2017-026 - Amending Section 7-16 and 7-18 of Article II Building Code, Chapter 7, Buildings and Building Regulations ....

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(7.5 psi), the test pressure shall be not less than one and one -half times the proposed maximum working pressure. Diaphragm gauges used for testing must display a current calibration and be in good working condition. The appropriate test must be applied to the diaphragm gauqe used for testing Section G2417.4.2 (406.4.2), Test duration, shall be amended to read as follows: G2417.4.2 (406.4.2) Test duration. The test duration shall be held for a length of time satisfactory to the Building Official, but in no case for be flet less than 44D-fifteen (15) minutes. For welded piping, and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure (3.48 kPa ), the test duration shall be held for a length of time satisfactory to the Building Official, but in no case for less than thirty (30) minutes. Section G2420.1 (409. 1), General, shall be amended by adding Section G2420.1.4, Valves in CSST installations, to read as follows: G2420.1.4 Valves in CSST installations. Shutoff valves installed with corrugated stainless steel (CSST) piping systems shall be supported with an approved termination fitting, or equivalent support, suitable for the size of the valves, of adequate strength and guality, and located at intervals so as to prevent or damp out excessive vibration but in no case greater than 12- inches from the center of the valve. Supports shall be installed so as not to interfere with the free expansion and contraction of the system's piping fittings and valves between anchors. All valves and supports shall be designed and installed so they will not be disengaged by movement of the supporting piping Section G2420.5.1 (409.5.1), Located within the same room, shall be amended to read as follows: G2420.5.1 (409.5.1) Located within the same room. The shutoff valve shall be located in the same room as the appliance. The shutoff valve shall be within 6 feet (1829 mm) of the appliance, and shall be installed upstream of the union, connector or quick disconnect device it serves. Such shutoff valves shall be provided with access. Appliance shutoff valves located in the firebox of a fireplace shall be installed in accordance with the appliance manufacturer's instructions. A secondary shutoff valve must be installed within 3 feet (914 mm) of the firebox if appliance shutoff is located in the firebox. Section G2421.1(410.1); Pressure regulators, shall be amended to read as follows: G2421.1 (410.1) Pressure regulators. A line pressure regulator shall be installed where the appliance is designed to operate at a lower pressure than the supply pressure. Line gas pressure regulators shall be listed as complying with ANSI Z21.80. Access shall be provided to pressure regulators. Pressure regulators shall be protected from physical damage. Regulators installed on the exterior of the building shall be approved for outdoor installation. Access to regulators shall comply with the requirements for access to appliances as specified in Section M1305. Exception: A passageway or level service space is not required when the regulator is capable of being serviced and removed through the required attic opening. Section G2422.1.2.3 (411.1.3.3), Prohibited locations and penetrations, shall be amended to delete Exceptions 1 and 4 in their entirety. Section G2445.2 (621.2), Prohibited use, shall be amended to read as follows: G2445.2 (621.2) Prohibited use. One or more unvented room heaters shall not be used as the sole source of comfort heating in a dwelling unit. Exception: Existing approved unvented room heaters may continue to be used in dwelling units in accordance with the code provisions in effect when installed when approved by the Building Official unless an unsafe condition is determined to exist as described in International Fuel Gas Code Section 108.7 of the Fuel Gas Code. Section G2448.1.1 (624.1.1), Installation requirements, shall be amended to read as follows: 2015 IRC Amendments