{"data":{"id":"us/46-cfr-172.235","jurisdiction":"us","citation":"46 CFR 172.235","heading":"Extent of damage.","body":"For the purpose of the calculations required in § 172.225—\n(a) Design calculations must include both side and bottom damage, applied separately; and\n(b) Damage must consist of the penetrations having the dimensions given in Table 172.235 except that, if the most disabling penetrations would be less than the penetrations described in this paragraph, the smaller penetration must be assumed.\nTable 172.235—Extent of Damage\nCollision Penetration\nLongitudinal extent 0.495 L2⁄3 or 47.6 feet.\n(1/3 L2⁄3 or 14.5 m), whichever is less.\nTransverse extent 4 feet 2 inches (1.25 m). 1\nVertical extent From the baseline upward without limit.\nGrounding Penetration Forward of a Point 0.3L Aft of the Forward Perpendicular\nLongitudinal 0.495 L2⁄3 or 47.6 feet.\n(1/3 L2⁄3 or 14.5 m), whichever is less.\nTransverse B/6 or 32.8 feet (10 m), whichever is less, but not less than 16.4 feet (5 m). 1\nVertical extent 0.75 m from the baseline.\nGrounding Penetration at Any Other Longitudinal Position\nLongitudinal extent L/10 or 16.4 feet (5 m), whichever is less.\nTransverse 4 feet 2 inches (1.25 m).\nVertical extent 2 feet 6 inches (0.75 m) from the baseline.\n1 Damage applied inboard from the vessel's side at right angles to the centerline at the level of the summer load line assigned under Subchapter E of this chapter.","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 H—Special Rules Pertaining to Great Lakes Dry Bulk Cargo Vessels"],"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":"17e15945ca2022105ef24ec11b098730a82823867ea85f48f895a3010f3c50f2","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-172.230","next":"us/46-cfr-172.240"},"notice":"GroundRules: Original legal text. Not legal advice."}