SECTION 213000
FIRE PUMP SYSTEM AND PRE-FABRICATED ENCLOSURE
PART 1 GENERAL
1.01 RELATED WORK SPECIFIED ELSEWHERE
A. Cast-in-Place Concrete: Section 033001.
B. Wiring General 600 Volts and Under: Section 260519
C. Fasteners Attachments and Supporting Devices: Section 260529
D.
E.
Interior Raceways Fittings and Accessories: Section 260532
Outlet Junction and Pullboxes: Section 260534
F.
G.
Panelboards: Section 262416
Automatic Transfer Switch: Section 263623
1.02 REFERENCES
A. National Fire Protection Association Standard 20 - Centrifugal Fire Pumps.
B. Underwriters Laboratories Inc. 448 - Pumps for Fire-Protection Service.
C. NEMA MG-1 - Motors and Generators.
D. NEMA ICS-6 - Enclosures for Industrial Control and Systems.
1.03 SYSTEM DESCRIPTION
A. Fire Pump System: The fire pump system shall consist of a fire pump, fire pump motor, fire pump controller, jockey pump, jockey pump motor, jockey pump controller, associated valves, gauges, test apparatus and environmental enclosure to supply water to the sprinkler system.
1. The jockey pump maintains a minimum pressure in the sprinkler system.
2. The fire pump starts in the event of a drop in pressure below the minimum pressure maintained by the jockey pump.
B. Emergency Power System: Provide a secondary utility electrical service to power the emergency feeder to the fire pump system in the event of failure of the normal power source.
1. Sequence of Operation For Fire Pump Automatic Transfer Switch: In normal operating condition, the mechanism of the fire pump transfer switch is in the normal position. Sequence of transfer operation occurs as follows:
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a. b. c. d. e.
The voltage on any phase of the normal fire pump feeder drops below 90 percent of normal at the load terminals of the circuit breaker within the fire pump controller, initiating in the fire pump transfer switch a non-adjustable time delay of 3 seconds to override voltage fluctuations and momentary outages.
1) Phase reversal of the normal power source causes a simulated normal source power failure upon sensing phase reversal.
At the end of the 3 second time delay, the fire pump transfer switch transfers load to the emergency feeder.
A voltage-frequency device in the fire pump transfer switch prevents transfer until the emergency feeder voltage is 90 percent of normal and the proper electrical parameters are obtained.
Complete transition from onset of normal feeder failure to emergency feeder transfer shall not exceed 10 seconds.
When voltage on all phases of the normal feeder is restored to
4. f.
90 percent voltage, transfer from emergency to normal feeder is initiated with an adjustable time delay (set at 10 minutes) in the transfer switch.
The transfer switch transfers load to the normal feeder at the end of the time delay. Exception: If the emergency power source should fail and the normal power source has been restored, retransfer to the normal source of power shall be immediate, bypassing the retransfer delay timer.
1.04 SUBMITTALS
A. Waiver of Submittals: The “Waiver of Certain Submittal Requirements” in
Section 013300 does not apply to this Section.
B. Submittal Package: Submit the shop drawings, product data, and quality control submittals specified below at the same time as a package.
C. Shop Drawings:
1.
2.
3.
Outline drawings showing equipment layout and dimensions. structural calculation for enclosure and any equipment support structure
Certified performance curve for each pump, shop tested, indicating
GPM, bhp, and efficiency, from free delivery to shut off head.
Wiring diagrams for electrical power and control wiring.
D.
E.
Product Data:
1.
2.
Catalog sheets, specifications, and installation instructions. a. b.
Indicate UL listing for the system.
Certify that the products comply with NFPA 20.
Bill of materials.
Quality Control Submittals:
1. Quality control design calculations for the following bearing the seal of a professional engineer licensed to practice in the State of New York.
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2.
3.
2.
3. a.
Seismic calculations as required by the Building Code of b.
NYS.
Enclosure design as required by the Building Code of NYS.
