Attachment_1_-_Specifications.pdf

Statement of Work

Project AWUB 13-0018 Repair Fire Pumps and Engines

Pump House, Bldg 5856

1. In general, the scope of work for this project shall include project design, the furnishing of all materials, labor, supplies, and equipment necessary for the removal and installation of four diesel fire pump systems in pump house building 5856. The existing pump house system can be reconfigured so the contractor can take all four pumps down at same time and replace, no staging necessary. The contractor shall complete all work in accordance with this statement of work, code requirements and Government Provided Drawings.

2. Code Compliance:

a. Where applicable, all work performed under this contract shall meet all federal, state and local codes and standards including but not limited to UFC 3-600-01, UFC 3-600-02, AFI 32-1066, NFPA’s, AFOSH, AFMAN 91-201, UFC 3-410-01FA for Mechanical, UFC 3- 420-01 for Plumbing, International Building Code, MIL-HDBK-1190, Facility Planning and Design Guide, Occupational Safety and Health Act of 1970, Air Force Technical Letters (ETLs), National Electric Code, ASHRAE Standards, SMACNA Standards, International Plumbing Code, etc. Where any ambiguity exists between standards, the most stringent shall apply.

3. System Installation Requirements:

a. Contractor shall demo and replace four existing fire pump systems for building 5856.

New systems shall be code compliant and designed to meet system outputs. This includes but not limited to diesel engines, pumps, pads (where required), controls, batteries, battery stand, electrical work, controllers, pressure gauges, relief valves, altitude valve, alarms, exhaust piping, exhaust silencer, fuel tanks/piping and various valves.

b. New diesel/pump systems will be JU/JW model Clarke or an approved equal.

c. Engine/pump base shall be grouted in, to help mitigate standing water and

d. Pump controller will be a Meltron, Model # FD4-J 12V NEG or approved equal.

e. The contractor shall be responsible for performing all acceptance tests required.

f. Replace Post Indicator Valves going to water tank.

g. Install ventilation/exhaust fan system thermostat activated – none existing.

h. Demolish all existing mechanical and electrical devices not used (i.e. straps, hangers, clamps, electrical boxes/panels, etc.)

i. Install an Automatic Sprinkler System for building 5856 to include but not limited to piping, heads, backflow preventer (Febco preferred), flow switch, etc. Tie into the existing alarm system.

j. Demo existing water tank water level alarm and mechanism. Install new solid stem type low level alarm system for water tank. Tie into existing alarm panel inside building.

k. Replace all existing small pressure gauges (i.e. on jockey pump lines).

l. Replace all fuel supply and return piping to engines with black steel. Install pipe unions for disconnection at fuel tanks.

m. New design should include showing existing bullhead being demolished from the north end of the facility and installed in the south end of the facility.

n. Install tamper switches, conduit, and wiring on OS&Y valves. Tie into existing alarm panel.

o. All piping shall be properly supported.

4. Fire Pump Tests and Service:

a. The pump shall be thoroughly shop tested by the respective manufacturers as required by the NFPA 20 (and other applicable codes) and the local authority having jurisdiction.

b. The pump manufacturer shall assume unit responsibility and shall provide the services of a factory trained representative to supervise and/or be available to conduct final field acceptance tests. A written report shall be provided to the engineer upon completion of the field performance test. The field test shall be conducted in accordance with NFPA 20 (and other applicable codes).

c. The pump manufacturer shall provide the services of a factory trained representative to conduct one field training for base personnel on the operation and maintenance of the pump system.

d. All piping shall be tested for two hours at 225 psi in the presence of the Government's representative and the inspector for the Base Fire Chief, and shall be proved tight.

Unsatisfactory workmanship shall be corrected to the satisfaction of the above mentioned persons. Defective materials shall be replaced with new materials and the defective materials removed from the premises.

e. After testing and inspection of the entire system, and prior to project occupancy, a completed "Contractor's Material and Test Certificate" per NFPA-13 shall be submitted by the contractor for review and approval by the Base Fire Chief.

5. Electrical:

a. All electrical work shall adhere to NEC and NFPA70.

b. Install a ground wire with all circuits through out and bond all panels, junction boxes and fixtures.

c. CONDUCTORS: All conductors will be copper. Secondary will be THHN insulation.

d. The proper LB, LL, or LR shall be installed such that the cover is facing out to allow for maximum working space (minimum of 30" clearance) for pulling cable.

e. Do Not put two circuits under one breaker. Single phase circuits shall NOT share a neutral.

f. Secondary: Use deep Four square boxes only.

g. All conduit will be EMT with Compression type connecters only

h. Re-type panel directory as necessary,

i. Remove all electrical conduit and wire no longer in use seal building penetrations as necessary and touch up paint as necessary.

6. Unified Facilities Criteria UFC 3-600-01 and UFC 3-600-02: The Unified Facilities Criteria

(UFC) system provides planning, design, construction, operations and maintenance criteria, which apply to all service commands having military construction responsibilities. UFC shall be used for all projects and work for other customers where appropriate. Project shall be approved by an FPE per the UFC and contractor should not start work until the drawings have been approved/accepted by the Government. All fire suppression work has to be approved by AFCEC, so additional review time should be built into the schedule to allow for the approval/review process.

7. As-Built drawings shall be provided prior to final acceptance of project. Specifications for the as-built drawings are included.

