC, MARION, IN PROJECT: 610-16-104

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SECTION 21 13 13

WET-PIPE SPRINKLER SYSTEMS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Design, installation and testing shall be in acc ordance with

NFPA 13.

B. The design and installation of a hydraulically c alculated automatic wet-pipe system complete and ready for operation, f or all portions of

Building 194.

1.2 RELATED WORK

A. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, A ND SAMPLES.

B. Section 33 10 00, WATER UTILITIES.

C. Section 07 84 00, FIRESTOPPING.

D. Section 09 91 00, PAINTING.

E. Section 28 31 00, FIRE DETECTION AND ALARM.

1.3 DESIGN CRITERIA

A. Design Basis Information: Provide design, materi als, equipment, installation, inspection, and testing of the automa tic sprinkler system in accordance with the requirements of NFPA 13.

1. Perform hydraulic calculations in accordance wit h NFPA 13 utilizing the Area/Density method. Do not restrict design ar ea reductions permitted for using quick response sprinklers throu ghout by the required use of standard response sprinklers in the areas identified in this section.

2. Sprinkler Protection: Sprinkler hazard classific ations shall be in accordance with NFPA 13. The hazard classification examples of uses and conditions identified in the Annex of NFPA 13 s hall be mandatory for areas not listed below. Request clarification f rom the

Government for any hazard classification not identi fied. To determining spacing and sizing, apply the following coverage classifications:

b. Ordinary Hazard Group 1 Occupancies: Electrical Switchgear Rooms.

c. Ordinary Hazard Group 2 Occupancies: Generator r ooms.

3. Hydraulic Calculations: Calculated demand includ ing hose stream requirements shall fall no less than 10 percent bel ow the available water supply curve.

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4. Water Supply: Base water supply on a flow test o f:

a. Location ___________________________________

b. Elevation Static Test Gauge ____________________ m

(_______________ ft)

c. Elevation Residual Test Gauge __________________ m

(_______________ ft)

d. Static pressure: ______ kPa ( ______ psi)

e. Residual pressure: ______ kPa ( ______ psi)

f. Flow: ______ L/s ( ______ gpm)

g. Date: ______ Time ______

5. Zoning:

a. For each sprinkler zone provide a control valve, flow switch, and a test and drain assembly with pressure gauge. For buildings greater than two stories, provide a check valve at each control valve.

6. Provide seismic protection in accordance with N FPA 13. Contractor shall submit load calculations for sizing of sway b racing for systems that are required to be protected against damage fr om earthquakes.

1.4 SUBMITTALS

A. Submit as one package in accordance with Section 01 33 23, SHOP

DRAWINGS, PRODUCT DATA, AND SAMPLES. Prepare detail ed working drawings that are signed by a NICET Level III or Level IV Sp rinkler Technician or stamped by a Registered Professional Engineer li censed in the field of Fire Protection Engineering. As the Government r eview is for technical adequacy only, the installer remains resp onsible for correcting any conflicts with other trades and buil ding construction that arise during installation. Partial submittals will not be accepted. Material submittals shall be approved pri or to the purchase or delivery to the job site. Suitably bind submitta ls in notebooks or binders and provide an index referencing the approp riate specification section. In addition to the hard copies, provide su bmittal items in

Paragraphs 1.4(A)1 through 1.4(A)5 electronically i n pdf format on a compact disc or as directed by the COR. Submittals shall include, but not be limited to, the following:

1. Qualifications:

a. Provide a copy of the installing contractors fir e sprinkler and state contractor’s license.

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b. Provide a copy of the NICET certification for th e NICET Level III or Level IV Sprinkler Technician who prepared and s igned the detailed working drawings unless the drawings are s tamped by a

Registered Professional Engineer licensed in the fi eld of Fire

Protection Engineering.

c. Provide documentation showing that the installer has been actively and successfully engaged in the installati on of commercial automatic sprinkler systems for the past ten years.

