SECTION 16110F

SECTION 15365

GAS SUPPRESSION ALARM SYSTEM

PART 1 GENERAL

1.01 SYSTEM INTENT

A.The requirements of Sections 15010 shall also govern work specified herein.

B.This specification intends to describe a "total flooding" fire protection and extinguishing system. The system shall be provided and installed in the areas indicated on the Sub-contract drawings, in full compliance with all applicable codes and standards.

1. The system as described shall be installed, tested, and delivered to the owner in first class condition. The system shall include all required cylinders, valves, gasses, gas delivery piping and nozzles, release control panel, detection, raceways, interconnecting wiring and software to accomplish the requirements of this specification and the Sub-contract drawings, whether itemized or not.

2. All equipment furnished shall be new and the latest state of the art products of the manufacturer, engaged in the manufacturing and sale of fire suppression and analog fire detection devices for over ten years.

1.02 APPROVALS

A.The publications listed below form a part of this publication to the extent referenced. The publications are referenced in the text by the basic designation only. The latest version of each listed publication shall be used as a guide unless the authority having jurisdiction has adopted an earlier version.

1.Factory Mutual (FM.)

a.FM AG Approval Guide

2.National Fire Protection Association (NFPA)a. NFPA 70 National Electrical Code.

b. NFPA 72 Standard For The Installation, Maintenance And Use of Protective Signaling Systems.

c. NFPA 90A Standard For The Installation of Air Conditioning And Ventilating Systems.

d. NFPA 101 Life Safety Code.

e. NFPA 2001 Standard on Clean Agent Fire Extinguishing Systems.

3.Underwriters' Laboratories, Inc.(UL)a. Appropriate UL standards for coordinated system.

b. ULFPED

4.Material and Equipment Acceptance

1.03 MANUFACTURERS REPRESENTATIVE

A.Provide the services of a representative or technician, experienced in the installation and operation of the type of system provided. The technician shall supervise installation, software documentation, adjustment, preliminary testing, final testing and certification of the system. The technician shall provide the required instruction to the owner's personnel in the system operation, maintenance and programming.

1.04 SUBMITTAL

A.Prior to the start of work, the Sub-contractor shall provide a complete and comprehensive submittal for review by the Supervision Consultant in accordance with Division 1 and Section 15010. The complete submittal shall include, but not be limited to, all of the following material:

1.Power calculations.

a. Supervisory and alarm power requirements for all equipment.

b. Justification showing power requirements and battery capacity calculations of system power supplies.

c. Voltage drop calculations for wiring runs in worst case condition.

d. Calculations for fill density of gas containers and documentation of pipe sizes as required for system approval.

2.Complete manufacturer's catalog data including supervisory power usage, alarm power usage, physical dimensions, finish and mounting requirements.

3.Submit panel configuration and interconnection of modules and all other data as required to make an informed judgment regarding product suitability.

4.The Sub-contractor shall submit copies of UL listing and FM approval data showing compatibility of the proposed device or appliance and the panel being provided.

5. Details and technical literature of the gas agent.

6.Complete drawings covering the following shall be submitted by the Sub-contractor for the proposed system:

a. Floor plans showing all initiating, communication devices, end of line, supervisory, indicating appliances, output control devices, cylinders, pipe routing and size, and nozzles. Raceways shall be shown, marked for size, conductor count with type and size, showing the percentage of allowable National Electric Code fill used.

b. Wiring diagrams showing points of connection and terminals used for all electrical connections to the system devices and panels.

7.A complete proposed system database including a description of all logic strings, control by event programming and point identification labels on a high density floppy disk and in a formatted, printed form, capable of off site editing, uploading and downloading shall be submitted for evaluation by the Supervision Consultant. A programming manual shall accompany the submitted program and shall be adequate to allow understanding, operation and modification of logic by the system owner for entry into the program. Software shall be provided to analyze and verify the validity of the program proposed to assure that the system is in compliance with the U.L. requirements for a NFPA 72 system.

a.Additional software shall be furnished to check all program changes after software editing and list all functions effected by the editing changes to allow selective retesting of the system covering all program items impacted by the changes.

8. Statements shall be included, with copies of required licensing, verifying the qualifications of the installer as specified.

