Attch 23 - 28 31 65 Addressable System.docx

Solicitation No.: FA4800-11-R-0001 Attachment 23

AMENDMENT 0005

SECTION 28 31 65

FIRE DETECTION AND ALARM SYSTEM, ADDRESSABLE

PART 1 GENERAL

1.1 REFERENCES

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.

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI S3.41 (1990; R 1996) Audible Emergency Evacuation Signals

CODE OF FEDERAL REGULATIONS (CFR)

47 CFR 15 (2002) Radio Frequency Devices

FACTORY MUTUAL ENGINEERING AND RESEARCH (FM)

FM P7825a (2003) Approval Guide Fire Protection

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE C62.41 (2002) Surge Voltages in Low-Voltage AC Power Circuits

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2002) National Electrical Code

NFPA 72 (2002) National Fire Alarm Code

NFPA 90A (2002) Installation of Air Conditioning and Ventilating Systems

NFPA 1221 (2002) Installation, Maintenance and Use of Public Fire Service Communication Systems

UNDERWRITERS LABORATORIES (UL)

UL 6 (2000) Rigid Metal Conduit

UL 38 (1999) Manually Actuated Signaling Boxes for Use with Fire-Protective Signaling Systems

UL 228 (1997) Door Closers-Holders, With or Without Integral Smoke Detectors

UL 268 (1996; Rev thru Jun 1998) Smoke Detectors for Fire Protective Signaling Systems

UL 268A (1998) Smoke Detectors for Duct Applications

UL 464 (1996; Rev May 1997) Audible Signal Appliances

UL 521 (1999) Heat Detectors for Fire Protective Signaling Systems

UL 632/ANSI C33.41 (2000) Electrically-Actuated Transmitters

UL 797 (2000) Electrical Metallic Tubing

UL 864 (1996) Control Units for Fire-Protective Signaling Systems

UL 1242 (2000) Intermediate Metal Conduit

UL 1971 (2002) Signaling Devices for the Hearing Impaired

1.2 DESCRIPTION OF WORK

This work includes designing, and providing a new, complete, supervised, fully operational, addressable fire alarm system as described herein and on the contract drawings for Building xxxx. The system shall include all wiring, raceways, pull boxes, terminal cabinets, outlet and mounting boxes, control equipment, alarm and supervisory signal, initiating devices, alarm notification appliances, radio transmitters, associated equipment and appurtenances required for a complete operating system even though each item is not specifically mentioned or described. The system layout on the drawings is generic. Equipment, materials, installation, workmanship, inspection and testing shall be in strict accordance with the required and advisory provisions of NFPA 72, except as modified herein. Devices and equipment for the fire alarm service shall be listed by Underwriters Laboratories, Inc., or approved by Factory Mutual. In the NFPA publications referred to herein, the advisory provisions shall be considered mandatory, although the word "shall" had been substituted for "should" wherever it appears, and reference to the "authority having jurisdiction" shall be interpreted to mean the LAFB Fire Department, Technical Services.

1.3 Material and EQUIPMENT

1.3.1 GENERAL REQUIREMENTS

The fire alarm system shall be a programmable addressable type fire alarm system. Alarm devices shall be installed complete with standard boxes and mounting hardware. Devices installed outside shall be weatherproof. The fire alarm system shall be provided with a minimum of 25 percent spare capacity for all signal lines, notification appliance circuits, audio/visual appliances and pull stations. The fire alarm system shall annunciate alarms and trouble signals at the base main fire station via a radio transmitter system. The radio transmitter system shall be completely compatible, operational and functional with the base radio receiving system. The complete fire alarm system shall comply with NFPA, UL, Factory Mutual and Langley Air Force Base requirements and standards.

1.3.2 Standard Products

Material and equipment shall be the standard products of a manufacturer regularly engaged in the manufacture of the products for at least 2 years prior to bid opening. Equipment shall be supported by a service organization that can provide service within 24 hours of notification.

1.3.3 Service Conditions

Equipment provided under this section shall be installed in locations where conditions do not exceed the following:

a. Ambient Temperature 15C-30C(60F-86F)

b. Humidity 10%-85% at 30C (86F) noncondensing.

1.3.4 Nameplates

Major components of equipment shall have the manufacturer's name, address, type or style, voltage and current rating, and catalog number on a noncorrosive and nonheat-sensitive plate which is securely attached to the equipment.

1.3.5 Keys and Locks

Locks shall be keyed alike. Four keys for the system shall be provided.

1.3.6 Tags

Tags with stamped identification number shall be furnished for keys and locks.

1.3.7 Verification of Dimensions

After becoming familiar with details of the work, the Contractor shall verify dimensions in the field and shall advise the Contracting Officer of any discrepancy before performing the work.

1.3.8 Compliance

The fire detection and alarm system and the central reporting system shall be configured in accordance with NFPA 72 except as modified. The equipment furnished shall be compatible and be UL listed, FM approved, or approved or listed by a nationally recognized testing laboratory in accordance with the applicable NFPA standards.

1.3.9 QUALITY REQUIREMENTS

All materials and equipment shall be UL listed. The Contractor shall submit proof that the items furnished under this specification conform to this requirement. Only currently manufactured equipment shall be installed. Availability of replacement parts shall be guaranteed for a minimum of one year after installation.

