View all text of Subjgrp 15 [§ 193.2155 - § 193.2185]
§ 193.2181 - Impoundment capacity: LNG storage tanks.
Each impounding system serving an LNG storage tank must have a minimum volumetric liquid impoundment capacity of:
(a) 110 percent of the LNG tank's maximum liquid capacity for an impoundment serving a single tank;
(b) 100 percent of all tanks or 110 percent of the largest tank's maximum liquid capacity, whichever is greater, for the impoundment serving more than one tank; or
(c) If the dike is designed to account for a surge in the event of catastrophic failure, then the impoundment capacity may be reduced to 100 percent in lieu of 110 percent.