1.05 SYSTEM FUNCTIONAL OPERATION

A. The system shall be a complete, electrically supervised multiplex style fire detection and extinguishing system with intelligent analog alarm initiation, to be device addressable and annunciated as described and shown on the drawings.

B.The system shall be UL listed for the release of total flooding extinguishing gases. The components of the extinguishing system shall be cross-listed with detection system and in conjunction shall comprise a single system intended for detection and extinguishing of fires.

1.06 SYSTEM PRE-ALARM OPERATION

A.All hazard area smoke detectors shall be programmed to a sensitivity level that is extremely sensitive. This sensitivity setting shall be below the standard UL required sensitivity range. The purpose of this Pre-Alarm function sensitivity setting is to alert the occupants that a emergency condition may exist and should be investigated. Should a true emergency be determine by the alerted investigator, a manual station can be activated.

1. Activate sound alert and visual pre-alert signal.

2. The detector in a pre-alarm mode shall be programmed to light its LED alarm indicating lamp.

3. Pre-alarm activation shall be programmed as trouble causing.

4. Activate per alarm signal to the building alarm system

5. If the pre-alarm condition environmental conditions revert back to non alarming conditions, the device shall clear itself.

B.Systems providing Pre-Alarm features shall be capable of manually testing Pre-Alarm features from the control panel by detector, by address. Testing shall allow for the verification of all associated output functions. This requirement is necessary due to the very sensitive levels that Pre-Alarm devices are capable of. It would be impossible to smoke test a detector to verify Pre-Alarm settings.

1.07 SYSTEM ALARM OPERATION

A.Manual Station: When manually activated, shall initiate the discharge of agent into the protected space with no delay. Stations shall be located at each exit discharge door. Mounting height shall be 1.2 m to the activation handle above finish floor.

B. First Smoke Detector In Alarm: Shall cause the following actions and indications;

1. Activate the hazard area alarm strobes.

2. Activate the pulsating sounding mode for hazard area audible alarm horns.

3. Activate the alarm signal to the building alarm system.

4. Activate the release of magnetically held doors. (If equipped)

5. Display a custom message describing the device originating the alarm condition, at the fire alarm control panel and/or remote LCD enunciator.

6. Activate system alarm printer indicating device type, time, date and custom alarm message. (If equipped)

7. Flash detector alarm LED indicator.

8. Record within the non-volatile system historical memory, the occurrence of all alarm events including time, date, location and device ID. This memory shall be sized for a minimum of 800 events.

C. Abort switch should be a 90 second, recycling, momentary activation abort station.

D.Second Smoke Detector In Alarm: Shall cause the following actions and indications;

1.Activate the continuous sounding mode for hazard area audible alarm horns.

a.Second detector programming shall be any other detector within the hazard.

2.Activate the shut down sequence for HVAC supply within the hazard area via the Fire Alarm System. Shutdown exhaust ventilating equipment within the space and close all associated dampers to seal the room.

a. Re-start of normal HVAC functions shall not be made capable unless the system has been reset.

b. A firemans By Pass switch shall be install adjacent to each system control panel to allow the starting of HVAC systems.

1) Switch shall be keyed.

2) Switch shall be monitored by an addressable interface module.

3) Activate GAS release solenoid:

a.In addition agent release, an in-line piping pressure switch shall be provided, which shall be wired to cause illumination of Fire Agent Discharge signs outside the hazard area upon activation. The purpose of lighted warning signs is to provide positive confirmation of discharge and to warn occupants of the hazard. (See drawings for locations.)

b.Power for sign illumination shall be system power or emergency power and approved by the Supervision Consultant.

4) Activate alarm signal to the building alarm system

5) Display a custom message describing the device originating the alarm condition, at the fire alarm control panel and remote LCD annunciators.

6) Activate system alarm printer indicating device type, time, date and custom alarm message. (If equipped)

7) Flash detector alarm LED indicator.

8) Record within the non-volatile system historical memory, the occurrence of all events with the time and date of occurrence and the device initiating the event. This memory shall be sized for a minimum of 800 events.

PART 2 - SYSTEM PRODUCTS

2.01 PREFERRED MANUFACTURER

A.Refer to Particular Specifications.2.02 DETECTION AND RELEASE CONTROL PANEL

A.The control panel shall be manufactured for mounting as indicated on the drawings.