1.3.10 FIRE ALARM EQUIPMENT

All removed fire alarm equipment, excluding conduit and wiring, shall remain the property of the Government and shall be turned over by the Contractor to the 1CES/CEOIE Shop, Building 328.

1.4 Contractor Qualifications

The system shall be installed by an experienced firm regularly engaged in the installation of automatic fire detection and alarm systems in accordance with NFPA standards and as specified further in the specifications. The Contractor must be certified by the manufacturer of the fire alarm equipment to install and test the alarm system. Certification or proper installation in accordance with NFPA standards shall be submitted by the Contractor or representative of the manufacturer of the alarm upon completion of the installation.

1.4.1 Engineer and Technician

a. Registered Professional Engineer with verification of experience and at least 4 years of current experience in the design of the fire protection and detection systems.

b. National Institute for Certification in Engineering Technologies (NICET) qualifications as an engineering technician in fire alarm systems program with verification of experience and current NICET certificate.

c. The Registered Professional Engineer may perform all required items under this specification. The NICET Fire Alarm Technician shall perform only the items allowed by the specific category of certification held.

1.4.2 Installer

The installing Contractor shall provide the following: NICET Fire Alarm Technicians to perform the installation of the system. A NICET Level 3 Fire Alarm Technician shall supervise the installation of the fire alarm system. NICET Level 2 or higher Fire Alarm Technician shall install and terminate fire alarm devices, cabinets and panels. A state licensed electrician or NICET Level 1 Fire Alarm Technician shall install conduit for the fire alarm system. The Fire Alarm technicians installing the equipment shall be factory trained in the installation, adjustment, testing, and operation of the equipment specified herein.

1.4.3 Design Services

Installations requiring designs or modifications of fire detection, fire alarm, or fire suppression systems shall require the services and review of a qualified fire protection engineer. For the purposes of meeting this requirement, a qualified fire protection engineer is defined as an individual meeting one of the following conditions:

a. An engineer having a Bachelor of Science or Masters of Science Degree in Fire Protection Engineering from an accredited university engineering program, plus a minimum of 2 years' work experience in fire protection engineering.

b. A registered professional engineer (P.E.) in fire protection engineering.

c. A registered PE in a related engineering discipline and member grade status in the National Society of Fire Protection Engineers.

d. An engineer with a minimum of 10 years' experience in fire protection engineering and member grade status in the National Society of Fire Protection Engineers.

1.5 SYSTEM DESIGN

1.5.1 Operation

The fire alarm and detection system shall be a complete, supervised, noncoded, addressable fire alarm system conforming to NFPA 72. The system shall be activated into the alarm mode by actuation of any alarm initiating device. The system shall remain in the alarm mode until the initiating device is reset and the fire alarm control panel is reset and restored to normal. Alarm initiating devices shall be connected to signal line circuits (SLC), Style 6, Class A in accordance with NFPA 72. Alarm notification appliances shall be connected to notification appliance circuits (NAC), Style Z, Class A in accordance with NFPA 72. A looped conduit system shall be provided so that if the conduit and all conductors within are severed at any point, all NAC and SLC will remain functional. The conduit loop requirement is not applicable to the signal transmission link from the local panels (at the protected premises) to the Supervising Station (fire station, fire alarm central communication center). Textual, audible and visual appliances and systems shall comply with NFPA 72. Fire alarm system components requiring power, except for the control panel power supply, shall operate on 24 Volts dc. Addressable system shall be microcomputer (microprocessor or microcontroller) based with a minimum word size of eight bits and shall provide the following features:

a. Sufficient memory to perform as specified and as shown for addressable system.

b. Individual identity of each addressable device for the following conditions: alarm; trouble; open; short; and appliances missing/failed remote detector - sensitivity adjustment from the panel for smoke detectors

c. Capability of each addressable device being individually disabled or enabled from the panel.

d. Each SLC shall be sized to provide 40 percent addressable expansion without hardware modifications to the panel.

1.5.2 Operational Features

The system shall have the following operating features:

a. Monitor electrical supervision of SLC, and NAC.

b. Monitor electrical supervision of the primary power (ac) supply, battery voltage, placement of alarm zone module (card, PC board) within the control panel, and transmitter tripping circuit integrity.

c. A trouble buzzer and trouble LED/LCD (light emitting diode/liquid crystal diode) to activate upon a single break, open, or ground fault condition which prevents the required normal operation of the system. The trouble signal shall also operate upon loss of primary power (ac) supply, low battery voltage, removal of alarm zone module (card, PC board), and disconnection of the circuit used for transmitting alarm signals off-premises. A trouble alarm silence switch shall be provided which will silence the trouble buzzer, but will not extinguish the trouble indicator LED/LCD. Subsequent trouble and supervisory alarms shall sound the trouble signal until silenced. After the system returns to normal operating conditions, the trouble buzzer shall again sound until the silencing switch returns to normal position, unless automatic trouble reset is provided.

d. A one person test mode. Activating an initiating device in this mode will activate an alarm for a short period of time, then automatically reset the alarm, without activating the transmitter during the entire process.