Furnish written certification of the manufacturer’s listing with
Underwriters Laboratories as an approved manufacturer of control panels.
Furnish written certification that the manufacturer is listed by ETL/C-
ETL as an approved manufacturer of factory assembled pumping
4 systems for fire protection service
Company Field Advisor Data: Include: a. b.
Name, business address and telephone number of Company
Field Advisor secured for the required services.
Certified statement from the Company listing the qualifications c. of the Company Field Advisor.
Services and each product for which authorization is given by the Company, listed specifically for this project.
F. Contract Closeout Submittals:
1. System acceptance test report.
2. Certificate: Affidavit, signed by the Company Field Advisor and notarized certifying that the system meets the contract requirements and is operating properly.
3. Operation and Maintenance Data: a. Deliver 2 copies, covering the installed products, to the
Director’s Representative. Include:
1) Operation and maintenance data for each product.
2)
3)
4)
Parts lists.
Lubrication charts.
Name, address, and telephone number of nearest fully equipped service organization.
1.05 QUALITY ASSURANCE
A.
Pump Manufacturer Qualifications:
1.
All pipe welders shall be ASME Section IX certified.
2.
3.
All structural steel welders shall be AWSD1.1 certified
Test facility shall be NICET certified and tested to NICET standards
B.
General:
1. All equipment under this section shall be furnished by a single supplier and shall be a product that the manufacturer regularly engages in. The supplier shall have sole responsibility for proper functioning of the system and equipment.
Equipment shall be manufacturer’s standard products presently in commercial production.
The manufacturer shall have in place a quality assurance program to assure the quality of material furnished.
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C. Regulatory Requirements:
1.
2.
The fire pump system shall be listed by Underwriters Laboratories Inc.
Unless otherwise specified herein, conform to the requirements and recommendations of NFPA 20 - Centrifugal Fire Pumps.
D.
E.
Factory Testing:
1. The packaged system shall be electrically and hydrostatically tested pursuant to NFPA requirements before shipping.
2. The manufacturer shall furnish a written certification of meeting NFPA test requirements at the factory to the Director’s Representation prior to the system being accepted for delivery and installation.
Company Field Advisor: Secure the services of a Company Field Advisor for a minimum of 48 working hours for the following:
1. Render advice regarding installation and final adjustment of the system.
2. Witness final system test and then certify with an affidavit that the system is installed in accordance with the contract documents and is
3. operating properly.
Train facility personnel in operation, and routine maintenance of the system.
1.06 GUARANTEE
A.
The Contractor shall guarantee the system against defective materials or workmanship for a period of of eighteen (18) months from date of shipment or twelve (12) months form date of startup, whichever occurs first. If any materials or workmanship prove to be defective within his time frame, they shall be replaced or repaired by the Contractor at the Contractor’s expense.
PART 2 PRODUCTS
2.01 ELECTRICAL REQUIREMENTS - GENERAL
A. Short Circuit Withstand Rating: The fire pump system will be connected to a circuit capable of delivering not more than 18,000 RMS symmetrical amperes at
480 volts.
B. Continuous Current Ratings: Not less than required by the referenced codes and standards.
C. Premises Wiring System: 277/480 volt, 3 phase, 4 wire.
2.02 MOTORS
A. Motor (Nameplate) Voltage:
1. 277/480 V, Three Phase, 4W Premises Wiring Systems: a. Motors 1/2 HP and Larger:
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1) 480 Volt Circuit: NEMA standard motor voltage 460 V, three phase, 60 Hz. 440 V motors are not acceptable
B. Horsepower Capacity: Each motor shall not be overloaded by the apparatus it operates under any condition of operation. Where a minimum horsepower capacity is listed, furnish a motor larger than the minimum, if required in any particular case. Pay any additional cost due to necessary increase in feeder sizes, circuit breaker sizes, etc.
C. Service Factor: The “Service Factor” is a multiplier, which, applied to the normal horsepower rating, indicates a permissible loading within the accepted safe limits of temperature rise for the insulation system. Service factor for each motor shall conform to NEMA standards.
