36C77018R9601-0003008.pdf

Tucson CMOP SAVAHCS Storage Mezzanine Tucson, AZ

ADDRESSABLE FIRE-ALARM SYSTEMS 284621 - 1

SECTION 28 46 21

ADDRESSABLE FIRE-ALARM SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Fire-alarm control unit.

2. Manual fire-alarm boxes.

3. System smoke detectors.

4. Non-system smoke detectors, such as detectors integ ral to air handling units.

5. Heat detectors.

6. Notification appliances.

7. Addressable interface device.

8. Cabling and wiring.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product, including f urnished options and accessories.

B. Shop Drawings: For fire-alarm system.

1. Comply with recommendations and requirements in the "Documentation" section of the "Fundamentals" chapt er in

NFPA 72.

2. Include plans, elevations, sections, details, and attachments to other work.

3. Include details of equipment assemblies. Indicate dimensions, weights, loads, required clearances, me thod of field assembly, components, and locations. Indicate conductor sizes, indicate termination locations and requirements, and distinguish between factory and f ield wiring.

4. Detail assembly and support requirements.

5. Include voltage drop calculations for notification-appliance circuits.

6. Include battery-size calculations.

7. Include statement from manufacturer that all equipm ent and components have been tested as a system and meet al l requirements in this Specification and in NFPA 72.

8. Include performance parameters and installation det ails for each detector.

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9. Verify that each duct detector is listed for comple te range of air velocity, temperature, and humidity possible when air-handling system is operating.

10. Include plans, sections, and elevations of heating, ventilating, and air-conditioning ducts, drawn to s cale;

coordinate location of duct smoke detectors and acc ess to them.

a. Show critical dimensions that relate to placement a nd support of sampling tubes, detector housing, and re mote status and alarm indicators.

b. Show field wiring required for HVAC unit shutdown o n alarm.

c. Locate detectors according to manufacturer's writte n recommendations.

11. Include floor plans to indicate final outlet locati ons showing address of each addressable device. Show si ze and route of cable and conduits and point-to-point wiri ng diagrams.

1.3 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For fire-alarm syst ems and components to include in emergency, operation, and maintenance manuals.

1. In addition to items specified in Section 017823 "O peration and Maintenance Data," include the following:

a. Comply with the "Records" section of the "Inspectio n, Testing and Maintenance" chapter in NFPA 72.

b. Provide "Fire Alarm and Emergency Communications Sy stem Record of Completion Documents" according to the "Completion Documents" Article in the "Documentatio n" section of the "Fundamentals" chapter in NFPA 72.

c. Complete wiring diagrams showing connections betwee n all devices and equipment.

d. Riser diagram.

e. Record copy of site-specific software.

f. Provide "Inspection and Testing Form" according to the

"Inspection, Testing and Maintenance" chapter in NFPA 72, and include the following:

1) Equipment tested.

2) Frequency of testing of installed components.

3) Frequency of inspection of installed components.

4) Requirements and recommendations related to results of maintenance.

5) Manufacturer's user training manuals.

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g. Manufacturer's required maintenance related to syst em warranty requirements.

h. Abbreviated operating instructions for mounting at fire-alarm control unit and each annunciator unit.

B. Software and Firmware Operational Documentation:

1. Software operating and upgrade manuals.

2. Program Software Backup: On magnetic media or compa ct disk, complete with data files.

3. Device address list.

4. Printout of software application and graphic screen s.

1.4 QUALITY ASSURANCE

A. Installer Qualifications: Personnel shall be traine d and certified by manufacturer for installation of units required for this Project.

B. Installer Qualifications: Installation shall be by personnel certified by NICET as fire-alarm technician.

1.5 WARRANTY

A. Special Warranty: Manufacturer agrees to repair or replace fire-alarm system equipment and components that fail in materials or workmanship within specified warranty period.

1. Warranty Extent: All equipment and components not c overed in the Maintenance Service Agreement.

2. Warranty Period: Number of years from date of Subst antial Completion as required by Owner.

PART 2 - PRODUCTS

2.1 SYSTEM DESCRIPTION

A. Source Limitations for Fire-Alarm System and Compon ents:

Components shall be compatible with, and operate as an extension of, existing system. Existing system is EST Quick S tart.