e. A transmitter disconnect switch to allow testing and maintenance of the system without activating the transmitter but providing a trouble signal when disconnected and a restoration signal when reconnected.

f. Evacuation alarm silencing switch which, when activated, will silence alarm devices, but will not affect the zone indicating LED/LCD nor the operation of the transmitter. This switch shall be over-ridden upon activation of a subsequent alarm from an unalarmed device and the NAC devices will be activated.

g. Electrical supervision for circuits used for supervisory signal services (i.e., sprinkler systems, valves, etc.). Supervision shall detect any open, short, or ground.

h. The fire alarm control panel shall provide supervised addressable relays for HVAC shutdown. An override at the HVAC panel shall not be provided.

i. Provide alarm verification capability for smoke detectors.

j. Provide switches in a locked portion of the FACP to bypass the automatic notification appliance circuits, air handler shutdown and door release disconnect features. Operation of these switches shall indicate this action on the FACP display and printer output. Activation of these switches shall operate the system trouble signals.

k. All alarm signals shall be automatically transmitted to the fire department.

l. Alarm functions shall override trouble or supervisory functions, supervisory functions shall override trouble functions.

m. The control panel and field panels shall be software reprogrammable to enable expansion or modification of the system without replacement of hardware or firmware by the end user. All programmed information shall be stored in non-volatile memory. The Contractor shall provide all software necessary for programming as required for completely programming and re-programming by the end-user. Examples of required changes are: adding or deleting devices or zones; changing system responses to particular input signals; programming certain input signals to activate auxiliary devices.

n. The system shall be capable of operating, supervising and/or monitoring both addressable and non-addressable devices which may be in alarm simultaneously.

o. There shall be no limit, other than maximum system capacity, as to the number of addressable devices which may be in alarm simultaneously.

p. Where the fire alarm system is responsible for initiating and action in another emergency control device or system, such as HVAC system the addressable fire alarm relay shall be within 3 feet of the emergency control device.

1.5.3 Alarm Functions

Upon activation of an alarm signal the following shall be automatically initiated.

a. Transmission of alarm signals to the fire department.

b. Visual indications of the alarmed devices on the fire alarm control panel display.

c. Continuous sounding or operation of alarm notification appliances throughout the building as required by ANSI S3.41.

d. Closure of doors held open by electromagnetic devices.

e. Operation of the smoke control system.

f. Shutdown of power to the data processing equipment in the alarmed area.

g. Automatic discharge of the designated fire suppression systems. A 15 second maximum delay shall be provided for the deluge system, a 30 second delay for the wet pipe system.

e. Deactivation of the air handling units throughout the building.

1.5.4 Primary Power

Operating power shall be provided as required by paragraph Power Supply for the System. Transfer from normal to emergency power or restoration from emergency to normal power shall be fully automatic and not cause transmission of a false alarm. Loss of ac power shall not prevent transmission of a signal via the fire reporting system upon operation of any initiating circuit.

1.5.5 Battery Backup Power

Battery backup power shall be through use of rechargeable, sealed-type storage batteries and battery charger.

1.5.6 Interface With other Equipment

Interfacing components shall be furnished as required to connect to subsystems or devices which interact with the fire alarm system, such as supervisory or alarm contacts in suppression systems, operating interfaces for smoke control systems, door releases, etc.

1.6 TECHANICAL DATA AND COMPUTER SOFTWARE

Data to be submitted shall include complete system, equipment and software descriptions. Descriptions shall show how the equipment will operate as a system to meet the performance requirements of this contract. The data package shall also include the following:

(1) Identification of programmable portions of system equipment and capabilities.

(2) Description of system revision and expansion capabilities and methods of implementation detailing both equipment and software requirements.

(3) Provision of operational software data on all modes of programmable portions of the fire alarm and detection system.

(4) Description of Fire Alarm Control Panel equipment operation.

(5) Description of auxiliary and remote equipment operations.

(6) Library of application software.

(7) Operation and maintenance manuals as specified in the Submittals paragraph.

1.7 SUBMITTALS

Submit the following in accordance with Section 01110, Special Conditions.

Manufacturer’s Catalog Data

Fire Alarm Control Panel (FACP), addressable manual stations, batteries, battery charger, smoke detectors, heat detectors, audiovisual alarms, visual alarms, addressable interface devices, and addressable relays, transmitters.

Shop Drawings

Submit shop drawings not less than 18 inches by 24 inches. Drawings shall be prepared and signed by a registered professional engineer (Fire Protection Engineer) or NICET level 3 fire alarm technician. As a minimum, the shop drawing submittal should include the following:

a. A complete description of the system operation

b. A complete list of device addresses and corresponding messages

c. Include annotated catalog data showing manufacturer's name, model, voltage and catalog numbers for all equipment and components.

d. Provide point-to-point-wiring diagrams showing the points of connection and terminals used for all electrical field connections in the system. Diagrams shall include all interconnections between the equipment and systems which are supervised or controlled by the system. Diagrams shall show all connections from field devices to the FACP and remote fire alarm control units, initiating circuits, switches, relays and terminals.

e. Provide complete riser diagrams indicating the wiring sequence of all devices and their connections to the control equipment. Include a color code schedule for the wiring. Include floor plans showing the locations and addresses of all devices and equipment.

f. Provide data on each circuit to indicate that there is at least 25% spare capacity for notification appliances, 25% spare capacity for initiating devices, and provide data to indicate that the notification appliance circuits (NAC) have sufficient capacity to simultaneously drive all fire alarm notification appliances plus 20% spare capacity.