B. The gas suppression system control panel shall be Cerberus Pyrotronics model MXL addressable series or equivalent, modular in construction and shall include, but not limited to the hardware, software and firmware requuired to perform the following system functions:

1.Surface mounted steel cabinet with indicator viewing windows, hinged door and cylinder lock, dead front construction, and factory finished in baked enamel. When the keyed outer protective is opened, the panel shall be dead front with no terminals, wiring, circuit cards or batteries exposed to view. The dead front covers shall be individually hinged and secured by captive quarter turn latches for access by service personnel.

2.System power supplies, including necessary transformers rectifiers, regulators, filters and surge protection required for system operation, with the capacity to power the system in a worst case condition with all devices in alarm and all local indicating appliances active without exceeding the listed ratings. The system devices shall display normal and alarm conditions consistently whether operating from normal power or reserve (standby) power.

3.System 16 bit core processor, with internal operating system processing incoming alarm signals and issuing output commands required as a result of the alarm reception by system programming or manual commands. Total system response time shall not exceed 2.5 seconds on a system configured to the maximum capacity. All system processors shall be supervised by individual watchdog circuitry furnishing automatic restart after loss of activity. Systems with a single watchdog circuits for all processors shall no be acceptable.

4.Style 4 system digital communication capabilities as required to allow the control panel to communicate with remote circuit interface panels, annunciators, and displays. All communications shall be conducted in a digital format. Systems processing signals using pulse width or voltage level techniques are not considered acceptable.

5.Style 4 analog signaling circuitry allowing communication with, and receipt of alarms from 120 points, consisting of a maximum of sixty intelligent analog alarm initiating and sixty intelligent controllable output devices.

6.Output circuits for the operation of audible and visual alert and release indication devices shall be provided as required by system configuration. Circuits shall be current limiting using self restoring solid state limiting components. Circuits requiring manual reset, board or fuse replacement shall not be considered acceptable.

7.Output circuits for the supervision and activation of supervised electrical solenoids for the release of the gaseous flooding extinguishing agent. Circuits shall be current limiting using self restoring solid state limiting components.

8.System shall have the capability of supporting remote indication via RS-485 System Network as indicated on the drawings.

9.The enclosure for the system shall provide complete dead front construction with no wiring, circuitry or batteries visible when the protective door is opened.

10.The system shall require no manual input to initialize in the event of a complete power down condition. It shall return to an on line state as an operating system performing all programmed functions upon power restoration. Systems requiring battery backed-up memory devices shall not be acceptable.

11.The system shall incorporate the following controls and display items in addition to those previously described:

a.System display consisting of an 80 character back lighted alphanumeric super twist LCD display readable at any angle. Thirty two character customer defined custom messages shall describe the location of the active device.

1) The system shall be programmed to allow troubles occurring and restored in the system to be automatically removed from the display queue, eliminating the necessity for individual acknowledging of these events. This feature shall not affect the historical logging of events as programmed.

b.As a minimum, an LED display for "ALARM", "AUDIBLE SILENCED", "SUPERVISORY", "TROUBLE", "SECURITY", "POWER ON" and "PARTIAL SYSTEM DISABLED".

c.Touch activated membrane switches for "ALARM ACKNOWLEDGE", "AUDIBLE SILENCE", "SUPERVISORY ACKNOWLEDGE", "TROUBLE ACKNOWLEDGE", "SECURITY ACKNOWLEDGE", "RESET", "DISPLAY HOLD" and "DISPLAY NEXT".

d.Touch activated membrane switches, programmable to perform a minimum of twelve custom functions such as select logic, disable, bypass automatic control commands or other special functions as required by the system user.

e.Ten digit keypad for the passcode entry to perform programming and maintenance functions.

1) All membrane switches shall be tactile with audible feed-back when pressed.

2) The system shall be capable of supporting a minimum of four supervised remote LCD annunciators or system remote control locations. Additional unsupervised LCD annunciators shall be supported as required for system configuration.

3) Software defined logic module as required for each alarm initiation point, capable of controlling any combination of the system output functions using as logic factors; counting, verification, time, day, holiday, type of device, "and", "or", "not", "timer", "all", "any", flip-flop, D latch, and up to 32 levels of password security for programming, operation and service shall be possible.