B. All components provided shall be listed for use wit h the selected system.

C. Electrical Components, Devices, and Accessories: Li sted and labeled as defined in NFPA 70, by a qualified testi ng agency, and marked for intended location and application.

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2.2 SYSTEMS OPERATIONAL DESCRIPTION

A. Fire-alarm signal initiation shall be by one or mor e of the following devices:

1. Manual stations.

2. Heat detectors.

3. Smoke detectors.

4. Duct smoke detectors.

5. Carbon monoxide detectors.

6. Automatic sprinkler system water flow.

7. Fire-extinguishing system operation.

8. Fire standpipe system.

9. Dry system pressure flow switch.

B. Fire-alarm signal shall initiate the following acti ons:

1. Continuously operate alarm notification appliances.

2. Identify alarm and specific initiating device at fi re-alarm control unit and remote annunciators.

3. Transmit an alarm signal to the remote alarm receiv ing station.

4. Unlock electric door locks in designated egress pat hs.

5. Release fire and smoke doors held open by magnetic door holders.

6. Switch heating, ventilating, and air-conditioning e quipment controls to fire-alarm mode.

7. Close smoke dampers in air ducts of designated air-conditioning duct systems.

8. Activate emergency lighting control.

9. Activate emergency shutoffs for gas and fuel suppli es.

10. Record events in the system memory.

C. Supervisory signal initiation shall be by one or mo re of the following devices and actions:

1. Valve supervisory switch.

2. High- or low-air-pressure switch of a dry-pipe or p reaction sprinkler system.

3. Loss of communication with any panel on the network .

D. System trouble signal initiation shall be by one or more of the following devices and actions:

1. Open circuits, shorts, and grounds in designated ci rcuits.

2. Opening, tampering with, or removing alarm-initiati ng and supervisory signal-initiating devices.

3. Loss of communication with any addressable sensor, input module, relay, control module, or remote annunciato r.

4. Loss of primary power at fire-alarm control unit.

5. Ground or a single break in internal circuits of fi re-alarm control unit.

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6. Abnormal ac voltage at fire-alarm control unit.

7. Break in standby battery circuitry.

8. Failure of battery charging.

9. Abnormal position of any switch at fire-alarm contr ol unit or annunciator.

E. System Supervisory Signal Actions:

1. Initiate notification appliances.

2. Identify specific device initiating the event at fi re-alarm control unit and remote annunciators.

2.3 FIRE-ALARM CONTROL UNIT

A. Existing fire alarm control panel is EST Quick Star t.

B. Initiating-Device, Notification-Appliance, and Sign aling-Line Circuits:

1. Pathway Class Designations: NFPA 72, matching exist ing system.

2. Pathway Survivability: Match existing system.

C. Notification-Appliance Circuit and Power Supply:

1. Audible appliances shall sound in a three-pulse tem poral pattern, as defined in NFPA 72.

2. Visual alarm appliances shall flash in synchronizat ion where multiple appliances are in the same field of view, as defined in NFPA 72.

3. Provide power supply as required to incorporate new notification appliances into the existing system.

D. Door Controls: Door hold-open devices that are cont rolled by smoke detectors at doors in smoke-barrier walls sha ll be connected to fire-alarm system.

E. Remote Smoke-Detector Sensitivity Adjustment: Contr ols shall select specific addressable smoke detectors for adj ustment, display their current status and sensitivity settin gs, and change those settings. Allow controls to be used to program repetitive, time-scheduled, and automated changes i n sensitivity of specific detector groups. Record sensitivity adj ustments and sensitivity-adjustment schedule changes in system m emory.

F. Primary Power: 24-V dc obtained from 120-V ac servi ce and a power-supply module. Initiating devices, notificati on appliances, signaling lines, and trouble signals sh all be powered by 24-V dc source.

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1. Alarm current draw of entire fire-alarm system shal l not exceed 80 percent of the power-supply module rating .

G. Secondary Power: 24-V dc supply system with batteri es, automatic battery charger, and automatic transfer switch.

2.4 MANUAL FIRE-ALARM BOXES

A. General Requirements for Manual Fire-Alarm Boxes: C omply with

UL 38.

