Orange County NC Website
FL 3/16 <br />DIGITAL, ADDRESSABLE FIRE-ALARM SYSTEM 283111 - 10 <br />H. Elevator Shafts: Coordinate temperature rating and location with sprinkler rating and location. <br />Do not install smoke detectors in sprinklered elevator shafts. <br />I. Single-Station Smoke Detectors: Where more than one smoke alarm is installed within a <br />dwelling or suite, they shall be connected so that the operation of any smoke alarm causes the <br />alarm in all smoke alarms to sound. <br />J. Remote Status and Alarm Indicators: Install in a visible location near each smoke detector, <br />sprinkler water-flow switch, and valve-tamper switch that is not readily visible from normal <br />viewing position. <br />K. Audible Alarm-Indicating Devices: Install not less than 6 inches below the ceiling. Install bells <br />and horns on flush-mounted back boxes with the device-operating mechanism concealed behind <br />a grille. Install all devices at the same height unless otherwise indicated. <br />L. Visible Alarm-Indicating Devices: Install adjacent to each alarm bell or alarm horn and at least <br />6 inches below the ceiling. Install all devices at the same height unless otherwise indicated. <br />M. Device Location-Indicating Lights: Locate in public space near the device they monitor. <br />3.2 PATHWAYS <br />A. Pathways above recessed ceilings and in nonaccessible locations may be routed exposed. <br />1. Exposed pathways located less than 96 inches above the floor shall be installed in EMT. <br />B. Pathways shall be installed in EMT. <br />C. Exposed EMT shall be painted red enamel. <br />3.3 CONNECTIONS <br />A. For fire-protection systems related to doors in fire-rated walls and partitions and to doors in <br />smoke partitions, comply with requirements in Section 087100 "Door Hardware." Connect <br />hardware and devices to fire-alarm system. <br />1. Verify that hardware and devices are listed for use with installed fire-alarm system before <br />making connections. <br />B. Make addressable connections with a supervised interface device to the following devices and <br />systems. Install the interface device less than 36 inches from the device controlled. Make an <br />addressable confirmation connection when such feedback is available at the device or system <br />being controlled. <br />1. Smoke dampers in air ducts of designated HVAC duct systems. <br />2. Magnetically held-open doors. <br />3. Electronically locked doors and access gates. <br />4. Alarm-initiating connection to elevator recall system and components. <br />5. Alarm-initiating connection to activate emergency lighting control. <br />6. Alarm-initiating connection to activate emergency shutoffs for gas and fuel supplies. <br />7. Supervisory connections at valve supervisory switches. <br />8. Supervisory connections at low-air-pressure switch of each dry-pipe sprinkler system. <br />9. Supervisory connections at elevator shunt-trip breaker. <br />10. Supervisory connections at fire-extinguisher locations. <br />3.4 IDENTIFICATION <br />A. Identify system components, wiring, cabling, and terminals. Comply with requirements for <br />identification specified in Section 260553 "Identification for Electrical Systems." <br />B. Install framed instructions in a location visible from fire-alarm control unit. <br />3.5 GROUNDING <br />A. Ground fire-alarm control unit and associated circuits; comply with IEEE 1100. Install a ground <br />wire from main service ground to fire-alarm control unit. <br />B. Ground shielded cables at the control panel location only. Insulate shield at device location. <br />3.6 FIELD QUALITY CONTROL <br />A. Field tests shall be witnessed by authorities having jurisdiction. <br />B. Perform the following tests and inspections with the assistance of a factory-authorized service <br />representative: <br />DocuSign Envelope ID: 40CF07BE-0F08-4B66-B4FD-884A0A07C01C