GroundRules
46 CFR 171.072: Calculation of permeability for Type II subdivision.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER S—SUBDIVISION AND STABILITY
- PART 171—SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS
- Subpart C—Subdivision and Damage Stability
When doing calculations to show compliance with § 171.070, the following uniform average permeabilities must be assumed:
(a) 85 percent in the machinery space.
(b) 60 percent in the following spaces:
(1) Tanks that are normally filled when the vessel is in the full load condition.
(2) Chain lockers.
(3) Cargo spaces.
(4) Stores spaces.
(5) Mail or baggage spaces.
(c) 95 percent in all other spaces.
Collected 2026-08-27T02:26:22Z. Source file · JSON