SECTION 13945N

NOTE: This guide specification covers the requirements for automatic deluge and preaction fire extinguishing sprinkler systems.

Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the Internet.

Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).

Use of electronic communication is encouraged.

Brackets are used in the text to indicate designer choices or locations where text must be supplied by the designer.

NOTE: Use deluge systems for high hazard occupancies and as required by Unified Facilities Criteria (UFC) 3-600-01 Design: fire Protection Engineering for Facilities or applicable NFPA standards. Use preaction systems in lieu of wet pipe systems where extraordinary precautions against accidental water discharge is warranted. For NAVFAC users, system requirements shall conform to UFC 3-600-01 and NFPA 13, "Installation of Sprinkler Systems."

NOTE: Following information shall be shown on project drawings:

1. Location and detail of each sprinkler system supply riser, deluge or preaction valve, water motor alarm, fire department inlet connection, control panel, air compressor, fused disconnect switch, and associated electrical connections.

2. Location where each sprinkler system begins including connection to water distribution system piping.

3. Location of sprinkler system control valves, post indicator valves, or wall indicator valves.

4. Area of sprinkler system coverage when system is protecting partial areas.

5. Details of anchoring piping, including pipe clamps and tie rods, or mechanical retainer glands.

6. Indicate existing sprinkler piping layout and sprinkler heads on project drawings only if existing sprinkler system is being modified and such layout is necessary for clarity.

7. Do not show detector placement, conduit runs, or number of conductors.

NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.

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References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

Computer controlled facility components that accurately process date and time data (including, but not limited to, calculating, comparing, and sequencing) from, into, and between the twentieth and twenty-first centuries, and the years 1999 and 2000 and leap year calculations.

Design and provide [new and modify existing] automatic [deluge] [preaction] fire extinguishing sprinkler systems for complete fire protection coverage throughout [_____].

NOTE: For areas smaller than 93 sq meters 1,000 sq ft, use hydraulic calculations for deluge systems, and use pipe schedules for preaction systems. For areas larger than 93 sq meters 1,000 sq ft, use hydraulic calculations complying with MIL-HDBK-1008 for deluge systems and for preaction systems. For open areas larger than 929 sq meters 10,000 sq ft, use hydraulic calculations. When hydraulic calculations are not included, delete paragraphs entitled "Water Distribution," "Density of Application of Water," "Sprinkler Discharge Area," "Outside Hose Allowances," "Friction Losses," and "Water Supply." Earthquake protection shall be required for buildings in seismic zones 3 and 4, and only essential and high risk buildings in seismic zone 2.

Design automatic [deluge] [preaction] fire extinguishing sprinkler systems in accordance with the required and advisory provisions of NFPA 13 [NFPA 15], except as modified herein, by hydraulic calculations using the area design method for uniform distribution of water over the design area. Each system shall include materials, accessories, and equipment inside and outside the building to provide each system complete and ready for use. Design and provide each system to give full consideration to blind spaces, piping, electrical equipment, ducts, and other construction and equipment in accordance with detailed working drawings to be submitted for approval. Locate sprinkler heads in a consistent pattern with ceiling grid, lights, and air supply diffusers. Devices and equipment for fire protection service shall be UL Fire Prot Dir listed or FM P7825 approved for use in [deluge] [preaction] sprinkler systems. [Design systems for earthquake protection.]

Spacing of sprinklers and position and orientation of sprinklers in relation to the ceiling, walls, and obstructions shall conform to NFPA 13 for [light] [ordinary] [_____]hazard occupancy [for the entire building] [for [_____]areas]. Uniformly space sprinklers on the branch piping.

Distribution shall be uniform throughout the area in which the sprinkler heads will cover. Discharge from individual heads shall be not less than 100 percent of the specified density.

Size pipe to provide the specified density when the system is discharging the specified total maximum required flow. Application to horizontal surfaces below the sprinklers shall be [_____] L/m per sq meter gpm per sq ft .

[Area shall be the hydraulically most remote [_____] sq meter ft area as defined in NFPA 13.] [Area shall be [as indicated.] [based on the [_____] meter foot radius rule and shall conform to NFPA 409 for aircraft hangars.] [_____.]] [For deluge systems, design area shall be the entire area protected by the system.]

Hydraulic calculations shall include an allowance of [_____] L/m gpm for outside hose streams.