4) Software logic modules and system database shall be programmed using a DOS compatible program on any IBM compatible computer. It shall be possible to program or edit the system database off site after downloading from the control panel.

5) Environmental compensation software driven logic for adjusting the alarm threshold windows on detectors to compensate for accumulating contamination and keep detector response sensitivity constant. The software shall compensate for either over-sensitized or de-sensitized units, raising a system flag when a detector approaches the allowable limits of adjustment, indicating a requirement for cleaning.

2.03 DETECTION AND RELEASE CONTROL SYSTEM POWER SUPPLIES

A.System primary power

1.Primary power for the control panel and the secondary power battery chargers shall each be obtained from the building emergency power source via fused cut-out.

a.Each circuit used for primary power shall be capable of being measured and the voltage displayed via the LCD alphanumeric display on the control panel when in the service mode.

B.Secondary power supply

1.Provide sealed gelled electrolyte batteries as the secondary power supply for the fire alarm control panel and each system circuit interface panel. The battery supply shall be calculated to operate its load in a supervisory mode for twenty four hours with no primary power applied and, upon restoration of primary power, operate its alarm mode in all call mode for fifteen minutes. Batteries shall be sized at 120% of the calculated size to compensate for deterioration and aging during the battery life cycle. Battery calculations shall be submitted to justify the battery size. Batteries shall be housed in the control cabinet or a separate cabinet with adequate cell separation to prevent accidental discharge.

2.Provide battery charging circuitry for each standby battery bank in the system low voltage power supply or as a separate circuit. The charger shall be automatic, adjusting the charge rate to the condition of the batteries. Battery charge rate and terminal voltage shall be read using the fire alarm control panel LCD display in the service mode, indicating directly in volts and amps. Meters reading in percentage are not acceptable. Charger shall be housed in the main fire alarm control panel or the battery cabinet.

2.04 INTELLIGENT DEVICE PROGRAMMER / TESTER

A.Furnish as a part of the installed system, a UL listed programmer and tester, complete with the following features:

1.The programmer shall be portable with internal rechargeable battery and charging supply sufficient for four hours of use before requiring recharging.

2.The programmer shall set and verify the device address and perform a device test to assure operation within the UL defined detection window. This programming and testing shall be done independent of the control panel and system wiring.

3.The programmer tester shall dynamically display the detector chamber analog voltage in real time.

4.Systems not supplying a portable tester shall provide a calibrated UL listed smoke generator for the testing of detectors. A four hour portable power supply shall be furnished to power the calibrated smoke source during the NFPA mandated tests. Detectors shall not be installed until after the construction clean-up of all trades is complete and final. Detectors that have been installed prior to final clean-up by all trades shall be cleaned or replaced in accordance with Chapter 7 - NFPA 72 - 1996.

5.Each addressable analog smoke detector shall be individually field tested prior to installing the device at its designated location to ensure reliability after shipment and storage conditions. A dated log indicating correct address, type of device, sensitivity and initials of the technician performing test shall be prepared and kept for final acceptance documentation. After testing, the detection devices and base shall be labeled with the system address, date and initials of installing technician. Labeling shall not be visible after installation is complete.

2.05 SMOKE DETECTORS, LIGHT REFRACTION (PHOTOELECTRIC)

A.Furnish and install where indicated on the drawings, intelligent analog smoke detectors with features and characteristics as follows:

1.Detectors shall be programmable as application specific, selected in software for a minimum of eleven specific environmental fire fingerprints unique to the installed location. The technology required for these detectors shall eliminate the possibility of false indications caused by dust, moisture, RFI/EMI, chemical fumes, air movement and other deceptive phenomena while factoring fire burn rates, obscuration rate changes and hot/cold smoke phenomenon into the alarm decision to give the earliest possible real alarm condition report. Detectors shall be programmed with pre-alarm features.

2.The devices shall be protected by software in both the logic circuitry and the communication circuitry against undesirable effects from proximate electrical and electronic devices such as fluorescent light fixtures, variable frequency motor controllers and other sources of RF interference.

3.The detector shall be addressed, tested and programmed prior to installation using a UL listed programmer/tester. The detector readout shall yield a discreet electrical value for status tracking and logging for determining maintenance and cleaning requirements.

