Home › CFR › Title 46 › Part 17946 CFR Part 179 — Subdivision, Damage Stability, and Watertight IntegritySubpart A — General Provisions§ 179.15— Incorporation by reference.§ 179.115— Applicability to existing vessels.Subpart B — Subdivision and Damage Stability Requirements§ 179.210— Collision bulkhead.§ 179.212— Watertight bulkheads for subdivision and damage stability.§ 179.220— Location of watertight bulkheads for subdivision.§ 179.240— Foam flotation material.Subpart C — Watertight Integrity Requirements§ 179.310— Collision bulkheads.§ 179.320— Watertight bulkheads.§ 179.330— Watertight doors.§ 179.340— Trunks.§ 179.350— Openings in the side of a vessel below the bulkhead or weather deck.§ 179.360— Watertight integrity.