36C25918R0278-008.pdf

Grand Junction VAMC April 6, 2018 Elimination of Substandard Beds 3rd floor Addend um #1 Grand Junction, CO 81501 Project No. 575-13-101

FIRE DETECTION AND ALARM

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SECTION 28 31 00

PART 1 - GENERAL

1.1 DESCRIPTIONP

A. This section of the specifications includes the furnishing, installation, and connection of the fire alarm equi pment to form a complete coordinated system ready for operation. It shall include, but not be limited to, alarm initiating devices, alarm notification appliances, control units, fire safety control devi ces, annunciators, power supplies, and wiring as shown on the drawings and specified. The fire alarm system shall not be combined with other systems such as building automation, energy management, security, e tc.

B. Fire alarm systems shall comply with requirement s of the most recent VA

FIRE PROTECTION DESIGN MANUAL and NFPA 72 unless va riations to NFPA 72 are specifically identified within these contract d ocuments by the following notation: "variation". The design, system layout, document submittal preparation, and supervision of installat ion and testing shall be provided by a technician that is certified NICET level III or a registered fire protection engineer. The NICET ce rtified technician shall be on site for the supervision and testing of the system. Factory engineers from the equipment manufacturer, thorough ly familiar and knowledgeable with all equipment utilized, shall pr ovide additional technical support at the site as required by the Co ntracting Officer’s

Representative (COR) or his authorized representati ve. Installers shall have a minimum of 2 years experience installing fir e alarm systems.

C. Fire alarm signals:

1. Building(s) Building 1 2nd floor shall have an a utomatic digitized voice fire alarm signal with emergency manual voice override to notify occupants to evacuate. The digitized voice m essage shall identify the area of the building (smoke zone) from which the alarm was initiated.

2. Building(s) Building 1 2nd floor shall have a ge neral evacuation fire alarm signal in accordance with ASA S3.41 to n otify all occupants in the respective building to evacuate.

D. Alarm signals (by device), supervisory signals ( by device) and system trouble signals (by device not reporting) shall be distinctly transmitted to the main fire alarm system control u nit located in the

283100 - 2 security office telephone operator’s office boile r plant fire department .

E. The main fire alarm control unit shall automatic ally transmit alarm signals to a listed central station using a digital alarm communicator transmitter in accordance with NFPA 72.

1.2 SCOPE

A. A fully addressable fire alarm system as an exte nsion of an existing

Simplex addressable fire alarm system shall be desi gned and installed in accordance with the specifications and drawings. Device location and wiring runs shown on the drawings are for reference only unless specifically dimensioned. Actual locations shall be in accordance with

NFPA 72 and this specification.

B. All existing fire alarm equipment, wiring, devic es and sub-systems that are not shown to be reused shall be removed. All ex isting fire alarm conduit not reused shall be removed.

C. Existing reused equipment shall be covered as ne w equipment under the

Warranty specified herein.

D. Basic Performance:

1. Alarm and trouble signals from each building fir e alarm control panel shall be digitally encoded by UL listed elect ronic devices onto a multiplexed communication system.

2. Response time between alarm initiation (contact closure) and recording at the main fire alarm control unit (appe arance on alphanumeric read out) shall not exceed 5 seconds.

3. The signaling line circuits (SLC) between buildi ng fire alarm control units shall be wired Style 7 in accordance with NFPA 72.

Isolation shall be provided so that no more than on e building can be lost due to a short circuit fault.

4. Initiating device circuits (IDC) shall be wired Style B in accordance with NFPA 72.

5. Signaling line circuits (SLC) within buildings s hall be wired Style

4 in accordance with NFPA 72. Individual signaling line circuits shall be limited to covering 22,500 square feet (2, 090 square meters) of floor space or 3 floors whichever is les s.

6. Notification appliance circuits (NAC) shall be w ired Style Y in accordance with NFPA 72.

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1.3 RELATED WORK

A. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, A ND SAMPLES.

Requirements for procedures for submittals.

B. Section 07 84 00 - FIRESTOPPING. Requirements fo r fire proofing wall penetrations.

C. Section 08 71 00 - DOOR HARDWARE. For combinati on Closer-Holders.

D. Section 21 13 13 - WET-PIPE SPRINKLER SYSTEMS. Requirements for sprinkler systems

E. Section 28 05 00 – COMMON WORK RESULTS FOR ELECT RONIC SAFETY AND

SECURITY. Requirements for general requirements tha t are common to more than one section in Division 28.

F. Section 28 05 13 - CONDUCTORS AND CABLES FOR ELE CTRONIC SAFETY AND

SECURITY. Requirements for conductors and cables.

G. Section 28 05 26 - GROUNDING AND BONDING FOR ELE CTRONIC SAFETY AND

SECURITY. Requirements for grounding of equipment.

H. Section 28 05 28.33 - CONDUITS AND BACKBOXES FOR ELECTRONIC SAFETY AND

SECURITY. Requirements for infrastructure.