2. Drawings: Submit detailed 1:100 (1/8 inch) scale (minimum) working drawings conforming to the Plans and Calculations c hapter of NFPA

13. Drawings shall include graphical scales that al low the user to determine lengths when the drawings are reduced in size. Include a plan showing the piping to the water supply test lo cation.

3. Manufacturer’s Data Sheets: Provide data sheets for all materials and equipment proposed for use on the system. Inclu de listing information and installation instructions in data s heets. Where data sheets describe items in addition to those proposed to be used for the system, clearly identify the proposed items on the sheet.

4. Calculation Sheets:

a. Submit hydraulic calculation sheets in tabular f orm conforming to the requirements and recommendations of the Plans a nd

Calculations chapter of NFPA 13.

b. Submit calculations of loads for sizing of sway bracing in accordance with NFPA 13.

5. Valve Charts: Provide a valve chart that identif ies the location of each control valve. Coordinate nomenclature and id entification of control valves with COR. Where existing nomenclatu re does not exist, the chart shall include no less than the fol lowing: Tag ID

No., Valve Size, Service (control valve, main drain , aux. drain, inspectors test valve, etc.), and Location.

6. Final Document Submittals: Provide as-built draw ings, testing and maintenance instructions in accordance with the req uirements in

Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. In addition, submittals shall include, but not be limi ted to, the following:

a. A complete set of as-built drawings showing the installed system with the specific interconnections between the syst em switches and the fire alarm equipment. Provide a complete s et in the

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21 13 13 - 4 formats as follows. Submit items 2 and 3 below on a compact disc or as directed by the COR.

1) One full size (or size as directed by the COR) p rinted copy.

2) One complete set in electronic pdf format.

3) One complete set in AutoCAD format or a format a s directed by the COR.

b. Material and Testing Certificate: Upon completio n of the sprinkler system installation or any partial sectio n of the system, including testing and flushing, provide a c opy of a completed Material and Testing Certificate as indic ated in NFPA

13. Certificates shall be provided to document all parts of the installation.

c. Operations and Maintenance Manuals that include step-by-step procedures required for system startup, operation, shutdown, and routine maintenance and testing. The manuals shall include the manufacturer's name, model number, parts list, and tools that should be kept in stock by the owner for routine ma intenance, including the name of a local supplier, simplified wiring and controls diagrams, troubleshooting guide, and recom mended service organization, including address and telephone numbe r, for each item of equipment.

d. One paper copy of the Material and Testing Certi ficates and the

Operations and Maintenance Manuals above shall be p rovided in a binder. In addition, these materials shall be prov ided in pdf format on a compact disc or as directed by the COR.

e. Provide one additional copy of the Operations an d Maintenance

Manual covering the system in a flexible protective cover and mount in an accessible location adjacent to the ris er or as directed by the COR.

1.5 QUALITY ASSURANCE

A. Installer Reliability: The installer shall posse ss a valid State of

Indiana fire sprinkler contractor's license. The in staller shall have been actively and successfully engaged in the insta llation of commercial automatic sprinkler systems for the past three years.

B. Materials and Equipment: All equipment and devic es shall be of a make and type listed by UL or approved by FM, or other n ationally recognized testing laboratory for the specific purpose for whi ch it is used. All materials, devices, and equipment shall be approved by the VA. All

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21 13 13 - 5 materials and equipment shall be free from defect. All materials and equipment shall be new unless specifically indicate d otherwise on the contract drawings.

1.6 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of thi s specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. National Fire Protection Association (NFPA):

13-13...................Installation of Sprinkler S ystems

25-14...................Inspection, Testing, and Ma intenance of Water-

Based Fire Protection Systems

101-15..................Life Safety Code

170-15..................Fire Safety Symbols

C. Underwriters Laboratories, Inc. (UL):

Fire Protection Equipment Directory (2011)

D. Factory Mutual Engineering Corporation (FM):

Approval Guide

PART 2 - PRODUCTS

2.1 PIPING & FITTINGS

A. Piping and fittings for private underground wate r mains shall be in accordance with NFPA 13.

1. Pipe and fittings from inside face of building 3 00 mm (12 in.) above finished floor to a distance of approximately 1500 mm (5 ft.)

outside building: Ductile Iron, flanged fittings an d 316 stainless steel bolting.