8. Submittals:

a. Diesel Engine

b. Fire Pump

c. Controller

d. Pump accessories

e. Valves

f. Alarms

g. Fire sprinkler system

h. Piping

i. Ventilation equipment

9. Scheduling:

The contractor is responsible for scheduling the project with the occupant. The occupant shall have a minimum of 30 day notice for construction.

10. Contract Closeout: The following items are required at contract closeout. Final payment on contract shall not be made without the submittal of all of the required closeout documents.

a) Operations, Maintenance Manuals, Manufacturer specifications, Catalogs – Required on all contractor furnished equipment. Manuals shall include information and model numbers for ordering replacement parts.

b) Equipment Warranties – Warranties shall be submitted for all contractor provided equipment.

c) Complete As-Built Drawings.

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SECTION 21 30 00: FIRE PUMPS

PART 1 GENERAL

1.1 WORK INCLUDED

A. Fire pumps.

1.2 REFERENCES

A. AWWA 10084 - Standard Methods for the Examination of Water and Wastewater B. AWWA B300 - Hypochlorites

C. AWWA B301 - Liquid Chlorine

D. AWWA C111/A21.11 - Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings E. AWWA C606 - Grooved and Shouldered Joints

F. ASME B16.18 - Cast Copper Alloy Solder Joint Pressure Fittings G. ASME B16.22 - Standard for Wrought Copper and Copper Alloy Solder Joint Pressure Fittings

H. ASME B16.26 - Standard for Cast Copper Alloy Fittings for Flared Copper Tubes

I. ASME B16.3 - Malleable Iron Threaded Fittings, Classes 150 and 300

J. ASME B16.39 - Standard for Malleable Iron Threaded Pipe Unions; Classes 150, 250, and 300

K. ASME B16.5 - Standard for Pipe Flanges and Flanged Fittings: NPS 1/2 Through NPS 24

L. ASME B31.1 - Power Piping

M. ASTM A183 - Standard Specification for Carbon Steel Track Bolts and Nuts

N. ASTM A194/A194M - Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High-Pressure or

High-Temperature Service, or Both

O. ASTM A449 - Specification for Hex Cap Screws, Bolts, and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use

P. ASTM A47/A47M - Standard Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip Process

Q. ASTM A53/A53M - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and

Seamless R. ASTM A536 - Standard Specification for Ductile Iron Castings

S. ASTM B135 - Standard Specification for Seamless Brass Tube

T. ASTM B42 - Standard Specification for Seamless Copper Pipe, Standard Sizes

U. ASTM B62 - Standard Specification for Composition Bronze or Ounce Metal Castings

V. ASTM B75 - Standard Specification for Seamless Copper Tube

W. ASTM B88 - Standard Specification for Seamless Copper Water Tube

X. ASTM D2000 - Standard Classification System for Rubber Products in Automotive Applications

MS0514

Y. ASTM D 3308 - PTFE Resin Skived Tape

Z. ASTM F 436 - Hardened Steel Washers

AA. FM P7825a - Approval Guide Fire Protection

BB. FM P7825b - Approval Guide Electrical Equipment

CC.MSS SP-58 - Standard for Pipe Hangers and Supports - Materials, Design and Manufacture DD.

MSS SP-69 - Standard for Pipe Hangers and Supports - Selection and Application

EE. NEMA MG 1 - Standard for Motors and Generators FF.

NFPA 1963 - Standard for Fire Hose Connections

GG. NFPA 20 - Installation of Stationary Pumps for Fire Protection

HH.NFPA 70 - National Electrical Code - 2008 Edition

II. NFPA 72 - National Fire Alarm Code

JJ. NICET 1014-7 - Program Detail Manual for Certification in the Field of Fire Protection Engineering Technology (Field Code 003) Subfield of Automatic Sprinkler System Layout

KK. UFC 3-600-01 Fire Protection for Engineering Facilities

LL. UL 1247 - Diesel Engines for Driving Centrifugal Fire Pumps MM.

UL 448 - Pumps for Fire-Protection Service

NN.UL Fire Prot Dir - Fire Protection Equipment Directory

1.3 SYSTEM DESCRIPTION

A. Except as modified in this Section or on the drawings, install fire pumps in conformance with NFPA 20, NFPA

70, NFPA 72 and UFC 3-600-01, including all recommendations and advisory portions, which shall be considered mandatory; this includes advisory provisions listed in the appendices of such standards, as though the word "shall" had been substituted for the word "should" wherever it appears. In the event of a conflict between specific provisions of this specification and applicable NFPA standards, this specification governs.

Devices and equipment for fire protection service shall be UL Fire Prot Dir listed or FM P7825a approved.

Interpret all reference to the authority having jurisdiction to mean the Contracting Officer.

B. Tank supports, piping offsets, fittings, and any other accessories required shall be furnished as specified to provide a complete installation and to eliminate interference with other construction.

C. Show detail plan view of the pump room including elevations and sections showing the fire pumps, associated equipment, and piping. Show piping schematic of pumps, devices, valves, pipe, and fittings. Show point to point electrical wiring diagrams. Show piping layout and sensing piping arrangement. Include:

(1) Pumps, drivers, and controllers

(2) Hose valve manifold test header

(3) Circuit diagrams for pumps

(4) Wiring diagrams of each controller

D. Post operating instructions for pumps, drivers, controllers, and flow meters.

E. Fully enclose or properly guard coupling, rotating parts, gears, projecting equipment, etc. so as to prevent possible injury to persons that come in close proximity of the equipment. Conduct testing of the fire pumps in a safe manner and ensure that all equipment is safely secured. Hoses and nozzles used to conduct flow

21 30 00 - 2 tests shall be in excellent condition and shall be safely anchored and secured to prevent any misdirection of the hose streams. System to provide coverage for entire building.

