Attachment_12_-_LRAFB_Fire_Detection_and_Alarm_Systems.pdf

FIRE DETECTION AND ALARM SYSTEM 28 31 00 - 1

SECTION 28 31 00 - FIRE DETECTION AND ALARM SYSTEM

PART 1 - GENERAL

1.01 WORK INCLUDED:

A. The complete fire alarm system for detecting, monitoring, reporting, and other purposes, as herein described and indicated.

B. The equipment shall be properly installed, completely interconnected, and placed in working order as herein described and as shown on the issued Drawings. The system shall provide an electrically supervised fire detection system as specifically listed below.

C. Operation of any automatic fire detection device or manual station shall result in the continuous sounding of all audio/visual devices in the building, the shutdown of all HVAC systems, and the automatic transmission of all signals to the base Central Fire Station.

D. Codes, Laws, and Regulations: Install all electrical work to comply with the requirements of the National Electrical Code, which shall serve as the minimum requirement. Where electrical work is indicated and/or specified in excess of these minimum requirements, install the work accordingly. Requirements of UFC 3-600-01 shall be complied with.

1.02 APPLICABLE PUBLICATIONS:

A. Factory Mutual System (FMS) Publication: (Use latest editions) Factory Mutual Approval Guide.

B. National Fire Protection Association (NFPA) Standards: (Use latest editions)

1. No. 70 National Electrical Code

2. No. 72 National Fire Alarm Code

3. No. 90A Standard for the Installation of Air Conditioning and Ventilating Systems

4. No. 90B Standard for the Installation of Warm Air Heating and Air Conditioning Systems

C. Underwriters’ Laboratories, Inc. (UL) Publication: (Use latest editions) Fire Protection Equipment List, Standard 864

D. UFC 3-600-01 Fire Protection Engineering for Facilities (Use latest edition).

1.03 MATERIAL AND EQUIPMENT:

A. In addition to all requirements specified herein, each material and equipment item shall have all features as standard with its manufacturer and/or as required for the complete operational electrical system. Where two or more pieces of equipment must perform the same functions, they shall be duplicates produced by one manufacturer. The name of the manufacturer, and the serial numbers shall appear on all major components. Locks for all cabinets shall be keyed alike. Equipment added to an existing system shall function in the same manner as similar components of the existing system.

B. Capacities, ratings, sizes, and other requirements not specified hereinafter shall be as scheduled or otherwise indicated on the Drawings. All materials and equipment shall be new unless noted on plans.

C. All materials and equipment shall conform to the requirements of the UL, or the FMS for fire alarm systems of the type indicated. The contractor’s submittals shall supply proof that the items furnished under this specification conform to these requirements. The label, seal, or

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listing in the Factory Mutual Approval Guide will be accepted as sufficient evidence that the items conform to the FMS requirements.

1.04 QUALITY ASSURANCE

A. Design drawings, shop drawings and as-built drawings shall be prepared by, or under the supervision of a qualified Fire Protection Engineer (FPE). The engineer shall have at least a Bachelor of Science degree in Engineering from an accredited university engineering program plus a minimum of 4 years work experience in engineering related to fire alarm systems or individual building mass notification systems. Contractor shall submit data showing the names and certification of the technician or engineer when drawings are submitted. All submittals, including shop drawings, shall be reviewed and sealed by the FPE before submittal to LRAFB. See UFC 3-600-01 for all requirements.

B. Installers: Provide the services of a qualified manufacturer's representative or technician, experienced in the installation and operation of the type of system being provided to supervise the installation, testing (including final testing), and adjustment of the system.

C. Installation Supervisors: Submit names of personnel who will supervise installation and testing of the system, and who will provide instruction to government personnel, along with the manufacturer's certification of the qualifications of the named supervisors. The individual supervising the installation shall be certified NICET Level III or higher in low voltage electronic-communications systems or in fire alarm systems.

D. Regulatory Requirements: Fire Alarm Systems shall be installed in buildings as specified in

UFC 3-600-01.

1.05 SUBMITTALS:

A. Initial submittal: The Contractor shall design the complete fire protection system based on actual equipment they intend to use.

