ADDENDUM. ADDENDUM #3 DATE: February 6, 2018

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1 ADDENDUM ADDENDUM #3 DATE: February 6, 2018 REFERENCE: Invitation for Bid: S-LB IFB Issue Date: January 11, 2018 Title & Location: Montclair Elementary School Renovation and Addition, Dumfries, VA 22025, State Project # ) Architect/Engineer: Blitz Associates, P.A. Sealed Bid Due Date and Time: February 9, 2:00 p.m. THIS ADDENDUM IS BEING ISSUED BY THE ARCHITECT WITH THE AUTHORIZATION OF THE PWCS PURCHASING OFFICE TO ALL POTENTIAL BIDDERS WHO ATTENDED THE MANDATORY PRE-BID CONFERENCE ON JANUARY 16, 2018 AND HAVE ACQUIRED THE DOCUMENTS FROM THE ARCHITECT. THIS ADDENDUM WILL BE PUBLICLY POSTED BY THE PWCS PURCHASING OFFICE THE NEXT BUSINESS DAY PWCS IS OPEN. THE FOLLOWING CHANGES, ADDITIONS, DELETIONS AND CLARIFICATIONS ARE HEREBY MADE PART OF THE BIDDING REQUIREMENTS AND CONTRACT DOCUMENTS FOR THE ABOVE REFERENCED PROJECT AND SHALL BE TAKEN INTO ACCOUNT IN THE PREPARATION OF ALL BIDS AND THE EXECUTION OF ALL WORK. BIDDERS SHALL ACKNOWLEDGE RECEIPT OF THIS ADDENDUM IN THE APPROPRIATE SPACE ON THE BID FORM. PROJECT MANUAL SPECIFICATIONS: 1.1 Specification Section PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM, replace the section in its entirety to add missing product information. 1.2 Specification Section PWCS MOD FIRE ALARM AND DETECTION SYSTEM, replace the section in its entirety to add missing product information. END OF ADDENDUM #3 TO PWCS BID #S-LB ADDENDUM #3 TO BID #S-LB PAGE 1 PURCHASING OFFICE P.O. BOX 389, MANASSAS, VA , FAX

2 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM PART 1 - GENERAL 1.1 RELATED DOCUMENTS: A. Drawings and General Provisions of Contract, including General and Supplementary Conditions, Division 1 Specification sections, and other sections of the specifications not referenced below shall also apply to the extent required for proper performance of the Work of the section. B. Division-26 Basic Electrical Materials and Methods sections apply to work specified in this section. 1.2 SUMMARY: A. Provide speakers, peripheral devices and other equipment as shown on drawings and/or as specified herein: 1. The intent of these specifications is to provide a complete and satisfactory operating extension of the existing system to selected classrooms as shown. 2. Provide all equipment, accessories and installation of material required whether or not enumerated herein or indicated on the drawings. 3. Wires/cables, control/signal transmission media, raceways, electrical boxes, fittings, and cable trays, which are required with the installation of the intercommunications system, are specified herein and in other Division-16 sections. 1.3 SUBMITTALS: A. Product Data: Submit proposed wiring diagrams and manufacturer s data on equipment to be supplied. 1.4 QUALITY ASSURANCE: A. The intercommunication supplier shall be a firm with at least five (5) years of successful installations of school projects. B. The supplier shall be the authorized distributor for the products he is submitting on. C. Codes and Standards: 1. Electrical Code Compliance: Comply with applicable local code requirements of the authority having jurisdiction and NEC, including 800 Series articles as applicable to installation, and construction of Intercommunications systems. 2. FCC Compliance: Comply with Part 68 and Subpart J of Part 15, Federal Communications Commission Rules, Pertaining to intercommunication equipment and Class A computer registration by the manufacturer. The supplier of the systems being proposed shall provide an FCC registration number with the submittal. PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

