Section 245.526. Piping for aboveground storage tanks

(a) Piping shall be compatible with the substance stored and properly designed to resist internal and external wear, vibration and shock.

(b) New and replacement piping shall be designed, fabricated and tested in accordance with current codes of practice developed by Nationally recognized associations such as API, ASME, ANSI, NFPA, PEI or STI. Installation of piping shall meet or exceed current codes of practice and be in strict accordance with manufacturer’s specifications. Piping shall be tested for tightness before being placed in service and all deficiencies remedied.

(c) Piping installed after October 11, 1997, and in contact with the soil or an electrolyte shall be adequately protected from corrosion in accordance with current codes of practice developed by Nationally recognized associations such as NACE or API.

(d) Piping shall be tested and inspected in accordance with current industry practices and § § 245.552 and 245.553 (relating to in-service inspections; and out-of-service inspections).

(e) Aboveground piping shall be adequately supported and be protected from physical damage caused by freezing, frost heaving and vehicular traffic.