As-Built Drawings

Prepare and submit to the Contracting Officer, one set of detailed "As-Built Drawings.” The drawings shall include complete wiring diagrams showing connections between all devices and equipment, both factory and field wired. Include a riser diagram and drawings showing as-built location of all devices and equipment. The drawings shall show the system as installed including all deviations from both the contract drawings and the approved shop drawings. The drawings shall be prepared on uniformed sized sheets not less than 24 inches by 36 inches. These drawings shall be submitted within two weeks after the final acceptance test of the system.

a. Record Drawing Software

Provide one (1) set of floppy diskettes containing AUTOCAD Version 14 or later based drawings in DWG or DXF format of all as-built drawings and schematics.

Data

a. Battery power calculations

Substantiating battery calculations for supervisory and alarm power requirements. Ampere-hour requirements for each system component and each panel component, and the battery recharging period shall be included.

b. Voltage Drop

Voltage drop calculations for notification appliance circuits to indicate that sufficient voltage is available for proper appliance operation.

c. Spare Parts

Spare parts data for each different item of material and equipment specified. Data shall include a complete list of parts and supplies with the current unit prices and source of supply and a list of the parts recommended by the manufacturer to be replaced after 1 year of service.

Technical Data and Computer Software

Technical data which relates to computer software.

Instructions

Training

Lesson plans, operating instructions, maintenance procedures, and training data, furnished in manual format, for the training courses. The operations training shall familiarize designated government personnel with proper operation of the fire alarm system. The maintenance training course shall provide the designated government personnel adequate knowledge required to diagnose, repair, maintain and expand functions inherent to the system.

Statements

Testing

Detailed test procedures, prepared and signed by a Registered Professional Engineer or a NICET Level 3 Fire Alarm Technician, for the fire detection and alarm system 14 days prior to performing system tests.

Reports

Testing

Test reports, in booklet form, showing field tests performed to prove compliance with the specified performance criteria, upon completion and testing of the installed system. Each test report shall document readings, test results and indicate the final position of controls. The Contractor shall include the NFPA 72 Certificate of Completion and NFPA 72 Inspection and Testing Form, with the appropriate test reports.

Certificates

Equipment

Certified copies of current approvals or listings issued by an independent test lab if not listed by UL, FM or other nationally recognized testing laboratory, showing compliance with specified NFPA standards.

Qualifications

Proof of qualifications for required personnel. The installer shall submit proof of experience for the Professional Engineer, fire alarm technician, and the installing company.

Operation and Maintenance Manuals

Technical Data and Computer Software

Three copies of operating manual outlining step-by-step procedures required for system startup, operation and shutdown. The manual shall include the manufacturer's name, model number, service manual, parts list and complete description of equipment and their basic operating features. Three copies of maintenance manual listing routine maintenance procedures, possible breakdowns and repairs, and troubleshooting guide. The manuals shall include conduit layout, equipment layout and simplified wiring, and control diagrams of the system as installed. The manuals shall include complete procedures for system revision and expansion, detailing both equipment and software requirements. Original and backup copies of all software delivered for this project shall be provided, on each type of media utilized. Manuals shall be approved prior to training.

1.7 INSTRUCTION OF GOVERNMENT EMPLOYEES

1.7.1 Instructor

Include in the project the services of an instructor, who shall have received specific training from the manufacturer for the training of other persons regarding the inspection, testing and maintenance of the system provided. The instructor shall train the Government employees designated by the Contracting Officer, in the care, adjustment, maintenance, operation of the fire alarm system.

1.7.2 Qualifications

Each instructor shall be thoroughly familiar with all parts of this installation. The instructor shall be trained in operating theory as well as in practical operation and maintenance work.

1.8 DELIVERY, STORAGE AND HANDLING

Protect equipment delivered and placed in storage from the weather, humidity and temperature variation, dirt and dust, and other contaminants.

