TR-1 Hi Pressure Steam (Welding) (BC 1704-17)

1704.17 High-pressure-steam piping. High-pressure-steam piping regulated by Section 1210 of the New York City Mechanical Code, shall be subject to special inspection in accordance with this section. 

1704.17.1 Welding. The special inspector shall verify the qualifications of the welder and 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 1210.4 of the New York City Mechanical Code.1704.17.2 Welding operations. The special inspector shall perform periodic inspection of the pipe joining and welding operations in accordance with the above. Radiographic testing shall be applied to connections as indicated in Section 1210.4.9 of the New York City Mechanical Code. Unacceptable connections and installations shall be rejected.

1704.17.2 Welding operations. The special inspector shall perform periodic inspection of the pipe joining and welding operations in accordance with the above. Radiographic testing shall be applied to connections as indicated in Section 1210.4.9 of the New York City Mechanical Code. Unacceptable connections and installations shall be rejected.

1704.17.3 Testing of high-pressure-steam piping. Hydrostatic testing shall be performed on the completed installation of new and altered systems in accordance with Section 1210.4.10 of the New York City Mechanical Code. 

Exception: Testing requirements shall not apply to alteration or repairs to existing high-pressure-steam piping systems in which the integrity of the piping is not affected. Such alterations shall be visually inspected for compliance with the approved construction documents.