3 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM 3. Provide intercommunication and computer equipment with FCC labels indicating applicable FCC registration and numbering. 4. IEEE Compliance: Comply with standard 241, IEEE Recommended Practice for Electrical Power s in Commercial Buildings. 5. NEMA Compliance: Comply with NEMA s Pub No. 250, Enclosures for Electrical Equipment (1000 Volts Maximum). 6. REA Compliance: Comply with Rural Electrification Administration specifications pertaining to construction and installation of intercommunications cabling. 7. EIA Compliance: Comply with EIA standards RS-453, 455, and 464 pertaining to installation of intercommunications systems. 1.5 DELIVERY, STORAGE, AND HANDLING: A. Deliver intercommunications equipment and components in factory-fabricated containers or wrappings, which properly protect equipment from damage. B. Store intercommunications equipment and components in original packing. Store inside in a well ventilated-space protected from weather, moisture, soiling, humidity, and extreme temperatures. C. Handle intercommunications equipment and components carefully to prevent damage, breaking, and scoring of finishes. Do not install damaged units or components; replace with new units. 1.6 SEQUENCING AND SCHEDULING: A. Coordinate with other electrical work including wires/cables, electrical boxes, fittings, and raceways, to properly interface installation of the intercommunication system with other work. B. Sequence installation of the intercommunications system with other work to minimize possibility of damage and soiling during the remainder of construction. 1.7 WARRANTY: A. Installation and all equipment shall be warranted for two (2) year from the date of project Substantial Completion. During this period, repair or replace any item or component showing defects not caused by abuse, at no cost to the Owner. The supplier shall provide a written warranty statement as required, attach a listing of telephone numbers, and the name of the person(s) to be contacted for warranty repairs. B. The supplier shall maintain a full service facility within 75 miles of Prince William County and shall stock necessary parts to facilitate any emergency service required to service the system. This service shall be done within twenty-four (24) hours from time of notification at no additional cost to the Owner. Refer to Section for additional information. PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

4 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM PART 2 - PRODUCTS 2.1 MANUFACTURERS: A. The system components shall be as manufactured by Bogan equal, provided all of the features, functions, performance requirements and specifications, outlined herein, are met or exceeded. Manufacturer product acceptance as meeting these specifications shall be determined by the architect/engineer and owner. Their decision shall be final. B. Model numbers specified herein are those of Multicom 2000, and constitute type, level of quality, and operational characteristics of the equipment to be furnished. All equipment and installation material, to meet the intention of this specification, shall be furnished whether or not enumerated herein, or shown on the drawings. C. Manufacturers and/or Suppliers which have provided unsatisfactory past installations shall not be considered. D. The existing Intercommunication/Clock is a Sapling. 2.2 CLASSROOM AND CORRIDOR LOUDSPEAKER & INTERIOR AND EXTERIOR HORN UNITS: A. Loudspeakers, Back Box and Grille Assembly: 1 x 2 drop in speaker system, speaker assembly consisting of an eight inch (8 ) diameter cone type speaker with a wizzer cone, 25/70 volt transformer and baked white epoxy 1 x 2 grille baffle. The speaker shall have a sensitivity of 93 db SPL at four feet (4 ) with eight (8)-watt continuous power rating; three-quarter inch diameter voice coil operating in magnetic flux density of 9,500 gauss. The frequency response shall be 65 to 17,000 Hz. The speaker assembly shall be the Atlas Sound Model #IS125CS. B. Interior paging horns shall be flush mounted wide angle horns consisting of a driver, horn, transformer and mounting bracket. The device shall be the CSD 1X2 wide angle horn with a flush back box and it shall be used inside as indicated on the plans. C. Exterior paging horns shall be flush mounted and shall be the HMT 115 horn loudspeaker with a flush back box and a Rauland-Borg ACC1014 vandal-proof baffle. 2.3 CABLE: A. Microphone and 600-ohm bridging cables: separate cable run in conduit from each receptacle to audio console and housings. Cables: 2 conductor, twisted, shielded pair, conductors No polyethylene covered with shield of aluminum-mylar foil providing 100% shielding; tinned copper bare drain (ground) conductor of No. 22 AWG; all conductors encased in overall jacket on minimum chrome vinyl with nominal outside diameter of Cable shall be the West Penn 25292B plenum cable or approved equal. B. Classroom loudspeakers with call-in circuits: separate (home run) cable run from each loudspeaker/call-in switch location shall be a four conductor and a shield i.e., PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

