SECTION 15320

FIRE PUMPS

PART 1	GENERAL

SECTION INCLUDES

Fire pump package.

Fire pump [motor] [engine].

Electric jockey pump.

Controllers.

RELATED SECTIONS

Section 15170 - Motors.

Section 15242 - Vibration Isolation.

Section 15260 - Piping Insulation.

Section 15280 - Equipment Insulation.

Section 15310 - Fire Protection Piping.

Section 15410 - Plumbing Piping.

Section 16180 - Equipment Wiring Systems.

REFERENCES

Factory Mutual System (FM) - Approval Guide.

NEMA MG-1 - Motors and Generators.

NEMA 250 - Enclosures for Electrical Equipment (1000 Volt

Maximum).

NFPA 20 - Installation of Centrifugal Fire Pumps.

NFPA 24 - Private Fire Service Mains and their Appurtenances.

NFPA 37 - Installation and use of Stationary Combustion

Engines and Gas Turbines.

UL - Fire Protection Equipment Directory.

UL 448 - Pumps for Fire Protection Service.

UL 778 - Motor Operated Water Pumps.

UL 1247 - Diesel Engines for Driving Centrifugal Fire Pumps.

UL 1478 - Fire Pump Relief Valves.

SYSTEM DESCRIPTION

[Electric motor] [Diesel engine] driven [vertical in-	line] [horizontal] [vertical turbine] fire pump with [jockey pump.] [electric controllers.] [diesel engine controller.]

SUBMITTALS

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

Shop Drawings: Indicate layout, general assembly, components, dimensions, weights, clearances, and methods of assembly.

Product Data: Provide manufacturers literature including general assembly, pump curves showing performance characteristics with pump and system, operating point indicated, NPSH curve, controls, wiring diagrams, and service connections.

Manufacturer's Installation Instruction:	Indicate support details, connection requirements, and include start-up instructions for fire pump [system].

Manufacturer's Certificate: Certify that fire pumps meet or exceed specified requirements at specified operating conditions. [Submit summary and results of shop tests performed in accordance with NFPA 20.]

Field Reports: Indicate summary of hydrostatic test and field acceptance tests performed [in accordance with NFPA 20].

OPERATION AND MAINTENANCE DATA

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

Operation Data: Include manufacturers instructions, start-up data, trouble-shooting check lists, for pumps, drivers, and controllers.

Maintenance Data: Include manufacturers literature, cleaning procedures, replacement parts lists, and repair data for pumps, drivers and controllers.

QUALITY ASSURANCE

Perform work in accordance with NFPA 20.

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

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

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the products specified in this Section with minimum [three] [_____] years [documented] experience.

Installer: Company specializing in performing the work of this Section with minimum [_______] years [documented] experience.

REGULATORY REQUIREMENTS

Conform to NFPA 20 for installation and testing of fire pumps, drivers, and controllers.

Provide certificate of compliance from authority have jurisdiction indicating approval of field acceptance tests.

DELIVERY, STORAGE, AND HANDLING

Delivery, store, protect and handle products to site under provisions of Section [01600.] [______.]

Accept fire pumps and components on site in factory packing. Inspect for damage. Comply with manufacturers rigging and installation instructions.

Protect fire pumps and components from physical damage including effects of weather, water, and construction debris.

Provide temporary inlet and outlet caps, and maintain in place until installation.

MAINTENANCE SERVICE

Furnish service and maintenance of fire pump, driver, and controller for [one] [___] year from date of Substantial Completion.

EXTRA MATERIALS

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

Provide [one] [___] set of [gaskets] [screens] [seals] [_____] for each pump type and model supplied.

PART 2	PRODUCTS

MANUFACTURERS

[_____________________________] Product [____________].

[_____________________________] Product [____________].

[_____________________________] Product [____________].

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

VERTICAL IN-LINE PUMPS

Type: UL 448 [and UL 778], vertical, single stage, close coupled, radially [or horizontally] split casing, for in

line mounting, for 250 psig (1 720 kPa).

Casting:	Cast or ductile iron, with suction and discharge gage port, casing wear ring, seal flush connection, drain plug, flanged suction and discharge.

Impeller: Bronze, fully enclosed, keyed directly to motor shaft.

Shaft:	Solid alloy steel with bronze sleeve.

Seal: Packing gland with minimum four rings graphite impregnated packing and bronze lantern rings, 230 degrees F (110 degrees C) maximum continuous operating temperature.

***** [OR] *****

Seal: Carbon rotating against a stationary ceramic seat [viton fitted,] [225 degrees F (107 degrees C)] [275 degrees F (135 degrees C)] maximum continuous operating temperature.