I. Section 28 05 13 - CONDUCTORS AND CABLES FOR ELE CTRONIC SAFETY AND

SECURITY. Requirements for conductors and cables.

1.4 SUBMITTALS

A. General: Submit 5 copies in accordance with Sect ion 01 33 23, SHOP

DRAWINGS, PRODUCT DATA, AND SAMPLES, and Section 26 05 11, REQUIREMENTS

FOR ELECTRICAL INSTALLATIONS.

B. Drawings:

1. Prepare drawings using AutoCAD Latest Release so ftware and include all contractors’ information. Layering shall be by VA criteria as provided by the COR. Bid drawing files on AutoCAD shall be provided to the Contractor at the pre-construction meeting. The contractor shall be responsible for verifying all critical dim ensions shown on the drawings provided by VA.

2. Floor plans: Provide locations of all devices (w ith device number at each addressable device corresponding to control un it programming), appliances, panels, equipment, junction/terminal ca binets/boxes, risers, electrical power connections, individual ci rcuits and raceway routing, system zoning; number, size, and t ype of raceways and conductors in each raceway; conduit fill calcul ations with cross section area percent fill for each type and size of conductor and

283100 - 4 raceway. Only those devices connected and incorpora ted into the final system shall be on these floor plans. Do not show any removed devices on the floor plans. Show all interfaces for all fire safety functions.

3. Riser diagrams: Provide, for the entire system, the number, size and type of riser raceways and conductors in each riser raceway and number of each type device per floor and zone. Show door holder interface, elevator control interface, HVAC shutdow n interface, fire extinguishing system interface, and all other fire safety interfaces. Show wiring Styles on the riser diagram for all circuits. Provide diagrams both per building and ca mpus wide basis.

4. Detailed wiring diagrams: Provide for control pa nels, modules, power supplies, electrical power connections, auxiliary r elays and annunciators showing termination identifications, s ize and type conductors, circuit boards, LED lamps, indicators, adjustable controls, switches, ribbon connectors, wiring harne sses, terminal strips and connectors, spare zones/circuits. Diagra ms shall be drawn to a scale sufficient to show spatial relationships between components, enclosures and equipment configuration.

5. Two weeks prior to final inspection, the Contrac tor shall deliver to the COR 3 sets of as-built drawings and one set of the as-built drawing computer files using AutoCAD latest release . As-built drawings (floor plans) shall show all new and/or ex isting conduit used for the fire alarm system.

C. Manuals:

1. Submit simultaneously with the shop drawings, co mpanion copies of complete maintenance and operating manuals includin g technical data sheets for all items used in the system, power requ irements, device wiring diagrams, dimensions, and information for or dering replacement parts.

a. Wiring diagrams shall have their terminals ident ified to facilitate installation, operation, expansion and m aintenance.

b. Wiring diagrams shall indicate internal wiring f or each item of equipment and the interconnections between the item s of equipment.

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c. Include complete listing of all software used an d installation and operation instructions including the input/outp ut matrix chart.

d. Provide a clear and concise description of opera tion that gives, in detail, the information required to properly ope rate, inspect, test and maintain the equipment and system. Provide all manufacturer's installation limitations including b ut not limited to circuit length limitations.

e. Complete listing of all digitized voice messages .

f. Provide standby battery calculations under norma l operating and alarm modes. Battery calculations shall include the magnets for holding the doors open for one minute.

g. Include information indicating who shall provide emergency service and perform post contract maintenance.

h. Provide a replacement parts list with current pr ices. Include a list of recommended spare parts, tools, and instrum ents for testing and maintenance purposes.

i. A computerized preventive maintenance schedule f or all equipment.

The schedule shall be provided on disk in a compute r format acceptable to the VAMC and shall describe the proto col for preventive maintenance of all equipment. The schedu le shall include the required times for systematic examinati on, adjustment and cleaning of all equipment. A print out of the s chedule shall also be provided in the manual. Provide the disk in a pocket within the manual.

j. Furnish manuals in 3 ring loose-leaf binder or m anufacturer's standard binder.

k. A print out for all devices proposed on each sig naling line circuit with spare capacity indicated.

2. Two weeks prior to final inspection, deliver 4 c opies of the final updated maintenance and operating manual to the COR .

a. The manual shall be updated to include any infor mation necessitated by the maintenance and operating manua l approval.

b. Complete "As installed" wiring and schematic dia grams shall be included that shows all items of equipment and thei r interconnecting wiring. Show all final terminal ide ntifications.

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c. Complete listing of all programming information, including all control events per device including an updated inpu t/output matrix.

d. Certificate of Installation as required by NFPA 72 for each building. The certificate shall identify any variat ions from the

National Fire Alarm Code.

e. Certificate from equipment manufacturer assuring compliance with all manufacturers installation requirements and sat isfactory system operation.