PART 2 PRODUCTS

2.1 CONTROL PANEL

Control panel shall be installed as part of the system in the building and shall be approved for use with the fire-detecting equipment, manual fire-alarm boxes or stations, and indicating appliances and all other devices. Control panel shall be modular type. Control panel shall comply with the applicable requirements of UL 864. The control panel shall be located where indicated and shall be housed in a substantial steel cabinet with lock and key. Control panel shall be a clean, uncluttered, and orderly assembled panel containing components and equipment required to provide the specified operating and supervisory functions of the system. The panel shall have prominent rigid plastic, phenolic or metal identification plates for LED/LCDs, zones, SLC, controls, meters, fuses and switches. Nameplates for fuses shall also include ampere rating. Control panel switches shall be within the locked cabinet. If more than one modular unit is required to form a control panel, the units shall be installed in a single cabinet large enough to accommodate units. The control unit shall provide power, supervision, control and logic for the entire system, utilizing solid state, modular, components, internally mounted and arranged for easy access. Each control unit shall be suitable for operation on a 120 volt, 60 hertz, normal building power supply. The control panel shall include a suitable means for testing the system through each electrically supervised circuit. The panel shall be arranged so as to operate the alarm signaling devices in the event of fire and to continue operation until silenced by a switch within the unit cabinet. The control panel shall operate to allow an alarm from any device to be silenced, but allows subsequent alarms from other devices to resound the alarm. Status indicators (LEDs and/or LCD's) shall be plainly visible when the cabinet of the control panel is closed. Circuit boards shall be the modular plug-in type. All cabinet knockouts or holes shall be patched and sealed. Supervision of all alarm devices, including pull stations, signaling devices and detectors shall be maintained. Circuitry and zoning modules shall be Class "A". Individual supervisory LEDs shall be provided to monitor the primary power, the charger, the batteries and wiring, for "ground fault". The panel shall include a test switch to test all LEDs. Loss of power, including batteries, shall not require the manual reloading of a program. Upon restoration of power, startup shall be automatic, and shall not require any manual operation. The loss of primary power or the sequence of applying primary or emergency power shall not affect the transmission of alarm, supervisory or trouble signals. Visual annunciation shall be provided for LED/LCD visual display as an integral part of the control panel and shall identify with a word description and ID number each device. Cabinets shall be provided with ample gutter space to allow proper clearance between the cabinet and live parts of the panel equipment. Cabinets shall be painted red. In addition, the control panel shall have an on/off switch to de-energize the incoming A/C power.

2.1.1 Annunciator panel

Annunciator panel shall be part of the fire alarm control panel. An annunciator window shall be provided for each zone. Each zone annunciator shall include an amber trouble lamp (LED) and a red alarm lamp (LED). Each lamp shall provide specific identification of the zone area by means of a permanently attached rigid plastic or metal sign with either raised or engraved letters. In no case shall zone identification consist of the words "Zone 1, Zone 2," etc., but shall consist of the description of the device locations. Zoning shall be as shown on the drawings. All spare annunciators shall be labeled as such. Spare zones shall be active, Class "A", plug-in modules installed in the control panel. A warranty card shall be firmly attached in the control panel, providing general warranty information; such as contract number, project number, name and phone number of the Contractor, effective dates of the warranty, etc. Near the annunciator panel a one-line drawing shall be provided; indicating the general room arrangement of the detector and alarm locations, zone configuration and wiring order of all devices. In mechanical rooms and similar shop area, these one-line drawings shall be installed in a picture frame with glass cover. In other finished areas, such as hallways and offices, these drawings shall be installed in plastic protected covers and shall be located within the panel.

2.1.2 Circuit Connections

Circuit conductors entering or leaving the panel shall be connected to screw-type terminals with each conductor and terminal marked for identification.

2.1.3 System Expansion and Modification Capabilities

Any equipment and software needed by qualified technicians to implement future changes to the fire alarm system shall be provided as part of this contract.

2.1.4 Addressable Control Module

NOTE: Remove this paragraph when not required.

The control module shall be capable of operating as a relay (dry contact form C) for interfacing the control panel with other systems, and to control door holders or initiate elevator fire service. The module shall be UL listed as compatible with the control panel. The indicating device or the external load being controlled shall be configured as a Style Z notification appliance circuits. The system shall be capable of supervising, audible, visual and dry contact circuits. The control module shall have both an input and output address. The supervision shall detect a short on the supervised circuit and shall prevent power from being applied to the circuit. The control model shall provide address setting means compatible with the control panel's SLC supervision and store an internal identifying code. The control module shall contain an integral LED that flashes each time the control module is polled. [Existing fire alarm system notification appliance circuits shall be connected to a single module to power and supervise the circuit.]

2.1.5 Addressable Initiating Device Circuits Module

NOTE: Remove this paragraph when not required.

The initiating device being monitored shall be configured as a Style D initiating device circuits. The system shell be capable of defining any module as an alarm module and report alarm trouble, loss of polling, or as a supervisory module, and reporting supervisory short, supervisory open or loss of polling. The module shall be UL listed as compatible with the control panel. The monitor module shall provide address setting means compatible with the control panel's SLC supervision and store an internal identifying code. Monitor module shall contain an integral LED that flashes each time the monitor module is polled. Pull stations with a monitor module in a common backbox are not required to have an LED.

2.2 Primary Power

2.2.1 Primary Power Supply

Primary power supply shall be 120 volts AC service, transformed through a two winding isolation type transformer and rectified to 24 volts DC for operation of all circuit and devices. Rectifiers shall be of the solid state type. Power shall be provided from a single dedicated branch circuit via 20 amp lockable circuit breaker and fusible disconnect switch. Paint the circuit breaker and disconnect switch red and identify them by the lettered designation “FIRE ALARM SYSTEM POWER”. Disconnect switch shall be located adjacent to Fire Alarm Control panel and sized in accordance with NEC. The connection shall comply with applicable requirements of NFPA 72. 120 volt power-supply wiring shall be in conduit or metallic tubing. Transformer, rectifier, resistor(s) and other required power-supply components shall be incorporated in the control unit or a separate power-supply unit may be furnished and installed if approved for the application by the Contracting Officer.