1.4 QUALITY ASSURANCE

A. Fire Protection Specialist: Work specified in this section shall be performed under the supervision of and certified by the Fire Protection Specialist. The Fire Protection Specialist shall be an individual who is a registered professional engineer and a Full Member of the Society of Fire Protection Engineers or who is certified as a Level IV Technician by National Institute for Certification in Engineering Technologies (NICET) in the Automatic Sprinkler System Layout subfield of Fire Protection Engineering Technology in accordance with NICET 1014-7. The Fire Protection Specialist shall be regularly engaged in the design and installation of the type and complexity of system specified in the Contract documents, and shall have served in a similar capacity for at least three systems that have performed in the manner intended for a period of not less than 6 months. Submit data for approval showing the name and certification of all involved individuals with such qualifications at or prior to submittal of drawings.

B. Qualifications of Welders: Submit certificates of each welder's qualifications prior to site welding; certifications shall not be more than one year old.

C. Qualifications of Installer: Prior to installation, submit data for approval showing that the Contractor has successfully installed fire pumps and associated equipment of the same type and design as specified herein, or that he has a firm contractual agreement with a subcontractor having such required experience. The data shall include the names and locations of at least two installations where the Contractor, or the subcontractor referred to above, has installed such systems. Indicate the type and design of each system and certify that each system has performed satisfactorily in the manner intended for a period of not less than 18 months.

D. Preliminary Test Certification: When preliminary tests have been completed and corrections made, submit a signed and dated certificate with a request for a formal inspection and tests.

E. Manufacturer's Representative: Work specified in this section shall be performed under the supervision of and certified by a representative of the fire pump manufacturer. The Manufacturer's Representative shall be regularly engaged in the installation of the type and complexity of fire pump(s) specified in the Contract documents, and shall have served in a similar capacity for at least three systems that have performed in the manner intended for a period of not less than 6 months.

1.5 SUBMITTALS

A. Submittals shall be made under provisions of Section 01 33 00.

B. Shop Drawings

1. Installation Requirements: Three copies of the Fire Pump Installation Drawings consisting of a detailed plan view, detailed elevations and sections of the pump room, equipment and piping, drawn to a scale of not less than 1/2 inch = 1 foot. Drawings shall indicate equipment, piping, and associated pump equipment to scale. All clearance, such as those between piping and equipment; between equipment and walls, ceiling and floors; and for electrical working distance clearance around all electrical equipment shall be indicated. Drawings shall include a legend identifying all symbols, nomenclatures, and abbreviations. Drawings shall indicate a complete piping and equipment layout including elevations and/or section views of the following:

a. Fire pumps, controllers, piping, valves, and associated equipment.

b. Sensing line for each pump including the pressure maintenance pump.

c. A one-line schematic diagram indicating layout and sizes of all piping, devices, valves and fittings.

d. A complete point-to-point connection drawing of the pump power, control and alarm systems, as well as interior wiring schematics of each controller.

2. As-Built Drawings: As-built drawings, as specified. The as-built drawings shall be a record of the construction as installed. The drawings shall include the information shown on the contract drawings as well as deviations, modifications, and changes from the contract drawings, however minor. The as-built drawings shall be a full sized set of prints marked to reflect deviations, modifications, and changes. The as-built drawings shall be complete and show the location, size, dimensions, part identification, and other information. Additional sheets may be added. The as-built drawings shall be jointly inspected for accuracy and completeness by the Contractor's quality control representative and by the Contracting Officer prior to the submission of each monthly pay estimate. Upon completion of the work, provide three full sized sets of the marked prints, and three compact discs in jewel cases with as built drawings in

21 30 00 - 3

AutoCad 2010 format and in PDF format to the Contracting Officer for approval. All of the electrical drawings shall be included in one PDF file. If upon review, the as-built drawings are found to contain errors and/or omissions, they will be returned to the Contractor for correction. Correct and return the as-built drawings to the Contracting Officer for approval within 10 calendar days from the time the drawings are returned to the Contractor. In addition, the contractor shall provide to the Contracting Officer a compact disc in a jewel case the following submittal data in PDF format: Fire pumps, fire pump controllers and jockey pumps.

3. Piping Layout and Sensing piping Arrangement

4. Pump Room

5. Prepare working drawings on sheets not smaller than 24 by 36 inches; include data for the proper installation of each system.

C. Product Data

1. Fire Pump Installation Related Submittals: A list of the Fire Pump Installation Related Submittals, no later than 7 days after the approval of the Fire Protection Specialist and the Manufacturer's Representative.

2. Installation Requirements: Manufacturer's catalog data included with the Fire Pump Installation Drawings for each separate piece of equipment proposed for use in the system. Catalog data shall indicate the name of the manufacturer of each item of equipment, with data annotated to indicate model to be provided. In addition, a complete equipment list that includes equipment description, model number and quantity shall be provided. Catalog data for material and equipment shall include, but not be limited to, the following:

a. Fire pumps, drivers and controllers including manufacturer's certified shop test characteristic curve for each pump. Shop test curve may be submitted after approval of catalog data but shall be submitted prior to the final tests.

b. Pressure maintenance pump and controller.

c. Piping components.

d. Valves, including gate, check, globe and relief valves.

e. Gauges.

f. Hose valve manifold test header and hose valves.

g. Restrictive orifice union.

h. Associated devices and equipment.