Calculate losses in piping in accordance with the Hazen-Williams formula with 'C' value of [120 (deluge)] [100 (preaction)] for steel piping, 150 for copper tubing, and 140 for cement-lined ductile-iron piping. Velocity in sprinkler piping shall be limited to a maximum of 20 feet per second6 meters per second.

Base hydraulic calculations on a static pressure of [_____] kPa (gage) psig with [_____] L/m gpm available at a residual pressure of [_____] kPa (gage) psig at the [junction with the water distribution piping system.] [base of the sprinkler piping riser.] [Base hydraulic calculations on operation of fire pumps provided in Section 13920 13920 13920 FIRE PUMPS.]

Prepare A1 841 by 594 mm 24 by 36 inch detail working drawings of sprinkler heads and piping system layout in accordance with NFPA 13, "Working Drawings (Plans)." Show data essential for proper installation of each system. Show details, plan view, elevations, and sections of the systems supply and piping. Show piping schematic of systems supply, devices, valves, pipe, and fittings. Show location and orientation of sprinkler heads in relation to obstructions. Show point to point electrical wiring diagrams. [Submit drawings signed by a registered fire protection engineer.]

After completion, but before final acceptance, submit complete set of as-built drawings of each system for record purposes. Submit A1 841 by 594 mm 24 by 36 inch drawings on reproducible mylar film with title block similar to full size contract drawings. Furnish the as-built (record) working drawings in addition to as-built contract drawings required by Division 1, "General Requirements."

NOTE: Review submittal description (SD) definitions in Section 01330 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should be kept to the minimum required for adequate quality control.

A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractor’s Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.

For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the "G" designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: "AE" for Architect-Engineer; "DO" for District Office (Engineering Division or other organization in the District Office); "AO" for Area Office; "RO" for Resident Office; and "PO" for Project Office. Codes following the "G" typically are not used for Navy, Air Force, and NASA projects.

Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.

Government approval is required for submittals with a "G" designation; submittals not having a "G" designation are [for Contractor Quality Control approval.][for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.] The following shall be submitted in accordance with Section 01330 01330 01330 SUBMITTAL PROCEDURES:

The [[_____] Division][EFA [______]], Naval Facilities Engineering Command, Fire Protection Engineer, will review and approve all submittals in this section requiring Government approval.

The [_____] Division, Naval Facilities Engineering Command, Fire Protection Engineer delegates the authority to the Quality Control (QC) Representative's U.S. Registered Fire Protection Engineer for review and approval of submittals required by this section. Submit to the [_____] Division, Naval Facilities Engineering Command, Fire Protection Engineer one set of all approved submittals and drawings immediately after approval but no more later than 15 working days prior to final inspection.

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

Qualifications of System Technician: Installation drawings, shop drawing and as-built drawings shall be prepared, by or under the supervision of, an individual who is experienced with the types of works specified herein, and is currently certified by the National Institute for Certification in Engineering Technologies (NICET) as an engineering technician with minimum Level-III certification in Automatic Sprinkler System program. Contractor shall submit data for approval showing the name and certification of all involved individuals with such qualifications at or prior to submittal of drawings.

For each product, component and system specified in this section as a "computer controlled facility component", provide a statement of Y2K compliance warranty for the specific equipment. The contractor warrants that each hardware, software, and firmware product delivered under this contract and listed below shall be able to accurately process date and time data (including, but not limited to, calculating, comparing, and sequencing) from, into, and between the twentieth and twenty-first centuries, and the years 1999 and 2000 and leap year calculations to the extent that other computer controlled component, used in combination with the computer controlled component being acquired, properly exchanges date and time data with it. If the contract requires that specific listed products must perform as a system in accordance with the foregoing warranty, then that warranty shall apply to those listed products as a system. The duration of this warranty and the remedies available to the Government for breach of this warranty shall be as defined in, and subject to, the terms and limitations of the contractor's standard commercial warranty or warranties contained in this contract, provided that, notwithstanding any provision to the contrary, in such commercial warranty or warranties, the remedies available to the Government under this warranty shall include repair or replacement of any listed product whose non-compliance is discovered and made known to the contractor in writing within one year (365 days) after acceptance. Nothing in this warranty shall be construed to limit any rights or remedies the Government may otherwise have under this contract, with respect to defects other than Year 2000 performance.