1. Single-action mechanism, matching existing, arrange d to communicate manual-station status (normal, alarm, o r trouble) to fire-alarm control unit.

2. Station Reset: Match existing.

2.5 SYSTEM SMOKE DETECTORS

A. General Requirements for System Smoke Detectors:

1. Comply with UL 268; operating at 24-V dc, nominal.

2. Detectors shall match existing in use.

3. Integral Addressable Module: Arranged to communicat e detector status (normal, alarm, or trouble) to fire -alarm control unit.

4. Base Mounting: Detector and associated electronic components shall be mounted in a twist-lock module that connects to a fixed base. Provide terminals in the fixed base for connection to building wiring.

5. Self-Restoring: Detectors do not require resetting or readjustment after actuation to restore them to nor mal operation.

6. Integral Visual-Indicating Light: LED type, indicat ing detector has operated.

7. Remote Control: Unless otherwise indicated, detecto rs shall be digital-addressable type, individually monitored at fire-alarm control unit for calibration, sensitivit y, and alarm condition.

a. Rate-of-rise temperature characteristic of combinat ion smoke- and heat-detection units shall be selectable at fire-alarm control unit for 15 or 20 deg F (8 or 11 deg C) per minute.

b. Fixed-temperature sensing characteristic of combina tion smoke- and heat-detection units shall be independen t of rate-of-rise sensing and shall be settable at fire-alarm control unit to operate at 135 or 155 deg F (57 or 68 deg C) .

c. Multiple levels of detection sensitivity for each sensor.

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d. Sensitivity levels based on time of day.

B. Photoelectric Smoke Detectors:

1. Detector address shall be accessible from fire-alar m control unit and shall be able to identify the dete ctor's location within the system and its sensitivity sett ing.

2. An operator at fire-alarm control unit, having the designated access level, shall be able to manually access the following for each detector:

a. Primary status.

b. Device type.

c. Present average value.

d. Present sensitivity selected.

e. Sensor range (normal, dirty, etc.).

C. Ionization Smoke Detector:

1. Detector address shall be accessible from fire-alar m control unit and shall be able to identify the dete ctor's location within the system and its sensitivity sett ing.

2. An operator at fire-alarm control unit, having the designated access level, shall be able to manually access the following for each detector:

a. Primary status.

b. Device type.

c. Present average value.

d. Present sensitivity selected.

e. Sensor range (normal, dirty, etc.).

D. Duct Smoke Detectors: Photoelectric type complying with UL 268A.

Connect to duct smoke detector hardware provided by HVAC unit manufacturer.

1. Detector address shall be accessible from fire-alar m control unit and shall be able to identify the dete ctor's location within the system and its sensitivity sett ing.

2. An operator at fire-alarm control unit, having the designated access level, shall be able to manually access the following for each detector:

a. Primary status.

b. Device type.

c. Present average value.

d. Present sensitivity selected.

e. Sensor range (normal, dirty, etc.).

3. Weatherproof Duct Housing Enclosure: NEMA 250, Type 4X;

NRTL listed for use with the supplied detector for smoke detection in HVAC system ducts.

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4. Each sensor shall have multiple levels of detection sensitivity.

5. Sampling Tubes: Design and dimensions as recommende d by manufacturer for specific duct size, air velocity, and installation conditions where applied.

6. Relay Fan Shutdown: Fully programmable relay rated to interrupt fan motor-control circuit.

2.6 NONSYSTEM SMOKE DETECTORS

A. General Requirements for Nonsystem Smoke Detectors and Duct Smoke Detectors:

1. Nonsystem smoke detectors shall be listed as compat ible with the fire-alarm equipment installed or shall ha ve a contact closure interface listed for the connected load.

2. Nonsystem smoke detectors shall meet the monitoring for integrity requirements in NFPA 72.

3. Provide all required interface hardware, wiring, an d programming to connect non-system detectors into th e existing fire alarm system and communicate detector status (normal, alarm, or trouble) to fire-alarm control u nit..

2.7 HEAT DETECTORS

A. General Requirements for Heat Detectors: Comply wit h UL 521.

1. Temperature sensors shall test for and communicate the sensitivity range of the device.

B. Heat Detector, Combination Type: Actuated by either a fixed temperature or a rate of rise.

1. Integral Addressable Module: Arranged to communicat e detector status (normal, alarm, or trouble) to fire -alarm control unit.