3. Spare Parts: Spare parts data for each different item of material and equipment specified.

4. Preliminary Tests: Proposed procedures for Preliminary Tests, at least 14 days prior to the proposed start of the tests. Proposed date and time to begin Preliminary Tests, submitted with the Preliminary Tests Procedures.

5. Field Tests: Proposed diagrams, at least 2 weeks prior to start of related testing.

6. Fire Protection Specialist: The name and documentation of certification of the proposed Fire Protection

Specialists, no later than 14 days after the Notice to Proceed and prior to the submittal of the fire pump installation drawings.

7. Manufacturer's Representative: The name and documentation of certification of the proposed Manufacturer's Representative, concurrent with submittal of the Fire Protection Specialist Qualifications.

8. Field Training: Proposed schedule for field training submitted at least 14 days prior to the start of related training.

D. Test Reports

1. Preliminary Tests: Three copies of the completed Preliminary Tests Reports, no later than 7 days after the completion of the Preliminary Tests. The Preliminary Tests Report shall include both the Contractor's Material and Test Certificate for Underground Piping and the Contractor's Material and Test Certificate for Aboveground Piping. All items in the Preliminary Tests Report shall be signed by the Fire Protection Specialist and the Manufacturer's Representative.

E. Certificates

1. Fire Protection Specialist: Concurrent with the Final Acceptance Test Report, certification by the Fire Protection Specialist that the fire pump installation is in accordance with the contract requirements, including signed approval of the Preliminary and Final Acceptance Test Reports.

2. Qualifications of Welders

3. Qualifications of Installer

4. Preliminary Test Certification: Request for formal inspection and tests, as specified.

G. The submittals, training, and zoning for the sprinkler system shall be prepared and provided by in-house 21 30 00 - 4 personnel employed by the Fire Sprinkler Contractor.

H. The submittals shall be approved by the Hurlburt Fire Department prior to the purchase of materials or any installation of work is begun.

1.7 OPERATION AND MAINTENANCE DATA

A. Operation and Maintenance Data

1. Fire Pumps: Two manuals listing step-by-step procedures required for system startup, operation, shutdown, and routine maintenance, at least 14 days prior to field training. The manuals shall include the manufacturer's name, model number, parts list, list of parts and tools that should be kept in stock by the owner for routine maintenance including the name of a local supplier, simplified wiring and controls diagrams, troubleshooting guide, and recommended service organization (including address and telephone number) for each item of equipment. Data shall be submitted for fire pumps and drivers in accordance with Section 01 70 00 CONTRACT CLOSEOUT. Each service organization submitted shall be capable of providing 4 hours onsite response to a service call on an emergency basis.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Protect all equipment delivered and placed in storage from the weather, excessive humidity and temperature variations, dirt and dust, or other contaminants. Additionally, all pipes shall be either capped or plugged until installed.

1.9 SEQUENCING

A. Submit documents showing details on sequencing of pumps. Documents should Spare Parts data for each different item of equipment and material specified. The data shall include a complete list of parts and supplies, with current unit prices and source of supply, and a list of parts recommended by the manufacturer to be replaced after 1 year and 3 years of service.

1.10 EXTRA MATERIALS

A. Submit Spare Parts data for each different item of equipment and material specified. The data shall include a complete list of parts and supplies, with current unit prices and source of supply, and a list of parts recommended by the manufacturer to be replaced after 1 year and 3 years of service. Include a list of special tools and test equipment required for maintenance and testing of the products supplied by the Contractor.

PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

A. Materials and equipment shall be standard products of a manufacturer regularly engaged in the manufacture of such products and shall essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening.

B. All equipment shall have a nameplate that identifies the manufacturer's name, address, type or style, model or serial number, contract number and accepted date; capacity or size; system in which installed and system which it controls and catalog number. Pumps and motors shall have standard nameplates securely affixed in a conspicuous place and easy to read. Fire pump shall have nameplates and markings in accordance with UL 448. Diesel driver shall have nameplate and markings in accordance with UL 1247. Electric motor nameplates shall provide the minimum information required by NFPA 70, Section 430-7.

2.2 FIRE PUMP

A. Fire pump shall be diesel motor driven. Each pump capacity shall be rated at appropriately designe gpm to meet system needs and with a rated net pressure of 100 psi. Fire pump shall furnish not less than 150 percent of rated flow capacity at not less than 65 percent of rated net pressure. Pump shall be centrifugal horizontal split case fire pump. Horizontal pump shall be equipped with automatic air release devices.

Pump shall conform to the requirements of UL 448. Fire pump discharge and suction gauges shall be oil-filled type.

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2.3 REQUIREMENTS FOR FIRE PROTECTION SERVICE

A. General Requirements: Materials and Equipment shall have been tested by Underwriters Laboratories, Inc.

and listed in UL Fire Prot Dir or approved by Factory Mutual and listed in FM P7825a and FM P7825b.

Where the terms "listed" or "approved" appear in this specification, such shall mean listed in UL Fire Prot Dir or FM P7825a and FM P7825b.

B. Alarms: Provide audible and visual alarms as required by NFPA 20 on the controller. Provide remote supervision as required by NFPA 20, in accordance with NFPA 72 under Section 16851. Provide remote alarm devices located where shown. Alarm signal shall be activated upon the following conditions: electric motor controller has operated into a pump running condition, loss of electrical power to electric motor starter, and phase reversal on line side of motor starter. Exterior alarm devices shall be weatherproof type. Provide alarm silencing switch and red signal lamp, with signal lamp arranged to come on when switch is placed in OFF position.

