13-15 - Local Amendments to the Building Code, Fire Code and Plumbing Code

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Connection. The notification device shall operate on a water -flow alarm only, shall be non-silenceable and shall continue to flash after the panel is silenced on the condition the alarm was a water -flow alarm only. The notification device shall be wired from the fire alarm control panel as a latching circuit." Section 907.6.1, Wiring, shall be amended by adding Section 907.6.1.1, Wiring Installation, to read as follows: "907.6.1.1 Wiring Installation. All fire alarm systems shall be installed in such a manner that a failure of any single initiating device or single open in an initiating circuit conductor will not interfere with the normal operation of other such devices. All signaling line circuits (SLC) shall be installed in such a way that a single open will not interfere with the operation of any addressable devices (Class A). Outgoing and return SLC conductors shall be installed in accordance with NFPA 72 requirements for Class A circuits and shall have a minimum of four feet separation horizontal and one foot vertical between supply and return circuit conductors. The initiating device circuit (IDC) from a signaling line circuit interface device may be wired Class B, provided the distance from the interface device to the initiating device is ten feet or less." Section 907.6.3, Initiating device identification, shall be amended to delete all four Exceptions. Section 907.6.6, Monitoring, shall be amended to read as follows: "907.6.6 Monitoring. Fire alarm systems required by this chapter or by the International Building Code shall be monitored by an approved supervising station in accordance with NFPA 72. [F] See 907.6.3 for the required information transmitted to the supervising station." The Exceptions will remain unchanged. Section 909, SMOKE CONTROL SYSTEMS, shall be amended to add Section 909.22, Stairway or Ramp Pressurization Alternative, to read as follows: "909.22 Stairway or Ramp Pressurization Alternative. Where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 and the stair pressurization alternative is chosen for compliance with Building Code requirements for a smokeproof enclosure, interior exit stairways or ramps shall be pressurized to a minimum of 0.10 inches of water (25 Pa) and a maximum of 0.35 inches of water (87 Pa) in the shaft relative to the building measured with all interior exit stairway and ramp doors closed under maximum anticipated conditions of stack effect and wind effect. Such systems shall comply with Section 909, including the 31