D. Certifications:

1. Together with the shop drawing submittal, submit the technician's

NICET level III fire alarm certification as well as certification from the control unit manufacturer that the propose d performer of contract maintenance is an authorized representativ e of the major equipment manufacturer. Include in the certificatio n the names and addresses of the proposed supervisor of installatio n and the proposed performer of contract maintenance. Also in clude the name and title of the manufacturer’s representative who makes the certification.

2. Together with the shop drawing submittal, submit a certification from either the control unit manufacturer or the ma nufacturer of each component (e.g., smoke detector) that the comp onents being furnished are compatible with the control unit.

3. Together with the shop drawing submittal, submit a certification from the major equipment manufacturer that the wiri ng and connection diagrams meet this specification, UL and NFPA 72 re quirements.

1.5 WARRANTY

A. All work performed and all material and equipmen t furnished under this contract shall be free from defects and shall remai n so for a period of one year from the date of acceptance of the entire installation by the

Contracting Officer.

1.6 GUARANTY PERIOD SERVICES

A. Complete inspection, testing, maintenance and re pair service for the fire alarm system shall be provided by a factory tr ained authorized representative of the manufacturer of the major equ ipment for a period of 5 years from the date of acceptance of the entir e installation by the Contracting Officer.

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B. Contractor shall provide all necessary test equi pment, parts and labor to perform required inspection, testing, maintenanc e and repair.

C. All inspection, testing, maintenance and permane nt records required by

NFPA 72, and recommended by the equipment manufactu rer shall be provided by the contractor. Work shall include oper ation of sprinkler system alarm and supervisory devices as well as all reused existing equipment connected to the fire alarm system. It sh all include all interfaced equipment including but not limited to e levators, HVAC shutdown, and extinguishing systems.

D. Maintenance and testing shall be performed in ac cordance with NFPA 72.

A computerized preventive maintenance schedule shal l be provided and shall describe the protocol for preventive maintena nce of equipment.

The schedule shall include a systematic examination , adjustment and cleaning of all equipment.

E. Non-included Work: Repair service shall not incl ude the performance of any work due to improper use, accidents, or neglige nce for which the contractor is not responsible.

F. Service and emergency personnel shall report to the Engineering Office or their authorized representative upon arrival at the hospital and again upon the completion of the required work. A c opy of the work ticket containing a complete description of the wor k performed and parts replaced shall be provided to the VA COR or h is authorized representative.

G. Emergency Service:

1. Warranty Period Service: Service other than the preventative maintenance, inspection, and testing required by NF PA 72 shall be considered emergency call-back service and covered under the warranty of the installation during the first year of the warranty period, unless the required service is a result of abuse or misuse by the Government. Written notification shall not b e required for emergency warranty period service and the contracto r shall respond as outlined in the following sections on Normal and Overtime

Emergency Call-Back Service. Warranty period servic e can be required during normal or overtime emergency call-back servi ce time periods at the discretion of the COR or his authorized repr esentative.

2. Normal and overtime emergency call-back service shall consist of an on-site response within 2 hours of notification of a system trouble.

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3. Normal emergency call-back service times are bet ween the hours of

7:30 a.m. and 4:00 p.m., Monday through Friday, exc lusive of federal holidays. Service performed during all other times shall be considered to be overtime emergency call-back servi ce. The cost of all normal emergency call-back service for years 2 through 5 shall be included in the cost of this contract.

4. Overtime emergency call-back service shall be pr ovided for the system when requested by the Government. The cost o f the first 40 manhours per year of overtime call-back service dur ing years 2 through 5 of this contract shall be provided under this contract.

Payment for overtime emergency call-back service in excess of the 40 man hours per year requirement shall be handled thr ough separate purchase orders. The method of calculating overtime emergency call-back hours is based on actual time spent on site an d does not include travel time.

H. The contractor shall maintain a log at each fire alarm control unit.

The log shall list the date and time of all examina tions and trouble calls, condition of the system, and name of the tec hnician. Each trouble call shall be fully described, including th e nature of the trouble, necessary correction performed, and parts replaced.

I. In the event that VA modifies the fire alarm sy stem post-Acceptance but during the 5 year Guaranty Period Service period, C ontractor shall be required to verify that the system, as newly modifi ed or added, is consistent with the manufacturer's requirements; an y verification performed shall be equitably adjusted under the Cha nges clause. The post-Acceptance modification or addition to the fir e alarm system shall not void the continuing requirements under this con tract set forth in the Guarantee Period Service provision for the fire alarm system as modified or added. The contract shall be equitably adjusted under the

Changes clause for such additional performance.

1.7 APPLICABLE PUBLICATIONS

A. The publications listed below (including amendme nts, addenda, revisions, supplements and errata) form a part of t his specification to the extent referenced. The publications are referen ced in text by the basic designation only and the latest editions of t hese publications shall be applicable.