2.4 ABOVEGROUND PIPING COMPONENTS

A. Pipe Sizes 2.5 inches and Larger

1. Pipe: Piping shall be ASTM A53/A53M, Weight Class STD (Standard), Schedule 40, Type E or Type S, Grade A; black steel pipe. Steel pipe shall be joined by means of flanges welded to the pipe or mechanical grooved joints only. Piping shall not be jointed by welding or weld fittings. Suction piping shall be galvanized on the inside in accordance with NFPA 20.

2. Grooved Mechanical Joints and Fittings: Joints and fittings shall be designed for not less than 175 psi service and shall be the product of the same manufacturer. Fitting and coupling houses shall be malleable iron conforming to ASTM A47/A47M, Grade 32510; ductile iron conforming to ASTM A536, Grade 65-45-12. Gasket shall be the flush type that fills the entire cavity between the fitting and the pipe.

Nuts and bolts shall be heat-treated steel conforming to ASTM A183 and shall be cadmium plated or zinc electroplated.

3. Flanges: Flanges shall be ASME B16.5, Class 150 flanges. Flanges shall be provided at valves, connections to equipment, and where indicated.

4. Gaskets: Gaskets shall be AWWA C111/A21.11, cloth inserted red rubber gaskets.

5. Bolts: Bolts shall be ASTM A449, Type 1. Bolts shall extend no less than three full threads beyond the nut with bolts tightened to the required torque.

6. Nuts: Nuts shall be ASTM A194/A194M, Grade 7.

7. Washers: Washers shall meet the requirements of ASTM F436. Flat circular washers shall be provided under all bolt heads and nuts.

B. Piping Sizes 2 inches and Smaller

1. Steel Pipe: Steel piping shall be ASTM A53/A 3M, Weight Class XS (Extra Strong), zinc-coated steel pipe with threaded end connections. Fittings shall be ASME B16.3, Class 150, zinc-coated threaded fittings. Unions shall be ASME B16.39, Class 150, zinc-coated unions.

2. Copper Tubing: Copper tubing shall be ASTM B88, Type L or K, soft annealed. Fittings shall be ASME B16.26, flared joint fittings. Pipe nipples shall be ASTM B42 copper pipe with threaded end connections.

C. Pipe Hangers and Supports: Pipe hangers and support shall be MSS SP-58 and MSS SP-69 and shall be the adjustable type. Finish of rods, nuts, washers, hangers, and supports shall be zinc-plated after fabrication.

D. Valves: Valves shall be UL listed UL Fire Prot Dir or FM approved FM P7825a and FM P7825b for fire protection service. Valves shall have flange or threaded end connections.

1. Gate Valves and Control Valves: Gate valves and control valves shall be outside screw and yoke

(O.S.&Y.) type which open by counterclockwise rotation. Butterfly-type control valves are not permitted.

2. Tamper Switch: The suction control valves, the discharge control valves, valves to test header and flow meter, and the by-pass control valves shall be equipped with valve tamper switches for monitoring by the fire alarm system.

3. Check Valve: Check valve shall be clear open, swing type check valve with flange or threaded inspection plate.

4. Relief Valve: Relief valve shall be spring operated type conforming to NFPA 20. A means of detecting water motion in the relief lines shall be provided where the discharge is not visible within the pump house.

5. Circulating Relief Valve: An adjustable circulating relief valve shall be provided for each fire pump in accordance with NFPA 20.

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E. Hose Valve Manifold Test Header: Construct header of steel pipe. Provide ASME B16.5, Class 150 flanged inlet connection to hose valve manifold assembly. Provide approved bronze hose gate valve with 2.5 inch National Standard male hose threads with cap and chain; locate 3 feet above grade in the horizontal position for each test header outlet. Welding shall be metallic arc process in accordance with ASME B31.1.

F. Pipe Sleeves: A pipe sleeve shall be provided at each location where piping passes entirely through walls, ceilings, roofs, and floors, including pipe entering buildings from the exterior. Secure sleeves in position and location during construction. Provide sleeves of sufficient length to pass through entire thickness of walls, ceilings, and floors. Provide one inch minimum clearance between exterior of piping or pipe insulation, and interior of sleeve or core-drilled hole. Firmly pack space with mineral wool insulation. Seal space at both ends of the sleeve or core-drilled hole with plastic waterproof cement which will dry to a firm but pliable mass, or provide a mechanically adjustable segmented elastomeric seal.

1. Sleeves in Masonry and Concrete Walls, Ceilings, Roofs, and Floors: Provide hot-dip galvanized steel, ductile-iron, or cast-iron pipe sleeves. Core drilling of masonry and concrete may be provided in lieu of pipe sleeves provided that cavities in the core-drilled hole be completely grouted smooth.

2. Sleeves in Other Than Masonry and Concrete Walls, Ceilings, Roofs, and Floors: Provide galvanized steel sheet pipe not less than 0.90 psf.

G. Escutcheon Plates: Provide one-piece or split-hinge metal plates for piping entering floors, walls, and ceilings in exposed areas. Provide polished stainless steel or chromium-plated finish on copper alloy plates in finished spaces. Provide paint finish on plates in unfinished spaces. Plates shall be secured in place.