B. Piping and fittings for sprinkler systems shall be in accordance with

NFPA 13.

1. Plain-end pipe fittings with locking lugs or she ar bolts are not permitted.

2. Piping sizes 50 mm (2 inches) and smaller shall be black steel

Schedule 40 with threaded end connections.

3. Piping sizes 65 mm (2 ½ inches) and larger shall be black steel

Schedule 10 with grooved connections. Grooves in S chedule 10 piping shall be rolled grooved only.

4. Use nonferrous piping in MRI Scanning Rooms.

5. Plastic piping shall not be permitted except for drain piping.

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6. Flexible sprinkler hose shall be FM Approved and limited to hose with threaded end fittings with a minimum inside di ameter or 1-inch and a maximum length of 6-feet.

2.2 VALVES

A. General:

1. Valves shall be in accordance with NFPA 13.

2. Do not use quarter turn ball valves for 50 mm (2 inch) or larger drain valves.

B. Control Valve: The control valves shall be a lis ted indicating type.

Control valves shall be UL Listed or FM Approved fo r fire protection installations. System control valve shall be rated for normal system pressure but in no case less than 175 PSI.

C. Check Valve: Shall be of the swing type with a f langed cast iron body and flanged inspection plate.

D. Automatic Ball Drips: Cast brass 20 mm (3/4 inch ) in-line automatic ball drip with both ends threaded with iron pipe th reads.

E. Backflow Preventer: Provide double check valve b ackflow preventer.

Provide means to forward flow test the backflow pre venter in accordance with NFPA 13.

2.3 FIRE DEPARTMENT SIAMESE CONNECTION

A. Brass, exterior fire department connection with brass escutcheon plate, and a minimum of two 65 mm (2-1/2 inch) connections threaded to match those on the local fire protection service, with po lished brass caps and chains. Provide escutcheon with integral raised letters "Standpipe and Automatic Sprinkler". Install an automatic ball drip between fire department connection and check valve with drain pi ping routed to the exterior of the building.

2.4 SPRINKLERS

A. All sprinklers shall be FM approved quick respon se except

“institutional” type sprinklers shall be permitted to be UL Listed quick response. Provide FM approved quick response sprinklers in all areas, except that standard response sprinklers sha ll be provided in generator rooms.

B. Temperature Ratings: In accordance with NFPA 13.

C. Provide sprinkler guards in accordance with NFPA 13 and when the elevation of the sprinkler head is less than 7 feet 6 inches above

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21 13 13 - 7 finished floor. The sprinkler guard shall be UL lis ted or FM approved for use with the corresponding sprinkler.

2.5 SPRINKLER CABINET

A. Provide sprinkler cabinet with the required numb er of sprinkler heads of all ratings and types installed, and a sprinkler wrench for each type of sprinkler in accordance with NFPA 13. Locat e adjacent to the riser.

B. Provide a list of sprinklers installed in the pr operty in the cabinet.

The list shall include the following:

1. Manufacturer, model, orifice, deflector type, th ermal sensitivity, and pressure for each type of sprinkler in the cabi net.

2. General description of where each sprinkler is u sed.

3. Quantity of each type present in the cabinet.

4. Issue or revision date of list.

2.6 SPRINKLER SYSTEM SIGNAGE

Rigid plastic, steel or aluminum signs with white lettering on a red background with holes for easy attachment. Sprinkle r system signage shall be attached to the valve or piping with chain .