4.Detectors shall incorporate triple technology microprocessor chips including analog, digital and EEprom technologies on the single device. Surface mount technology, full shielding of the circuit board and RF attenuators on each field wiring connection point shall protect the detector from RF and line interference spikes. Integral algorisms shall be programmed to reject common sources of interference such as florescent fixtures.

a.Address and sensitivity assignments shall be programmed electronically and devices requiring dip switches, rotary switches, staples or jumpers are not acceptable.

2.06 FIRE DETECTOR BASES

A.Detector bases shall be Cerberus Pyrotronics (or equivalent) low profile twist lock type with screw clamp terminals and self wiping contacts. Bases shall be installed on an industry standard, 100 mm square or octagonal electrical outlet box.

2.07 MANUAL STATIONS, INTELLIGENT

A. Provide intelligent manual stations (dual action) where shown on the drawings, to be flush or surface mounted as required.

1. Station shall be equipped with terminal strip and pressure style screw terminals for the connection of field wiring.

2.The manual stations shall be addressable and identifiable by the local control fire alarm panel, and by the Network System.

a. Address assignments shall be set electronically and reside within the station in non volatile memory. Devices using rotary switches, pins, jumpers or staples are not acceptable.

3. Surface mounted stations where indicated on the drawings shall be mounted using a manufacturer's prescribed matching baked red enamel outlet box.

4.Where indicated on the drawings, stations shall be key operated.

5.Stations shall be identified (permanently labelled) as manual gas suppression system release device.

2.08 INTELLIGENT SYSTEM INTERFACE MODULE

A.The intelligent interface module shall be listed by Underwriters Laboratories, Inc. The unit shall incorporate a custom microprocessor based integrated circuit which shall provide communication with main fire control panel. The interface module shall supervise and monitor normally open or normally closed dry contacts. The interface module shall report the contacts status to the control panel. The intelligent interface module shall be dynamically supervised and uniquely identifiable by the control panel. The intelligent interface modules address shall be set by electronic means only, no mechanical means such as dipswitches, rotary dials or by inserting programmable pins shall be used. The intelligent interface module shall be used to uniquely identify field devices such as water flow switches, tamper switches, OS&Y valves or as directed by these specifications and project drawings. Modules shall be supplied to meet the project requirements.

2.09 EVACUATION SIGNALS

A.Furnish and install, as required, where shown on the drawings, type MT signals with the following characteristics and capacities:

1.Appliance shall be electronic and use solid state components. Electro mechanical alternatives are not approved. Each electronic signal shall provide eight (8) field selectable alarm tones. The tones shall consist of: TONE, HORN, MARCH TIME HORN, CODE-3 HORN, CODE-3 TONE, SLOW WHOOP, SIREN and HI/LO.

a. Tone selection shall be by durable dip switch assembly and not clips or jumpers. The audible and the strobe shall not operate from a single signaling circuit. Audible notification circuits shall be on dedicated circuits.

b. The device shall provide two output sound levels: STANDARD and HIGH dBA. The HIGH dBA setting shall provide a minimum 5 dBA increase in sound output at nominal voltage. The HIGH anechoic dBA measurement at 10 feet at the alarm HORN SETTING shall be 101 dBA minimum for MT and 99 dBA minimum for MT Strobes, at nominal voltage.

c. Operating voltages shall be 24VDC using filtered power or unfiltered power supply. All models shall have provisions for standard reverse polarity type supervision and IN/OUT field wiring using terminals that accept #12 to #18 AWG wiring.

d. Signals shall incorporate a Xenon flashtube enclosed in a rugged Lexan lens or equivalent with solid state circuitry. Strobe shall meet UL 1971 and produce a flash rate of one (1) flash per second minimum over the Listed input voltage range. The strobe intensity shall be rated per UL 1971 for 15/75 candela here 15 candela UL 1971 Listing with 75 candela intensity near-axis.

e. Xenon strobe with a minimum repetition rate of 1 HZ, not exceeding 3 HZ and a maximum duty cycle of 40% with a pulse duration of .2 seconds.

f. Unfiltered or clear filtered white light.

g. Compression type terminals shall be provided for the connection of field wiring up to #12 AWG. Terminals shall be provided for each of the output tones and strobe.