2.2.2 Standby Power Supply

Provide standby power for operation of system in the event of failure of the AC source. The transfer to battery shall be automatic upon failure of the primary power supply; indicated by a trouble signal at the control alarm location; and arranged so there will be no strain on the battery except upon transfer and during a fire alarm. Restoration of primary power supply shall automatically disconnect the battery and reconnect the main supply. The batteries shall be housed in the control unit cabinet. To prevent rapid battery deterioration, positive separation shall be provided to prevent contact between cell terminals. Trickle charge shall be provided to maintain the emergency power supply at peak reserve power. The charger will automatically switch to a high rate charge if the battery voltage drops below full charge capacity.

2.2.2.1 Batteries

Back-up power shall consist of panel mounted, long-life, sealed, rechargeable gel cell batteries, of the power ampere-hours rating to operate the system and master box tripping circuits for a minimum of 24 hours under normal conditions, and to operate all audible signaling devices and transmission and control devices under alarm conditions for 15 minutes. Batteries shall be sized to allow for 20% growth in the alarm system. Calculations substantiating the above requirements shall be submitted by the Contractor to the Contracting Officer for approval before installation. Batteries shall be separated from the cabinet by a piece of non-conductive rubber material to provide additional corrosion protection

2.2.2.2 Battery Charger

Provide a solid state, fully automatic, variable charging rate battery Charger. The charger shall be capable of providing 100 percent of the connected system load and shall maintain the batteries at full charge, In the event the batteries are fully discharges the charger shall recharge them back to charge within 24 hours.

2.3 Manual Pull Stations

Provide noncoded, metal, surface-mounted, double action, addressable manual stations, with a key operated test-reset lock. Stations shall be located near exits in the approximate locations shown. Stations shall be a type not subject to operation by jarring or vibration. Surface-mounted boxes shall be painted the same color as the alarm station. Mount stations with the base at 4 feet 6 inches above finished floor. Stations shall be equipped with screw terminals of the proper number and type to perform function required. Stations which require the replacement of any portion of the device after activation are not permitted. Stations shall be metal finished in red, with instructions of contrasting color. Provide separate screw terminal for each conductor connected to the manual alarm station. Where weatherproof stations are required, provide stations with cast metal, weatherproof (NEMA 3R) housings with hinged access doors; finish housings with red enamel paint and provide permanently affixed engraved or raised-letter plastic or metal identification signs reading “FIRE ALARM” with white letters a minimum 3/4 inch high.

2.4 FIRE DETECTING DEVICES

Fire detecting devices shall comply with the applicable requirements of NFPA 72, NFPA 90A, UL 268, UL 268A, and UL 521. The detectors shall be provided as indicated. Actual locations shall be adjusted to avoid obstructions and to comply with NFPA standards. Detector base shall have screw terminals for making connections. No solder connections will be allowed. Detectors located in concealed locations (above ceiling, raised floors, etc.) shall have a remote visible indicator LED/LCD. Addressable fire detecting devices shall be dynamically supervised and uniquely identified in the control panel. All fire alarm initiating devices shall be individually addressable, except where indicated. Devices located in areas subject to moisture or exterior atmospheric conditions or hazardous locations as defined by NFPA 70, shall be types approved for such locations.

2.4.1 Heat Detectors

Provide analog addressable heat detectors as follows:

a. Heat detectors shall be fixed temperature (135 degrees F) type unless ceiling temperatures require a higher temperature rating in accordance with NFPA 72. Heat detectors installed in mechanical rooms, attics or other non cooled areas as specified shall be fixed temperature (190 degrees F). Detectors shall be spaced above all ceilings throughout the building in accordance with the requirements of NFPA 72 and manufacturers listed spacing. The use of rate of rise detectors shall be prohibited. Detectors shall be equipped with screw terminals for each conductor. Detectors shall not be supported from suspended acoustical tile ceiling. Detectors located in areas subject to moisture or exterior atmospheric conditions or hazardous locations as defined by NFPA 70, shall be types approved for such locations.

b. Provide detectors with a visual indicator below the suspended ceiling to show that the detector has operated.

2.4.2 Smoke Detectors

2.4.2.1 Photoelectric Smoke Detectors

Provide analog addressable photoelectric smoke detectors as follows:

a. Provide analog photoelectric smoke detectors utilizing the photoelectric light scattering principle for operation in accordance with UL217 and UL218. Smoke detectors shall be listed by UL or FM for use with the fire alarm control panel.

b. Provide self-restoring type detectors which do not require any readjustment after actuation to restore them to normal operation. Detectors shall be UL listed as Smoke-Automatic Fire Detectors.

c. All components shall be rust and corrosion resistant. Vibration shall have no effect on the detector's operation. Protect the detection chamber with a fine mesh metallic screen which prevents the entrance of insects or air born materials. The screen shall not inhibit the movement of smoke particles into the chamber.

d. Provide twist lock bases for the detectors. The detectors shall maintain contact with their bases without the use of springs. Provide companion mounting base with fixed wiring terminals. Terminate field wiring on the fixed terminals. The detector shall have a visual indicator to show actuation.

e. Detectors shall be equipped with screw terminals for each conductor.

f. The detector address shall identify the particular unit, its location within the system, and its sensitivity setting. Detectors shall be of the low voltage rated for use on a 24 VDC system. Sensitivity of detector shall be adjustable from FIRE ALARM CONTROL PANEL. Detector shall indicate when in need of maintenance.

