High-pressure-gas piping regulated in Section 406 of the New York City Fuel Gas Code shall be subject to special inspection in accordance with this section. Special inspection of seismic bracing shall be performed in accordance with Section 1707.7.
The special inspector shall verify the qualifications of the welder, the quality of the welding materials and equipment prior to welding operations. The special inspector shall review the proposed welding procedures for compliance with applicable standards listed in Section 406 of the New York City Fuel Gas Code.
The special inspector shall perform periodic special inspection for the pipe joining and welding operations in accordance with the above. Radiographic testing shall be performed to the connections as indicated in Section 406.4 of the New York City Fuel Gas Code.
Pressure testing shall be performed on the completed installation of new and altered systems in accordance with Section 406.4 of the New York City Fuel Gas Code.