5 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM two (2) shielded and two (2) unshielded conductors. The cable shall be 20 gauge stranded. The cable shall be the West Penn 25359B plenum type or approved equal. C. Corridor and large single room loudspeakers or inside/outside horns in which loudspeakers are paralleled (no associated call-in switch) shall use the West Penn 25293B plenum, shielded pair, 18 gauge stranded or approved equal. 2.4 CLASSROOM CALL-IN SWITCH: A. Flush wall mounted call station. CA 15C call-in switch. B. Rocker type: SPST momentary (spring-action return). C. Designations: PUSH TO CALL stamped on switch, silk screen or surface mounted labels are not acceptable. D. Dimensions: 4-1/2 high, 2-3/4 wide, 1-13/16 deep (single gang plate). E. Terminations: screw terminals. F. Finish: satin finished stainless steel. G. Backbox: flush standard single gang with 3/4 conduit to above ceiling accessible space. H. Call switches with privacy function shall not be permitted in classrooms. 2.5 CONDUIT, TERMINAL CABINETS, AND EQUIPMENT MOUNTING: A. Conduit: provide for all electronics cables indicated and in accord with NEW Article 800 Communication Circuits (special attention called to paragraph 300-3d), with fill not to exceed 40% of internal area of conduit, pullboxes required at maximum intervals of two hundred feet (200 ) and every two hundred seventy (270) degree of bends; tag all electronics cables at ends in terminal cabinets, device locations, etc., as to area served with Brady B-500 series labels or equivalent; microphone and loudspeaker conduits shall be separate runs. 2.6 CLOCK EQUIPMENT: A. Provide self correcting clocks connected to the existing master clock where indicated on drawings. Clocks shall be secondary type compatible with existing system such as the, 120 volt clocks with shatter resistant crystal. Glass crystals shall not be considered. Clocks installed in the gymnasiums shall be equipped with protective wire guards. B. Provide battery clocks where indicated on drawings. Clocks shall be equal to American Time and Signal SL12CQC4 battery type, twelve inch (12 ) diameter, surface mount, with shatter resistant crystal. Glass crystals shall not to be considered. PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

6 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM C. Provide double faced clock enclosures for clocks where indicated on drawings. D. Coordinate with other sections of Division-26 for the provision of incidental electrical power necessary for clock operation. Provide outlet (type as required by clock manufacturer), recessed box, conduit, wiring, etc., from nearest general receptacle circuit. Identify circuits used on as-builts. 2.7 SPARE PARTS: A. Quantity Description 2 Battery operated clocks 2 Self correcting clocks 2 Call-in switches 2 Horn speakers (interior) 2 Horn speakers (exterior) 2.8 ADDITIONAL DEVICES: A. In addition to quantity indicated on the drawings, Contractor shall provide additional intercommunication devices; five (5) classroom speakers, five (5) call switches, five (5) volume controls installed with up to 150 foot of communication cabling for each device. If these additional devices are not installed, the Contractor shall provide a credit back to the Owner. PART 3 - INSTALLATION 3.1 EXAMINATION: A. Examine areas and conditions under which intercommunication systems are to be installed. Notify architect in writing of conditions detrimental to proper completion of the work. Do not proceed with work until unsatisfactory conditions have been corrected in a manner acceptable to installer. 3.2 INSTALLATION OF INTERCOMMUNICATION SYSTEM: A. Install intercommunication systems as indicated, in accordance with manufacturer s written instructions and with recognized industry practices; ensure systems comply with installation and operational requirements of EIA, NEC and the Federal Communications Commission. B. Install all electronic cables within equipment racks housings, and terminal cabinets, neatly laced with Velcro grip ties at not more than six inch intervals, in accordance with latest AES, Standard AM-FM Broadcast installation standards. Label cables with Brady, or approved equivalent, labels at each end as to circuit designations that correspond to As-Built drawings. Terminate all cables within terminal cabinets with solder type spade-lug connectors, screw type terminal strips, wire-wrap terminals, or approved equivalent. C. RF connections to connectors: compression type utilizing center conductor of coaxial cable as center terminal of connector. PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