B. National Fire Protection Association (NFPA):

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NFPA 13 ................Standard for the Installati on of Sprinkler

Systems, 2010 edition

NFPA 14 ................ Standard for the Installation of Standpipes and

Hose Systems, 2010 edition

NFPA 20 ................ Standard for the Installation of Stationary

Pumps for Fire Protection, 2010 edition

NFPA 70.................National Electrical Code (N EC), 2010 edition

NFPA 72.................National Fire Alarm Code, 2 010 edition

NFPA 90A................Standard for the Installati on of Air

Conditioning and Ventilating Systems, 2009 edition

NFPA 101................Life Safety Code, 2009 edit ion

C. Underwriters Laboratories, Inc. (UL): Fire Prote ction Equipment

Directory

D. Factory Mutual Research Corp (FM): Approval Guid e, 2007-2011

E. American National Standards Institute (ANSI):

S3.41...................Audible Emergency Evacuatio n Signal, 1990 edition, reaffirmed 2008

F. International Code Council, International Buildi ng Code (IBC), 2009 edition

PART 2 - PRODUCTS

2.1 EQUIPMENT AND MATERIALS, GENERAL

A. All equipment and components shall be new and th e manufacturer's current model. All equipment shall be tested and li sted by Underwriters

Laboratories, Inc. or Factory Mutual Research Corpo ration for use as part of a fire alarm system. The authorized represe ntative of the manufacturer of the major equipment shall certify t hat the installation complies with all manufacturers’ requirements and t hat satisfactory total system operation has been achieved.

2.2 CONDUIT, BOXES, AND WIRE

A. Conduit shall be in accordance with Section 28 0 5 28.33 CONDUIT AND

BACKBOXES FOR ELECTRONIC SAFETY AND SECURITY and as follows:

1. All new conduits shall be installed in accordanc e with NFPA 70.

2. Conduit fill shall not exceed 40 percent of inte rior cross sectional area.

3. All new conduits shall be 3/4 inch (19 mm) minim um.

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B. Wire:

1. Wiring shall be in accordance with NEC article 7 60, Section 28 05

13, CONDUCTORS AND CABLES FOR ELECTRONIC SAFETY AND SECURITY, and as recommended by the manufacturer of the fire alarm s ystem. All wires shall be color coded. Number and size of conductors shall be as recommended by the fire alarm system manufacturer, but not less than

18 AWG for initiating device circuits and 14 AWG fo r notification device circuits.

2. Addressable circuits and wiring used for the mul tiplex communication loop shall be twisted and shielded unless specifica lly excepted by the fire alarm equipment manufacturer in writing.

3. Any fire alarm system wiring that extends outsid e of a building shall have additional power surge protection to pro tect equipment from physical damage and false signals due to light ning, voltage and current induced transients. Protection devices shal l be shown on the submittal drawings and shall be UL listed or in acc ordance with written manufacturer's requirements.

4. All wire or cable used in underground conduits i ncluding those in concrete shall be listed for wet locations.

C. Terminal Boxes, Junction Boxes, and Cabinets:

1. Shall be galvanized steel in accordance with UL requirements.

2. All boxes shall be sized and installed in accord ance with NFPA 70.

3. covers shall be repainted red in accordance with Section 09 91 00, PAINTING and shall be identified with white marking s as "FA" for junction boxes and as "FIRE ALARM SYSTEM" for cabin ets and terminal boxes. Lettering shall be a minimum of 3/4 inch (19 mm) high.

4. Terminal boxes and cabinets shall have a volume 50 percent greater than required by the NFPA 70. Minimum sized wire sh all be considered as 14 AWG for calculation purposes.

5. Terminal boxes and cabinets shall have identifie d pressure type terminal strips and shall be located at the base of each riser.

Terminal strips shall be labeled as specified or as approved by the

COR.

2.3 STANDBY POWER SUPPLY

A. Uninterrupted Power Supply (UPS):

1. The UPS system shall be comprised of a static in verter, a precision battery float charger, and sealed maintenance free batteries.

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2. Under normal operating conditions, the load shal l be filtered through a ferroresonant transformer.

3. When normal AC power fails, the inverter shall s upply AC power to the transformer from the battery source. There shal l be no break in output of the system during transfer of the system from normal to battery supply or back to normal.

4. Batteries shall be sealed, gel cell type.

5. UPS system shall be sized to operate the central processor, CRT, printer, and all other directly connected equipment for 5 minutes upon a normal AC power failure.

B. Batteries:

1. Battery shall be of the sealed, maintenance free type, 24-volt nominal.

2. Battery shall have sufficient capacity to power the fire alarm system for not less than 24 hours plus 5 minutes of alarm to an end voltage of 1.14 volts per cell, upon a normal AC po wer failure.

3. Battery racks shall be steel with an alkali-resi stant finish.

Batteries shall be secured in seismic areas 2B, 3, or 4 as defined by the Uniform Building Code.

C. Battery Charger:

1. Shall be completely automatic, with constant pot ential charger maintaining the battery fully charged under all ser vice conditions.