2.4.2.2 Duct Smoke Detectors

Duct smoke detectors shall be analog addressable photoelectric type and be furnished and installed where indicated and in accordance with NFPA 90A. Required detectors shall be installed so as to allow convenient access for testing and cleaning. Detectors shall be powered from the fire alarm panel. Sampling tubes shall run the full width of the duct. The duct detector package shall conform to the requirements of NFPA 90A, UL 268A, and shall be UL listed for use in air-handling systems. The control functions, operation, reset and bypass shall be controlled from the fire alarm control panel. Lights to indicate the operation and alarm condition; and the test and reset buttons shall be visible and accessible with the unit installed and the cover in place. Detectors mounted above 6 feet and those mounted below 6 feet that cannot be easily accessed while standing on the floor, shall be provided with a remote detector indicator panel containing test and reset switches. Remote lamps and switches as well as the affected fan units shall be properly identified in etched plastic placards. Detectors shall have auxiliary contacts to provide control, interlock, and shutdown functions specified in Section 15950 HEATING, VENTILATING AND AIR CONDITIONING (HVAC) CONTROL SYSTEMS. The detectors shall be supplied by the fire alarm system manufacturer to ensure complete system compatibility. All wiring and controls required for compliance with this specification shall be furnished, installed and connected by the Contractor. Each air handler shall be individually zoned for annunciation in the control panel.

2.5 Notification Appliances

2.5.1 Audible Notification Appliances

Audible appliances shall conform to the applicable requirements of UL 464. Devices shall be connected into notification appliance circuits. Devices shall have a separate screw terminal for each conductor. Audible appliances shall generate a unique audible sound from other devices provided in the building and surrounding area. Audible signaling devices shall be heavy-duty type, 24 volts DC, mounted on the wall, below the ceiling, at least seven feet above the floor. Actual locations shall be adjusted as necessary to provide the required sound coverage. Devices shall be red in color. Horns shall produce a sound output rating of at least 90 decibels at 10 feet.

2.5.2 Visual Notification Appliances

Visual notification appliances shall conform to the applicable requirements of UL 1971 and the contract drawings. Appliances shall have clear high intensity optic lens, xenon flash tubes, and output white light. The strobe lens shall comply with the American with Disabilities Act (A.D. A.). The light pattern shall be disbursed so that it is visible above and below the strobe and from a 90 degree angle on both sides of the strobe. The strobe flash output shall be a minimum of 75 candela based on its location and higher in other areas per A.D.A., have a xenon flash tube, labeled, "FIRE" and flashed between 60 and 120 times per minute.

2.5.3 Combination Audible/Visual Notification Appliances

Combination audible/visual notification appliances shall provide the same requirements as individual units except they shall mount as a unit in standard backboxes. Units shall be factory assembled. Horns installed in open hangar or other high noise areas shall include a red visual indicator (light).

2.5.4 Connections

Provide screw terminals for each notification appliance. Terminals shall be designed to accept the size conductors used without modification.

2.6 Waterflow Detectors

a. Connect waterflow detectors into the fire alarm system.

2.7 TOOLS AND SPARE PARTS

The Contractor shall furnish any special tools necessary for the maintenance of the new equipment; one spare set of fuses for each control unit; one set of keys for each keyed device; one spare detector of each type and rating; one spare pull station, and one spare signaling device.

2.8 WIRING

Provide wiring under this section as specified in Section 16415 Electrical Work, Interior, with the additions and modifications specified herein.

2.8.1 System Field Wiring

2.8.1.1 Wiring Within Cabinets, Enclosures, Boxes, Junction Boxes and Fittings

Provide wiring installed in a neat and workmanlike manner and installed parallel with or at right angles to the sides and back of any box, enclosure or cabinet. All conductors which are terminated, spliced or otherwise interrupted in any enclosure, cabinet, mounting or junction box shall be connected to terminal blocks. Mark each terminal in accordance with the wiring diagram of the system. Make all connections with approved pressure type terminal blocks, which are securely mounted. The use of wire nuts or similar devices shall be prohibited.

2.8.1.2 Terminal Cabinets

Provide a terminal cabinet at the base of any circuit riser, on each floor at each riser, and where indicated on the drawings. Terminal size shall be appropriate for the size of the wiring to be connected. All conductor terminations shall be labeled and a drawing containing all conductors, their labels, their circuits and their interconnection shall be permanently mounted in the terminal cabinet. Minimum size is 6 inches x 6 inches.

