1. LawStack
  2. Title 46 - Shipping
  3. Chapter I - COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
  4. Subchapter D - TANK VESSELS
  5. Part 32 - SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS
  6. Subpart 32.55 - Ventilation and Venting
  7. 46 CFR § 32.55-45
46 CFR § 32.55-45
Venting of cofferdams and void spaces of tank vessels constructed on or after November 10, 1936—TB/ALL
April 15, 2021
CFR

(a) Except as provided in paragraph (b) of this section, on all tank vessels, the construction or conversion of which was started on or after November 10, 1936, cofferdams and void spaces shall be provided with gooseneck vents fitted with a flame screen or pressure-vacuum relief valves. The diameter of a vent shall be not less than 21⁄2 inches.

(b) On unmanned tank barges not fitted with fixed bilge systems in the cofferdams and void spaces, vents for cofferdams and void spaces will not be required.

Previous
§ 32.55-35 Venting of cargo tanks on tank vessels constructed prior to November 10, 1936—TB/ALL
Next
§ 32.55-50 Ventilation of tankships that have a keel laying date on or after January 1, 1975—T/ALL

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