D. Temperature Rise and Insulation System Class: Conform to NEMA standards.
E. Motor Housing: Conform to NEMA requirements for a drip-proof machine unless otherwise specified or indicated.
2.03 FIRE PUMP ASSEMBLY
A. Pump Type:
1.
Model Aurora 4-481-11D, Size HSD 6x4x17 (A), Underwriters
Laboratories Listed horizontal split-case fire pump as manufactured by
2.
3.
4.
Tigerflow or approved equivalent.
Each unit shall include a pump, base, coupling, coupling guard, electric motor, necessary fittings and automatic motor controller.
The pump(s) shall be rated for 750 gpm at 93 psi.
Units shall be designed to deliver not less than 150% of rated capacity and 65% of rated head. Maximum permissible pump speed shall not exceed 1,760 rpm.
B. Fire Pump Construction:
1.
Pump(s) shall be of the double-suction horizontal split-case design, with class 30 cast iron casing, bronze casing wearing rings, bronze impeller, high quality steel shaft with renewable bronze shaft sleeves through the packing boxes and grease lubricated cartridge type anti-friction bearings.
2.
The packing box glands shall be of the bronze split type.
3.
Pump(s) shall be hydrostatically tested to 1-1/2 times the maximum working pressure but in no case less than 250 psi.
4.
Pump accessories shall include 3-1/2” diameter suction and discharge gauges, automatic air release valve, and circulation relief valve.
C. Fire Pump Motor:
1.
Electric motor(s) shall be 60 hp of the odp type with 1.15 service factor
2.
and wound for 3 phase, 60 hertz, 460 volts.
Motor(s) shall be of the WYE-Delta type starting and sized as not to exceed the permissible loading limits of NFPA #20 at any point on the pump performance curve.
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2.04 AUTOMATIC TRANSFER SWITCH AND FIRE PUMP CONTROLLER
A. Automatic Transfer Switch:
1. Listed for Fire Pump Service, dedicated to fire pump.
2.
3.
Listed for 2 utility inputs. a. Listed as service entrance equipment for both inputs.
1) Ground and Neutral lugs for each input.
Isolating switches located in automatic transfer switch compartment, ahead of the circuit breakers and both sets if input terminals of the transfer switch. a. Isolating switch supervised to indicate when it is open.
4.
5. b. Each line terminal of isolating switch equipped with surge protective device. Comply with ANSI Standard C62.1 or
C62.11.
Isolating switches located in automatic transfer switch compartment, ahead of the circuit breakers and both sets if input terminals of the transfer switch.
Accessories as required to perform the functions specified in SYSTEM
6.
7.
DESCRIPTION.
Mounted in barriered compartments of fire pump controller.
Time Delays: a. b.
Non Adjustable: Factory set at 3 seconds to override momentary outages.
Adjustable: Time range of 0-30 minutes for retransfer to normal feeder.
8. Test switch to simulate normal feeder failure (unit start and transfer to emergency feeder).
9. Two identified pilot lights to indicate switch position (power source).
10. Spare auxiliary contact on main shaft (closed on normal).
11. Spare auxiliary contact on main shaft (closed on emergency).
B. Fire Pump Controller:
1. Specifically listed for electric motor driven fire pump service, wye-delta closed transition, reduced voltage, automatic controller with isolating
3. switch, and circuit breaker (disconnecting means).
NEMA 2 enclosure housing controller and automatic transfer switch in barriered compartments, floor mounted utilizing floor mounting feet.
4.
5.
6.
Visible indicator, connected to line side of controller, indicating: a. Power available (operating voltage is available to contactor b. coil).
Phase reversal.
Pump house temperature thermostat mounted on controller exterior.
Auxiliary contacts for connection to the integrated fire protective signaling system. Separate contacts for each of the following: a. Loss of alarm supervisory power. b. Controller has operated into a motor running condition (fire c. pump running).
Loss of line power on line side of fire pump controller, in any phase.