2.5 DISINFECTING MATERIALS

A. Liquid Chlorine: Liquid chlorine shall conform to AWWA B301.

B. Hypochlorites: Calcium hypochlorite and sodium hypochlorite shall conform to AWWA B300.

2.6 FIRE PUMP CONTROLLER

A. Controller shall be the automatic type and UL listed UL Fire Prot Dir or FM approved FM P7825a and FM

P7825b for fire pump service. Pump shall be arranged for automatic start and stop, and manual push-button stop. Automatic stopping shall be accomplished only after all starting causes have returned to normal and after a minimum pump run time has elapsed. Controllers shall be completely terminally wired, ready for field connections, and mounted in a NEMA Type 2 drip-proof enclosure arranged so that controller current carrying parts will not be less than 12 inches above the floor. Controller shall be provided with voltage surge arresters installed in accordance with NFPA 20. Controller shall be equipped with a bourdon tube pressure switch or a solid state pressure switch with independent high and low adjustments, automatic starting relay actuated from normally closed contacts, visual alarm lamps and supervisory power light. Controller shall be equipped with a thermostat switch with adjustable setting to monitor the pump room temperature and to provide an alarm when temperatures falls below 40 degrees F Controller shall be equipped with a sequential start timer/relay feature to start multiple fire pumps in sequence. The controller shall be factory-equipped with a heater operated by thermostat to prevent moisture in the cabinet.

2.8 PRESSURE SENSING LINE

A. A completely separate pressure sensing line shall be provided for each fire pump and for the jockey pump.

The sensing line shall be arranged in accordance with Figure A-7-5.2.1. of NFPA 20. The sensing line shall be 1/2 inch H58 brass tubing complying with ASTM B135. The sensing line shall be equipped with two restrictive orifice unions each. Restricted orifice unions shall be ground-face unions with brass restricted diaphragms drilled for a 3/32 inch. Restricted orifice unions shall be mounted in the horizontal position, not less than 5 feet apart on the sensing line. Two test connections shall be provided for each sensing line. Test connections shall consist of two brass 1/2 inch globe valves and 1/4 inch gauge connection tee arranged in accordance with NFPA 20. One of the test connections shall be equipped with a 0 to 300 psi water oil-filled gauge. Sensing line shall be connected to the pump discharge piping between the discharge piping control valve and the check valve.

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2.9 PRESSURE MAINTENANCE PUMP

A. General: Pressure maintenance pump shall be electric motor driven, centrifugal type with a rated discharge of

20 gpm at 110 psig. Pump shall draft from the suction supply side of the suction pipe gate valve of the fire pump and shall discharge into the system at the downstream side of the pump discharge gate valve. An approved indicating gate valve of the outside screw and yoke (O.S.&Y.) type shall be provided in the maintenance pump discharge and suction piping. Oil-filled water pressure gauge and approved check valve in the maintenance pump discharge piping shall be provided. Check valve shall be swing type with removable inspection plate.

B. Pressure Maintenance Pump Controller: Pressure maintenance pump controller shall be arranged for automatic and manual starting and stopping and equipped with a "manual-off-automatic" switch. The controller shall be completely prewired, ready for field connections, and wall-mounted in a NEMA Type 2 drip-proof enclosure. The controller shall be equipped with a bourdon tube pressure switch or a solid state pressure switch with independent high and low adjustments for automatic starting and stopping. A sensing line shall be provided connected to the pressure maintenance pump discharge piping between the control valve and the check valve. The sensing line shall conform to paragraph, PRESSURE SENSING LINE. The sensing line shall be completely separate from the fire pump sensing lines. An adjustable run timer shall be provided to prevent frequent starting and stopping of the pump motor. The run timer shall be set for 2 minutes.

2.10 JOINTS AND FITTINGS FOR COPPER TUBE

A. Wrought copper and bronze solder-joint pressure fittings shall conform to ASME B16.22 and ASTM B75.

Cast copper alloy solder-joint pressure fittings shall conform to ASME B16.18. Cast copper alloy fittings for flared copper tube shall conform to ASME B16.26 and ASTM B62. Brass or bronze adapters for brazed tubing may be used for connecting tubing to flanges and to threaded ends of valves and equipment. Extracted brazed tee joints produced with an acceptable tool and installed as recommended by the manufacturer may be used. Grooved mechanical joints and fittings shall be designed for not less than 125 psig service and shall be the product of the same manufacturer. Grooved fitting and mechanical coupling housing shall be ductile iron conforming to ASTM A536. Gaskets for use in grooved joints shall be molded synthetic polymer of pressure responsive design and shall conform to ASTM D2000 for circulating medium up to 239 degrees F.

Grooved joints shall conform to AWWA C606 Coupling nuts and bolts for use in grooved joints shall be steel and shall conform to ASTM A183.

2.11 PUMP BASE PLATE AND PAD

A. A common base plate shall be provided for each horizontal-shaft fire pump for mounting pump and driver unit.

The base plate shall be constructed of cast iron with raised lip tapped for drainage or welded steel shapes with suitable drainage. Each base plate for the horizontal fire pumps shall be provided with a 1 inch galvanized steel drain line piped to the nearest floor drain. Pump units and bases shall be mounted on the existing reinforced concrete pad.

2.12 HOSE VALVE MANIFOLD TEST HEADER

A. Hose valve test header shall be connected by ASME B16.5, Class 150 flange inlet connection. Hose valves shall be UL listed UL Fire Prot Dir or FM approved FM P7825a and FM P7825b bronze hose gate valves with

2.5 inches American National Fire Hose Connection Screw Standard Threads (NH) in accordance with NFPA 1963. The number of valves shall be in accordance with NFPA 20. Each hose valve shall be equipped with a cap and chain, and located no more than 3 feet and no less than 2 feet above grade.

