§ 193.2327 - Storage tank tests.

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(a) In addition to other applicable requirements of this subpart, storage tanks for cryogenic fluids with internal design pressures of not more than 15 psi (103 kPa) gage must be tested in accordance with sections Q8, Q9, and Q10 of API 620, appendix Q, as applicable.

(b) Metal storage tanks for cryogenic fluids with internal design pressures above 15 psi (103 kPa) gage must be tested in accordance with the applicable division of section VIII of the ASME Boiler and Pressure Vessel Code.

(c) Reference measurements must be made with appropriate precise instruments to assure that the tank is gas tight and lateral and vertical movement of the storage tank does not exceed predetermined design tolerances.

                    
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