15300 Fire Protection1 GENERAL
1.1 WORK INCLUDED
A. Provide all calculations, design documentation, submittals to the local Authority Having Jurisdiction (AHJ), and all labor and materials required for a complete and operating automatic
sprinkler system.
B. Coordinate with civil drawings and specifications for work beyond 5 feet of the building.
C. Coordinate with fire alarm system supplier for required interconnections and alarm/monitoring requirements.
1.2 SYSTEM DESCRIPTION
A. The design/build system to provide coverage for the entire building, including mezzanine space, ceiling spaces, overhangs and covered areas, and as required by the local AHJ.
B. Provide a complete system to comply with NFPA 13 occupancy requirements. Final occupancy hazard designation to be in accordance with the local AHJ’s requirements.
C. Revisions to the Contractor's design required by the local AHJ shall be made at the Contractor's expense.
1.3 QUALITY ASSURANCE
A. Design and installation to conform to NFPA 13 and AHJ requirements.
B. Equipment and Components: Bear UL and/or FM label as per AHJ.
C. Design/Build Firm: Established fire protection company, regularly engaged and specializing in design and installation of complete fire sprinkler systems.
D. Provide any required pumps with manufacturer's name, model number, and rating/capacity.
E. Provide testing of all equipment, components and controllers, in accordance with NFPA and local AHJ requirements.
F. Governing Agency: All work to be in accordance with, and accepted by, the following hereafter referred to Authority Having Jurisdiction (AHJ):
1. All reviewing authorities including State Fire Marshal, local Fire Marshal, owner’s representative, and any other reviewing agency whose approval is required to obtain occupancy.
G. Design Requirements:
1. Comply with the latest issue of NFPA Pamphlet 13, NFPA 25, IFC, IBC Standard 9-3 and all state and/or local amendments and codes.
2. Design, lay out and install a hydraulically calculated wet piping system
utilizing code approved devices designed particularly for use in this type of system. Provide a dry system, including compressor, for all areas subject to freezing.
3. Fire Sprinkler coverage as required by NFPA 13 and AHJ, and include fire protection of all areas.
Freeze Protection: Provide electric heating elements in all riser rooms, piping areas, etc where freezing could occur. Contractor to provide for the heaters and wiring. Coordinate
installation with electrical contractor.
Flow and tamper switches: Provide and install. Provide wiring from switch to fire alarm systems in contract. Coordinate with electrical contractor.
H. Field Wiring: Comply with requirements of Section 15010.
I. Work of Other Trades: Comply with requirements of Section 15010.
1.4 REGULATORY REQUIREMENTS
A. Submit hydraulic calculations, product data, shop drawings, and low water pressure cut-in controller, layout drawings, and any other miscellaneous component required for a complete
and operational system. Do not begin construction until documents are returned that bear stamp a of approval of the local AHJ.
1.5 SUBMITTALS
A. Certified Drawings:
1. Prepare fire protection system working drawings showing locations and types of head or outlets, alarm valves and devices, pipe sizes and cutting lengths, test tees and valves, drain
valves, and other related items.
2. Provide three (3) sets of drawings showing sprinkler head locations and layout coordinated with architectural ceiling details to the Owner.
3. Provide six (6) sets of drawings to designated representatives of the AHJ for approval.
5. Provide six (6) sets of approved Drawings to the Owner for final review. Submitted drawings to have proof of approval by AHJ (See 1.4 above).
B. Submittals:
1. Sprinkler Heads: Product Data and sample of each type of head.
2. Alarm flow switches.
3. Fire department connection.
4. Double check valve assembly.
5. Miscellaneous Equipment.
6. Indicate hydraulic calculations, detailed pipe layout, hangers and supports,
components and accessories.
7. For any required pump, indicate pump type, capacity, power requirements, and affected adjacent construction.
8. Submit certified pump curves showing pump performance characteristics with pump and system operating point plotted. Include NPSH curve when applicable.
C. Test Reports: Submit certificates of completion of tests and inspections.
1.6 PROJECT RECORD DOCUMENTS
A. Submit documents under provisions of Section 15010.
1.7 OPERATION AND MAINTENANCE DATA
A. Submit manufacturer's operation and maintenance data under provisions of Section 15010.
B. Include written maintenance data on components of system, servicing requirements and Record Drawings.
C. For any required pump, include pump operation, maintenance, and inspection data, replacement part numbers and availability, and location and numbers of service depot.
