13 & 14 Building Code Updates (2)

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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 gauge used for testing. Amend Section G2417.4.2 (406.4.2), Test duration, 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 less than fifteen (15). minutes. For welded pining, and for pining carrying _ag s 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. Amend Section G2420.1 (406.1,), General, b ay ddina Section G2420.1.4, Valves in CSST installations, to read as follows: G2420.1.4 (406.2) 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 quality. 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. Amend Section G2420.5.1 (409.5.1), Located within the same room, by adding the following text: G2420.5.1 (409.5.1) Located within the same room. The shutoff valve ... [bulk of paragraph unchanged]... 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. Amend Section G2421.1 (410.1,), Pressure regulators, b ay ddina the following text and Exception: G2421.1 (410.1) Pressure regulators. A line pressure regulator shall be ... [bulk of paragraph unchanged] . 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. 33