1. Shop Drawings: Include plans, elevations, sections, details, and all attachments to other work. Submit wiring diagrams and schematics on a floor plan indicating locations of all fire alarm equipment. Drawings shall be 1/8 inch or ¼ inch scale and shall indicate by number the detectors in the exact sequence in which installation in the circuit is proposed.

a. Comply with recommendations in the "Documentation" Section of the "Fundamentals" Chapter in NFPA 72.

b. Include voltage drop calculations for notification appliance circuits.

c. Include performance parameters and installation details for each detector, verifying that each detector is listed for complete range of air velocity, temperature, and humidity possible when air-handling system is operating.

d. Include plans, sections, and elevations of heating, ventilating, and air-conditioning ducts, drawn to scale and coordinating installation of duct smoke detectors and access to them. Show critical dimensions that relate to placement and support of sampling tubes, detector housing, and remote status and alarm indicators. Locate detectors according to manufacturer's written recommendations.

e. Include floor plans to indicate final device locations showing address of each addressable device. Show size and route of cable and conduits.

f. See NFPA 72 (2010) Annex A paragraph A.10.18.1.2 for additional requirements.

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2. Submit product brochures/data completely describing all items of equipment.

3. Submit power supply and battery calculations with initial submittal. Calculations shall show the sufficiency of proposed power supply and battery.

4. Submit manufacturer’s installation instructions.

B. Training submittal:

1. Submit training session lesson plan (see paragraph 1.05 C) and all instruction materials for review at least two weeks prior to scheduled date of training.

2. Contractor shall request in writing with the CO that training be scheduled at least one week before pre-final inspection.

3. Pre-final shall not be accomplished until training is performed.

C. Pre-final inspection submittal: At least two weeks prior to the pre-final inspection the following shall be provided to the COR.

1. Accurate updated “contractor revised” as-built wiring diagrams and schematics.

2. Preliminary copy of Operation and Maintenance Manuals, software and ‘Certificate of completion’ per paragraphs 1.05 D 1 & 4.

D. Completion submittal: Upon completion and acceptance of the fire alarm system, the following shall be submitted.

1. OPERATION AND MAINTENANCE MANUALS: The Contractor shall furnish four (4) copies of Operation and Maintenance Manuals. Manuals shall be in booklet form with binder, Table of Contents, tab dividers and shall be arranged in sections as required.

Manuals shall contain, as a minimum:

a. Complete instructions for the operation of the system including all programming operations.

b. Complete instructions for inspection, testing, trouble shooting and maintenance of the system. Include a guide listing troubles, possible causes and corrective actions.

c. Complete wiring schematics and diagrams.

d. As-built wiring diagrams.

e. Power Supply & Battery calculations.

2. Contractor shall submit a laminated copy of the as-built wiring diagrams and schematic showing location of all devices in the system and the zone wiring paths. It shall be left at the FACP upon project completion.

3. The contractor shall update government furnished AutoCAD drawing files with as-built information and digitally stamp these drawings as “as-built”. A copy of the drawing files associated with the Fire Alarm System shall be turned over to the Alarm Shop on compact disk (CD) prior to final inspection.

4. Submit all documents required by NFPA 72 including electronic copy of the site-specific software and ‘Certificate of Completion’.

1.06 TECHNICAL REPRESENTATIVE

The Contractor shall provide a factory trained technical representative of the manufacturer.

This representative shall perform the following:

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A. Directly supervise the final connection of the system.

B. Thoroughly inspect the complete system including all components and certify in writing that the following requirements are satisfied:

1. Complete and functional system.

2. Compliant with UL and FM requirements.

3. Installation in accordance with manufacturer’s recommendations.

4. Adherence to regulations covering supervision of components on completion of contract or acceptance of building.

5. Submit a fire alarm system certification and description in accordance with NFPA 72.

C. Conduct two separate classes on separate days, each consisting of two, two-hour sessions.

The training shall be specific to the system installed including detailed discussion on the panel, panel programming and operation, panel wiring schematics and system wiring diagrams. Each student shall receive copies of all training materials including as-built wiring and schematic diagrams. A proposed lesson plan is available upon request.

1. SESSION 1 of each class shall cover:

a. Theory of operation.

b. Detailed explanations of all circuit cards and their functions.

c. Schematics of entire panel including zoning devices, signal cards, power supply and transmitter.

