Typical Specifications for Vertical Turbine Fire Pumps                                       

GENERAL: 

the pump manufacturer shall supply the pumps furnished for fire pro­tection service with the specified drivers, controls and pump acces­sory items. The ump, driver and control shall be:

Underwriters Laboratories (UL) Listed

Factory Mutual Research Corporation (FM) Approved

UL Listed and FM Approved

Underwriters Laboratories-Canada (ULC) listed for fire protection service.

The pumping equip­ment shall be installed as recommended in the National Fire Protection Association (NFPA) Pamphlet 20. Standard for the Installa­tion of Centrifugal Fire Pumps. The fire pump shall be designed to deliver U.S. gallons per minute (gpm) at a total differential pressure of psi. The fire pump shall also be capable of delivering not less than 150% of rated flow at not less than 65% rated head. Peerless Pump model shall be furnished with drive, controls and acces­sories as detailed in this specification. (Con­sult Peerless Pump selection tables, B-1510). Pump manufacturer shall have unit responsi­bility for the proper operation of the complete unit assembly as indicated by field accep­tance tests.  

MANUFACTURER’S FACTORY TESTS:                                                                                

Each individual pump shall be run tested prior to shipment. Vertical turbine bowl and dis­charge head assemblies shall be hydrostati­cally tested at a pressure not less than one and one-half tines the no flow (shutoff) head of the pump's maximum diameter impeller but in no case less than 250 psig.  

FIELD ACCEPTANCE TEST:                                                                                                

A field accep­tance performance test shall be conducted upon completion of pump installation. The test shall be made by flowing water through cali­brated nozzles, the authority having jurisdiction may select approved flow meters or other such accurate devices as the test shall be conducted as recommended in NFPA Pamphlet 20 by

The installing contractor

The owner

The owner's representative

(Other)

In the presence of the authority having juris­diction and with that authority's final approval and acceptance. Failure to submit documentation of factory and field tests will be just cause for equipment rejection.  

VERTICAL TURBINE PUMPS:                                                                                              

The fire pump shall be a Peerless model vertical shaft turbine pump. The pump shall be specifically labeled for fire service (under-ground fire main) system. The water supply for the fire pump shall be from

A water well of style, dimension and water productivity as recommended in NFPA 20.

A sump or equivalent intake structure of style, dimension and water capacity as recommended in NFPA Pamphlet 20.

The total installed length of the pump from bot­tom of base plate to bottom of suction inlet manifold shall be feet. The pump discharge head assembly shall be cast iron and fitted with a inch discharge connection machined to American National Standards Institute (ANSI)

125 pound rating dimensions

250 pound rating dimensions

The pump discharge head shall provide rigid mounting support for the complete pump as­sembly and for the:

Vertical hollow shaft motor (electric motor driven pumps)

Right angle gear drive (diesel engine driven pumps)

The pump line shaft bearings shall be

Water lubricated by the liquid being pumped (for static water levels up to 50 feet)

Oil lubricated with bronze bearings con­tained in enclosing tubing (for static water levels 51 feet and greater)

Pump column pipe (and oil tube when appli­cable) shall be in sections not longer than 10 feet each. Pump bowl assemblies shall include cast iron enameled bowls, cast bronze impel­lers and bowl lateral seal rings. Pump bowl assemblies shall be submerged as recom­mended in NFPA Pamphlet 20. Each pump shall be installed with a cast or fabricated nonferrous metal strainer having a free area of not less than four times the suction inlet area, Strainer openings shall be sized to re­strict the passage of objects one-half inch sphere size.  

ELECTRIC MOTORS:                                                                                                            

The pump driver shall be a vertical hollow shaft induction motor

Rated horsepower, 3 phase, 60 Hertz, with Weather Protected Type 1 NEMA enclo­sure for operation on volt service. The motor locked rotor current shall not exceed the values stated in NFPA Pamphlet 20. The motor shall be constructed so that the total hydraulic and static thrust of the pump's rotating assembly can be carried by the motor thrust bearing (s). The motor shall mount directly on the pump discharge head as­sembly with a registered fit for correct shaft alignment. The motor shall be equipped with a top drive coupling and nut for axial adjustment of the pump impellers and shall have a non-reverse ratchet to prevent pump backspin.  

