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DESIGN REFERENCE MANUAL

    • 1.7

      System Reset

      • A.

        Equipment that has been by-passed in software shall not change state of condition during a "reset."

    • 1.8

      Signaling Requirements

      • A.

        Audibles:

    • 1.

      Signaling devices shall be completely deactivated by pressing "signal

silence."

  • 2.

    Audibles shall be placed so that they can be heard a minimum of 15 decibels above the ambient decibel level in all locations (refer to NFPA 72G and ISBC16.705(12).

  • 3.

    Amplifiers shall be a minimum size of 100 watts, except in dual channel applications where the elevator channel may use 25 watt amplifiers. Amplifiers shall have redundant back-up amplifier(s) that automatically transfer. They shall be sized using calculations of:

    • a.

      One (1) watt per interior speaker. (In restrooms and small rooms set taps at ¼ watt.)

    • b.

      Two (2) watts per outside and mechanical room speaker.

    • c.

      Each audio amplifier shall be sized to include 20 percent spare capacity per circuit for future connection of audio speakers.

  • 4.

    Outside speakers shall be located at all main entrances and shall be on a circuit separate from interior speakers.

    • B.

      Visual Indicators:

    • 1.

      Strobe intensity shall be determined by ADA requirements.

    • 2.

      All strobes within site shall be synchronized.

    • 3.

      Each strobe circuit shall be sized to include 10 percent spare capacity for future connection of strobes.

    • 4.

      Each strobe circuit shall be capable of being individually controlled in software.

    • 5.

      Each fire floor and fire zone shall have individual strobe circuits.

    • 6.

      Smoke Dampers: SELECT-A-SWITCH, Model SL53413-6-BG

    • 7.

      Place damper indicator lights in corridors whenever possible.

  • C.

    Beam Detectors: If beam detectors are proposed, design must be reviewed by FSG-Fire Safety Department for appropriate application, maintenance and accessibility. Provide a beam detector test switch for each detector.

    • 1.9

      Conduit

      • A.

        Each floor shall have a separate conduit feed.

    • 1.10

      Electronic Door Hold-Opens

Design & Construction Services The University of Iowa (1/04)

Fire Alarm and Detection Systems 2.13-3

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