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d. e. f. g.
Phase reversal on line side of fire pump controller.
Automatic transfer switch isolating switch open for each switch.
Automatic transfer switch in alternate position.
Low temperature in pump house.
2.05 JOCKEY PUMP
A. Pump Type: Jockey pump, model 96082050 CR 1-9 60 Hz, as manufactured by
Grundfos or approved equivalent, cast iron, stainless steel fitted, mechanically seal multi stage, centrifugal pump rigid coupled to motor.
B. Motor: Horizontally mounted motor, 1 hp, 3460 rpm, 480 volts, 3 phase, 60 hertz motor. Condition point: 7.5 gpm @ 225’ Total Dynamic Head.
C.
3.
4.
5.
6.
Controller: XT Series Jockey Pump Controller, as manufactured by Eaton
Corporation, or approved equivalent, having:
1. NEMA 2 enclosure.
2. Three position, hand-off (H-O-A) selector switch mounted in controller enclosure.
Overload relay.
Running period timer.
Pressure switch, externally mounted, 0-300 psi, suitable for fresh water.
Secondary control power transformer (maximum control voltage 120 volts).
2.06 FIRE PUMP SYSTEM PIPING ACCESSORIES
A. Valves
1.
2.
3.
(1) “ UL/FM OS&Y suction flanged gate valve with tamper switch.
(1) “ UL/FM discharge wafer butterfly valve with tamper switch.
(1) “ UL/FM discharge wafer style check valve.
Pressure relief valve.
2.07 HOSE VALVE HEADER/TEST CONNECTION
A. Type:
1. Three-way wall mounted type with 6 inch flanged inlet and four (4), 3 inch N.P.T. outlets with 3 inch N.P.T. nipples and rising stem fire pump test valves with 3 inch female N.P.T. inlets and 2-1/2 inch male hose thread outlets with caps and chains; wall escutcheon with “PUMP TEST
CONN.” cast into it; all brass with polished finish.
2.08 FLOW METERING SYSTEM
A. Flow Element and Fittings: Venturi type, steel body with 150 pound weld neck flanges complete with quick disconnect valves, safety shut-off valves, with a metal identification tag chained to each fitting.
1. Include the following stamped data on tag: Pipe size, venturi series, station identification and meter reading at design flow rate. Select each venturi so that the design flow rate has a pressure differential suitable for
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use with the meter furnished. Maximum pressure loss through metering fittings shall not exceed 10 percent of the created differential pressure.
B. Flow Indicator: Wall mounted, GPM direct reading type with mounting brackets, assembly piping, connectors and valves; designed for a working pressure of 250 psi at 250 degrees F, and with meter scale as recommended by the fire pump manufacturer.
2.09 PRE-FABRICATED ENCLOSURE
A.
Provide as part of the packages system, a completely pre-fabricated environmental enclosure meeting the following general requirements:
1.
2.
Size: 10’-8” wide by 26’-0” long by 8’-0” high +/-.
Wind Design Data: a.
Basic Wind Speed: 90 MPH b.
Wind Importance Factor: 1.15 c.
Wind Exposure Category: B d.
Internal Pressure Coefficients: +/- 0.55
Roof Live Load: 20 PSF 3.
4.
5.
6.
Dead Load: Building Self Weight
Snow Load: a.
Ground Snow Load: 70 PSF b.
Exposure Factor: 1.0 c.
Thermal Factor: 1.0 d.
Snow Importance Factor: 1.2
Seismic Design Data: a.
Seismic Site Class: D b.
Seismic Design Category: C c.
Seismic Importance Factor: 1.5 d.
S
DS
= 0.183g e.
S
D1
= 0.110g
B.
Panel Construction:
1.
Insulated panels shall be fabricated with metal pans adhered securely to interior and exterior of panel to compose tough resilient, shock-resisting
2.
surface.
All panels shall exhibit 100% urethane poured-in-place, exclusive of metal pans, perimeter bracing and metal fasteners.