1.8 DELIVERY, STORAGE, AND HANDLING
A. Deliver and store all equipment and components in shipping containers with labelling in place under provisions of Section 15010.
B. Provide temporary inlet and outlet caps.
C. Maintain caps in place until installation.
1.9 EXTRA STOCK
A. Provide extra sprinkler heads under provisions of NFPA 13.
B. Provide suitable wrenches for each head type.
C. Provide metal storage cabinet with extra heads and wrenches in location approved by the Owner. Also, provide a list of heads stored within and brief description of where installed.
D. Where applicable, provide one set of gaskets and screens for each pump type and model supplied for Owner's use.
2 PRODUCTS
2.1 PIPING MATERIALS
A. Underground Water Piping: Ductile cast iron water pipe; ANSI A-21.51; with mechanical joints, ANSI A-21.10 and ANSI A21.11; and with concrete thrust blocks.
B. Aboveground Water Piping: Use standard weight black steel pipe and cast iron screwed or mechanical joint fittings especially adapted for sprinkler work and suitable for 175 pounds
working pressure. Use reducing fittings where changes in pipe size occur. Bushings are prohibited. All sprinkler specialty material Grinnell, Star, Viking, Automatic Sprinkler Corp.
of America acceptable substitute, with UL and FM approval for the specific use in system.
C. At Contractor's option, where approved by the governing agency, thin-wall steel pipe ASTM A53-76, and mechanical joint fittings specifically approved for sprinkler work, suitable
for minimum 175 pounds working pressure may be substituted for the black steel pipe specified above.
2.2 MATERIALS AND EQUIPMENT:
A. Miscellaneous Sprinkler Specialties: Provide a complete system, including all items required by the AHJ, including but not limited to:
1. Electric pressure alarm flow switch and alarm bell.
2. Double check assembly.
3. OS&Y valve monitoring switches.
4. Fire department hose connections: Wall or free-standing, as required by AHJ, brass finish.
5. Wiring from the alarm switches to the point of connection in the Fire Alarm Control Panel. Coordinate with the fire alarm system supplier for all interconnects and alarm/monitoring
wiring.
6. Provide communication equipment with local fire department when required by the local AHJ.
7. Dry pipe air compressor sized and arranged in accordance with the requirements of NFPA 13. Include an automatic air pressure maintenance device.
B. Water Service Connection Backflow Preventer:
1. Connect to primary water service with code approved double check valve assembly made up of two brass, internally spring loaded check valves, OS&Y shut-off valves and test cocks.
2. Utility Vault (where required): Precast concrete underground sized to enclose the backflow prevention device and the fire department connection check valve, with clearance to allow
maintenance. Provide a drain sump in the vault bottom, suitable for insertion of a sump pump. Provide sump pump or gravity drain and drain piping to approved discharge locations required
by local code officials. Provide all costs for electrical connections and wiring as required for a complete and operable system. All penetrations to be watertight. Provide extensions
as required for proper depth, access manway access with cover and ladder. Coordinate with Civil Drawings.
C. Sprinkler Heads: Approved heads with temperature ratings required for service indicated.
1. Unfinished Areas: Glass bulb, upright, pendent or sidewall spray type, plain bronze.
2. Finished Areas: Glass bulb, chrome plated semi-recessed and sidewall heads in finished ceilings and where piping is exposed use chrome plated upright heads.
3. Dry Pipe Systems: Glass bulb, especially designed and approved for dry pipe systems except where piping is routed through heated areas, standard heads may be utilized as approved
by the Governing Agency.
D. Escutcheons: Provide polished chrome escutcheons (verify) on pipe extending through finished walls and ceilings.
E. Valve Monitoring Switches: Provide approved monitoring switches where shown on the Drawings or required by AHJ. Provide through the wall post indicator valves where acceptable
to AHJ.
F. Valves: Iron body OS&Y pattern, bronze mounted double disc, parallel seat.
G. Guards: Standard manufacture. Grinnell, Marlboro or AHJ approved equal.
H. Fire Department Connection: Flush wall mounted cast brass construction with clappers on each inlet and threads match the fire district equipment. Number of inlets and sizes as indicated
on the Drawings and approved by the fire district. Standard, Allenco, Seco, Potter-Roemer or accepted substitute.
2.3 PRE-ACTION SYSTEM:
A. Design and build a complete and operable pre-action sprinkler system for Les Schwab Tire Center, 3200 SE 192nd Avenue, Vancouver, WA 98683.