7 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM D. AC wiring within electronics equipment racks and for self correcting secondary clocks shall be installed in conduit in accordance with National Electrical Code. All plugs and receptacles shall be three-conductor grounding type. E. Splices (joints) in audio wiring shall not be permitted except in terminal cabinets or equipment housings (i.e., no splicing permitted in pull boxes or loudspeaker housings). F. Incoming or outgoing wiring within audio equipment racks shall be terminated on terminal blocks. G. Where cable is indicated to be run exposed above ceilings: securely anchor to building structure at maximum four foot (4 ) intervals with wide flange type J hooks. Run cable in groups parallel and perpendicular to building lines. Keep cables separated from other systems cable. Provide cable routing plan with submittals. In no case shall the cable be secured to, or lay on, the ceiling system. 3.3 GROUNDING: A. Employ unipoint grounding technique. Provide single stranded TW-insulated copper conductor, #10 AWG, in one-half inch (1/2 ) conduit, connect to closest water pipe and terminate in equipment racks and housings. 3.4 ADJUSTING AND CLEANING: A. Clean equipment and components of dirt and construction debris upon completion of installation. B. Touch-up scratched or marred enclosure surfaces to match original finishes. C. Protect installed equipment and components from damage during remainder of construction period. 3.5 DEMONSTRATION AND PROOF OF PERFORMANCE: A. Proof of Performance testing of this system shall be the sole responsibility of this specification section. B. Testing apparatus: as manufactured by Rauland, Bruel & Kjaer, General Radio, Hewlett-Packard, and Tektronix, as to type and quality of instrumentation required and acceptable for accuracy of required testing. Only instruments of recent manufacture and/or calibration shall be considered acceptable. C. Make all measurements on job site. D. Performance measurements: 1. Demonstrate all operating functions in complete compliance with systems and individual component specifications. PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

8 SECTION PWCS MOD INTERCOMMUNICATION AND CLOCK SYSTEM 2. Measure ambient noise level utilizing calibrated sound level meter, with linearscale, calibrated random-frequency response microphone as pickup instrument. Record separate measurements with air-handling equipment on, lighting equipment on, air-handling and lighting equipment on, and with both air-handling and lighting equipment off. 3. Measure impedance of each loudspeaker line at its termination to respective power amplification equipment utilizing an audio frequency bridge with 1,000 Hz sine wave generator. Record each and every measurement as well as total connected load of each system. 3.6 OPERATING AND MAINTENANCE INSTRUCTIONS AND MANUALS: A. Furnish the Owner s officially designated representatives with on-the-job instructions in the operation and maintenance of the system. Prior to on-the-job instructions, furnish to the Owner three (3) bound copies of complete operating and maintenance instructions, factory service manuals, system programming data (include copy of program disk), complete with component schematics and all as built wiring diagrams. These O&M manuals are in addition to those required in Section , Project Closeout. END OF SECTION PWCS Master-Rev 10/09/ MOD INTERCOMMUNICATION AND CLOCK SYSTEM