Performance:

Flow: [_____] gal/min ([_____] L/sec), at [_____] feet ([_____] kPa) head.

Motor: [____] hp ([____] kW), [____] volt, [single] [three] phase, 60 Hz.

Model: [_________] manufactured by [_______________.]

HORIZONTAL BASE MOUNTED PUMPS

Type: UL 448 [and UL 778], horizontal shaft, single stage, double suction, direct connected, horizontally split casing, for 250 psig (1 720 kPa) maximum working pressure.

Casing: Cast iron, with suction and discharge gage ports, renewable bronze casing wearing rings, seal flush connection, drain plug, flanged suction and discharge.

Impeller: Bronze double suction fully enclosed, balanced and keyed to shaft.

Bearings: Grease lubricated ball bearings, replaceable without opening casing.

Shaft:	Alloy steel with replaceable bronze shaft sleeve.

Seal: Packing gland with minimum four rings graphite impregnated packing and bronze lantern rings, 230 degrees F (110 degrees C) maximum continuous operating temperature.

Drive:	Flexible coupling with coupling guard.

Baseplate: Cast iron [or fabricated steel] with integral drain rim.

Performance:

Flow: [_____] gal/min ([_____] L/sec), at [_____] feet ([_____] kPa) head.

Motor: [____] hp ([____] kW), [____] volt, [single] [three] phase, 60 Hz.

Model: [_____] manufactured by [_______________.]

VERTICAL TURBINE PUMPS

Type: UL 448 [and UL 778] vertical, centrifugal, turbine.

Casing: Cast iron, rated for 250 psig 1720 kPa or 1.20 times actual discharge working pressure discharge gage, air vent, wear rings, seal flush connection, drain plug, and flanged discharge.

Impellers: Bronze, fully enclosed, keyed to shaft or secured with lock nut.

Shaft: Stainless steel or carbon steel with bronze or stainless steel sleeve through seal chamber.

Seals: Packing gland with minimum four rings graphite impregnated packing and bronze lantern rings.

Performance:

Flow: [_____] gal/min ([_____] L/sec), at [_____] feet ([_____] kPa) head.

Motor: [____] hp ([____] kW), [____] volt, [single] [three] phase, 60 Hz.

Model: [_____] manufactured by [_______________.]

FIRE PUMP ACCESSORIES

Eccentric suction reducer and OS&Y gate or butterfly valve on suction side of pump.

Concentric increaser and check valve in pump discharge and OS&Y gate or butterfly valve on system side of check valve.

Fire pump bypass fitted with OS&Y gate or butterfly valves and check valve.

Main relief valve, UL 1478, [and [enclosed] [open] type waste cone.]

Suction pressure gage, 4 1/2 inch (110 mm) diameter dial with snubber, valve cock and lever handle.

Discharge pressure gage mounted on board attached to pump, with snubber, valve cock and lever handle.

Casing 3/4 inch (20 mm) relief valve.

Float operated [3/4 inch (20 mm)] [one inch (25 mm)] automatic air release valve.

Hose valve manifold with 2 1/2 inch (65 mm) hose gate valves with caps and chains.

Flow metering system for closed loop testing.

ELECTRIC MOTOR DRIVE

Motor: Squirrel cage induction type; in open drip proof NEMA MG-1 enclosure, [3500] [1750] rpm. Refer to Section 15170.

Controller: Limited service type with [auto-transformer] [primary resistor] [reduced voltage,] [part winding] [across-the-line] starter, in ANSI/NEMA 250 enclosure, including the following:

Disconnect Switch: Externally operable, quick break type.

Circuit Breaker:	Trips in each phase calibrated at least to 300% of the motor full-load current, [10,000] [_____] amperes interrupting capacity.

Motor Starter: Energized automatically through pressure switch or manually by externally operable handle.

Pressure Switch:	Set to cut in at [_____] psig ([_____] kPa).

Running Period Timer: Keeps motor in operation when started automatically, for a minimum of seven minutes.

Pilot Lamp: Indicates circuit breaker closed and power available.

Ammeter test link and voltmeter test studs.

Alarm Relay:	Energizes alarm to indicate circuit breaker open or power failure.

Remote start switch relay.

Manual Selector Station:	On enclosure marked "Automatic" and "Non-Automati-c."

Power:	[____] volt, [single] [three] phase, 60 Hz.

DIESEL ENGINE DRIVE

Diesel Engine: Conform to NFPA 1247, arranged for automatic operation and include overspeed/overcrank switch and drive, two contactor switches, low oil pressure and high water temperature warning switches, and fuel shut-off solenoid, with wiring terminating in junction box.