NOTE: To ensure that buildings' systems continue to function beyond Year 2000, the following paragraph must be included when this section is part of a construction contract. For more information on Y2K, see these web sites on the Internet: http://www.doncio.navy.mil/y2k/year2000.htm, the Year 2000 homepage of the Department of the Navy Chief Information Officer (DONCIO); http://www.itpolicy.gsa.gov/mks/yr2000/legal.htm, the General Services Administration (GSA) Chief Information Officer (CIO) homepage for Y2K procurement, contracting and legal issues; http://y2k.1mi.org/gsa/y2kproducts, contains information on vendor product compliance.

Provide computer controlled facility components, specified in this section, that are Year 2000 compliant (Y2K). Computer controlled facility components refers to software driven technology and embedded microchip technology. This includes, but is not limited to, telecommunications switches, programmable thermostats, HVAC controllers, elevator controllers, utility monitoring and control systems, fire detection and suppression systems, alarms, security systems, traffic signals, and other facilities control systems utilizing microcomputer, minicomputer, or programmable logic controllers.

Provide fittings for changes in direction of piping and for connections. [Make changes in piping sizes through tapered reducing pipe fittings; bushings will not be permitted.] Perform welding in the shop; field welding will not be permitted. Conceal piping in areas with [suspended ceiling] [and] [_____].

NFPA 13, except as modified herein. [Steel piping shall be Schedule [10] [or] [40] for pipe sizes less than 200 mm 8 inches, and may be Schedule [10] [30] [or] [40] for sizes 65 mm 2.5 inches and larger.] Fittings into which sprinkler heads, sprinkler head riser nipples, or drop nipples are threaded shall be welded, threaded, or grooved-end type. Plain-end fittings with mechanical couplings and fittings which use steel gripping devices to bite into the pipe when pressure is applied will not be permitted. Rubber gasketed grooved-end pipe and fittings with mechanical couplings shall be permitted in pipe sizes 40 mm 1.5 inches and larger. Fittings shall be UL Fire Prot Dir listed or FM P7825 approved for use in dry pipe sprinkler systems. Fittings, mechanical couplings, and rubber gaskets shall be supplied by the same manufacturer. [Side outlet tees using rubber gasketed fittings shall not be permitted.] Steel piping with wall thickness less than Schedule 30 shall not be threaded. Steel piping shall be [galvanized][black steel]. [Sprinkler pipe and fittings shall be metal.]

Provide nominal 12.7 mm 0.50 inch [or 13.5 mm 0.53 inch] orifice standard [____]sprinkler heads. No o-rings will be permitted in sprinkler heads.[For preaction systems, the release element of each head shall be of the [ordinary] [_____] temperature rating or higher as suitable for the specific application.] [For deluge systems, provide open heads.] Provide polished stainless steel ceiling plates or chromium-plated finish on copper alloy ceiling plates, and chromium-plated pendent sprinklers below suspended ceilings. [Provide corrosion-resistant sprinkler heads and sprinkler head guards as required by NFPA 13.] [Provide [_____] sprinkler heads [_____] [as indicated].] Deflector shall not be more than 80 mm 3 inches below suspended ceilings. Ceiling plates shall not be more than 12.7 mm 0.5 inch deep. Ceiling cups shall not be permitted. Automatic sprinklers installed in the pendent position shall be of the dry-pendent type [except that standard pendent sprinklers may be installed on return bends when both the sprinklers and the return bends are located in a heated area].

Provide a minimum [four] [_____] of each type of sprinkler head[, including a representative sample of dry pendent type sprinklers] and sprinkler head wrench adjacent to each deluge or preaction valve. The number and types of extra sprinkler heads shall be as specified in NFPA 13.

Valves shall be operated by a detection system listed for releasing service and independent of building fire alarm system. [[Deluge] [Preaction] valve clappers shall incorporate a [mechanical] latching mechanism that will not be affected by pressure changes in the water system.] If 150 mm 6 inch valves are used in 200 mm 8 inch risers, provide smoothly tapered connections. In addition to automatic operation, arrange each valve for manual release at the valve. Provide pressure gages and other appurtenances at the [deluge] [preaction] valves. Provide a test detection device for each actuation circuit adjacent to each valve which the device controls as required by NFPA 13. [Provide remote manual releases where indicated.] [_____.]

Provide alarms of the approved weatherproof and guarded type, to sound locally on the flow of water in each corresponding sprinkler system. Mount alarms on the outside of the outer walls of each building at a location as directed. Provide separate drain piping directly to exterior of building.

