This code provides minimum requirements for design and construction of reinforced concrete and prestressed concrete structures for the storage and containment of refrigerated liquefied gases (RLG) with service temperatures between +40 and ?C325?? Notwithstanding@ the principals listed herein are applicable to concrete foundations of double-steel tanks subject to the approval of the owner. Container design shall include the design of the container wall@ its foundation (footing and floor slab)@ the concrete portions of its roof@ and the bund wall@ whenever applicable.