46 C.F.R. § 172.133 Character of damage.
Title 46 - Shipping
(a) If a type I hull is required, design calculations must show that the vessel can survive damage at any location. (b) Except as provided in §153.7 of this chapter, if a type II hull is required, design calculations must show that a vessel— (1) Longer than 492 feet (150 meters) in length can survive damage at any location; and (2) Except as specified in paragraph (d) of this section, 492 feet (150 meters) or less in length can survive damage at any location. (c) If a Type III hull is required, design calculations must show that a vessel— (1) Except as specified in paragraph (d) of this section, 410 feet (125 meters) in length or longer can survive damage at any location; and (2) Less than 410 feet (125 meters) in length can survive damage at any location except to an aft machinery space. (d) A vessel described in paragraph (b)(2) or (c)(1) of this section need not be designed to survive damage to a main transverse watertight bulkhead bounding an aft machinery space. Except as provided in §153.7 of this chapter, the machinery space must be calculated as a single floodable compartment. [CGD 79–023, 48 FR 51040, Nov. 4, 1983, as amended by CGD 81–101, 52 FR 7799, Mar. 12, 1987]
Title 46: Shipping
PART 172—SPECIAL RULES PERTAINING TO BULK CARGOES
Subpart F—Special Rules Pertaining to a Ship That Carries a Hazardous Liquid Regulated Under Subchapter O of This Chapter
§ 172.133 Character of damage.