2.7 SWITCHES:

A. OS&Y Valve Supervisory Switches shall be in a we atherproof die cast/red baked enamel, oil resistant, aluminum housing with tamper resistant screws, 13 mm (1/2 inch) conduit entrance and neces sary facilities for attachment to the valves. Provide two SPDT switches rated at 2.5 amps at 24 VDC.

B. 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.

C. Valve Supervisory Switches for Ball and Butterfl y Valves: May be integral with the valve.

2.8 GAUGES

Provide gauges as required by NFPA 13. Provide gau ges where the normal pressure of the system is at the midrange of the ga uge.

2.9 PIPE HANGERS, SUPPORTS AND RESTRAINT OF SYSTEM PIPING

Pipe hangers, supports, and restraint of system pi ping shall be in accordance with NFPA 13.

2.10 WALL, FLOOR AND CEILING PLATES

Provide chrome plated steel escutcheon plates.

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2.11 ANTIFREEZE SOLUTION

Antifreeze solution shall be in accordance with NF PA 13 and shall be compatible with use in a potable water supply.

2.12 VALVE TAGS

Engraved black filled numbers and letters not less than 15 mm (1/2 inch) high for number designation, and not less tha n 8 mm (1/4 inch) for service designation on 19 gage, 40 mm (1-1/2 in ches) round brass disc, attached with brass "S" hook, brass chain, or nylon twist tie.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Installation shall be accomplished by the licens ed contractor. Provide a qualified technician, experienced in the installa tion and operation of the type of system being installed, to supervise the installation and testing of the system.

B. Installation of Piping: Accurately cut pipe to m easurements established by the installer and work into place without spring ing or forcing. In any situation where bending of the pipe is required , use a standard pipe-bending template. Concealed piping in spaces t hat have finished ceilings. Where ceiling mounted equipment exists, s uch as in operating and radiology rooms, install sprinklers so as not t o obstruct the movement or operation of the equipment. Sidewall he ads may need to be utilized. In stairways, locate piping as near to th e ceiling as possible to prevent tampering by unauthorized perso nnel and to provide a minimum headroom clearance of 2250 mm (seven feet six inches). Piping shall not obstruct the minimum means of egress clea rances required by

NFPA 101. Pipe hangers, supports, and restraint of system piping, and seismic bracing shall be installed accordance with NFPA 13.

C. Welding: Conform to the requirements and recomme ndations of NFPA 13.

D. Drains: Provide drips and drains, including low point drains, in accordance with NFPA 13. Pipe drains to discharge at safe points outside of the building or to sight cones attached to drains of adequate size to readily carry the full flow from e ach drain under maximum pressure. Do not provide a direct drain con nection to sewer system or discharge into sinks. Install drips and d rains where necessary and required by NFPA 13. The drain piping shall not be restricted or reduced and shall be of the same diameter as the drain collector.

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E. Supervisory Switches: Provide supervisory switch es for sprinkler control valves.

F. Waterflow Alarm Switches: Install waterflow alar m switches and valves in stairwells or other easily accessible locations.

G. Inspector's Test Connection: Install and supply in accordance with NFPA

13, locate in a secured area, and discharge to the exterior of the building.

H. Affix cutout disks, which are created by cutting holes in the walls of pipe for flow switches and non-threaded pipe connec tions to the respective waterflow switch or pipe connection near to the pipe from where they were cut.

I. Provide escutcheon plates for exposed piping pas sing through walls, floors or ceilings.

J. Clearances: For systems requiring seismic protec tion, piping that passes through floors or walls shall have penetrati ons sized 50 mm (2 inches) nominally larger than the penetrating pipe for pipe sizes 25 mm

(1 inch) to 90 mm (3 ½ inches) and 100 mm (4 inches ) nominally larger for penetrating pipe sizes 100 mm (4 inches) and la rger.

