Structure

(1) The hull, superstructure, structural bulkheads, decks and deckhouses of ships propelled by mechanical means shall be constructed of steel or other equivalent material. Material other Merchant Ships (Registration) 179 than steel shall be insulated to the same fire-retardant properties as steel. (2) In lieu of complying with the requirements of subregulation (1), the hull structure, structural bulkheads, deck and deckhouses of ships propelled by mechanical means (other than tankers) or as specified by the Administration may be constructed of materials other than steel.