2. SESSION 2 of each class shall cover: Troubleshooting and repair procedures for all equipment including demonstrations, teaching materials, computer software and programming and editing of system setup, and hands-on training.

1.07 ACCURACY OF DATA AND DRAWINGS; INTERFERENCES, EQUIPMENT

INSTALLATION:

A. The fire alarm drawings are generally diagrammatic, and except where specifically dimensioned or detailed, indicate the approximate locations and general arrangement of the work. Examine carefully all contract drawings for installation of fire alarm devices and coordination with all other work, avoid all interference therewith, and to meet the manufacturer’s limitations. The fire alarm system shall comply with the NFPA standards and design per Paragraph 1.05A1 of this section and approved by the Contracting Officer or his designated representative before construction commences.

B. All interference or discrepancies, which may be discovered or anticipated, shall be reported promptly to the Contracting Officer for decision before proceeding with the work.

C. Install each item of equipment in accordance with its manufacturer’s recommendations, and as indicated on the Drawings, and/or specified. Where there is a discrepancy, the manufacturer’s recommendations shall be followed with the exception of wire size. Wire shall be at least 18AWG cable in conduit. When fire alarm system is completely installed, the manufacturer’s engineer shall check entire system installation and operation, and submit a letter of certification to the Contracting Officer before final inspection.

1.08 CONTRACTOR REVISED DRAWINGS:

The Contractor shall furnish completed and corrected “contractor revised” drawings.

Drawings shall show by number, the detectors in the exact sequence in which they are

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installed on the circuit. Drawings shall also show the exact wiring diagram and termination of all wiring and jumpers installed in panel, and the location of all detectors, conduit runs, zone panels, and transmitter. Drawings shall have the Contracting Officer’s signature on all “contractor revised” drawings (see Division 1). Contractor shall also furnish one framed laminated plastic copy of a “Building Floor Plan” showing all devices installed and zone layout. Contractor shall install the framed drawing on the wall adjacent to the fire alarm panel before the final inspection. Actual size of framed prints shall be verified with the Contracting Officer.

1.09 TOOLS AND SPARE PARTS:

Special tools necessary for the maintenance of the equipment shall be furnished. One spare set of fuses of each type and size required, and 2 percent of the total number of each type of detector, but no less than two (2) thereof, shall be furnished. Furnish one spare plug in zone card and one initiating circuit module. Any spare parts normally furnished by the manufacturer as part of the equipment package shall be furnished.

1.10 Software and Programming Codes:

If manufacturer’s literature indicates computer software is available for use with the system, provide all software for the system. All programming codes software or hardware keys, or passwords required to access, update, modify and maintain the ACU shall be provided to Little Rock AFB alarm shop. If the manufacturer requires an individual to be trained before this information can be provided the Contractor shall provide the required training at no additional cost to the Government.

1.11 CIRCUIT CLASSIFICATION:

All circuits shall be class A with no T-Taps allowed. The return wires from furthest device in the circuit shall be in a separate conduit at least six feet away from the outgoing circuit wires (except within 6 feet of the control panel or as allowed by the NFPA.) IDC circuits shall be Style D or E. SLC circuits shall be Style 6 or 7.

PART 2 - PRODUCTS

2.01 ALARM SIGNALING DEVICE:

A. Audio/Visual Device: Provide both visual and audible alarm indicators. The visual indicator shall be 24-volt DC high intensity xenon-flasher with “FIRE” written on the device. The audible indicator shall be 24 volt DC with output rating of not less than 95 dB at 10 feet.

Notifier MASS24 ADA series, Monaco Horn/Strobe Series 585 or approved equal. If the FACP uses voice annunciation in lieu of tone generation for the audible portion of the annunciation the speakers shall be UL listed to UL 1480 5th edition.

B. Visual Device: The visual indicator shall be 24-volt DC high intensity xenon-flasher with “FIRE” written on the device. Notifier SS24ADA series, Monaco Strobe Series 367 or approved equal.

