Code of Federal Regulations (Last Updated: May 6, 2024) |
Title 46 - Shipping |
Chapter I - Coast Guard, Department of Homeland Security |
SubChapter O - Certain Bulk Dangerous Cargoes |
Part 154 - Safety Standards for Self-Propelled Vessels Carrying Bulk Liquefied Gases |
Subpart E - Operations |
§ 154.1838 - Discharge by gas pressurization.
Latest version.
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§ 154.1838 Discharge by gas pressurization.
The person in charge of cargo transfer may not authorize cargo discharge by gas pressurization unless:
(a) The tank to be offloaded is an independent tank type B or C;
(b) The pressurizing medium is the cargo vapor or a nonflammable, nontoxic gas that is inert with the cargo; and
(c) The pressurizing line has:
(1) A pressure reducing valve that has a setting that is 90 percent or less of the tank's relief valve setting; and
(2) A manual control valve between the pressure reducing valve and the tank.