1704.18 High-pressure-gas piping. High-pressure-gas piping regulated in Section 406 of the New York City Fuel Gas Code shall be subject to periodic special inspection in accordance with this section.
1704.18.1 Welding. 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.