9 PART 1 - GENERAL 1.1 RELATED DOCUMENTS: A. Drawings and general provisions of Contract, including General and Supplementary Conditions, Division 1 Specification sections, and other sections of the specifications not referenced below shall also apply to the extent required for proper performance of the Work of the section. B. Division-26 Basic Electrical Materials and Methods sections apply to work specified in this section. 1.2 SUMMARY: A. The work covered under this section of the specifications shall include the furnishing and installation of additional devices to an existing fire alarm and detection system as shown on the drawings and hereinafter specified. B. Contractor shall furnish and install all conduits, junction boxes, wiring, control panels, detectors, horns, and pull stations, and all other accessories required to install a fire alarm system as hereinafter specified and as indicated on the drawings and in accordance with all applicable codes. shall be installed, connected, tested, and left in first class operating condition. 1.3 SUBMITTALS: A. General: Submit the following according to Conditions of Contract and Division 1 Specification Sections. B. Product data sheets for system components highlighted to indicate the specific products, features, or functions required to meet this specification. Alternate or asequal products submitted under this contract must provide a detailed line-by-line comparison of how the submitted product meets, exceeds, or does not comply with this specification. C. Wiring diagrams from manufacturer. D. Shop drawings showing system details including location of FACP, all devices, circuiting and details of graphic annunciator. E. Power and battery charts with performance graphs and voltage drop calculations to assure that the system will operate per the prescribed backup time periods and under all voltage conditions per UL and NFPA standards. F. operation description including method of operation and supervision of each type of circuit and sequence of operations for all manually and automatically initiated system inputs and outputs. A list of all input and output points in the system shall be provided. G. Submission to Authority Having Jurisdiction: In addition to routine submission of the above material, make an identical submission to the authority having jurisdiction. Include copies of shop drawings as required to depict component locations to PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

10 facilitate review. Upon receipt of comments from the Authority, make resubmissions if required to make clarifications or revisions to obtain approval. H. Prior to formal submittal there shall be a pre-submittal meeting to review and discuss proposed submittal data, attended by the General Contractor, fire alarm and detection system subcontractor, mechanical subcontractor, temperature control subcontractor, Architect, Owner's representative and a representative of the Owner's Maintenance Department. The meeting shall be initiated by the Contractor. 1.4 QUALITY ASSURANCE: A. Installer's Qualifications: Firms with at least five (5) years of successful installation experience with projects utilizing fire alarm and detection systems and equipment similar to that required for this project. Submit qualification documentation at presubmittal meeting. Firms which have provided unsatisfactory past installations will not be acceptable. B. Supplier shall be a fully authorized local distributor of this equipment, responsible for proper supervision and inspection as installation progresses. C. Codes and Standards: 1.All devices and equipment for this system shall be listed by the Underwriters Laboratories, Inc., bear the UL label, and shall conform to the applicable sections of NFPA 72 and 90A. 2. The installation shall be in accordance with all requirements of NFPA, the National Electrical Code, ADA, and all local requirements. A factory authorized installer is to perform the work of this section. All installers must have minimum NICET Level II certification. 1.5 DELIVERY, HANDLING AND STORAGE: A. Deliver fire alarm and detection system equipment and components in factoryfabricated containers or wrappings, which properly protect equipment from damage. B. Store fire alarm and detection system equipment and components in original packaging. Store inside in a well-ventilated space protected from weather, moisture, soiling, humidity, and extreme temperatures. C. Handle fire alarm and detection system equipment and components carefully to prevent damage, breaking, and scoring of finishes. Do not install damaged units or components; replace with new. 1.6 SEQUENCING AND SCHEDULING: A. Coordinate with mechanical and temperature control systems work and other electrical work including wires/cables, electrical boxes and fittings, motor starters, and raceways, to properly interface installation of this system with others. Provide information to others as necessary on wiring configuration and termination points of fire alarm output modules. Coordinate with temperature control contractor on location of control points to minimize wiring. PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