PART 3 EXECUTION

3.1 EXAMINATION

A. After becoming familiar with all details of the work, verify all dimensions in the field, and advise the

Contracting Officer of any discrepancy before performing the work.

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3.2 FIRE PUMP INSTALLATION RELATED SUBMITTALS

A. The Fire Protection Specialist shall prepare a list of the submittals, from the Contract Submittal Register, that relate to the successful installation of the fire pump(s). The submittals identified on this list shall be accompanied by a letter of approval signed and dated by the Fire Protection Specialist when submitted to the Government.

3.3 INSPECTION BY FIRE PROTECTION SPECIALIST

A. The Fire Protection Specialist shall periodically perform a thorough inspection of the fire pump installation, including visual observation of the pump while running, to assure that the installation conforms to the contract requirements. There shall be no excessive vibration, leaks (oil or water), unusual noises, overheating, or other potential problems. Inspection shall include piping and equipment clearance, access, supports, and guards. Any discrepancy shall be brought to the attention of the Contracting Officer in writing, no later than three working days after the discrepancy is discovered. The Fire Protection Specialist shall witness the preliminary and final acceptance tests and, after completion of the inspections and a successful final acceptance test, shall sign test results and certify in writing that the installation the fire pump installation is in accordance with the contract requirements.

3.4 INSTALLATION REQUIREMENTS

A. Carefully remove materials so as not to damage material which is to remain. Replace existing work damaged by the Contractor's operations with new work of the same construction. Equipment, materials, workmanship, fabrication, assembly, erection, installation, examination, inspection and testing shall be in accordance NFPA 20, except as modified herein. In addition, the fire pump and engine shall be installed in accordance with the written instructions of the manufacturer.

3.5 PIPE AND FITTINGS

A. Piping shall be inspected, tested and approved before burying, covering, or concealing. Fittings shall be provided for changes in direction of piping and for all connections. Changes in piping sizes shall be made using tapered reducing pipe fittings. Bushings shall not be used. Photograph all piping prior to burying, covering, or concealing.

1. Cleaning of Piping: Interior and ends of piping shall be clean and free of any water or foreign material.

Piping shall be kept clean during installation by means of plugs or other approved methods. When work is not in progress, open ends of the piping shall be securely closed so that no water or foreign matter will enter the pipes or fittings. Piping shall be inspected before placing in position.

B. Threaded Connections: Jointing compound for pipe threads shall be polytetrafluoroethylene (PTFE) pipe thread tape conforming to ASTM D3308 and shall be applied to male threads only. Exposed ferrous pipe threads shall be provided with one coat of zinc molybdate primer applied to a minimum of dry film thickness of 1 mil.

C. Pipe Hangers and Supports: Additional hangers and supports shall be provided for concentrated loads in aboveground piping, such as for valves and risers.

1. Vertical Piping: Piping shall be supported at each floor, at not more than 10 foot intervals.

2. Horizontal Piping: Horizontal piping supports shall be spaced as follows:

MAXIMUM SPACING (FEET)

Nominal 1 and 1.25 1.5 2 2.5 3 3.5 4 5 6+ Pipe Under Size (inches)

Copper 6 7 8 Tube

Steel 7 8 9 10 11 12 13 14 16 17 Pipe

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D. Grooved Mechanical Joint: Grooves shall be prepared according to the coupling manufacturer's instructions.

Grooved fittings, couplings, and grooving tools shall be products of the same manufacturer. Pipe and groove dimensions shall comply with the tolerances specified by the coupling manufacturer. The diameter of grooves made in the field shall be measured using a "go/no-go" gauge, vernier or dial caliper, narrow-land micrometer, or other method specifically approved by the coupling manufacturer for the intended application. Groove width and dimension of groove from end of pipe shall be measured for each change in grooving tool setup to verify compliance with coupling manufacturer's tolerances. Grooved joints shall not be used in concealed locations, such as behind solid walls or ceilings, unless an access panel is shown on the drawings for servicing or adjusting the joint.

3.6 ELECTRICAL WORK

A. Electric motor and controls shall be in accordance with NFPA 20, NFPA 72 and NFPA 70, unless more stringent requirements are specified herein or are indicated on the drawings. Electrical wiring and associated equipment shall be provided in accordance with NFPA 20 and Section 26 20 00 INTERIOR DISTRIBUTION SYSTEM. Provide wiring in rigid metal conduit or intermediate metal conduit, except electrical metallic tubing conduit may be provided in dry locations not enclosed in concrete or where not subject to mechanical damage.

3.7 FLUSHING

A. The fire pump suction and discharge piping shall be flushed at 120 percent of rated capacity of each pump.

Where the pump installation consists of more than one pump, the flushing shall be the total quantity of water flowing when all pumps are discharging at 150 percent of their rated capacities. The new pumps may be used to attain the required flushing volume. No underground piping shall be flushed by using the fire pumps.

Flushing operations shall continue until water is clear, but not less than 10 minutes. Submit a signed and dated flushing certificate before requesting field testing.

3.8 FIELD TESTS

A. Submit, at least 2 weeks before starting field tests, system diagrams that show the layout of equipment, piping, and storage units, and typed condensed sequence of operation, wiring and control diagrams, and operation manuals explaining preventative maintenance procedures, methods of checking the system for normal, safe operation, and procedures for safely starting and stopping the system shall be framed under glass or laminated plastic. After approval, these items shall be posted where directed.