2.8.1.3 Alarm Wiring

Signaling line circuits field wiring shall be stranded copper, No. 14 AWG size conductors at a minimum. Wire size shall be sufficient to prevent voltage drop problems. Circuits operating at 24 VDC shall not operate at less than 21.6 volts. Circuits operating at any other voltage shall not have a voltage drop exceeding 10 % of normal voltage- Power wiring, operating at 120 VAC minimum, shall be No. 12 AWG solid copper having similar insulation. Provide wiring in electrical metallic tubing in dry locations not enclosed in concrete or where not subject to mechanical damage. Provide rigid conduit in all other locations. Conceal conduit wherever practicable in existing construction. The use of flexible conduit not exceeding a six foot length shall be permitted in initiating device circuits. Run conduit or tubing concealed unless specifically shown otherwise on the drawings. Shielded wiring shall be utilized where recommended by the manufacturer. For shielded- wiring, the shield shall be grounded at only one point, which shall be in or adjacent to the FACP.

2.8.1.4 Conductor Terminations

Color coding is required for all circuits. Labeling of any circuit at terminal blocks in terminal cabinets, FACP, and remote fire alarm control unites shall be provided at each conductor connection. Each conductor or cable shall have a shrink-wrap label to provide a unique and specific designation.

2.8.1.5 Conductor Identification

All circuit conductors shall be identified within each enclosure where a tap, splice or termination is made. Conductor identification shall be by color-coding of wires. Coding shall be by types of device and zone. A typed directory with plastic cover, showing color code used shall be permanently attached to the inside cover of each new control panel. The color-coding shall also be indicated on the record drawings.

2.9 TRANSMITTERS

The main base station presently employs a Monaco Enterprise, Inc., Model D-700 Central Radio Transmitter/Receiver System, tuned for a VHF FM frequency of 143.55 MHz. The unit utilizes a Monaco Model BSA-1 Omni-Directional Antenna for transmitting and receiving. The building transmitter/receiver shall be of the coded type that is fully compatible with the central system. The transmitter shall be electrically supervised, designed to transmit coded fire alarm signals and distinctive code trouble signal over the tuned radio waves to the central alarm location. Transmission of a coded trouble signal shall automatically result in a break in a fire detecting circuit or interior manual fire-alarm box circuit or from failure of main power supply for transmitters or alarm bell operation. Provisions shall be made also for a restoration signal upon restoration of the transmitter, interior circuits and power supply to normal standby condition after a fire alarm or trouble signal. A fire-alarm signal consists of not less than three complete transmissions of a code number identifying the transmitter is acceptable as a trouble signal and one or more as a restoration signal. The transmitter shall come complete with a compatible omni-directional antenna, including mounting hardware and coaxial cable, necessary to provide an operational system. System shall be suitable for operating up to a range of 35 miles. The antenna system shall be grounded to a separate ground rod system, complete with lighting arrestor in rainproof enclosure with a minimum of a No. 6 ground conductor. The transmitter shall be housed in a lockable metal cabinet painted red inside and out. A stamped or engraved plate bearing the code number of the transmitter shall be securely attached to the front of the cabinet. The existing base central alarm is located in Building 367. The Contractor shall provide 3 spare zone modules.

PART 3 EXECUTION

3.1 INSTALLATION

Equipment, materials, installation, workmanship inspection, and testing shall be done in accordance with NFPA 70, NFPA 72, NFPA 90A and as modified herein.

3.1.1 Installation of fire alarm initiating and indicating devices

a. FACP: Locate the FACP where indicated on the drawings. Surface mount the enclosure with the top of the cabinet 6 feet above the finished floor or center of the cabinet 5-1/2 feet, whichever is lower. All conductor termination shall be labeled and a drawings containing all conductors, their labels, their circuits and their interconnection shall be permanently mounted in the FACP.

b. Manual Stations Locate manual stations where shown on the drawings. Mount stations so that their operating handles are 4.5 feet above the finished floor.

c. Notification Appliance Devices: Locate notification appliance devices where shown on the drawings. Mount assemblies on wall 80 inches above the finished floor or 6 inches below the ceiling whichever is lower. Ceiling mounted speakers shall conform to NFPA 72.

d. Smoke and Heat Detectors. Locate detectors on a 4 inch mounting box. Detectors located on the ceiling shall be installed not less than 4 inches from the wall to the nearest edge. Those located on the wall shall have the top of the smoke detector at least 4 inches below the ceiling, but not more than 12 inches below the ceiling. In the case of solid joist construction, the detectors shall be mounted on the bottom of the joists. Install smoke detectors no closer than 3 feet from air handling supply outlets, heat detectors shall be installed in strict accordance with their U.L. listing.

3.1.2 Power Supply for the System

NOTE: It is the responsibility of the designer to ensure that the source of power for the fire alarm system is shown on the drawings.

A single dedicated circuit connection for supplying power from a branch circuit to each building fire alarm system shall be provided. The power shall be supplied as shown on the drawings. The power supply shall be equipped with a locking mechanism and marked in red with the words "FIRE ALARM CIRCUIT CONTROL".

3.1.3 WIRING AND RACEWAY

Wiring shall be in accordance with the requirements of NFPA 70 and NFPA 72. Wire for 120V circuits shall be No. 12 AWG minimum. Wiring shall be in conduit, electrical metallic tubing or surface mounted raceway. Conduit sizing shall be in accordance with the National Electrical Code. Concealed EMT shall be used in areas where lowered ceilings are installed and where new walls are being constructed. IMC shall be used out-of-doors or in wet locations.