Provide switch with circuit opener or closer for the automatic transmittal of an alarm over the facility fire alarm system. Connection of switch shall be under Section [ 13851N 13851N 13851N EXTERIOR FIRE ALARM SYSYTEM] [ 13852N 13852N 13852N INTERIOR FIRE DETECTION AND ALARM SYSTEM]. [Alarm actuating device shall have mechanical diaphragm controlled retard device adjustable from 0 to 60 seconds and shall instantly recycle.] Do not install a shutoff valve in the piping between the [preaction][deluge] valve and any pressure switch.

Provide in accordance with NFPA 13. Attach to steel joists with MSS SP-58, Type 19 or 23 clamps and retaining straps. Attach to Steel W or S beams with Type 21, 28, 29, or 30 clamps. Attach to steel angles and vertical web steel channels with Type 20 clamp with beam clamp channel adapter. Attach to horizontal web steel channel and wood with drilled hole on centerline and double nut and washer. Attach to concrete with Type 18 insert or drilled expansion anchor.

NFPA 13. Provide valves of types approved for fire service. Valves shall open by counterclockwise rotation. [Provide [a rising stem] [an OS&Y] [a wall indicator] valve beneath each deluge or preaction valve.] [Check valves shall be [flanged] clear opening swing-check type with flanged inspection and access cover plate for sizes [100 mm50 inches][200 mm8 inches] [_____] and larger.] [Provide OS&Y gate valve in piping to sprinklers protecting elevator hoistways, machine rooms, and machinery spaces in accordance with ASME A17.1.]

Provide supervision of each control valve against closure and tampering in accordance with NFPA 13. [Provide switch with SPDT (Form C) dry contacts for the automatic transmittal of a supervisory signal over the facility fire alarm system; minimum switch contact rating shall be 2.5 amperes at 24 VDC. A supervisory signal shall be initiated during the first two revolutions of the hand wheel, or during the first 1/5th of travel distance of the valve stem, from full open. Connection of the switch shall be under Section [ 13852N 13852N 13852N INTERIOR FIRE DETECTION AND ALARM SYSTEM] [ 13855N 13855N 13855N ANALOG / ADDRESSABLE INTERIOR FIRE ALARM SYSTEM]]. [Provide breakaway key operated locks and steel chains to secure all control valves against unauthorized closure or tampering.]

Provide [reduced pressure principle] [double check] valve assembly backflow preventer with OS&Y gate valve on both ends. Each check valve shall have a drain. Backflow prevention assemblies shall have current "Certificate of Approval from the Foundation for Cross-Connection Control and Hydraulic Research, FCCCHR List. Listing of the specific make, model, design, and size in the FCCCHR List shall be acceptable as the required documentation."

NFPA 13. Attach properly lettered and approved metal signs to each valve and alarm device. [Permanently affix hydraulic design data nameplates to the riser of each system.]

Provide test connections approximately 2 meters 6 feet above the floor for each sprinkler system or portion of each sprinkler system equipped with an alarm device; locate at the hydraulically most remote part of each system. Provide test connection piping to a drain location that can accept full flow where the discharge will be readily visible and where water may be discharged without property damage. [Discharge to a floor drain shall be permitted only if the drain is sized to accomodate full flow.] Discharge to janitor sinks or similar fixtures shall not be permitted. Provide discharge orifice of same size as corresponding sprinkler orifice. [The penetration of the exterior wall shall be no greater than [2 feet0.61 meter] [_____] above finished grade.]

Provide downstream of the backflow prevention assembly listed hose valves with 65 mm 2.5 inch National Standard male hose threads with cap and chain. Provide one valve for each 250 gpm 16 L/s of system demand or fraction thereof. Provide a permanent sign in accordance with paragraph entitled "Identification Signs" which reads, "Test Valve."

Provide separate drain piping to discharge at safe points outside each building [or] [to sight cones attached to drains of adequate size to readily receive the full flow from each drain under maximum pressure]. Provide auxiliary drains as required by NFPA 13. Provide precast concrete splash block under each exterior drain discharge. [The penetration of the exterior wall shall be no greater than [0.61 meters2 feet] [_____] above finished grade.] [Main drain shall also serve as the backflow preventer test connection. Site main drain pipe and valve to support flow at system demand.]