3.
4.
Perimeter bracing shall be #2 grade, SPF specie wood, tongue-andgrooved for proper alignment and positive sealing.
Overall coefficient of heat transfer (“U” factor) shall not exceed 0.029,
R30 for 3-1/2” thick panels and R-42 for 5” thick panels.
5.
6.
7.
Nominal panel dimensions shall be fabricated as required.
Standard panel width shall be R-foot (nominal).
All perimeter bracketing shall be chemically pressure treated.
C.
Finish:
1.
Metal finishes shall provide optimum protection plus superior resistance to chemical corrosion and ultraviolet (UV) radiation.
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D.
E.
F.
G.
2.
Finishes shall maintain complete adhesion to foam insulation. Finishes for both interior and exterior shall be Sand tan (polyester) stucco embossed 24 gauge (standard).
Panel Fasteners:
1.
Provide factory installed cam-lock fasteners. Each cam-lock fastener
2.
shall provide a tight and positive seal.
Fastener material shall be steel housing, hook and pin with high pressure
3.
die-cast zinc cam.
Hardened steel hexagonal wrench is used to tighten panel fasteners. The hook of the fastener shall engage over the pin when rotating the wrench and with cam-action, draw the panels tightly together. Opaque white, gray or tank polyethylene snap-in caps cover the wrench hole borings .
Panel Gaskets:
1.
Each joint shall exhibit a polyvinylchloride (PVC) serrated bulb type, double lined, compression gasket to eliminate water vapor permeability.
2.
3.
All gaskets are factory installed and require no additional handling.
Gaskets shall be resistant to chemical corrosion and ultraviolet radiation.
Gasket operating temperature shall be -34° C to 71° C (-30° F to 160° F).
Insulation:
1.
Insulation shall be thermosetting type polyurethane polymer rigid foam and produced by the reaction of polyisocyanuratess with polyether-based resins.
2.
Insulation shall be 3 1/2 “ or 5” thick form, 2.0 lbs. per cubic foot.
Density (poured-in-place, not frothed) according to ASTM C303.
3.
The thermal conductivity initial “K” factor shall be 0.118 BTU per house (square foot) (degrees Fahrenheit per inch) according to ASTM
C518.
4.
Insulation shall remain stable within operating temperature -68° to 121°
C (-90° to 250°F).
Doors:
1.
2.
Door shall be seamless, constructed of two face sheets of 18 gauge cold rolled steel, stretcher-leveled quality or flatness.
Vertical edges of doors shall have neat hemmed edge. Seam
3.
4.
mechanically interlocked for maximum structural integrity.
All hinge reinforcements shall be of 8 gauge steel projection welded to door.
Standard frames shall be 16-gauge cold rolled steel. Frames shall be
5.
6.
7.
8.
mitered, face welded and ground smooth.
Reinforcements for strike and surface shall be furnished with factory installed rubber mutes, three per strike jamb.
All frames shall be factory installed into the wall panels (door section).
Doors and frames shall be painted as specified.
Door hardware including pinned butt hinges with individual latch set and various accessories, if required, for both interior and exterior doors as follows:
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H.
I.
J.
K.
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8’ x 7’ double leaf metal commercial door b.
Hinges: 1 ½ pair (per door), 4 ½” x 4 ½”, brush chrome finish (U.S.
26D) c.
Passage latch set: Cylindrical, brushed chrome finish (U.S. 26D) d.
Head bolt: 6” long with 24” chain, cadmium finish e.
Foot bolt: 6” long with cadmium finish f.
Weather-stripping: vinyl in an aluminum frame g.
Threshold: aluminum
U L Listed
1.
Classified insulated panels by Underwriter’s Laboratories, standard testing for surface burning characteristics of building materials (UL-
723).
Caulking and Sealants:
1.
Insulated panels shall be set on galvanized “Z” base trim with non-
2.
drying butyl caulking.
All openings and penetrations through insulated panels shall be sealed with silicone sealant, clean and degrease applicable surfaces.