2.02 MANUAL FIRE ALARM BOXES:

A. Pull stations shall be of non-coded metal or Lexan construction type. Surface mounted pull stations shall have an integral or matching back box. Outdoor pull stations shall be approved for such use. Pull stations shall not be of the breakglass or break rod type. Pin and tumbler type key reset shall be on front of the pull stations. Pull stations shall be addressable where addressable system is specified.

B. Acceptable Manufacturer:

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1. Standard: Notifier BNG-1TSRL, Monaco 708-015-02 or approved equal.

2. Addressable: Notifier BNG-1TSRL W/monitor module MMX-101, Monaco 708-015-02 W/addressable mini-monitor module or approved equal.

2.03 FIRE DETECTING EQUIPMENT:

A. Heat Detectors:

1. Heat detectors shall be fixed temperature only where indicated. Heat detectors shall be of the ‘self restoring’ type with repeatable accuracy.

2. Temperature ratings of heat detectors shall be 190 to 200 degrees Fahrenheit in attic and mechanical spaces. In addressable systems, the attic heat detectors shall be conventional type units monitored by an addressable module located in space were the temperature rating of the monitor module will not be exceeded under normal operating conditions (i.e. they will be in air conditioned spaces). Not more than six detectors will be connected to any one monitor module. All others shall be 135 degrees Fahrenheit.

3. Detector circuit design shall be suitable for the types and numbers of detectors, as approved, and shall limit detector circuit current not to exceed ratings of the detectors and associated relays.

4. Heat detectors shall have latching LED indicator.

5. Detectors shall be addressable when an addressable system is specified

6. Acceptable Manufacturer:

a. Conventional: Notifier 4451HT or 5451 series, Monaco 721 series or approved equal.

b. Addressable: Notifier FDX-551 series, Monaco 721 series or approved equal.

B. Smoke Detectors: Detectors shall be addressable when an addressable system is specified.

2.04 CONVENTIONAL SMOKE DETECTORS

Conventional smoke detectors shall be photoelectric, be self-diagnostic, four-wire smoke detectors which continually monitor their own sensitivity and operational status. They shall provide a visual trouble indication if they drift out of sensitivity range or fail internal diagnostics thus meeting NFPA 72 field sensitivity testing requirements without the need for external meters. They shall have latching LED indicator on alarm.

1. Addressable smoke detectors shall be state-of-the-art ‘intelligent’ photoelectric type with diagnostic self check, with sensitivity of each detector adjustable from the panel, and have latching LED indicator. Detectors shall be addressable when an addressable system is specified in the Delivery Order Statement of Work.

2. Acceptable Manufacturer:

a. Conventional: Monaco 723-336-00 or approved equal

b. Addressable: Notifier SDX-551 series with BX-501 base, Monaco 723-353-00 or approved equal.

B. Duct Smoke Detectors: Detectors shall be addressable when an addressable system is specified.

1. Conventional duct smoke detectors shall have manual reset, be four wire and have latching LED indicator. Provide remote alarm indicator and key reset/test of duct smoke

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detectors if detectors are more than 8’ above finished floor, were climbing on ducting would be needed to reach, or where indicated on plans. Remote key reset shall be mounted at 48” above finished floor.

2. Addressable duct smoke detectors shall have manual reset, be state-of-the-art ‘intelligent’ photoelectric type with diagnostic self check, with sensitivity adjustable from the panel, and have latching LED indicator. Provide remote key reset/test of duct smoke detectors if detectors are more than 8’ above finished floor, where climbing on ducting would be needed to reach, or where indicated on plans. Remote key reset shall be mounted at 48” above finished floor.

3. Acceptable Manufacturer:

a. Conventional: Notifier DH400ACDC series, Monaco 723-505-00 or approved equal

b. Addressable: Notifier SDX-551 series with BX-501 base, Monaco 729-136-00 or approved equal.

C. Monitor modules and control relays – Units shall be full size mounting to standard metal conduit box. Monitor modules shall be capable of monitoring either class “A” or “B” circuits.

Control relays shall be capable of being individually controlled from the FACP based on programmable input events and have Form C contacts rated at 3 amps @ 30VDC and 0.9 amps @ 120 VAC. Units shall be listed for use with the FACP panel.