B. Hydrostatic Test: Piping shall be hydrostatically tested at 225 psig for a period of 2-hours, or at least 50 psi in excess of the maximum pressure, when the maximum pressure in the system is in excess of 175 psi in accordance with NFPA 20.

C. Preliminary Tests: The Fire Protection Specialist shall take all readings and measurements. The

Manufacturer's Representative, a representative of the fire pump controller manufacturer, shall witness the complete operational testing of the fire pump and drivers. The fire pump controller manufacturer's representative shall each be an experienced technician employed by the respective manufacturers and capable of demonstrating operation of all features of respective components including trouble alarms and operating features. Fire pumps, drivers and equipment shall be thoroughly inspected and tested to insure that the system is correct, complete, and ready for operation. Tests shall ensure that pumps are operating at rated capacity, pressure and speed. Tests shall include manual starting and running to ensure proper operation and to detect leakage or other abnormal conditions, flow testing, automatic start testing, testing of automatic settings, sequence of operation check, test of required accessories; test of pump alarms devices and supervisory signals, test of pump cooling, operational test of relief valves, and test of automatic power transfer, if provided. Pumps shall run without abnormal noise, vibration or heating. If any component or system was found to be defective, inoperative, or not in compliance with the contract requirements during the tests and inspection, the corrections shall be made and the entire preliminary test shall be repeated.

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D. Air Force Formal Inspection and Tests: The Air Force Representative will witness formal tests and approve all systems before they are accepted. Submit the request for formal inspection at least 15 days prior to the date the inspection is to take place. An experienced technician regularly employed by the pump installer shall be present during the inspection.

1. Full Water Flow Test: Acceptance test shall include a full water flow test. The securing of all hoses and nozzles during the tests is the responsibility of the Contractor. Water flow testing shall be conducted in a safe manner with no destruction to the existing facility or new construction. Tests shall include 100 and 150 percent capacity flows and pressures, and no-flow pressures for compliance with manufacturer's characteristic curves. At this inspection repeat the required tests as directed.

2. Correcting Defects: Correct defects in the work, and make additional tests until the Contractor has demonstrated that the system complies with the contract requirements.

3. Documentation of Test: Manufacturer's certified shop test characteristic curves for each pump being tested must be furnished by the Contractor at the time of the pump acceptance test.

E. Air Force Final Acceptance Test: The Fire Protection Specialist shall take all readings and measurements.

The Manufacturer's Representative and the fire pump controller manufacturer's representative shall also witness for the final tests. The Contractor shall be responsible for repairing any damage caused by hose streams or other aspects of the test. The final acceptance test shall include the following:

1. Flow Tests: Flow tests using the test header, hoses and playpipe nozzles shall be conducted. Flow tests shall be performed at churn (no flow), 75, 100, 125 and 150 percent capacity for each pump and at full capacity of the pump installation. Flow readings shall be taken from each nozzle by means of a calibrated pitot tube with gauge or other approved measuring equipment. Rpm, suction pressure and discharge pressure reading shall be taken as part of each flow test. Voltage and ampere readings shall taken on each phase as part of each flow test for electric-motor driven pumps.

2. Starting Tests: Pumps shall be tested for automatic starting and sequential starting. Setting of the pressure switches shall be tested when pumps are operated by pressure drop. Tests may be performed by operating the test connection on the pressure sensing lines. As a minimum, each pump shall be started automatically 10 times and manually 10 times, in accordance with NFPA 20. The fire pumps shall be operated for a period of a least 10 minutes for each of the starts; except that electric motors over 200 horsepower shall be operated for at least 15 minutes and shall not be started more than 2 times in 10 hours. Pressure settings that include automatic starting and stopping of the fire pump(s) shall be indicated on an etched plastic placard, attached to the corresponding pump controller.

3. Alarms: All pump alarms, both local and remote, shall be tested.

4. Miscellaneous: Valve tamper switches, both new and existing, shall be tested. Pressure recorder operation relief valve settings, valve operations, operation and accuracy of meters and gauges, and other accessory devices shall be verified.

5. Correction of Deficiencies: If equipment was found to be defective or non-compliant with contract requirements, perform corrective actions and repeat the tests. Tests shall be conducted and repeated if necessary until the system has been demonstrated to comply with all contract requirements.

6. Test Documentation: The Manufacturer's Representative shall supply a copy of the manufacturer's certified curve for each fire pump at the time of the test. The Fire Protection Specialist shall record all test results and plot curve of each pump performance during the test. Complete pump acceptance test data of each fire pump shall be recorded. The pump acceptance test data shall be on forms that give the detail pump information such as that which is indicated in Figure A-11-2.6.3(f) of NFPA 20. All test data records shall be submitted in a three ring binder.

F. Test Equipment: Provide all equipment and instruments necessary to conduct a complete final test, including

2.5 inch diameter hoses, playpipe nozzles, pitot tube gauges, portable digital tachometer, voltage and ampere meters, and calibrated oil-filled water pressure gauges. Provide all necessary supports to safely secure hoses and nozzles during the test. The Government shall furnish water for the tests.

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G. As-Built Drawings: Submit As-Built Drawings, no later than 14 days after completion of the Final Tests. The Fire Pump Installation Drawings shall be updated to reflect as-built conditions after all related work is completed and shall be on reproducible full-size bond.

3.9 DISINFECTION

A. After all system components are installed including pumps, piping, and other associated work, and all hydrostatic tests are successfully completed, thoroughly flush the pumps and all piping to be disinfected with potable water until there is no visible sign of…