SECTION 15325

SPRINKLER SYSTEMS

PART 1 GENERAL

SECTION INCLUDES

Wet-pipe sprinkler system.

Dry-pipe sprinkler system.

Pre-action sprinkler system.

System design, installation, and certification.

Fire department connections.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [_____ - __________]: Placement of sleeves.

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section 15310 - Fire Protection Piping: Piping and valves.

RELATED SECTIONS

Section 02225 - Trenching.

Section 15190 - Mechanical Identification.

Section 15242 - Vibration Isolation.

Section 15375 - Standpipe and Hose System.

REFERENCES

NFPA 13 - Installation of Sprinkler Systems.

SYSTEM DESCRIPTION

System to provide coverage for [entire building.] [building areas noted.] [building areas noted in Schedule.] [_______________.]

Provide system to NFPA 13 [light hazard] [ordinary hazard, Group 1] [ordinary hazard, Group 2] [ordinary hazard, Group 3] [extra hazard] occupancy requirements.

Determine volume and pressure of incoming water supply from water flow test data. If not available assume [______] gpm ([______] L/sec) at [______] psig ([______] kPa. Revise design when test data available prior to submittals.

Interface system with [building control system.] [building fire and smoke alarm system.] [_________________.]

Provide fire department connections [as indicated.] [__________.]

SUBMITTALS

Submit under provisions of Section [01300.] [_______.]

Preliminary Shop Drawings: Prior to detailed submission, submit preliminary layout of finished ceiling areas indicating only head locations coordinated with ceiling installation.

Shop Drawings: Indicate hydraulic calculations, detailed pipe layout, hangers and supports, components and accessories. Indicate system controls.

Product Data: Provide data on sprinkler heads, valves, and specialties, including manufacturers catalogue information. Submit performance ratings rough-in details, weights, support requirements, and piping connections.

Submit [shop drawings] [product data] [hydraulic	calculations] to [authority having jurisdiction] [Fire Marshall] [Owner's insurance underwriter] for approval. Submit proof of approval to Architect/Engineer.

Samples:	Submit [two] [______] of each style of sprinkler head specified.

Manufacturer's Certificate: Certify that system has been tested and meets or exceeds [specified requirements.] [code requirements.] [______________.]

PROJECT RECORD DOCUMENTS

Submit under provisions of Section [01700.] [_______.]

Record actual locations of sprinkler heads and deviations of piping from drawings. Indicate drain and test locations.

OPERATION AND MAINTENANCE DATA

Submit under provisions of Section [01700.] [_______.]

Maintenance Data: Include components of system,	servicing requirements, Record Drawings, inspection data, replacement part numbers and availability, and location and numbers of service depot.

QUALITY ASSURANCE

Perform Work in accordance with NFPA 13.

Equipment and Components: Bear [UL] [FM] [_____] label or marking.

Maintain [one copy] [[_____] copies] of document on site.

QUALIFICATIONS

Installer: Company specializing in performing work of this Section with minimum [three] [_____] years experience.

Design sprinkler system under direct supervision of a Professional Engineer experienced in design of this work and licenced [at the place where the Project is located] in the State of [____________]].

REGULATORY REQUIREMENTS

Hydraulic Calculations, Product Data, Shop Drawings:	Bear stamp of approval of [authority having jurisdiction.] [Fire Marshall.] [Owner's fire insurance underwriter.]

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect, and protect products to site under provisions of Section [01600.] [_______.]

Store products in shipping containers and maintain in place until installation. Provide temporary inlet and outlet caps. Maintain caps in place until installation.

EXTRA MATERIALS

Furnish under provisions of Section [01700.] [______.]

Provide extra sprinkler heads under provisions of NFPA 13.

Provide suitable wrenches for each head type.

Provide metal storage cabinet in location designated.

PART 2 PRODUCTS

[MANUFACTURERS] [INSTALLERS]

[____________________________________________.]

[____________________________________________.]

[____________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

SPRINKLER HEADS

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Suspended Ceiling:

Type: [Standard] [Semi-recessed] [Recessed] [Concealed] pendant type with matching [push on] [clamp on] [screw on] escutcheon plate.

Head Finish:	[Brass] [Chrome plated] [Enamel, color [______] [as selected]].

Escutcheon Plate Finish:	[Brass] [Chrome plated] [Enamel, color [______] [as selected]].

Fusible Link: [Fusible solder link type] [Glass bulb type] temperature rated for specific area hazard.

Model: [__________] manufactured by [______________].

Exposed Area Type:

Type: Standard upright type [with guard].

Head Finish:	[Brass] [Chrome plated] [Enamel, color [______] [as selected]].

Fusible Link: [Fusible solder link type] [Glass bulb type] temperature rated for specific area hazard.

Model: [__________] manufactured by [______________].

Sidewall Type:

Type: [Standard] [Semi-recessed] [Recessed] horizontal sidewall type with matching [push on] [clamp on] [screw on] escutcheon plate [and guard].