Charger shall operate from a 120-volt, 60 hertz eme rgency power source.

2. Shall be rated for fully charging a completely d ischarged battery within 48 hours while simultaneously supplying any loads connected to the battery.

3. Shall have protection to prevent discharge throu gh the charger.

4. Shall have protection for overloads and short ci rcuits on both AC and DC sides.

5. A trouble condition shall actuate the fire alarm trouble signal.

6. Charger shall have automatic AC line voltage reg ulation, automatic current-limiting features, and adjustable voltage c ontrols.

2.4 ANNUNCIATION- EXISTING

A. Annunciator, Alphanumeric Type (System):

1. Shall be a supervised, LCD display containing a minimum of 2 lines of 40 characters for alarm annunciation in clear En glish text.

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2. Message shall identify building number, floor, z one, etc on the first line and device description and status (pull station, smoke detector, waterflow alarm or trouble condition) on the second line.

3. The initial alarm received shall be indicated as such.

4. A selector switch shall be provided for viewing subsequent alarm messages.

5. The display shall be UL listed for fire alarm ap plication.

6. Annunciators shall display information for all b uildings connected to the system. Local building annunciators, for gen eral evacuation system buildings, shall be permitted when shown on the drawings and approved by the COR.

7. Modify existing annunciator to reflect the new d evices on the third floor renovation of sub standard beds.

2.5 VOICE COMMUNICATION SYSTEM (VCS)

A. GENERAL:

1. An emergency voice communication system shall be installed throughout 2nd floor addition/renovation.

2. Upon receipt of an alarm signal from the buildin g fire alarm system, the VCS shall automatically transmit a pre-recorded fire alarm message throughout the building throughout the flo or in alarm, the floor above, and the floor below .

3. A digitized voice module shall be used to store each prerecorded message.

4. The VCS shall be arranged as a dual channel syst em capable of transmitting 2 different messages simultaneously si ngle channel system.

5. The VCS shall supervise all speaker circuits, co ntrol equipment, remote audio control equipment, and amplifiers.

B. Speaker Circuit Control Unit:

1. The speaker circuit control unit shall include s witches to manually activate or deactivate speaker circuits grouped by floor in the system.

2. Speaker circuit control switches shall provide o n, off, and automatic positions and indications.

3. The speaker circuit control unit shall include v isual indication of active or trouble status for each group of speaker circuits in the system.

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4. A trouble indication shall be provided if a spea ker circuit group is disabled.

5. A lamp test switch shall be provided to test all indicator lamps.

6. A single "all call" switch shall be provided to activate all speaker circuit groups simultaneously.

7. A push-to-talk microphone shall be provided for manual voice messages.

8. Remote microphones shall be provided in the ide ntify location of 24 hour manned location such as security office and/or telephone operators area/boiler plant/ fire department for m anual "all call" messages to each individual building and throughout all buildings identify all buildings to receive voice messages at one time .

9. A voice message disconnect switch shall be provi ded to disconnect automatic digitized voice messages from the system. The system shall be arranged to allow manual voice messages and indi cate a system trouble condition when activated.

C. Speaker Circuit Arrangement:

1. Speaker circuits shall be arranged such that the re is one speaker circuit per smoke zone.

2. Audio amplifiers and control equipment shall be electrically supervised for normal and abnormal conditions.

3. Speaker circuits shall be either 25 VRMS or 70.7 VRMS with a minimum of 50 percent spare power available.

4. Speaker circuits and control equipment shall be arranged such that loss of any one speaker circuit shall not cause the loss of any other speaker circuit in the system.

D. Digitized Voice Module (DVM):

1. The Digitized Voice Module shall provide prereco rded digitized evacuation and instructional messages. The messages shall be professionally recorded and approved by the COR pri or to programming.

2. The DVM shall be configured to automatically out put to the desired circuits following a 10-second slow whoop alert ton e.

3. Prerecorded magnetic taped messages and tape pla yers are not permitted.

4. The digitized message capacity shall be no less than 15 second in length.

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5. The digitized message shall be transmitted 3 tim es.

6. The DVM shall be supervised for operational stat us.

7. Failure of the DVM shall result in the transmiss ion of a constant alarm tone.

8. The DVM memory shall have a minimum 50 percent s pare capacity after those messages identified in this section are recor ded. Multiple

DVM's shall be used to obtain the required capacity .

E. Audio Amplifiers:

1. Audio Amplifiers shall provide a minimum of 50 W atts at either 25 or

70.7 VRMS output voltage levels.

2. Amplifiers shall be continuously supervised for operational status.

3. Amplifiers shall be configured for either single or dual channel application.

4. Each audio output circuit connection shall be co nfigurable for Style

X.

5. A minimum of 50 percent spare output capacity sh all be available for each amplifier.

F. Tone Generator(s):

1. Tone Generator(s) shall be capable of providing a distinctive 3-pulse temporal pattern fire alarm signal as well as a slow whoop.