2.010 MANUAL RELEASE ABORT STATIONS

A.Furnish manual system release abort stations where shown on the drawings, having the following features:

1.Single action spring loaded switch, with normally open control contacts (minimum two).

2.Red, one and one-half inch diameter mushroom style push cap.

3.When operated, the push-button shall activate a 90 second delay the release of the extinguishing agent. If permitted to return to its normal "out" position, while the release control circuit is still in the activated condition, the cycle of delay will revert to eventual release.

4.Each abort station shall be monitored, as a supervisory causing device, with an addressable interface module.

5.The abort switch shall be provided on a steel, double gang plate, painted yellow and labeled "EXTINGUISHING SYSTEM ABORT STATION" in red letters.6.The station shall be provided for surface mounting with matching back box or flush mounting, as indicated by symbols on the Drawings.

2.011 EXTINGUISHING SUB-SYSTEMS

A. The system shall meet all performance parameters as detailed in NFPA 2001. The extinguishing system shall be complete and operational and include but not be limited to the following components:

1.Agent storage container with valve:

a. The extinguishing agent shall be stored in a DOT approved type 4BA or 4BW container capable of being filled in one pound increments. Storage cylinders of seamless steel construction shall not be deemed acceptable.

b. The extinguishing agent shall be stored as a liquid, having a natural vapor pressure of 66.4 psia at 77NF., and super pressurized to 360 psig at 70NF. with dry nitrogen.

c. Cylinder valve bodies shall be brass. Valves of other materials shall not be deemed acceptable.

d. Storage cylinders shall be provided with a safety rupture disk and an integral internal pressure gauge, color coded for fast reference of pressure readings. Rise in internal pressure due to high temperature shall rupture the safety disk, venting the extinguishing gas before pressure critical to the survival of the cylinder are reached.

e. Cylinder shall be equipped with a low pressure supervisory switch, reporting the supervisory condition to the release control panel.

f. A liquid level indicating device shall be standard on all cylinders. This device shall be used a reliable means of indicating agent weight during routine servicing, eliminating the requirement for removal of the cylinder for weighing.

2.Discharge nozzles as required.

a.Discharge nozzles of brass construction with female threads shall be used to distribute the extinguishing agent.

b.Nozzles shall be available in 1/2" through 2" sizes with 180N and 360N dispersion patterns.

c.Nozzles shall be FM Approved and UL listed.

3.Electric solenoid operated releasing devices as required:

a.The extinguishing agent discharge shall be activated directly from the control panel via a supervised electrical control of the solenoid.

b.The releasing device shall be removable for service and testing from the cylinder without the need for de-pressurizing the cylinder. Electrical tests of the solenoid shall be possible while removed from the cylinder and no part replacement shall be required as a result of the test.

1) The use of explosive squibs, disks, or other expendable parts requiring replacement after discharge is not acceptable.

2) Systems containing components requiring replacement due to a dated life span shall not be acceptable.

c.The releasing device shall be also equipped for direct mechanical operation, providing a manual means of release. The device shall be provided with a manual lever and a faceplate with precise instructions for the mechanical activation of the system.

d.Agent discharge shall occur from all containers as a result of actuation of the manual mechanical operation, electrical manual operating station or completion of the selected logic sequence as a result of automatic detection within the space being protected.

4.Gas suppression system extinguishing agent as required to furnish the specified concentration in the hazard being protected.

PART 3 - EXECUTION

3.01 INSTALLATION DRAWINGS

A.Show a general layout of the complete system including equipment arrangement. It shall be the responsibility of the Sub-contractor to verify dimensions and assure compatibility all other systems interfacing with the fire alarm system.

1.Identify on the drawings, conduit and conductor sizes and types with number of conductors in each conduit. Provide each conduit and device with a unique identification. For addressable alarm initiation devices, the system identifier shall be the system address for that device. Signals shall be sequentially numbered as the address of the controlling module

2.Indicate on the point to point wiring diagrams, interconnecting wiring within the panel between modules, and connecting wiring to the field device terminals.

3.Provide mounting details of Releasing control panel and other boxes to building structure, showing fastener type, sizes, material and embedded depth where applicable.4.Identify on the drawings, cylinder locations an agent distribution piping with discharge nozzles. Indicate structural bracing details for distribution piping and cylinder mounting.