Head Finish:	[Brass] [Chrome plated] [Enamel, color [______] [as selected]].

Escutcheon Plate Finish:	[Brass] [Chrome plated] [Enamel, color [______] [as selected]].

Fusible Link: [Fusible solder link type] [Glass bulb type] temperature rated for specific area hazard.

Model: [__________] manufactured by [______________].

Guards: Finish to match sprinkler head.

PIPING SPECIALTIES

Wet Pipe Sprinkler Alarm Valve: Check type valve with divided seat ring, rubber faced clapper to automatically actuate [electrically] [and] [or] [hydraulically] operated alarms, with pressure retard chamber and variable pressure trim.

Dry Pipe Sprinkler Alarm Valve: Check type valve with divided seat ring, rubber faced clapper to automatically actuate [electrically] [and] [or] [hydraulically] operated alarms, with accelerator.

Flooding Deluge Valve: Gate type valve with rubber faced disc actuated [manually] [pneumatically] [electrically] [hydraulically] with [electrically] [and] [or] [hydraulically] operated alarms, with alarm testing trim.

Water Motor Alarm: Hydraulically operated impeller type alarm with aluminum alloy [chrome plated] [red enamelled] [_____________] gong and motor housing, nylon bearings, and inlet strainer.

Electric Alarm: Electrically operated [chrome plated] [red enamelled] [______________] gong with pressure alarm switch.

Water Flow Switch: Vane type switch for mounting horizontal or vertical, with two contacts rated [10] [____] amp at 115 volt AC.

Excess Pressure Pump:

Type: Close coupled motor and pump unit.

Construction: Bronze with stainless steel shafts, carbon bearings.

Performance:	[_____] gpm ([_____] L/sec) at [_____] psi ([_____] kPa) differential pressure.

Motor: Open drip proof, permanently lubricated, [0.33] [0.5] [_____] hp, 115 volt, single phase, 60 hz.

Accessories:	Include [flexible hose connections] [inlet strainer] [relief valve] [steel mounting plate].

Operation: [Manual] [Automatic with pressure switch actuation].

Fire Department Connection:

Type: [Flush mounted wall type with [brass] [chrome plated] finish.] [Free standing type with ductile iron pedestal [brass] [chrome plated] [red enamel] finish.]

Outlets:	[Two] [_____] way with thread size to suit fire department hardware; threaded dust cap and chain of matching material and finish.

Drain: [3/4] [_____] inch ([19] [_____] mm) automatic drip, [outside] [connected to drain].

Label: "Sprinkler - Fire Department Connection".

AIR COMPRESSOR

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

[Single] [Duplex] unit, electric motor driven, ASME rated horizontal receiver tank, air pressure operated electric switch, motor, motor starter [with automatic mechanical alternator,] safety valves, check valves, automatic tank drain, muffler-filter, belt guard, and controls.

Performance:	[_____] scfm ([_____] L/sec) at [_____] psi ([_____] kPa) continuous operating pressure.

Motor:	[0.25] [_____] hp, 115 volt, single phase, 60 hz.

PART 3 EXECUTION

PREPARATION

Coordinate work of this Section with other affected work.

INSTALLATION

Install equipment in accordance with manufacturers instructions.

Install buried shut-off valves in valve box.	Provide post indicator.

Provide [double check valve] [_________________] assembly at sprinkler system water source connection.

Locate fire department connection with sufficient clearance from walls, obstructions, or adjacent siamese connectors to allow full swing of fire department wrench handle.

Locate outside alarm gong on building wall [as indicated.] [__________.]

Place pipe runs to minimize obstruction to other work.

Place piping in concealed spaces above finished ceilings.

Center heads in [two directions in ceiling tile and provide piping offsets as required.] [one direction only in ceiling tile with location in other direction variable, dependent upon spacing and coordination with ceiling elements.] [_______________________________.]

Apply masking tape or paper cover to ensure concealed sprinkler head cover plates do not receive field paint finish.

Install and connect fire pumps in accordance with [Section 15380.] [NFPA 13.] [__________.]

Install air compressor on vibration isolators. Refer to Section 15240.

Pipe receiver tank drain to nearest [floor drain.] [__________.]

Flush entire piping system of foreign matter.

Hydrostatically test entire system.

Require test be witnessed by [Fire Marshall.] [authority having jurisdiction.] [Owner's insurance underwriter.] [Architect/Engineer.] [_____________________.]

SYSTEM SCHEDULE

Location________System Type/Hazard

Offices	Light Hazard

Warehouse	Ordinary Hazard, Group 2

Computer Room	Light Hazard, Pre-action

SPRINKLER HEAD SCHEDULE

Drawing Code________SP-1________SP-2________SP-3

Manufacturer

Model

Location

Temp Rating

Finish

Style

END OF SECTION