2.05 CONTROL UNIT - MAIN PANEL:

A. Control unit shall be a fully integrated microprocessor based fire alarm control panel. All monitoring, supervision, signaling, and recording functions shall be incorporated into the main unit. Basic system design shall be modular. Any auxiliary control, monitor, relay or other function devices that exceed the capacity of the main panel enclosure shall be neatly mounted in an enclosure located next to the main panel. Auxiliary panel shall be keyed the same as the main panel. The Fire Alarm Control Panel (FACP) and all ancillary parts shall be listed for use as ‘Local, Auxiliary, Remote Station, Proprietary and Emergency Voice/Alarm’ and ‘Discharge’ (when a discharge type panel is indicated in Contract Documents). All panels shall have built in TVSS devices as required by the NFPA. A complete one line, mechanically drawn, circuit diagram shall be laminated and posted inside the control panel.

B. Unit shall be field programmable and editable to meet requirements including reporting to the transmitter the required number of discreet zone trouble and alarm conditions. Unit shall be expandable. Unit shall have on board trouble shooting diagnostics. Liquid Crystal Display (LCD) shall be a minimum of 40 characters. Unit shall have a minimum 500 event historical logging capacity. Unit shall have the capability to group points into zones and assign specific zones to activate one or more individually assigned output circuits.

C. Control unit shall be approved for use with the fire detecting equipment, manual fire alarm boxes or stations, and alarm sounding appliances. The control unit shall be housed in a substantial steel cabinet with lock and key. The cabinet shall be painted inside and out. The control unit shall include a suitable means for testing the system. The unit shall be arranged so as to operate the audio/visual devices in the event of fire and to continue operation until silenced by switch within the unit cabinet. Operation of the silencing switch shall light an indicator lamp. Indicator lamp shall be plainly visible when the cabinet of the control unit is closed. Relays shall be the plug-in type.

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D. If a trouble alarm condition occurs, the panel shall operate a local audible and visual indication. If the condition which caused the trouble alarm clears, before or after acknowledgment, the panel shall return itself to the NORMAL mode without operator action and note condition in the history file.

E. Control unit shall be connected to transceiver and be configured to report required number of zones to the transceiver based on panel selected. All necessary equipment to transmit each zone’s trouble and alarms individually to the transceiver shall be included in control unit.

F. Specific requirements by panel type and size:

1. Conventional Units -

a. Four to Eight Zone Units - Unit shall have four Class A Style D initiating circuits, expandable up to 8 Class A style D initiating circuits. It shall have a minimum of two (2) Class A Style Z signaling circuits (NAC), relays for reporting each zones alarm functions, panel trouble and 3 additional assignable relays. LED's or LCD shall identify status of each zone.

b. Eight or more Zone Units - Unit shall have 8 Class A style D initiating circuits, expandable up to at least 16 Class A style D initiating circuits. It shall have a minimum of two (2) Class A Style Z signaling circuits (NAC), relays for reporting each zones alarm functions, panel trouble and 3 additional assignable relays. LED's or LCD shall identify current status of each zone.

2. Addressable Units - Panels shall have one or more SLC loop(s) and use automatic drift compensation and ‘program-controlled’ sensitivity adjustment of detectors technologies. Unit shall have onboard trouble shooting diagnostics with at least one Class A Style 6 or 7 intelligent SLC circuit supporting 198 intelligent devices. The Unit shall have a minimum of four (4) Class A Style Z signaling circuits (NAC). Unit shall be capable of reporting at least 16 discreet zones alarm functions and panel trouble conditions to the transmitter and remote control/LCD display. Provide at least 6 additional assignable relays. Control panels shall be compatible with supplied addressable devices. Only panels listed for discharge by UL or FM shall be used for that purpose.

G. Acceptable Manufacturer:

1. Conventional 4 – 8 Zone: Notifier System 500, Monaco M2 or approved equal.

2. Conventional 8 or more Zone: Notifier System 5000, Monaco M2 or approved equal.

3. Addressable: Notifier NFS-320, Monaco M2 or approved equal.

2.06 FACILITIES FOR TRANSMISSION OF SIGNALS:

A. Transceiver shall be Monaco BT-XF 8 zone minimum or approved equal, and shall be able to transmit all zone trouble and alarms individually to receiving equipment. A minimum of eight zones shall be provided. Signal identification for both fire and line-trouble conditions shall be transmitted over radio signals at M163.4625. Transmissions shall be over a ‘narrow band’ conforming to the “Manual of Regulations and Procedures for Federal Radio Frequency Management” (latest edition). The transceiver may be an integral part of the Control unit/main panel.