Provide [[4] [_____] inch[100] [_____] mm single [Storz] [_____] type] connections approximately one meter 3 feet above finish grade, of the approved two-way type with 65 mm 2.5 inch National Standard female hose threads with plug, chain, and identifying fire department connection escutcheon plate.

Provide an approved, automatic type, electric motor-driven air compressor including pressure switch, air piping, and [_____] [38 liter] [10 gallon] minimum capacity tank. Compressor shall have a minimum capacity capable of charging the complete sprinkler system to normal system air pressure within 30 minutes and within 15 minutes for the pneumatic detection system. Provide an approved automatic air maintenance device for each system.

Provide outside-coated, cement-mortar lined, ductile-iron pipe, and fittings conforming to NFPA 24 for piping under the building and outside of building walls. Anchor joints in accordance with NFPA 24. Provide concrete thrust block at the elbow where the pipe turns up toward the floor, and restrain the pipe riser with steel rods from the elbow to the flange above the floor. Minimum pipe size shall be 150 mm 6 inches. Minimum depth of cover shall be [_____] [one meter] [3 feet] at finish grade. [Piping beyond 1.50 meters 5 feet outside of building walls shall be provided under Section 02510 02510 02510 EXTERIOR WATER DISTRIBUTION SYSTEM MINOR CONSTRUCTION.]

Provide as required by NFPA 24. Gate valves shall conform to UL 262 and shall open by counterclockwise rotation.

Provide with operating nut located about one meter 3 feet above finish grade. Gate valves for use with indicator post shall conform to UL 262. Indicator posts shall conform to UL 789. Provide each indicator post with one coat of primer and two coats of red enamel paint.

Except where indicator posts are provided, for each buried valve, provide cast-iron, ductile-iron, or plastic valve box of a suitable size. Plastic boxes shall be constructed of acrylonitrile butadiene styrene (ABS) or inorganic fiber-reinforced black polyolefin. Provide cast-iron, ductile-iron, or plastic cover for valve box with the word "WATER" cast on the cover. The minimum box shaft diameter shall be 133 mm 5.25 inches. Coat cast-iron and ductile-iron boxes with bituminous paint applied to a minimum dry-film thickness of 0.254 mm 10 mils.

Provide detectable aluminum foil plastic backed tape or detectable magnetic plastic tape manufactured specifically for warning and identification of buried piping. Tape shall be detectable by an electronic detection instrument. Provide tape in rolls, 80 mm 3 inches minimum width, color coded for the utility involved with warning and identification imprinted in bold black letters continuously and repeatedly over entire tape length. Warning and identification shall read "CAUTION BURIED WATER PIPING BELOW" or similar wording. Use permanent code and letter coloring unaffected by moisture and other substances contained in trench backfill material.

Provide where piping passes entirely through walls, floors, and roofs. Secure sleeves in position and location during construction. Provide sleeves of sufficient length to pass through entire thickness of walls, floors, and roofs. Provide 25 mm one inch minimum clearance between exterior of piping 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. In fire walls and fire floors, seal both ends of pipe sleeves or core-drilled holes with UL listed fill, void, or cavity material.

Provide split hinge metal plates for piping entering walls, floors, and ceilings in exposed spaces. Provide polished stainless steel plates or chromium-plated finish on copper alloy plates in finished spaces. Provide paint finish on metal plates in unfinished spaces.

Provide [electric] [heat detectors] [and] [smoke detectors]. Connecting piping, tubing, devices, and wiring shall be supervised so that an audible and visual trouble signal is operated when there is a fault in the system. Provide tubing and wiring in protective [material] [metal] conduit or tubing. Detectors located in areas subject to moisture or exterior atmospheric conditions shall be types approved for such locations. Removal of any detector from the system shall result in the actuation of a trouble signal. Furnish not less than two spare detectors of each type for each system.

Provide detectors for [surface] [flush] outlet box mounting. Support detectors independently of conduit, tubing, or wiring connections. Detectors shall be completely metal enclosed and shall be [combination fixed temperature and rate-of-rise] [fixed temperature and rate compensated] [infrared] [ultraviolet] [_____] type. Contacts shall be self-resetting after [response to rate-of-rise] actuation. [Operation under fixed temperature actuation shall result in an indication which may be noted by external visual inspection of the detector, or the detector may be the self-resetting type.] Space detectors in accordance with NFPA 72, except provide at least two detectors in areas exceeding 55 sq meters 600 sq feet. Provide fixed temperature type detectors in areas subject to abnormal temperature changes, such as showers and boiler rooms. Reduce heat detector spacing in areas with ceiling heights greater than 10 feet 3 meters in accordance with NFPA 72. For ceiling heights greater than 30 feet 9 meters, space detectors based on an assumed height of 30 feet 9 meters. [Furnish a portable electric device suitable for testing the detectors.]

