Fire Alarm System
SECTION 28 31 00 - FIRE ALARM SYSTEM
PART 1 - GENERAL
1.01
RELATED DOCUMENTS
A. The following shall apply to this Section:
1. Drawings.
3. General Provisions of the Contract.
5. Solicitation Documents.
1.02
2.
4.
6.
General Conditions.
Supplementary Conditions.
Architectural Division.
WORK INCLUDES
A. Provide fire alarm system as shown on plans and herein specified.
B. Provide cable and conduit for complete operating system.
C. Fees, Permits, and Licenses. (See Section 26 00 10, 1.03, “Work Includes…”)
1.03
RELATED WORK
A. Section 26 05 33 - "RACEWAYS".
C. Section 26 05 19 - "WIRES AND CABLES".
E. Section 26 05 34 - "BOXES".
1.04
B. Section 26 05 53 - "ELECTRICAL IDENTIFICATION".
D. Section 26 01 26 - "TESTING".
SUBMITTALS
A. Product data in accord with General Conditions and Applicable Supplementary Conditions, Architectural
Division Section "SUBMITTALS", and Division 26 Section 26 00 20 "SUBMITTALS".
B. Shop drawings shall include but not be limited to the following:
1. Wiring schematic for project building showing equipment/device locations and wiring connection diagrams
for entire system, including riser diagrams.
2. A complete point to point wiring diagram of all devices including terminal connections to individual
modules in the Control Panel.
3. Clear description and complete data for each device being furnished.
4. NEMA, F.M., UL listings.
5. Rough-in boxes.
6. Provide emergency battery backup calculations for alarm and standby conditions. See paragraph 2.02, C.
for times required.
1.05
QUALITY ASSURANCE
A. Source quality control:
1. Ensure all equipment is new and of current design and manufacture.
2. All control equipment to be solid state.
3. All equipment shall meet ADA requirements.
4. All equipment shall be UL listed.
5. NFPA-72A.
B. All equipment shall be installed by workmen with a minimum of 4 years experience in the installation of similar
equipment.
C. SYSTEM SHALL BE FULLY OPERATIONAL, TESTED, AND A MANUFACTURER'S WRITTEN
CERTIFICATION ISSUED BEFORE BUILDING IS OCCUPIED.
1.06
SYSTEM DESCRIPTION
A. Existing, ADDRESSABLE, automatic local fire alarm and detection system. Initiating devices shall include
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Fire Alarm System
manual pull stations, ceiling smoke detectors, and duct smoke detectors (see below) as indicated on drawings.
Alarm devices shall be horns and flashing visible alarms and visible only where indicated. Interlock system with
ventilation equipment as shown on plans. Interlock system with remote annunciator panel where shown on plans.
B. The integrated fire alarm system shall be fully programmable and shall not depend on zones for annunciation of
alarms. The system of wiring shall allow for expansion without modification of the main panel other than
programming. No end-of-line resistors shall be required. All devices in the system shall be identifiable at the
main panel.
1.07
PRODUCT DELIVERY, STORAGE AND HANDLING
A. Deliver equipment in time to maintain approved construction schedule.
B. Store in safe, dry location. Protect from dust, moisture, weather and extreme temperatures.
C. Follow manufacturer's recommendation for transportation, handling and storage.
1.08
MAINTENANCE AND SERVICE
A. Except as required by warranty provision, no maintenance or service is included in this Contract.
PART 2 - PRODUCTS
2.01
ACCEPTABLE MANUFACTURERS
A. Notifier.
B. Any design changes necessitated by the use of equipment other than from the manufacturers listed in the
equipment schedules, are the responsibility of the contractor. See Specifications, Section 20 01 00, 1.06 - F.
2.02
SYSTEM OPERATION
A. Actuation of any alarm initiating device shall cause the following to occur:
1. Continuously sound all alarm devices until fire alarm system is cleared or silenced.
2. All controlled air handling equipment shall shut down.
3. Flash an alarm lamp in the control panel.
4. Alarm devices may be silenced by an "Alarm Acknowledged" or "Reset" pushbutton on control panel;
however, a subsequent alarm shall cause the alarm devices to resound.
5. Register the location of the alarm on zone annunciators and remote annunciator where indicated.
6. All doors held open shall be released.
7. If shown on drawings, activation of the heat detectors in the elevator equipment room or elevator shaft shall
operate the elevator shunt trip circuit breaker.
8. If shown on drawings, activation of any smoke detectors located in the elevator machine room, hoist way or
lobby shall provide for a signal (contact closure) for elevator capture. Coordinate with elevator supplier.
9. Transmit alarm or trouble condition to the Owner's selected central station via commercial telephone lines.
10. Delayed egress locks shall unlock.
B. Power failures, opens, grounds, or malfunction of system components shall cause a trouble signal to be
registered at the control panel, at the zone annunciators.
C. System shall operate on 120 VAC power and automatically transfer to standby batteries upon loss of power.
Batteries shall have the capability of operating the system in a standby mode with normal power disconnected
for at least 24 hours and still be capable of operating the system in an alarm condition for 15 minutes.
2.03
FIRE ALARM CONTROL PANEL
A. Fire alarm control panel is a notifier NFS-640 all new devices shall be compatible with existing system.
1. Power supply as required by alarm device load.
2. Provide new rechargeable lead acid batteries.
3. Battery charger. Automatic dual rate with a volt/ ammeter to monitor the battery condition and a "Charger
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Fire Alarm System
Failure" LED.
