Current through Register Vol. 54, No. 25, June 22, 2024
Section 245.525 - Ancillary equipment for aboveground storage tanks(a) Ancillary equipment shall be designed and installed in accordance with Nationally recognized codes of practice and manufacturer's specifications such as API, ASME, ASTM, UL, PEI or ANSI. Ancillary equipment shall be in good working order and maintained according to manufacturer's specifications and accepted industry practices. Ancillary equipment shall be compatible with the stored substance.(b) Aboveground storage tanks must be appropriately vented to protect the tank from over pressurization and excessive vacuums. Vents shall meet or exceed the appropriate codes of practice developed by Nationally recognized associations such as API and NFPA. Normal venting must allow the tank to breathe when transferring the stored product. Emergency venting must ensure that the safe pressure for the tank is not exceeded.(c) Aboveground storage tank connections through which regulated substance can flow must be equipped with an operating valve adjacent to the tank to control flow of substance. Appropriate valves must be installed to meet or exceed current codes of practice and jurisdictional requirements. Valves shall be designed, installed and maintained according to current codes of practice.The provisions of this § 245.525 amended December 21, 2018, effective 12/22/2018, 48 Pa.B. 7875.