B. Antenna: Contractor shall provide a ¾ inch conduit run from the transmitter to exterior eve mounted OMNI directional antenna (Monaco BSA-1) and a lightning arrestor (Monaco Part Number 198-001-01) in a rain tight NEMA 3R enclosure. All connections are to use Type 2 coaxial cable and proper PL259 and BNC connectors.

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C. Grounding: A new ¾ inch, ten foot long, copper clad ground rod shall be installed directly under the lightning arrestor. Lightning arrestor shall be grounded at the new rod and connected to the building’s grounding system.

D. Headquarters Equipment: The headquarters equipment is a Monaco D-21 located in Building 239, Base Fire Station. Contractor shall make final hook up and transmit a coded signal to the Base Fire Station. Coordinate testing with Contracting Officer who will provide the ZID (Zone IDentification) Number for each transmitted zone.

2.07 POWER SUPPLY:

A. Primary power supply shall be low voltage, rectified and filtered 24-volt direct current.

Rectifiers shall be of the solid state type. Point of connection shall be on the supply side of the main service switch through a fire alarm disconnect switch, fused at 15 amperes. The connection shall comply with applicable requirements of Standard 72 of the National Fire Protection Association and Article 230-82 of the National Electrical Code. Power supply wiring shall be in conduit or metallic tubing. Transformer, rectifier, resistor, and other required power supply components shall be incorporated in the control unit.

B. Stand-by Power Supply: Stand-by power that will insure operation of all of the fire alarm devices within the protected building in the event of power failure shall be provided by a storage battery with an automatic transfer switch.

1. The transfer to and from the battery shall be automatic upon failure and restoration of the primary power supply.

2. Transfer to the battery shall cause a trouble signal to sound at the local control panel and a trouble signal to be transmitted to the base Fire Station.

3. The battery shall be housed in the control unit, transmitter cabinet or in a separate cabinet if sufficient room is not available. If a separate cabinet is used, it shall be directly nippled to the control unit cabinet or the transmitter cabinet. The auxiliary cabinet shall be keyed the same as the main panel. Positive separation shall be provided to prevent contact between cell terminals, and between terminals and the cabinet.

4. Battery backup shall be capable of operating the system for 24 hours in supervisory mode and, after the 24-hour reserve time has elapsed, shall sound all alarms for a period of fifteen minutes. The built-in charger shall:

a. operate in the automatic mode

b. maintain the batteries fully charged

c. be rated to recharge fully discharged batteries in 24 hours

2.08 DISCONNECT SWITCHES:

Fused disconnect switches supplying power to fire alarm equipment shall be lockable in both positions, be rated “heavy-duty”, be painted RED and properly identified per the NEC.

2.09 REMOTE ANNUNCIATION:

A. Standard: Provide supervised remote annunciator including audible and visual indication of up to 16 fire alarm Zone Alarms, as well as trouble indications. Visual annunciation of alarm and trouble may be by LED or LCD. Panel shall be semi-flush mounted and contain an audible alert, common trouble, drill switch, reset switch, power “ON” LED and push-button control. Annunciator shall be equal to Notifier LCD-80, ACM-16AT or approved equal.

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B. Graphics: When a system is divided into four or more reporting zones, a supervised graphic annunciator constructed of engraved phenolic or metal material shall be installed at the location shown on the drawings. The engraving shall show the complete floor plan of the building divided up to indicate the alarm zones and have LED’s to indicate which zone or zones are in alarm. Drawing of the graphic design shall be approved by the CO before engraving. Unit shall have a system trouble indication. Unit shall be mounted semi-flush to wall. Unit shall have keyed switches for “Lamp Test”, “Trouble Silence” and “System Reset”.

Annunciator shall be equal to Simplex “GP4” series.

PART 3 - EXECUTION

3.01 INSTALLATION:

System components shall be securely fastened to their support independently of the wiring.