ELECTRIC MOTOR CONTROLLERS:                                                                                    

The automatic electric motor controller shall be UL listed and FM approved specifically for fire pump service. The controller shall be designed for:

Across-the-line 

Part winding

Primary resistance reduced voltage

Wye Delta Open Transition

Wye Delta Closed Transition

Autotransformer type starting.

The controller shall be rated for the horsepower specified in this specification Electric Motors section. The controller shall be capable of interrupting a short circuit cur­rent at least equal to the available short circuit current in the controller supply circuit. This fire pump controller installation requires an inter­rupting capacity rating of not less than amps RMS symmetrical at an oper­ating voltage of volts.

The controller shall be

Floor or wall mounted for electrical connec­tion to the motor by the equipment installer.

Mounted on a common base with the fire pump and wired to the motor by the pump manufacturer.  

FITTINGS:                                                                                                                           

The pump manufacturer shall furnish piping accessory items for the pump installation, which will adapt the pump connections to the fire protection system and test connection as follows. Fire pump fittings, which are subjected to pump discharge pressure, shall be ANSI (125) (250) pound rating.

Hose valve test head

Hose valves with caps and chains 

Ball drip valve

Automatic air release valve 

Discharge pressure gauge 

Water level gauge device

Additional accessories required when pump is engine or steam turbine driven:

Main relief valve,

Direct acting (spring actuated)

Pilot operated (hydraulically actuated)

Relief valve overflow cone, enclosed type

Discharge tee with elbow (for mounting relief valve)  

GEAR DRIVES:                                                                                                                     

Engine driven vertical turbine pumps shall be furnished with a vertical hol­low shaft right angle gear. The drive shall be direct connected to the pump shaft and be equipped with a non-reverse ratchet. The drive shall be connected to the engine by an approved flex shaft with an enclosing guard as recommended in NFPA Pamphlet 20. The drive shall have provision for adjusting the pump impeller lateral setting for proper pump operation and performance. 

DIESEL ENGINES:                                                                                                               

The pump driver shall be a horizontal shaft type internal combustion engine Model manufactured by  , rated at rpm, clockwise rotation viewed from the end opposite the pump. The pump manufacturer with, at a minimum, shall provide the engine the following accessories for automatic operation.

Mantrol UL listed emergency manual operator, factory wired and mounted on the engine junction box for standby engine start­ing and operation in case of main controller or interconnecting wiring malfunction.

Cooling waterlines, pressure regulator, strainer, bypass lines and necessary fittings for engine cooling system. Pre-piped and factory mounted,

Flexible exhaust connector

Residential exhaust silencer

Engine jacket water heater, factory installed.

One set dual batteries, lead acid storage type.

Fuel system as recommended in NFPA Pamphlet 20

Fuel storage tank sized to provide a mini­mum supply of one gallon of fuel per engine maximum rated horsepower plus 50/0 for sump area plus 5% for expansion area. The tank shall be furnished with legs for floor mounting and with a direct reading level gauge.  

ENGINE CONTROLLERS:                                                                                                     

The automatic engine controller shall be UL listed and FM approved specifically for fire pump service. The controller must be capable of performing or contain the following features:

Built in battery charger

Time clock for weekly automatic test

System pressure recorder

Timing relay for automatic stop

Power failure start

Low fuel level switch

Pump room alarm audible and visual signals

The controller shall be wired to the corre­sponding engine function terminals and shall be mounted on a common base with the engine. An engine / controller check test shall be performed by the pump manu­facturer for proper engine and controller operation.

The engine controller shall be floor mounted for electrical connection to the engine by the equipment installer.

Typical Specifications for Vertical In-Line Fire Pumps                                        

GENERAL:

The pump manufacturer shall supply the pumps furnished for fire pro­tection service with the specified drivers, controls and pump acces­sory items. The pump, driver and control shall be

Underwriters Laboratories (UL) Listed

Underwriters Laboratories-Canada (ULC) listed for fire protection service.