3.02 INSTALLATION

A.Perform work in accordance with the requirements of NEC, NFPA 70, NFPA 72 and NFPA 72E.

B.Fasten equipment to structural members of building or metal supports attached to structure, or to concrete surfaces.

3.03 CONDUCTORS

A.Each conductor shall be identified as shown on the drawings at each with wire markers at every splice and terminal point. Attach permanent wire markers within 2 inches of the wire termination. Marker legends shall be visible.

1.All wiring shall be supplied and installed in compliance with the requirements of the National Electric Code, NFPA 70, Article 760, and that of the manufacturer.

2.Wiring for analog loop circuits and speaker circuits shall be 18 AWG twisted. Wiring for strobe and audible circuits shall be a minimum 18 AWG.

3.All splices shall be made using pressure connectors. All connectors shall be installed in conformance with the manufacturers recommendations.

4.Crimpon type spade lugs shall be used for termination of stranded conductors to binder screw or stud type terminals. Spade lugs shall have upset legs and insulation sleeves sized for the conductors.

B.Permanently label or mark each conductor at both ends with permanent alphanumeric wire markers.

C.A consistent color code for fire alarm system conductors throughout the installation.

1.The Sub-contractor shall submit for approval prior to installation of wire, a proposed color code for system conductors to allow rapid identification of circuit types.

D.Wiring within sub panels shall be arranged and routed to allow accessibility to equipment for adjustment and maintenance.

3.04 CERTIFICATE OF COMPLETION

A.Complete and submit to the Supervision Consultant in accordance with NFPA 72, Article 1-7.2 (1993 Edition.)

3.05 FIELD QUALITY CONTROL

A.Testing, general:1.All intelligent analog devices shall be tested for correct address and sensitivity using test equipment specifically manufactured for that purpose. These devices and their bases shall be tagged with adhesive tags located in an area not visible when installed, showing the system address, initials of the installing technician and date.

2.Wiring runs shall be tested for continuity, short circuits and grounds before system is energized. Resistance, current and voltage readings shall be made as work progresses.

a.A systematic record shall be maintained of all readings using schedules or charts of tests and measurements. Areas shall be provided on the logging form for readings, dates and witnesses.

b.The acceptance inspector shall be notified before the start of the required tests. All items found at variance with the drawings or this specification during testing or inspection by the acceptance inspector, shall be corrected.

c.Test reports shall be delivered to the acceptance inspector as completed.

3.All test equipment, instruments, tools and labor required to conduct the system tests shall be made available by the Sub-contractor. The following equipment shall be a minimum for conducting the tests:

a. Ladders and scaffolds as required to access all installed equipment.

b. Multimeter for reading voltage. current and resistance.

c. Intelligent device programmer/tester.

d. Laptop computer with programming software for any required program revisions.e. Two way radios, flashlights, smoke generation devices and supplies.

f. Door fan test equipment as required to test for enclosure leakage (room integrity test). Systems requiring release of agent for approval are not acceptable.

g. All required pipe pressure test meters to indicate acceptable system installation for distribution of extinguishing agent.

4.In addition to the testing specified to be performed by the Sub-contractor, the installation shall be subject to test by the acceptance inspector and Supervision Consultant.

5.System wiring: fire alarm circuits shall be tested for continuity, grounds, and short circuits.

B.Acceptance testing:1.Written acceptance test procedure (ATP)for testing the fire detection and extinguishing system components and installation will be prepared by the Supervision Consultant in accordance with NFPA 72, NFPA 72E NFPA 72H and this specification. The Sub-contractor shall be responsible for the performance of the ATP, demonstrating the function of the system and verifying the correct operation of all system components, circuits, and programming.

2.A program matrix shall be prepared by the Sub-contractor referencing each alarm input to every output function affected as a result of an alarm condition on that input. In the case of outputs programmed using more complex logic functions involving "any", "or", "not", "count", "time", and "timer" statements; the complete output equation shall be referenced in the matrix.

3.A complete listing of all device labels for alphanumeric annunciator displays and logging printers shall be prepared by the Sub-contractor.

