§ 32.55-45 - Venting of cofferdams and void spaces of tank vessels constructed on or after November 10, 1936 - TB/ALL.

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§ 32.55-45 Venting of cofferdams and void spaces of tank vessels constructed on or after November 10, 1936 - TB/ALL.

(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.

                    
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§ 32.55-45 - Venting of cofferdams and void spaces of tank vessels constructed on or after November 10, 1936 - TB/ALL.

§ 32.55-45 Venting of cofferdams and void spaces of tank vessels constructed on or after November 10, 1936 - TB/ALL.