{"data":{"id":"us/46-cfr-172.133","jurisdiction":"us","citation":"46 CFR 172.133","heading":"Character of damage.","body":"(a) If a type I hull is required, design calculations must show that the vessel can survive damage at any location.\n(b) Except as provided in § 153.7 of this chapter, if a type II hull is required, design calculations must show that a vessel—\n(1) Longer than 492 feet (150 meters) in length can survive damage at any location; and\n(2) Except as specified in paragraph (d) of this section, 492 feet (150 meters) or less in length can survive damage at any location.\n(c) If a Type III hull is required, design calculations must show that a vessel—\n(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\n(2) Less than 410 feet (125 meters) in length can survive damage at any location except to an aft machinery space.\n(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.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER S—SUBDIVISION AND STABILITY","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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"30857b92e2589713f13b5e6a0a0315d392cf99c749032c80711f12e82d31ad1b","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-172.130","next":"us/46-cfr-172.135"},"notice":"GroundRules: Original legal text. Not legal advice."}