2. Tone Generator(s) shall be continuously supervis ed for operational status.

2.6 ALARM NOTIFICATION APPLIANCES

A. Speakers: Provide dual coil and dual transformer units

1. Shall operate on either 25 VRMS or 70.7 VRMS wit h field selectable output taps from 0.5 to 2.0W and originally install ed at the 1/2 watt tap. Speakers shall provide a minimum sound ou tput of 80 dBA at

10 feet (3,000 mm) with the 1/2 watt tap.

2. Frequency response shall be a minimum of 400 HZ to 4,000 HZ.

3. Four inches (100 mm) or 8 inches (200 mm) cone t ype speakers ceiling mounted with white colored baffles in areas with su spended ceilings and wall mounted in areas without ceilings.

B. Strobes:

1. Xenon flash tube type minimum 15 candela in toil et rooms and 75 candela in all other areas with a flash rate of 1 H Z. Strobes shall be synchronized where required by the National Fire Alarm Code (NFPA

72).

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2. Backplate shall be red with 1/2 inch (13 mm) per manent red letters.

Lettering to read "Fire", be oriented on the wall o r ceiling properly, and be visible from all viewing direction s.

3. Each strobe circuit shall have a minimum of 20 p ercent spare capacity.

4. Strobes shall be combined with the audible notif ication appliances specified herein.

C. Fire Alarm Horns:

1. Shall be electric, utilizing solid state electro nic technology operating on a nominal 24 VDC.

2. Shall be a minimum nominal rating of 80 dBA at 1 0 feet (3,000 mm).

3. Mount on removable adapter plates on conduit box es.

4. Horns located outdoors shall be of weatherproof type with metal housing and protective grille.

5. Each horn circuit shall have a minimum of 20 per cent spare capacity.

2.7 ALARM INITIATING DEVICES

A. Manual Fire Alarm Stations:

1. Shall be non-breakglass, address reporting type.

2. Station front shall be constructed of a durable material such as cast or extruded metal or high impact plastic. Stat ions shall be semi-flush type.

3. Stations shall be of dual action pull down type with suitable operating instructions provided on front in raised or depressed letters, and clearly labeled "FIRE."

4. Operating handles shall be constructed of a dura ble material. On operation, the lever shall lock in alarm position a nd remain so until reset. A key shall be required to gain front access for resetting, or conducting tests and drills.

5. Unless otherwise specified, all exposed parts sh all be red in color and have a smooth, hard, durable finish.

B. Smoke Detectors:

1. Smoke detectors shall be photoelectric type and UL listed for use with the fire alarm control unit being furnished.

2. Smoke detectors shall be addressable type comply ing with applicable

UL Standards for system type detectors. Smoke detec tors shall be installed in accordance with the manufacturer's rec ommendations and

NFPA 72.

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3. Detectors shall have an indication lamp to denot e an alarm condition. Provide remote indicator lamps and iden tification plates where detectors are concealed from view. Locate the remote indicator lamps and identification plates flush mounted on wa lls so they can be observed from a normal standing position.

4. All spot type and duct type detectors installed shall be of the photoelectric type.

5. Photoelectric detectors shall be factory calibra ted and readily field adjustable. The sensitivity of any photoelect ric detector shall be factory set at 3.0 plus or minus 0.25 perc ent obscuration per foot.

6. Detectors shall provide a visual trouble indicat ion if they drift out of sensitivity range or fail internal diagnosti cs. Detectors shall also provide visual indication of sensitivity level upon testing. Detectors, along with the fire alarm contr ol units shall be

UL listed for testing the sensitivity of the detect ors.

C. Heat Detectors:

1. Heat detectors shall be of the addressable resto rable rate compensated fixed-temperature spot type.

2. Detectors shall have a minimum smooth ceiling ra ting of 2,500 square feet (230 square meters).

2.8 SUPERVISORY DEVICES

A. Duct Smoke Detectors:

1. Duct smoke detectors shall be provided and conne cted by way of an address reporting interface device. Detectors shall be provided with an approved duct housing mounted exterior to the du ct, and shall have perforated sampling tubes extending across the full width of the duct (wall to wall). Detector placement shall b e such that there is uniform airflow in the cross section of the duct .

2. Interlocking with fans shall be provided in acco rdance with NFPA 90A and as specified hereinafter under Part 3.2, "TYPIC AL OPERATION".

3. Provide remote indicator lamps, key test station s and identification nameplates (e.g. "DUCT SMOKE DETECTOR AHU-X") for a ll duct detectors. Locate key test stations in plain view o n walls or ceilings so that they can be observed and operated from a normal standing position.

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2.9 ADDRESS REPORTING INTERFACE DEVICE

A. Shall have unique addresses that reports directl y to the building fire alarm panel.

B. Shall be configurable to monitor normally open o r normally closed devices for both alarm and trouble conditions.

C. Shall have terminal designations clearly differe ntiating between the circuit to which they are reporting from and the de vice that they are monitoring.

