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CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER I-A—MOBILE OFFSHORE DRILLING UNITS (parts 107 to 109) > PART 108—DESIGN AND EQUIPMENT > SUBPART B—Construction and Arrangement (§108.113 to §108.241) > 108.133—Hull superstructure, structural bulkheads, decks, and deckhouses.
108.133—Hull superstructure, structural bulkheads, decks, and deckhouses.
Each hull superstructure, structural bulkhead, deck, and deckhouse must be made of steel or an equivalent material.