The pumping equip­ment shall be installed as recommended in the National Fire Protection Association (NFPA) Pamphlet 20, Standard for the Installa­tion of Centrifugal Fire Pumps. The fire pump shall be designed to deliver U.S. gallons per minute (gpm) at a total differential pressure of        psi. The fire pump shall also be capable of delivering not less than 150% of rated flow at not less than 65% rated head. Peerless Pump model shall be furnished with drive, controls and acces­sories as detailed in this specification. (Con­sult Peerless Pump selection tables, B-1510). Pump manufacturer shall have unit responsi­bility for the proper operation of the complete unit assembly as indicated by field accep­tance tests.  

MANUFACTURER'S FACTORY TESTS:                                                                

Each individual pump shall be hydrostatically tested and run tested prior to shipment. The pump shall be hydrostatically tested at a pressure of not less than one and one-half times the no flow (shut off) head of the pump's maximum diameter impeller plus the maxi­mum allowable suction head but in no case less than 250 psig.  

FIELD ACCEPTANCE TEST:                                                                                    

A field accep­tance performance test shall be conducted upon completion of pump installation. The test shall be made by flowing water through cali­brated nozzles, the authority having jurisdiction may select approved flow meters or other such accurate devices as the test shall be conducted as recommended in NFPA Pamphlet 20 by

The installing contractor

The owner

The owner's representative

(Other)

In the presence of the authority having juris­diction and with that authority's final approval and acceptance. Failure to submit documen­tation of factory and field tests will be just cause for equipment rejection.  

VERTICAL IN-LINE CENTRIFUGAL PUMPS:                                                        

The fire pump shall be a Peerless model PVF vertical in-line fire pump. The suction and discharge flanges shall be of identical dimensions and shall be displaced 180° with centerlines concentric on the same horizontal plane. The pump shall be specifi­cally labeled for fire service and shall be con­nected to the (fire standpipe) (fire sprinkler) (underground fire main) system. The suction supply for the fire pump shall be from a (public service water main) (elevated storage tank) (ground storage tank) (underground reser­voir) at a maximum pressure of pounds per square inch (psi) and a minimum pressure of psi. The pump casing shall be cast iron with inch 125 pound rating suction and inch (125) (250) pound rating discharge flanges ma­chined to American National Standards Insti­tute (ANSI) dimensions.  

SHAFT SEALING SHALL BE ACCOM­PLISHED BY:                                          

(UL, ULC) At least five rings of a suitable no asbestos packing. The stuffing box shall be equipped with a lantern ring with water supplied to the stuffing box by a tap line connected to the discharge side of the pump.

(ULC only) A face type mechanical seal with Ni-resist stationary seat, carbon washer, ethylene propylene flexible mem­bers, brass metal parts and 18-8 stainless steel spring. Seal shall be mounted over a bronze shaft sleeve.  

ELECTRIC MOTORS:                                                                                                          

The pump driver shall be an H.I./NEMA JM/JP frame, ODP induc­tion motor close coupled to the driven pump. The motor shall be rated horse­power, 3 phases, 60 Hertz with open drip-proof NEMA enclosure for operation on volt service. The motor locked rotor current shall not exceed the values stated in NFPA Pamphlet 20.  

ELECTRIC MOTOR CONTROLLERS:                                                                                   

The auto­matic electric motor controller shall be UL listed and FM approved specifically for fire pump ser­vice. The controller shall be designed for

Limited service

Across-the-line.

Part winding

Primary resistance reduced voltage

Wye Delta Open Transition

Wye Delta Closed Transition

Autotransformer type starting.

The controller shall be rated for the horsepower specified in this specification Electric Motors section. The controller shall be capable of interrupting a short circuit cur­rent at least equal to the available short circuit current in the controller supply circuit. This fire pump controller installation requires an inter­rupting capacity rating of not less than amps RMS symmetrical at an oper­ating voltage of volts. The controller shall be floor or wall mounted for electrical connection to the motor by the equipment installer.  

FITTINGS:                                                                                                                           

The pump manufacturer shall furnish piping accessory items for the pump installation, which will adapt the pump connec­tions to the fire protection system and test connection as follows. Fittings subjected to pump discharge pressure shall be ANSI (125) (250) pound rating. Fittings subjected to suc­tion pressure shall be ANSI 125 pound rating.

Eccentric tapered suction reducer

Concentric tapered discharge increaser

Hose valve test head

Hose valves with caps and chains

Pump casing relief valve

Automatic air release valve

Drain valve

Suction and discharge pressure gauges