D. Shall be UL listed for fire alarm use and compat ibility with the panel to which they are connected.

E. Shall be mounted in weatherproof housings if mou nted exterior to a building.

2.10 SMOKE BARRIER DOOR CONTROL

A. Electromagnetic Door Holders:

1. New Door Holders shall be standard wall mounted electromagnetic type. In locations where doors do not come in conta ct with the wall when in the full open position, an extension post s hall be added to the door bracket.

2. Operation shall be by 24 volt DC supplied from a battery located at the fire alarm control unit. Door holders shall be coordinated as to voltage, ampere drain, and voltage drop with the ba ttery, battery charger, wiring and fire alarm system for operation as specified.

B. A maximum of twelve door holders shall be provid ed for each circuit.

Door holders shall be wired to allow releasing door s by smoke zone.

C. Door holder control circuits shall be electrical ly supervised.

D. Smoke detectors shall not be incorporated as an integral part of door holders.

2.11 UTILITY LOCKS AND KEYS:

A. All key operated test switches, control units, a nnunciator panels and lockable cabinets shall be provided with a single s tandardized utility lock and key.

B. Key-operated manual fire alarm stations shall ha ve a single standardized lock and key separate from the control equipment.

C. All keys shall be delivered to the COR.

2.12 SPARE AND REPLACEMENT PARTS

A. Provide spare and replacement parts as follows:

1. Manual pull stations - 1

283100 - 18

2. Key operated manual pull stations - 3

3. Heat detectors - 2 of each type

4. Fire alarm strobes - 1

5. Fire alarm bells - 1

6. Fire alarm speakers - 2

7. Smoke detectors - 6

8. Duct smoke detectors with all appurtenances - 1

9. Sprinkler system water flow switch - 1 of each s ize

10. Sprinkler system water pressure switch - 1 of e ach type

11. Sprinkler valve tamper switch - 1 of each type

12. Control equipment utility locksets - 5

13. Control equipment keys - 25

14. Key operated manual pull station keys –6

15. 2.5 oz containers aerosol smoke - 6

16. Fire alarm SLC cable (same as installed) – 500 feet (152 m)

B. Keys for key-operated manual pull stations sha ll be provided 30 days prior to actual installation.

C. Spare and replacement parts shall be in original packaging and submitted to the COR.

D. Furnish and install a storage cabinet of suffici ent size and suitable for storing spare equipment. Doors shall include a pad locking device.

Padlock to be provided by the VA. Location of cabin et to be determined by the COR.

E. Provide to the VA, all hardware, software, progr amming tools, license and documentation necessary to permanently modify t he fire alarm system on site. The minimum level of modification includes addition and deletion of devices, circuits, zones and changes to system description, system operation, and digitized evacuation and inst ructional messages.

2.13 INSTRUCTION CHART:

Provide typewritten instruction card mounted behin d a Lexan plastic or glass cover in a stainless steel or aluminum frame with a backplate.

Install the frame in a conspicuous location observa ble from each control unit where operations are performed. The ca rd shall show those steps to be taken by an operator when a signal is r eceived under all conditions, normal, alarm, supervisory, and trouble . Provide an additional copy with the binder for the input outpu t matrix for the

283100 - 19 sequence of operation. The instructions shall be ap proved by the COR before being posted.

PART 3 - EXECUTION

3.1 INSTALLATION:

A. Installation shall be in accordance with NFPA 70 , 72, 90A, and 101 as shown on the drawings, and as recommended by the ma jor equipment manufacturer. Existing system is Notifier maintained by Commercial

Specialists in Grand Junction. Fire alarm wiring shall be installed in conduit. All conduit and wire shall be installed in accordance with, Section 28 05 13 CONDUCTORS AND CABLES FOR ELECTRON IC SAFETY AND

SECURITY, Section 28 05 26 GROUNDING AND BONDING FO R ELECTRONIC SAFETY

AND SECURITY, Section 28 05 28.33 CONDUIT AND BACKB OXES FOR ELECTRONIC

SAFETY AND SECURITY, and all penetrations of smoke and fire barriers shall be protected as required by Section 07 84 00, FIRESTOPPING.

B. All conduits, junction boxes, conduit supports a nd hangers shall be concealed in finished areas and shall be exposed in unfinished areas.

C. All new and reused exposed conduits shall be pai nted in accordance with

Section 09 91 00, PAINTING to match surrounding fin ished areas and red in unfinished areas.

D. All existing accessible fire alarm conduit not reused shall be removed.

E. Existing devices that are reused shall be prope rly mounted and installed. Where devices are installed on existing shallow backboxes, extension rings of the same material, color and tex ture of the new fire alarm devices shall be used. Mounting surfaces shal l be cut and patched in accordance with Section 01 00 00, GENERAL REQUIR EMENTS, Restoration, and be re-painted in accordance with Section 09 91 00, PAINTING as necessary to match existing.