11 B. Sequence installation of this system with other work to minimize possibility of damage and soiling during the remainder of construction. 1.7 WARRANTY: A. Installation and all equipment: guaranteed for two (2) years from date of project substantial completion or acceptance of this system, whichever is the latter. During this period, repair or replace any item or component showing defects not caused by abuse, at no cost to the Owner. Provide written guarantee as required. B. Contractor shall be capable of stocking necessary parts to facilitate any emergency service required to maintain the system. This service shall be done within twenty-four hours from time of notification. Refer to Division 1 - General Requirements specification sections for further direction. PART 2 - PRODUCTS 2.1 FIRE ALARM AND DETECTION SYSTEM: A. The equipment furnished under these specifications shall be the standard product of one manufacturer. Equipment descriptions indicate the type, quality and operating features desired. The system components, alarm initiating and alarm indicating devices, shall be compatible with the existing Simplex 4010 ES fire alarm system control panel currently installed in the building. 1.Current Operation: a. The fire alarm and detection system is zoned with general alarm, closed circuit, electrically supervised, non-coded, continuously ringing, with audible and visual alarm and trouble indications. b. Activation of a manual fire alarm station, automatic smoke, heat or duct detector causes the following: (1) All audible signaling devices sound continuously until alarm has been acknowledged. A subsequent alarm received after acknowledgment again causes alarm indicating circuits to be activated. (2) The appropriate initiation zone indicator light is energized on the control panel. (3) The appropriate alarm source indicating lamps is energized on remote graphic annunciator and indicate type of device and zone. (4) Operation of any duct mounted smoke detector automatically shuts down its associated air handling unit. Provide same type signal as existing duct detectors. (5) Alarm and trouble contacts, activate the digital communicator (supplied by others) connected to a Central Monitoring Station. PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

12 c. The system, including the annunciator, remains in alarm condition until the initiating device is reset to normal and the control panel and the annunciator are reset. reset is accomplished on a single key operated switch on the graphic annunciator. d. The system uses 120V AC commercial power as its normal source of power. Upon failure of the normal source, the system is automatically transferred to the stand-by power supply which shall be capable of supporting all system supervisory functions for all initiation and signal circuits for a twenty-four hour period and then five (5) minutes of alarm time. e. In the event of failure of operating power, an open, or ground condition on the system wiring, the trouble signals (both audible and visual) shall actuate at the remote annunciator panel. It shall be possible to silence audible trouble signals by means of silencing switches; however, it shall not be possible to extinguish the visual switches until the disarrangement has been corrected. Trouble switch shall not remain in trouble mode when trouble is corrected. f. Activation of a valve tamper switch or switches shall sound the panel trouble signals (audible and visible) and also an initiating circuit alarm zone or zones (specifically labelled valve tamper switch) and not activate the building indicating circuits. 2.Panel: a. The existing main Control Panel is a Simplex 4010 ES with modules and devices. 3.Manual Stations: a.furnish and install double action non coded manual stations and constructed of high impact, red LEXAN with raised lettering and a smooth high gloss finish. The break glass rod station shall have a hinged front with key lock to discourage vandalism and tampering. Stations shall be keyed alike with the fire alarm control panel. Manual stations installed in the gymnasium/multi-purpose room shall have wire protective covers. 4.Duct Smoke Sensor: Photoelectric type, with sampling tube of design and dimensions as recommended by the manufacturer for the specific duct size and installation conditions where applied. Sensor includes relay as required for fan shutdown. The duct detectors shall report a supervisory trouble to FACP. a. The duct housing shall provide a supervised relay driver circuit for driving up to 15 relays with a single Form C contact rated at 7A@28VDC or 10A@120 VAC. This auxiliary relay output shall be fully programmable. Mount relay within three (3) feet of HVAC control circuit. The wiring from duct detector to relay module shall be in conduit or armored cable. b. Duct housing shall provide a relay control trouble indicator Yellow LED. c. Compact duct housing shall have a transparent cover to monitor for the PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