Runs of conduit, wire and cable shall be straight, neatly arranged, properly supported, and parallel or perpendicular to walls and partitions. Junction boxes shall be painted red and shall be accessible for proper inspection and troubleshooting. Installation of wiring and fire detecting circuit shall conform to NFPA Standard No. 72.

3.02 WIRING:

A. The contractor shall furnish and install, in accordance with the manufacturer’s instructions, all wiring, conduit and outlet boxes required to complete the system as described herein and as shown on the plans. All wiring shall be in conduit/raceway and shall comply with the requirements of applicable sections of Division 16 herein and the National Electrical Code.

B. Wire size shall be as specified by the equipment manufacturer but in no case smaller than 18AWG. Surface mounted conduit is allowed only in Mechanical Rooms. Use surface metal raceway equal to Wiremold or Walker Duct only where indicated on drawings. All surface metal raceway shall be painted to match wall finish as directed by the Contracting Officer.

3.03 ALARM EQUIPMENT:

A. Locate audio/visual devices and manual boxes approximately as shown on the approved shop drawings.

B. Mount alarm audio/visual devices 80 inches above the finished floor or 6 inches below the bottom surface of the ceiling, whichever is lower.

C. Mount manual fire alarm pull stations so that top of the box is 48 inches above finish floor.

3.04 SMOOTH SURFACE

For the purpose of this specification, a surface shall be considered smooth where not broken as a result of variances in elevation or by obstruction such as structural members, ducts, or similar conditions having a depth of 10 or less inches.

3.05 DETECTOR SPACING

The spacing on smooth surfaces shall not exceed the distance recommended by the testing and approving laboratory for the particular device installed. In areas where irregularities exceed those described, the detector spacing shall be reduced to provide detection coverage equaling or exceeding that required for smooth surfaces. An open area underneath a deck, mezzanine, or floor landing of a stairway having a minor linear dimension of four or more feet shall be considered a separate subdivision and protected accordingly.

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3.06 FIRE WALLS

Seal around all conduits passing through fire walls with rated fire stop material.

3.07 REPAIR OF EXISTING WORK

The work shall be carefully laid out in advance. Cutting, channeling, chasing, or drilling of floors, walls, partitions, ceilings or other surfaces necessary for the proper installation, support or anchorage of the conduit or other work shall be carefully done. Damage to buildings, piping, or equipment shall be repaired and refinished by skilled mechanics of the trades involved at no cost to the Government.

3.08 TESTING:

After complete installation of the equipment and system testing by contractor, at the time as directed by the Contracting Officer, the Contractor shall conduct tests to demonstrate that operating and installation requirements of this specification have been met. This certification test shall not be scheduled until after approval of pre-final inspection submittal. Test shall be witnessed by and coordinated with the alarm shop. Testing shall comply with NFPA 72 and UFC 3-600-01 including requirements for intelligibility where voice enunciation is used.

Contractor shall provide all personnel and equipment required for testing.

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APPENDIX – A

STANDARD DETAILS

Figure 1: List of Standard Details

DETAIL DETAIL DESCRIPTION

ELEC-1 TYPICAL FIRE ALARM (F.A.) SYSTEM RISER DIAGRAM

ELEC-2 TYPICAL F.A. ANTENNA INSTALLATION DETAIL

ELEC-3 TYPICAL DETECTOR MOUNTING DETAIL

ELEC-4 TYPICAL EXIT SIGN MOUNTING DETAIL

ELEC-5 TYPICAL TRENCH DETAIL

PLUM-1 TYPICAL SPRINKLER SERVICE ENTRANCE

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ELECT-1: TYPICAL FIRE ALARM (F.A.) SYSTEM RISER DIAGRAM

ELECT-2: TYPICAL F.A. ANTENNA INSTALLATION DETAIL

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ELECT-3: TYPICAL DETECTOR MOUNTING DETAIL

ELECT-4: TYPICAL EXIT SIGN MOUNTING DETAIL

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ELECT-5: TYPICAL TRENCH DETAIL

PLUM-1: TYPICAL SPRINKLER SERVICE ENTRANCE

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END OF SECTION – FIRE DETECTION AND ALARM SYSTEM