F. All fire detection and alarm system devices, con trol units and remote annunciators shall be flush mounted when located in finished areas and shall be surface mounted when located in unfinished areas. Exact locations are to be approved by the COR.

G. Speakers shall be ceiling mounted and fully rece ssed in areas with suspended ceilings. Speakers shall be wall mounted and recessed in finished areas without suspended ceilings. Speakers shall be surface mounted in unfinished areas.

H. Strobes shall be flush wall mounted with the bot tom of the unit located

80 inches (2,000 mm) above the floor or 6 inches (1 50 mm) below

283100 - 20 ceiling, whichever is lower. Locate and mount to ma intain a minimum 36 inches (900 mm) clearance from side obstructions.

I. Manual pull stations shall be installed not less than 42 inches (1,050

mm) or more than 48 inches (1,200 mm) from finished floor to bottom of device and within 60 inches (1,500 mm) of a stairwa y or an exit door.

J. Where possible, locate water flow and pressure s witches a minimum of 12 inches (300 mm) from a fitting that changes the dir ection of the flow and a minimum of 36 inches (900 mm) from a valve.

K. Mount valve tamper switches so as not to interfe re with the normal operation of the valve and adjust to operate within 2 revolutions toward the closed position of the valve control, or when the stem has moved no more than 1/5 of the distance from its nor mal position.

L. Connect flow and tamper switches installed under Section 21 13 13, WET-

PIPE SPRINKLER SYSTEMS

M. Connect combination closer-holders installed und er Section 08 71 00, DOOR HARDWARE

3.2 TESTS

A. Provide the service of a NICET level III, compet ent, factory-trained engineer or technician authorized by the manufactur er of the fire alarm equipment to technically supervise and participate during all of the adjustments and tests for the system. Make all adju stments and tests in the presence of the COR.

B. When the systems have been completed and prior t o the scheduling of the final inspection, furnish testing equipment and per form the following tests in the presence of the COR. When any defects are detected, make repairs or install replacement components, and repe at the tests until such time that the complete fire alarm systems meet s all contract requirements. After the system has passed the initi al test and been approved by the COR, the contractor shall request a final inspection.

1. Before energizing the cables and wires, check fo r correct connections and test for short circuits, ground fau lts, continuity, and insulation.

2. Test the insulation on all installed cable and w iring by standard methods as recommended by the equipment manufacture r.

3. Run water through all flow switches. Check time delay on water flow switches. Submit a report listing all water flow sw itch operations and their retard time in seconds.

283100 - 21

4. Open each alarm initiating and notification circ uit to see if trouble signal actuates.

5. Ground each alarm initiation and notification ci rcuit and verify response of trouble signals.

3.3 FINAL INSPECTION AND ACCEPTANCE

A. Prior to final acceptance a minimum 30 day "burn -in" period shall be provided. The purpose shall be to allow equipment t o stabilize and potential installation and software problems and eq uipment malfunctions to be identified and corrected. During this diagnos tic period, all system operations and malfunctions shall be recorde d. Final acceptance shall be made upon successful completion of the "bu rn-in" period and where the last 14 days is without a system or equip ment malfunction.

B. At the final inspection a factory trained repres entative of the manufacturer of the major equipment shall repeat th e tests in Article

3.3 TESTS and those required by NFPA 72. In additio n the representative shall demonstrate that the systems function properl y in every respect.

The demonstration shall be made in the presence of a VA representative.

3.4 INSTRUCTION

A. The manufacturer's authorized representative sha ll provide instruction and training to the VA as follows:

1. Six 1-hour sessions to engineering staff, securi ty police and central attendant personnel for simple operation of the system. Two sessions at the start of installation, 2 sessions a t the completion of installation and 2 sessions 3 months after the c ompletion of installation.

2. Four 2-hour sessions to engineering staff for de tailed operation of the system. Two sessions at the completion of insta llation and 2 sessions 3 months after the completion of installat ion.

3. Three 8-hour sessions to electrical technicians for maintaining, programming, modifying, and repairing the system at the completion of installation and one 8-hour refresher session 3 months after the completion of installation.

B. The Contractor and/or the Systems Manufacturer's representative shall provide a typewritten "Sequence of Operation" inclu ding a trouble shooting guide of the entire system for submittal t o the VA. The sequence of operation shall be shown for each input in the system in a matrix format and provided in a loose leaf binder. When reading the

283100 - 22 sequence of operation, the reader shall be able to quickly and easily determine what output shall occur upon activation o f any input in the system. The INPUT/OUTPUT matrix format shall be as shown in Appendix A to NFPA 72.

C. Furnish the services of a competent instructor f or instructing personnel in the programming requirements necessary for system expansion. Such programming shall include addition or deletion of devices, zones, indicating circuits and printer/dis play text.

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