Include following engine accessories:

Stub shaft

Oil bath air cleaner

Water cooled exhaust manifold

Heat exchanger

Mechanical speed governor

Fuel filter

Lube oil filter and by-pass valve

Lube oil cooler and relief valve

Fuel pump

Instrument panel with tachometer, hour meter, oil pressure gauge, water temperature gauge, ammeter, hand speed control and start switch.

Starting system including generator/alternator, starting motor and voltage regulator.

Exhaust silencer, residential type.

Flexible exhaust tubing, [24] [____] inches ([600] [____] mm) long.

Cooling water system: Closed system with cooling water supply to heat exchanger from fire pump discharge. Include four (4) manual shut-off valves (including by- pass line), two strainers, pressure regulating valve, automatic solenoid valve and pressure gauge.

Storage batteries: Dual lead acid batteries with cables and battery racks.

Fuel system:	[250 gallon (1000 litre)] [_____] above ground storage tank, fill pipe and cap, manual shut-off valve, flame arrestor, oil level gauge, braided bronze flexible connectors, seamless type L copper tubing with flared joints.

Automatic diesel engine controller: Enclosed in floor mounted [14] [____] gage ([1.8] [____] mm) steel housing, UL listed and labelled.

Controller: Function to automatically start fire pump from water pressure control switch or test switch.

Stop push button: To manually stop engine.

Automatic conditions: Controller shall alternate batteries automatically on each 15 second cranking cycle. Alarm if engine not started after six attempts.

Battery charger:	Dual, built-in, to recharge both batteries within 24 hour period, with automatic overload protection (current limiting), individual voltmeters and ammeters for each battery.

Individual pilot lights and common alarm bell for:

Low Engine Oil Pressure

High Engine Jacket Water Temperature

Failure to Start Automatically

Charger Failure

Battery 1 Failure

Battery 2 Failure

Overspeed Shutdown

Power:	[____] volt, single phase, 60 Hz.

Remote Alarm and Signal Panel: Provide wall mounted panel in NEMA 250 Type 1 enclosure with:

Engine running light.

Common engine failure light for:

Low Engine Oil Pressure

High Engine Jacket Water Temperature

Failure to Start Automatically

Charger Failure

Battery 1 Failure

Battery 2 Failure

Overspeed Shutdown

Power on light.

Switch off light indicating position of main control switch (off or manual).

Power:	[____] volt, single phase, 60 Hz.

PRESSURE BOOSTER (JOCKEY) PUMP

Electrically operated, horizontal [turbine] [close- coupled] type with standard open drip-proof horizontal motor.

Performance:

Flow: [_____] gal/min ([_____] L/sec), at [_____] feet ([_____] kPa) head.

Motor: [____] hp ([____] kW), [____] volt, [single] [three] phase, 60 Hz.

Control by automatic jockey pump controller with full voltage starter [and minimum run timer] to start pump on pressure drop in system [and stay in operation for minimum period of time]. Fire pump shall start automatically on further pressure drop or on jockey pump failure.

Model: [_____] manufactured by [_______________.]

PART 3	EXECUTION

INSTALLATION

Install in accordance with manufacturer's instructions.

Install diesel engine drive to NFPA 37.

Provide access space around pumps for service. Provide no less than minimum as recommended by manufacturer.

Decrease from line size with long radius reducing elbows or reducers. Support piping adjacent to pump such that no weight is carried on pump casings. For base mounted pumps, provide supports under elbows on pump suction and discharge. Refer to Section 15310.

Provide drains for bases and seals, piped to and discharging into floor drains.

Mount unit on vibration isolators. Refer to Section 15242.

Provide piping for fuel supply and return connected to motor. Provide piping to and from exhaust silencer with thimble at wall or roof penetrations. Refer to Section 15410.

Insulate piping associated with pump, pump casing and exhaust silencer. Refer to Section 15260 and Section 15280.

Provide for connection to electrical service. Refer to Section 16180.

Lubricate pumps before start-up.

Check, align, and certify base mounted pumps by qualified millwright prior to start-up.

FIELD QUALITY CONTROL

Perform field [inspection and] testing under provisions of Section [01400] [_____].

Perform hydrostatic flow test on entire system in accordance with NFPA 20.

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

SCHEDULE

Drawing Code	P-1 ____P-2 ____P-3_____P-4

Manufacturer:

Model No.:

Location:

Service:

Capacity:

Head:

Minimum Efficiency:

Seal Type:

Motor Size:

Motor volt/phase/cycle:

END OF SECTION