13 presence of smoke. cover shall secure to housing by means of four (4) captive fastening screws. d. Duct housing shall provide two (2) test ports for measuring airflow and for testing. These ports will allow aerosol injection in order to test the activation of the duct smoke sensor. e. Duct housing shall provide a magnetic test area and Red sensor status LED. For maintenance purposes, it shall be possible to clean the duct housing sampling tubes by accessing them through the duct housing front cover. f. Each duct sensor shall have a remote test station with an alarm LED and keyed test switch. g. The detector locations shall be coordinated with Division 23 and shall be shown on Fire Alarm and Detection shop drawing device floor plan submittal. 5.Audio Visual Signaling Devices: a. Furnish and install where shown on the drawings recessed Wall and ceiling audio/visual signaling devices. Color shall be red. Accessory hardware and appropriate back boxes shall be provided with the signaling devices in accordance with mounting style required. b. Furnish and install where shown on the drawings recessed Wall and ceiling visual signaling devices. Color shall be red. Accessory hardware and appropriate black boxes shall be provided with the signaling devices in accordance with mounting style required. 6.Magnetic Door Holder: 7.Wire: a. Furnish and install where shown on the drawings. The door holder shall have a minimum holding force of thirty-five pounds (35 lbs.) and shall release upon a signal from the control panel or upon power failure after a 30 second delay. The door holder assembly shall consist of wall portion housing a long life electromagnet and a door portion with a stainless steel plate armature, mounted on a shock absorbing nylon bearing. a. Provide the quantity of wire for the system as required by the fire alarm system manufacturer. Conductor size for audio/visual devices and magnetic door holders shall be #12 AWG. All other conductors shall be #14 AWG copper solid. Insulation type for all conductors shall be THHN or THWN. 8. Additional Devices: a. In addition to quantity indicated on the drawings, Contractor shall provide additional fire alarm devices: five (5) strobes, five (5) audio visual, five (5) PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

14 smoke detectors, five (5) heat detectors, five (5) pull stations installed with up to 50 feet of conduit and wire for each device. Price shall include engineering and programming. If these additional devices are not installed, the Contractor shall provide a credit back to the Owner. PART 3 - EXECUTION 3.1 INSTALLATION: A. Provide and install the system in accordance with the plans and specifications, all applicable codes and the manufacturer's recommendations. All wiring shall be without any T-Taps and all wiring shall be installed in strict compliance with all the provisions of NEC - Article 760 A and C, Power-Limited Fire Protective Signaling Circuits or if required may be reclassified as non-power limited and wired in accordance with NEC - Article 760 A and B. Upon completion, the contractor shall so certify in writing to the owner and general contractor. All junction boxes shall be sprayed red and labeled "Fire Alarm". Wiring color code shall be maintained throughout the installation. B. Installation personnel shall be persons who are qualified and experienced in the installation, inspection, and testing of fire alarm systems. Examples of qualified personnel shall include: 1. Factory trained and certified personnel 2. National Institute of Certification in Engineering Technologies (NICET) fire alarm level II certified personnel 3. Personnel licensed or personnel certified by state or personnel certified by local authority C. All wiring for the system shall be in conduit, 3/4 inch minimum. All fire alarm conduits and junction boxes shall be painted red for distinct identification and installed above the ceiling. All conduit, device mounting boxes, junction boxes, and panels shall be securely fastened with appropriate fittings to insure positive ground throughout the entire system. D. All connections to panel, devices and detectors shall be made as required by fire alarm equipment manufacturer. Terminations shall be made only in device boxes and shall be made on terminal blocks. E. All wiring shall be checked and tested by the electrical contractor to insure the system is free from grounds, opens and shorts. F. Main Control Panel shall be securely mounted at location shown on drawings in accordance with manufacturer's recommendations. Mounting height shall be approximately sixty inches (60") AFF to center of cabinet. G. Manual Stations shall be mounted to conceal device boxes of appropriate size. Mounting heights shall be forty-eight inches (48") above finished floor to top of pull PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