4.The acceptance inspector shall use the system record drawings in combination with the documents specified under paragraph 3.01 During the testing procedure to verify operation as programmed. In conducting the ATP, the acceptance inspector shall request demonstration of any or all input and output functions. The items tested shall include but not be limited to the following:

a.System wiring shall be tested to demonstrate correct system response and correct subsequent system operation in the event of:1) Open, shorted and grounded intelligent analog signaling circuit.

2) Open, shorted and grounded network signaling circuit.

3) Open, shorted and grounded conventional zone circuits.

4) Open, shorted and grounded evacuation signal indicating circuits.

5) Intelligent device removal.

6) Primary power or battery disconnected.

7) Incorrect device at address.

8) Printer trouble, off line or out of paper.

b.System alarm indicating appliances shall be demonstrated as follows:

1) All alarm notification appliances actuate as programmed.

2) Audibility and visibility at required levels.

3) Programmed solenoid activation for release of extinguishing agent under all logic conditions as specified.

c.System indications shall be demonstrated as follows:

1) Correct message display for each alarm input at the control panel, each remote alphanumeric display.

d.System offsite reporting functions shall be demonstrated as follows:

1) Correct zone transmitted for each alarm input.

2) Trouble signals received for disconnect.

e.Secondary power capabilities shall be demonstrated as follows:

1) System primary power shall be disconnected for a period of time as specified herein. At the end of that period, an alarm condition shall be created and the system shall perform as specified for a period as specified.

2) System primary power shall be restored for forty eight hours and system charging current shall be normal trickle charge for a fully charged battery bank.

3) System battery voltages and charging currents shall be checked at the fire alarm control panel using the test codes and displayed on the LCD display.

5.Upon completion of the release control testing, room integrity tests shall be conducted by the equipment manufacturer's representative in the presence of the Supervision Consultant's representative.

a.Visual inspection shall verify the integrity of door bottom seals, dampers, weather stripping, caulking and foam sealant to assure that the protected area will contain the extinguishing agent for the required ten minutes. While the required work being inspected may be performed by other trades on the project, the responsibility for determining that corrective action is required shall rest with the Sub-contractor.

1) The Sub-contractor shall have the responsibility for determining the integrity of the room and shall be responsible for retesting if the tests fail due to excessive leakage or equipment failure after the corrective action has been completed.

The piping shall be pneumatically tested in a closed circuit for a period of ten minutes at 150 psig. At the end of the ten minutes, the pressure drop shall not exceed 15% of the test pressure (30 psig). While pressurizing the piping, pressure shall be increased in 50 psig increments.

A flow test using nitrogen shall be performed on the piping network to verify that flow is continuous and the piping nozzles are unobstructed.

6.In the event of system failure to perform as specified and programmed during the ATP procedure, at the discretion of the acceptance inspector, the test shall be terminated.

a.The Sub-contractor shall retest the system, correcting all deficiencies and providing test documentation to the acceptance inspector.

b.The acceptance inspector may elect to require the complete ATP to be performed again if, in his opinion, modifications to the system hardware or software warrant complete retesting.

3.06 SERVICES

A.The Sub-contractor shall warrant the entire system against mechanical and electrical defects for a period described in the Sub-contract general conditions.

B.The Sub-contractor shall offer for the owners consideration at the time of system submittal a priced inspection, maintenance, testing and repair Sub-contract in full compliance with the requirements of NFPA 72H and NFPA 2001.

1.The services offered under this Sub-contract shall be performed at no charge during the first year after system acceptance and the owner shall have the option of renewing for single or multiple years up to five years at the price quoted upon completion of the warranty period.

2.The Sub-contractor performing the Sub-contract services shall be qualified and listed to maintain ongoing certification of the completed system to the UL for specific installed system listing.

C.The Sub-contractor shall furnish training as follows for a minimum of four employees of the system user:

1. Training in the receipt, handling and acknowledgment of alarms.

2. Training in the system operation including manual control of output functions from the system control panel.

3. Training in the testing of the system including logging of detector sensitivity, field test of devices and response to common troubles.

4. The total training requirement shall be a minimum of 8 hours, but shall be sufficient to cover all items specified.

END OF SECTION

Burj Dubai Dubai Mall Hotel, Dubai, United Arab Emirates

Gas Suppression Alarm System

MEP Spec-For Construction (Date of Issue: Jan 2006)

15365.11