Ord 2019-011/Amendments to Chapter 38 - Fire Prevention and Protection of the San Marcos City Code of Ordinances

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(For care of more than five children 2 1/2 or less years of age, see Section 907.2.6.) {No change to remainder of exceptions.) Section 907.2.13. Exception 3: change to read as follows: 3. Open air portions of buildings with an occupancy in Group A-5 in accordance with Seciion 303.1 of the International Building Code, however, this exception does not apply to accessory uses including but not limited to sky boxes, restaurants, and similarly enclosed areas. Section 907.4.2; add Section 907, 4.2.7 to read as follows: 907.4.2.7 Type. Manual alarm initiating devices shall be an approved double action Section 907.6.1; add Section 907.6.1.1 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 maybe wired Class B provided the distance from the interface device to the initiating device is ten feet or less. Section 907.6.3; delete all four Exceptions. Section 909.22; add 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 stairway 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 installation of a separate fire-fighter's smoke control panel as per Section 909.16, and a Smoke Control Permit shall be required from the fire department as per Section 105.7.