2.04
ALARM DEVICES
A. Unless otherwise noted on plans, alarm devices shall be audible/visible type. Audible alarm shall be a 24 volt
DC parallel connected horns with minimum output of 87 dB at 10 feet. Visible alarms shall be a selectable 15,
30, 75 or 110 candela (minimum 177 candela in handicapped sleeping rooms), 24 volt DC lamp with selfcontained flasher. Lamp shall be covered by a Lexan lens with "FIRE" factory imprinted. Audible and visible
alarm shall be mounted in a common enclosure. 85 dB, Pizeo "mini-horns" may be used where shown. Minihorns are not allowed except where shown on plans.
B. Where shown on plans, provide visible alarm devices only.
C. All signal devices shall meet Americans with Disabilities Act requirements.
D. Mount at 90” above finish floor unless otherwise specified on plans.
E. Existing signaling alarm devices are Gentex. New devices shall also be Gentex to allow for proper
synchronization.
2.05
MANUAL PULL STATIONS
A. Single action, non-breakglass type initiating station with pull-down lever, flush mounting. Station housing shall
be constructed of high impact Lexan, red in color with white lettering.
B. Mount at a maximum of 48” above finished floor.
2.06
SMOKE DETECTORS
A. All detectors shall be photoelectric type. Sensitivity of the detectors shall be field adjustable and a check of
sensitivity shall be possible while the detector is installed and operating. Detectors shall have flashing light to
indicate normal operation. Provide detectors with normally open auxiliary contacts for annunciator circuit.
B. Duct smoke detectors will have sampling tube and contacts for interlocking the associated air handling
equipment fan(s). Duct smoke detectors may be specified under Mechanical Divisions. Coordinate the
installation and connection as required.
C. The detector shall be UL Listed for compatibility with the fire alarm control panel and shall obtain its operating
power from the alarm initiating circuit.
D. Removal of the detector head shall interrupt the supervisory circuit and activate a trouble signal at the control
panel. It shall be possible to alarm the duct detector by using the remote stations.
E. Duct detector shall be furnished with a remote test switch equipped with alarm and power pilot lights.
F. Ceiling detectors shall be listed to UL Standard 268 and shall be documented compatible with the control
equipment to which they are connected. The detectors shall contain a locking screw to discourage unauthorized
removal of the head from the base.
G. The detectors shall have 30-mesh insect screens, and have completely closed backs to restrict entry of dust and
air turbulence. Electronics of the unit shall be completely shielded to protect against false alarms from EMI and
RFI. The detector head shall be easily disassembled to facilitate cleaning.
H. The detectors shall contain a red LED that shall pulse to indicate power on and shall glow continuously to
indicate alarm. The detector shall contain a functional test switch (magnetically operated) that, when operated,
will test the electronics of the unit and put it into alarm.
2.07
REMOTE ANNUNCIATOR
A. Remote annunciator shall be the LED type and shall provide the following functions/information:
1. The Remote LCD Annunciator shall use the same Primary Acknowledge, Silence, and Reset Keys, Status
LEDs and LCD Display as the FACP.
2. Should an abnormal condition be detected the appropriate LED (Alarm, Supervisory or Trouble) shall flash.
The unit audible signal shall pulse for alarm conditions and sound steady for trouble and supervisory
conditions.
3. The LCD shall display a 40 character custom location label, type of device and point status.
4. Operator keys shall be key switch enabled to prevent unauthorized use. The key shall only be removable in
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the disabled position. Acknowledge, Silence and Reset operation shall be the same as the FACP.
2.08
CABLE
A. Alarm and initiating circuit wiring and annunciator wiring shall be of type recommended by equipment
manufacturer. Cable shall be UL listed for use with local protective signaling systems.
B. All cable shall be rated for use in air handling ceiling plenum spaces where it is to be installed in such spaces.
2.09
MAGNETIC DOOR HOLDERS
A. Magnetic door holders shall be the UL listed.
B. Shall provide 25 lbs. (minimum) of holding force.
C. Units are equipped for wall or floor mounting as indicated and are complete with matching door plate. Unit shall
operate from a 120VAC, a 24VAC or a 24VDC source.
2.10
HEAT DETECTORS
A. Heat detectors shall be the fixed temperature type with 135°F. temperature rating.
1. Heat detectors in hazardous locations shall be explosion proof. Others shall be the "low profile" type, white
in color.
2. Thermal sensor shall be of the epoxy encapsulated electronic design. It shall be thermistor-based, ratecompensated, self-restoring and shall not be affected by thermal lag.
2.11
NAC POWER EXTENDER
A. The IDNet NAC Power Extender panel shall be a stand-alone panel capable of powering a minimum of 4
notification appliance circuits.
B. Alarms from the host fire panel shall signal the NAC power extender panel to activate. The panel shall monitor
itself and each of its NACs for trouble conditions and shall report trouble conditions to the host panel.
PART 3 - EXECUTION
3.01
INSTALLATION
A. All wiring shall comply with NEC Section 760-3 and NFPA Pamphlet 72.
B. Comply with equipment manufacturer's wiring instructions.
C. All wiring shall be continuous from terminal to terminal or from terminal to device pigtail lead. Wiring shall be
color coded and color coding scheme shall be used consistently.
D. Fire alarm system wiring shall be in conduit (EMT) wherever exposed below 15’-0” above finish floor. Where
permitted by NFPA 72, open wiring may be utilized. Secure all open wiring neatly by approved methods.
E. Device boxes shall be flush mounted unless noted otherwise.
3.02
INSTRUCT OWNER'S PERSONNEL
A. See Section 26 00 20 - “Contract Close-out & Commissioning.
3.03
CERTIFICATION
A. See Section 26 00 20 - “Contract Close-out & Commissioning.”
END OF SECTION 28 31 00
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