C. Heat Detector, Fixed-Temperature Type: Actuated by temperature that exceeds a fixed temperature.

1. Integral Addressable Module: Arranged to communicat e detector status (normal, alarm, or trouble) to fire -alarm control unit.

2.8 NOTIFICATION APPLIANCES

A. General Requirements for Notification Appliances: C onnected to notification-appliance signal circuits, zoned as in dicated, ADDRESSABLE FIRE-ALARM SYSTEMS 284621 - 9 equipped for mounting as indicated, and with screw terminals for system connections.

1. Combination Devices: Factory-integrated audible and visible devices in a single-mounting assembly, equipped for mounting as indicated, and with screw terminals for system connections.

B. Chimes: Vibrating type.

C. Horns: Electric-vibrating-polarized type, 24-V dc; with provision for housing the operating mechanism behin d a grille.

Comply with UL 464.

D. Visible Notification Appliances: Xenon strobe light s complying with UL 1971, with clear or nominal white polycarbo nate lens mounted on an aluminum faceplate. The word "FIRE" i s engraved in minimum 1-inch- (25-mm-) high letters on the lens.

1. Mounting: Wall mounted unless otherwise indicated.

2. Flashing shall be in a temporal pattern, synchroniz ed with other units.

3. Strobe Leads: Factory connected to screw terminals.

4. Mounting Faceplate: Factory finished, red.

2.9 ADDRESSABLE INTERFACE DEVICE

A. General:

1. Include address-setting means on the module.

2. Store an internal identifying code for control pane l use to identify the module type.

3. Listed for controlling HVAC fan motor controllers.

B. Monitor Module: Microelectronic module providing a system address for alarm-initiating devices for wired appl ications with normally open contacts.

C. Integral Relay: Capable of providing a direct signa l.

1. Allow the control panel to switch the relay contact s on command.

2. Have a minimum of two normally open and two normall y closed contacts available for field wiring.

D. Control Module:

1. Operate notification devices.

2. Operate solenoids for use in sprinkler service.

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2.10 CABLING AND WIRING

A. Provide wiring for a complete and functional system , matching existing wire sizes, types, terminations in use in the facility.

PART 3 - EXECUTION

3.1 EQUIPMENT INSTALLATION

A. Comply with NFPA 72, NFPA 101, and requirements of authorities having jurisdiction for installation and testing of fire-alarm equipment. Install all electrical wiring to comply with requirements in NFPA 70 including, but not limited to, Article 760, "Fire Alarm Systems."

B. Connecting to Existing Equipment: Verify that exist ing fire-alarm system is operational before making changes o r connections.

C. Install wall-mounted equipment, with tops of cabine ts not more than 78 inches (1980 mm) above the finished floor.

D. Manual Fire-Alarm Boxes:

1. Install manual fire-alarm box in the normal path of egress within 60 inches (1520 mm) of the exit doorway.

2. Mount manual fire-alarm box on a background of a contrasting color.

3. The operable part of manual fire-alarm box shall be between 42 inches (1060 mm) and 48 inches (1220 mm) above floor level. All devices shall be mounted at the same hei ght unless otherwise indicated.

E. Smoke- or Heat-Detector Spacing: Comply with NFPA 7 2.

F. Duct Smoke Detectors: Comply with NFPA 72 and NFPA 90A. Install sampling tubes so they extend the full width of duc t. Tubes more than 36 inches (9100 mm) long shall be supported at both ends.

G. Single-Station Smoke Detectors: Where more than one smoke alarm is installed within a dwelling or suite, they shall be connected so that the operation of any smoke alarm causes the alarm in all smoke alarms to sound.

H. Remote Status and Alarm Indicators: Install in a vi sible location near each smoke detector, sprinkler water- flow switch, and valve-tamper switch that is not readily visible from normal viewing position.

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I. Audible Alarm-Indicating Devices: Install not less than 6 inches (150 mm) below the ceiling. Install bells and horns on flus h-mounted back boxes with the device-operating mechan ism concealed behind a grille. Install all devices at the same he ight unless otherwise indicated.