15 station. H. Smoke Detectors installed in areas with suspended ceiling shall be surface mounted on concealed outlet boxes. Mounting height shall be determined by ceiling. Where installed in areas without suspended ceilings, detectors shall be mounted to surface mounted device boxes. I. Thermodetectors (Heat Detectors) installed in areas with suspended ceilings shall be surface mounted on concealed outlet boxes. Mounting height shall be determined by ceiling. Where installed in areas without suspended ceilings, detectors shall be mounted to surface mounted device boxes. J. Audio, Visual, and Audio/Visual Signaling Devices shall be mounted to concealed device boxes of appropriate size. Mounting height shall be at 6' 8" AFF to bottom of device. K. Recessed Remote Graphic Annunciator shall be securely mounted at location shown on drawings in accordance with manufacturer's recommendations. Mounting height shall be approximately fifty-two inches (52") AFF to center of cabinet. L. Install Central Monitoring Station patch panel adjacent to fire alarm control panel. Install two phone jacks within enclosure. M. Installation of equipment and devices that pertain to other work in the contract shall be closely coordinated with the appropriate subcontractors. N. The contractor shall clean all dirt and debris from the inside and the outside of the fire alarm equipment after completion of the installation. O. The manufacturer's authorized representative shall provide on-site supervision of installation, and be present on acceptance testing and all Fire Marshall inspections. PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

16 3.2 TESTING: A. All components and circuits of the fire alarm shall be tested and certified by a factory trained technician. The testing shall include but not be limited to the following: 1.All station circuits shall be tested for insulation resistance. Minimum acceptable resistance per circuit shall be ten (10) megohms. Megger tests shall be performed between all individual conductors and each conductor and ground. Submit tabulation showing results of these tests. 2.Each initiating device shall be actuated and action of auxiliary devices shall be verified. 3.A letter of this certification shall be sent to the Architect or his duly authorized representative. B. The completed fire alarm system shall be fully tested in accordance with NFPA-72 by the contractor in the presence of the Owner s representative prior to calling the Local Fire Marshall for final inspection. Upon completion of a successful test, the contractor shall call for Fire Marshall final and certify in writing to the Owner and general contractor. 3.3 OPERATING AND MAINTENANCE INSTRUCTIONS AND MANUALS: A. Furnish the Owner's officially designated representatives with on-the-job instructions in the operation and maintenance of the system. Prior to on-the-job instructions, furnish to the Owner three (3) bound copies of complete operating and maintenance instructions, factory service manuals, complete with component schematics and all as built wiring diagrams. These O&M manuals are in addition to those required in Section , Project Close-Out. 3.4 SYSTEM TEST: A. Prior to final site visitation, the electrical contractor shall conduct an operating test of the complete electrical system. shall test free from grounds, shorts and other faults. All connections shall be as thoroughly checked for mechanical and electrical connection as is possible. All equipment shall be demonstrated to operate in accordance with the requirements set forth in these specifications and shown on the drawings. B. Perform all tests in the presence of the Architect or his duly authorized representative. The Contractor shall furnish all personnel and test instruments for use in the test. 3.5 FINAL SITE VISITATION: A. When the work on the entire structure has been completed and is ready for final review, a visit will be made by the Architect or his duly authorized representative, at which time the Contractor shall demonstrate that the requirements of the Contract as it applies to his work have been carried out and that the system has been adjusted and operates in accordance herewith. 3.6 TRAINING: PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection

17 A. After system acceptance, train Owner's personnel, as designated by Owner, in operation, programming, and maintenance of the fire alarm and detection system. Provide maximum of four, four hour, on-site training sessions by qualified manufacturer's representative. B. Provide the necessary personnel, equipment, tools, instruments and material to conduct such instructional periods. END OF SECTION PWCS Master-Rev 10/09/ MOD-Fire Alarm and Detection