Roofing System:
1.
A prefabricated roof system shall be provided for the enclosure to provide a waterproof and ultraviolet-proof covering for insulated ceiling
2.
3.
panels.
Roof system shall be galvanized standing seam, 22 gauge, 16 inches wide, sheet metal over ceiling panels with a slope of ¼” per foot.
Fasteners shall be corrosion resistant rubber washered TEK screws with length and strength required for metal to be fastened.
Installed Accessories:
1.
(1 set) 8’ x 7’ double doors
2.
125A, 480V, 3-Phase, 3W, 18P, MLO Panelboard. Refer to Section
3.
4.
5.
262416.
(1) 7.5kVA Mini sealed transformer with 20A primary breaker and
120/240V secondary load center with 40A MCB
(1) 70A, 3P, 480V, Automatic transfer switch. Refer to Section 263623.
(1) 277 volt electric unit heater. Heaters shall be controlled by a thermostat to maintain a minimum 60 degrees F within the enclosure at peak winter design per ASHRAE Climatic Design Guidelines for
6.
7.
8.
9.
Oriskany, NY.
(1) Exhaust fan with damper and thermostat 120/1/60
(2) Powered louvers with bird screens & rain hoods installed
(1) Exterior mounted light with photo cell
(3) 4’ 120V Enclosed industrial light fixtures with 2-32W T8 lamps
(1) 70W 120V Metal halide exterior mini wallpack light fixture with integral photocell
10.
(2) GFCI convenience outlets 120/1/60
11.
Toggle Switch, Single pole, 20 Amp, commercial grade, 120/277V,
Ivory
12.
(1) Dual head, Battery powered, 120/277V emergency lighting unit
13.
(1) External red alarm beacon
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14.
(1) External alarm horn
15.
(*) Wall penetration sleeves as required
16.
Pump house wet sprinkler system per NFPA 13-2007, Extra Hazard,
Group 2 occupancy. Sprinkler shall be standard coverage, standard response with a temperature rating of 360 degrees F.
17.
(1) 4” Diameter floor drain to be piped through floor slab and to exterior drainage system as shown on plans.
18.
(*) Cooling loop piping to drain
19.
(*) Gland pockets piped to drain
20.
(*) Grounding pads as required
21.
(*) Anchor clips welded to skid base as required
L.
Factory Fabrication:
1.
Ten-inch (10") open rectangular perimeter open floor design skid base structural I-beam bases not permitted, complete with all necessary sensing lines, pipe supports, wiring for complete package system.
2.
3.
All welding to be done by ASME Code Section 9 certified welders.
System shall have seismic calculations with NY State P.E. stamp for zone and requirements.
PART 3 EXECUTION
3.01 INSTALLATION
A. Unless otherwise shown as specified, install the Work of this Section in accordance with NFPA 20, and the manufacturer’s printed instructions.
3.02 FIELD QUALITY CONTROL
A. Preliminary System Test:
1. Preparation: Have the Company Field Advisor adjust the completed system and then operate it long enough to assure that it is performing
2. properly.
Run a preliminary test for the purpose of: a. Determining whether the system is in a suitable condition to conduct an acceptance test. b. c. d.
Checking and adjusting equipment.
Training facility personnel.
Provide testing for Automatic Transfer Switch functions for both utility sources.
B. System Acceptance Test:
1. Preparation: Notify the Director’s Representative at least 3 working days prior to the test so arrangements can be made to have a Facility
Representative witness the test.
2. Make the following tests: a. b.
Perform tests required by NFPA 20.
Test each system function step by step as summarized in
SYSTEM DESCRIPTION.
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3.
4. c. Provide testing for Automatic Transfer Switch functions for both utility sources.
Supply all equipment necessary for system adjustment and testing.
Submit written report of test results signed by Company Field Advisor and the Director’s Representative. Mount a copy of the final report in a plexiglass enclosed frame assembly adjacent to the fire pump controller.
END OF SECTION
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