Provide for detection of abnormal smoke densities by the [ionization] [or] [photoelectric] principle. Provide control and power panels required for operation of the detector either as individual detectors or detectors integral with the main control panel. Provide detectors and associated panels which are compatible with main control panel being provided and suitable for use in a supervised circuit. Malfunction of the electrical circuitry to the detector or detector control or power panels shall actuate the system trouble devices. Each detector shall contain a visible indicator lamp that shall indicate when the detector is activated. Each detector shall be the plug-in type with screw terminals in the detector base for wiring connections. Detector spacing and location shall be in accordance with manufacturer's recommendations and the requirements of NFPA 72; however, spacing shall not exceed 9 by 9 meters 30 by 30 feet per detector, and 9 linear meter 30 lineal feet per detector along corridors. Do not locate detectors within 1.50 meters 5 feet of air supply diffusers and registers, or within<MET 12 inches of lighting fixtures. [Provide remote indicator lamp for each detector located above suspended ceilings, beneath raised floors, or otherwise concealed from view.] Mount detectors located beneath raised floors face downward, with the base within 50 mm 2 inches of the underside of the raised floor. Where the space under the raised floor is less than 305 mm 12 inches in height, mount detectors with the base either horizontal or vertical, with the detection chamber located in the upper half of the underfloor space. Do not mount detectors facing upward.

Provide a [modular type] control panel for electrically operated detection and extinguishing systems for each [deluge] [preaction] valve; install in a surface-mounted steel cabinet with hinged doors [and cylinder lock]. Control panels shall be a neat, compact, factory-wired assembly containing components and equipment necessary to perform specified operating and supervisory functions of the system. Provide a control panel with an isolation switch that shall, when activated, allow testing of the system without activating the [preaction] [deluge] valve. House batteries in a lockable steel cabinet. Finish interior and exterior of cabinet with enamel paint; attach prominent rigid plastic or metal identification plates. Provide trouble lights on cabinet door, and provide trouble alarm above cabinet top. Provide 120 volts ac service, transformed through a two-winding isolation type transformer and rectified to low-voltage dc for operation of all system actuating, signal sounding, trouble signal, and fire alarm tripping circuits. [Control panel shall be UL Fire Prot Dir listed or FM P7825 approved as an extinguishing system releasing panel and shall be separate from the building's fire alarm control panel.]

Provide nickel cadmium, lead calcium, or sealed lead acid rechargeable storage batteries and battery charger. Dry cell batteries will not be permitted.

a. Storage Batteries: Provide rechargeable lead calcium or sealed lead acid type with sufficient ampere-hour rating to operate the system under supervisory [and trouble] conditions [, including audible trouble signal devices] for [60] [_____] hours and audible [and visual] signal devices under alarm conditions for an additional [10] [_____] minutes and as required per the equipment listing. Separate cells to prevent contact between terminals of adjacent cells and between battery terminals and other metal parts.

Provide solid copper [______] wiring in accordance with NFPA 70. Obtain ac primary power for control panel, battery charger[, and air compressor] from the line side of the incoming building power source ahead of all building services [at the location indicated]. Provide independent, properly fused safety switches, with provisions for locking the covers and operating handles in the POWER ON position for such connections; locate switches adjacent to main distribution panel. Paint the switch boxes red and identify by a permanent lettered designation. Wiring and devices exposed to the water deluge shall be weatherproof type. Wiring and devices in hazardous atmosphere shall be explosion-proof type. [Wire for 120-volt circuits shall be No. 12 AWG minimum.] Wire for low-voltage dc circuits shall be No. [14] [16] AWG minimum. Provide wiring in rigid metal conduit, intermediate metal conduit, or electrical metallic tubing. Identify circuit conductors within each enclosure where a tap, splice, or termination is made. Identify conductor by plastic coated, self-sticking printed markers or by heat-shrink type sleeves. Attach and secure markers to prevent accidental detachment. Properly identify control circuit terminations.