B. Pre-Action Valves: Provide a deluge type valve for each system with wet trim, actuated by electrical solenoid valve. Deluge valve to be differential type, manually reset, with all
required trim and appurtenances. Rated working pressure of at least 175 PSIG. Viking, Reliable Model A or B or accepted substitute.
HOSE STATION
Vertical breakaway, Potter Roemer 1000 series or AHJ approved equal.
Hose: 1-1/2-inch diameter UL, FM polyflex lined, 100- foot length.
Nozzle: Plastic adjustable fog to straight stream with shutoff.
Provide distribution piping for future hose stations as required. Sprinkler system design to indicate connection to sprinkler piping.
3 EXECUTION
3.1 PREPARATION
A. Coordinate work of this Section with other affected work.
3.2 EXAMINATION
A. Examine rough-in for fire hose valves and cabinets to verify actual locations of piping connections prior to installing cabinets.
B. Examine walls for suitable conditions where cabinets, risers, drain valves, etc. are to be installed.
C. Do not proceed until unsatisfactory conditions have been corrected.
3.3 INSTALLATION
A. Install buried shut-off valves in valve box. Provide post indicator.
B. Provide double check valve assembly at sprinkler system water source connection.
C. Connection:
1. Locate fire department connection with sufficient clearance from walls, obstructions, or adjacent siamese connectors to allow full swing of fire department wrench handle.
2. Install automatic drip valves at the check valve on the fire department connection to the mains.
3. Install mechanical sleeve seal at pipe penetration in outside walls.
D. Locate outside alarm on building wall where approved by the Owner and local AHJ.
E. Place pipe runs to minimize obstruction to other work.
F. Place piping in concealed spaces unless otherwise noted.
G. Apply strippable tape or paper cover to ensure concealed sprinkler head cover plates do not receive field paint finish.
H. Hangers and Supports: Comply with the requirements of NFPA 13 and NFPA 14. Hanger and support spacing and locations for piping joined with grooved mechanical couplings shall be
in accordance with the grooved mechanical coupling manufacturer's written instruction for rigid systems. Provide protection from damage where subject to earthquake in accordance with
NFPA 13.
I. Make connections between underground and aboveground piping using an approved transition piece strapped or fastened to prevent separation.
J. Install mechanical sleeve seal at pipe penetrations in basement and foundation walls. Refer to 15050-2.3 Section "Basic Piping Materials and Methods".
K. Install test connections sized and located in accordance with NFPA 13 complete with shutoff valve. Test connections may also serve as drain pipes.
L. Install pressure gauge on the riser or feed main at or near each test connection. Provide gauge with a connection not less than 1/4 inch and having a soft metal seated
globe valve arranged for draining pipe between gauge and valve. Install gauges to permit removal and where they will not be subject to freezing.
M. Locate sprinkler heads in repeating, modular pattern, centered and accurately coordinated with ceiling grid as indicated. Conceal all piping unless indicated otherwise. Coordinate
design with lighting and exposed HVAC duct layout in areas without ceilings.
N. Locate and install the required fire sprinkler alarm, flow, and test and drain valves where required by the Governing Agency and approved by the Architect.
3.4 FIELD QUALITY CONTROL
A. Flush, test and inspect sprinkler piping systems in accordance with NFPA 13.
B. Replace piping system components which do not pass the test procedures specified, and retest repaired portion of the system.
C. Perform other tests as directed by Governing Agency.
3.5 CLEANING
A. Flush entire piping system of foreign matter.
3.6 PRE-ACTION SYSTEMS
A. Provide manual air vents at all high points in piping and drains in all low points in piping to provide for complete drainage of piping downstream of pre-action valve.
B. Test the entire system in accordance with a written Test Procedure to demonstrate and certify proper system operation. Prepare the procedure and submit to the Owner for approval 2
weeks prior to the performance of the test.
3.7 SYSTEM TESTS
A. Test entire system per code and per requirements of local AHJ. Provide, arrange and pay for all testing required in order to obtain temporary and final acceptance. Witness tests by
local AHJ and Owner. Notify local AHJ and Owner one week prior to test.
3.8 PAINT
A. Paint all exposed piping and hangers in accordance with Section 15050. Do not paint heads.
3.9 CERTIFICATE OF COMPLETION
A. Obtain and deliver to Owner a certificate, in duplicate, stating that system as installed has been inspected and accepted by authorities and/or agencies having jurisdiction, and that
all regulations affecting work have been satisfied. Submit and acceptable certificate to the Owner before final payment is requested.
B. Certificate: Minimum NFPA Form 85 information.
END OF SECTION