K. Sleeves: Provide for pipes passing through mason ry or concrete. Provide space between the pipe and the sleeve in accordance with NFPA 13. Seal this space with a UL Listed through penetration fir e stop material in accordance with Section 07 84 00, FIRESTOPPING. Whe re core drilling is used in lieu of sleeves, also seal space. Seal pene trations of walls, floors and ceilings of other types of construction, in accordance with

Section 07 84 00, FIRESTOPPING.

L. Provide pressure gauges at each water flow alarm switch location and at each main drain connection.

M. For each fire department connection, provide the symbolic sign given in

NFPA 170 and locate 2400 to 3000 mm (8 to 10 feet) above each connection location. Size the sign to 450 by 450 mm (18 by 18 inches) with the symbol being at least 350 by 350 mm (14 by 14 inches).

N. Firestopping shall be provided for all penetrati ons of fire resistance rated construction. Firestopping shall comply with Section 07 84 00, FIRESTOPPING.

O. MRI Suite: Provide no more than one penetration of the MRI shield enclosure.

P. Painting of Pipe: In finished areas where walls and ceilings have been painted, paint primed surfaces with two coats of pa int to match

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21 13 13 - 10 adjacent surfaces, except paint valves and operatin g accessories with two coats of gloss red enamel. Exercise care to av oid painting sprinklers. Painting of sprinkler systems above su spended ceilings and in crawl spaces is not required. Painting shall co mply with Section 09

91 00, PAINTING. Any painted sprinkler shall be re placed with a new sprinkler.

Q. Sprinkler System Signage: Provide rigid sprinkl er system signage in accordance with NFPA 13 and NFPA 25. Sprinkler sys tem signage shall include, but not limited to, the following:

1. Identification Signs:

a. Provide signage for each control valve, drain va lve, sprinkler cabinet, and inspector’s test.

b. Provide valve tags for each operable valve. Coor dinate nomenclature and identification of operable valves with COR.

Where existing nomenclature does not exist, the Tag

Identification shall include no less than the follo wing: (FP-B-

F/SZ-#) Fire Protection, Building Number, Floor Num ber/Smoke Zone

(if applicable), and Valve Number. (E.g., FP-500-1 E-001) Fire

Protection, Building 500, First Floor East, Number 001.)

2. Instruction/Information Signs:

a. Provide signage for each control valve to indica te valve function and to indicate what system is being controlled.

b. Provide signage indicating the number and locati on of low point drains.

3. Hydraulic Placards:

a. Provide signage indicating hydraulic design info rmation. The placard shall include location of the design area, discharge densities, required flow and residual pressure at t he base of riser, occupancy classification, hose stream allowa nce, flow test information, and installing contractor. Locate hyd raulic placard information signs at each alarm check valve.

R. Repairs: Repair damage to the building or equipm ent resulting from the installation of the sprinkler system by the install er at no additional expense to the Government.

3.2 INSPECTION AND TEST

A. Preliminary Testing: Flush newly installed syste ms prior to performing hydrostatic tests in order to remove any debris whi ch may have been left as well as ensuring piping is unobstructed. Hy drostatically test

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21 13 13 - 11 system, including the fire department connections, as specified in NFPA

13, in the presence of the Contracting Officers Rep resentative (COR) or his designated representative. Test and flush under ground water line prior to performing these hydrostatic tests.

B. Final Inspection and Testing: Subject system to tests in accordance with NFPA 13, and when all necessary corrections ha ve been accomplished, advise COR to schedule a final inspec tion and test.

Connection to the fire alarm system shall have been in service for at least ten days prior to the final inspection, with adjustments made to prevent false alarms. Furnish all instruments, labo r and materials required for the tests and provide the services of the installation foreman or other competent representative of the in staller to perform the tests. Correct deficiencies and retest system a s necessary, prior to the final acceptance. Include the operation of a ll features of the systems under normal operations in test

3.3 INSTRUCTIONS

Furnish the services of a competent instructor for not less than two hours for instructing personnel in the operation an d maintenance of the system, on the dates requested by the COR.

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