[Preaction sprinkler piping] [and] [pneumatic detection system] and [deluge] [preaction] valve electric releases shall be supervised. A break in the piping or tubing systems resulting in loss of pneumatic pressure shall activate trouble alarm. Provide a silencing switch which transfers trouble signals to an indicating lamp; arrange so that correction of the trouble condition will automatically transfer the trouble signal from the indicating lamp back to the trouble alarm until the switch is restored to normal position.

Stations shall be [surface] [semiflush]-mounted. Stations shall not be subject to operation by jarring or vibration. Break-glass-front stations will not be permitted; however, a pull-lever, break-glass-rod type is acceptable. Station color shall be yellow [_____]. Display operating instructions on face of station in engraved or raised letters of contrasting color. Provide permanent metal or engraved plastic signs mounted above or beside each station, indicating which system that station controls. Lettering shall be a minimum of 38 mm 1.5 inches high. Station shall provide positive indication of operation. Restoration of station shall be accomplished only by means of a key or special tool.

Provide electric alarm [horn] [bell] to sound locally on operation of any detection system, regardless of water flow. The current for these alarms may be taken from the normal building service provided the connection is made ahead of the other services.

Provide equipment for the automatic transmittal of an alarm over the [facility] [building] fire alarm system and arrange to actuate by detection system [and by the flow of water in each sprinkler system]. [Provide supervision of detection and actuation circuits.]

Installation, workmanship, fabrication, assembly, erection, examination, inspection, and testing shall be in accordance with NFPA 13, except as modified herein. Install piping straight and true to bear evenly on hangers and supports. Do not hang piping from plaster ceilings. Keep the interior and ends of new piping and existing piping affected by Contractor's operations thoroughly cleaned of water and foreign matter. Keep piping systems clean during installation by means of plugs or other approved methods. When work is not in progress, securely close open ends of piping to prevent entry of water and foreign matter. Inspect piping before placing into position. Provide Teflon pipe thread paste on male threads.

Provide electrical work associated with this section under Section 16402 16402 16402 INTERIOR DISTRIBUTION SYSTEM, except for control [and fire alarm] wiring. [Provide fire alarm system under Section 13852N 13852N 13852N INTERIOR FIRE ALARM SYSTEM.] Provide control [and fire alarm] wiring[, including connections to fire alarm systems,] under this section in accordance with NFPA 72. Provide wiring in rigid metal conduit or intermediate metal conduit, except electrical metallic tubing conduit may be used in dry locations not enclosed in concrete or where not subject to mechanical damage.

Disinfect the new water piping and existing water piping affected by Contractor's operations up to the [bottom flange of the [preaction] [deluge] valve] [backflow prevention device]in accordance with AWWA C651. Fill piping systems with solution containing minimum of 50 milligram per kilogram (mg/kg) parts per million (ppm) of available chlorine and allow solution to stand for minimum of 24 hours. Flush solution from the systems with domestic water until maximum residual chlorine content is within the range of 0.2 to 0.5 mg/kg ppm, or the residual chlorine content of domestic water supply. Obtain at least two consecutive satisfactory bacteriological samples from new water piping, analyze by a certified laboratory, and submit results prior to the new water piping being place into service. Disinfection of systems supplied by nonpotable water is not required.

Use tapping or drilling machine valve and mechanical joint type sleeves for connections to be made under pressure. Bolt sleeves around the main piping; bolt valve to the branch connection. Open valve, attach drilling machine, make tap, close valve, and remove drilling machine, all without interruption of service. Notify the Contracting Officer in writing at least [_____] [15] days prior to connection date; receive approval before any service is interrupted. Furnish materials required to make connections into existing water supply systems, and perform excavating, backfilling, and other incidental labor as required. [Furnish] [Government will furnish only] the labor and the tapping or drilling machine for making the actual connections to existing systems.

Bury tape with the printed side up at a depth of 305 mm 12 inches below the top surface of earth or the top surface of the subgrade under pavements. Photograph piping prior to burying, covering, or concealing.

Perform test to determine compliance with the specified requirements in the presence of the Contracting Officer. Test, inspect, and approve piping before covering or concealing.