J. Visible Alarm-Indicating Devices: Install adjacent to each alarm bell or alarm horn and at least 6 inches (150 mm) below the ceiling. Install all devices at the same height unl ess otherwise indicated.

K. Device Location-Indicating Lights: Locate in public space near the device they monitor.

3.2 PATHWAYS

A. Pathways above recessed ceilings and in nonaccessib le locations may be routed exposed.

1. Exposed pathways located less than 96 inches (2440 mm) above the floor shall be installed in EMT.

B. Pathways shall be installed in EMT.

C. Exposed EMT shall be painted r ed enamel.

3.3 CONNECTIONS

A. Make addressable connections with a supervised inte rface device to the following devices and systems. Install the i nterface device less than 36 inches (910 mm) from the device controlled.

Make an addressable confirmation connection when su ch feedback is available at the device or system being controll ed.

1. Smoke dampers in air ducts of designated HVAC duct systems.

2. Magnetically held-open doors.

3. Electronically locked doors and access gates.

4. Alarm-initiating connection to elevator recall syst em and components.

5. Alarm-initiating connection to activate emergency l ighting control.

6. Alarm-initiating connection to activate emergency s hutoffs for gas and fuel supplies.

7. Supervisory connections at valve supervisory switch es.

8. Supervisory connections at low-air-pressure switch of each dry-pipe sprinkler system.

9. Supervisory connections at elevator shunt-trip brea ker.

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3.4 IDENTIFICATION

A. Identify system components, wiring, cabling, and te rminals, matching existing identification means, types, and colors.

3.5 GROUNDING

A. Ground fire-alarm control unit and associated circu its; comply with IEEE 1100. Install a ground wire from main ser vice ground to fire-alarm control unit.

B. Ground shielded cables at the control panel locatio n only.

Insulate shield at device location.

3.6 FIELD QUALITY CONTROL

A. Field tests shall be witnessed by authorities havin g jurisdiction.

B. Perform the following tests and inspections with th e assistance of a factory-authorized service representative:

1. Visual Inspection: Conduct visual inspection prior to testing.

a. Inspection shall be based on completed record Drawi ngs and system documentation that is required by NFPA 7 2 in its "Completion Documents, Preparation" table in th e "Documentation" section of the "Fundamentals" chapt er.

b. Comply with the "Visual Inspection Frequencies" tab le in the "Inspection" section of the "Inspection, Tes ting and Maintenance" chapter in NFPA 72; retain the "Initial/Reacceptance" column and list only the installed components.

2. System Testing: Comply with the "Test Methods" tabl e in the "Testing" section of the "Inspection, Testing and Maintenance" chapter in NFPA 72.

3. Test audible appliances for the public operating mo de according to manufacturer's written instructions. P erform the test using a portable sound-level meter complyi ng with Type 2 requirements in ANSI S1.4.

4. Test audible appliances for the private operating m ode according to manufacturer's written instructions.

5. Test visible appliances for the public operating mo de according to manufacturer's written instructions.

6. Factory-authorized service representative shall pre pare the "Fire Alarm System Record of Completion" in the "Documentation" section of the "Fundamentals" chapt er in NFPA 72 and the "Inspection and Testing Form" in th e

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"Records" section of the "Inspection, Testing and Maintenance" chapter in NFPA 72.

C. Reacceptance Testing: Perform reacceptance testing to verify the proper operation of added or replaced devices and a ppliances.

D. Fire-alarm system will be considered defective if i t does not pass tests and inspections.

E. Prepare test and inspection reports.

F. Maintenance Test and Inspection: Perform tests and inspections listed for weekly, monthly, quarterly, and semiannu al periods.

Use forms developed for initial tests and inspectio ns.

G. Annual Test and Inspection: One year after date of Substantial Completion, test fire-alarm system complying with v isual and testing inspection requirements in NFPA 72. Use for ms developed for initial tests and inspections.

3.7 SOFTWARE SERVICE AGREEMENT

A. Comply with UL 864.

B. Upgrade Service: At Substantial Completion, update software to latest version.

3.8 DEMONSTRATION

A. Train Owner's maintenance personnel to adjust, oper ate, and maintain fire-alarm system.

END OF SECTION 284621.11