Hydrostatically test each system at 345 kPa (gage) 50 psig above normal system static pressure or 1379 kpa (gage) 200 psig, whichever is greater, for a 2 hour period with no leakage or reduction in pressure. Flush piping with potable water in accordance with NFPA 13. Piping above suspended ceilings shall be tested, inspected, and approved before installation of ceilings. Test the alarms and other devices. Test the water flow alarms by flowing water through the inspector's test connection. The water shall be delivered to the system test connection in not more than 60 seconds, starting at the normal air pressure on the system and at the time of fully opened inspection test connection. When tests have been completed and corrections made, submit a signed and dated certificate, similar to that specified in NFPA 13.

Do not submit a request for formal test and inspection until the preliminary test and corrections are completed and approved. Submit a written request for formal inspection at least [_____] [15] days prior to inspection date. An experienced technician regularly employed by the system installer shall be present during the inspection. At this inspection, repeat any or all of the required tests as directed. Correct defects in work provided by the Contractor, and make additional tests until the systems comply with contract requirements. Furnish appliances, equipment, [water,] electricity, instruments, connecting devices, and personnel for the tests. [The Government will furnish water for the tests.] The [[_____] Division] [EFA [______]], Naval Facilities Engineering Command, Fire Protection Engineer, will witness formal tests and approve systems before they are accepted.

[Painting of sprinkler systems above suspended ceilings and in crawl spaces is not required.] Clean, prime, and paint new sprinkler system piping, valves, hangers, accessories, and miscellaneous metal work as specified [in Section 09900 09900 09900 PAINTS AND COATINGS] [and] [herein]. Clean surfaces prior to painting. Immediately after cleaning, prime metal surfaces with FS TT-P-664 or SSPC Paint 25 metal primer applied to a minimum dry film thickness of 1.5 mils 0.04 mm. Exercise care to avoid painting sprinkler heads and operating devices. Upon completion of painting, remove materials which were used to protect sprinkler heads and operating devices which have been inadvertently painted and provide new clean sprinkler heads and operating devices of the proper type. Finish primed surfaces as follows:

Finished areas are defined as areas where walls or ceilings are painted or are constructed of a prefinished material. Paint primed surfaces with two coats of paint to match adjacent surfaces, except paint valves and operating accessories with two coats of gloss red enamel. [Provide piping with 50 mm 2 inch wide red enamel bands spaced at maximum 6 m 20 feet intervals throughout the piping system. Bands shall be gloss red enamel or self-adhering plastic.]

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NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 13		(2002) Installation of Sprinkler Systems

NFPA 15		(2001) Water Spray Fixed Systems for Fire Protection

NFPA 24		(2002) Installation of Private Fire Service Mains and Their Appurtenances

NFPA 409		(2001) Aircraft Hangars

NFPA 70		(2005) National Electrical Code

NFPA 72		(2002) National Fire Alarm Code

U.S. GENERAL SERVICES ADMINISTRATION (GSA)

FS TT-E-489		(Rev J; Notice 1)) Enamel, Alkyd, Gloss, Low Voc Content

FS TT-P-664		(Rev D) Primer Coating, Alkyd, Corrosion-Inhibiting, Lead and Chromate Free, VOC-Compliant

UNDERWRITERS LABORATORIES (UL)

UL 262		(2004) Gate Valves for Fire-Protection Service

UL 789		(2004) Indicator Posts for Fire-Protection Service

UL Fire Prot Dir		(2004) Fire Protection Equipment Directory

Section Table of Contents

SECTION 13945N

[DELUGE] [PREACTION] FIRE SPRINKLER SYSTEMS

09/99

SECTION 13945N

[DELUGE] [PREACTION] FIRE SPRINKLER SYSTEMS

09/99

-- End of Section --

AMERICAN WATER WORKS ASSOCIATION(AWWA)

AWWA C651		(1999) Disinfecting Water Mains

ASME INTERNATIONAL (ASME)

ASME A17.1		(2004) Handbook on Safety Code for Elevators and Escalators

FOUNDATION FOR CROSS-CONNECTION CONTROL AND HYDRAULIC RESEARCH (FCCCHR)

FCCCHR List		(continuously updated) List of Approved Backflow Prevention Assemblies

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY (MSS)

MSS SP-58		(2002) Pipe Hangers and Supports - Materials, Design and Manufacture

THE SOCIETY FOR PROTECTIVE COATINGS (SSPC)

SSPC Paint 25		(1997; R 2000) Zinc Oxide, Alkyd, Linseed Oil Primer for Use Over Hand Cleaned Steel, Type I and Type II

FM GLOBAL (FM)

FM P7825		(2003) Approval Guide