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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 46 - Shipping |
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Chapter I - Coast Guard, Department of Homeland Security |
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SubChapter S - Subdivision and Stability |
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Part 174 - Special Rules Pertaining to Specific Vessel Types |
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Subpart C - Special Rules Pertaining to Mobile Offshore Drilling Units |
§ 174.090 - Permeability of spaces.
Latest version.
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§ 174.090 Permeability of spaces.
When doing the calculations required in § 174.065 -
(a) The permeability of a floodable space, other than a machinery space, must be as listed in Table 174.090; and
(b) Calculations in which a machinery space is treated as a floodable space must be based on an assumed machinery space permeability of 85%, unless the use of an assumed permeability of less than 85% is justified in detail.
Table 174.090 - Permeability
Spaces and tanks Permeability (percent) Storeroom spaces 60. Accommodation spaces 95. Voids 95. Consumable liquid tanks 95 or 0.1 Other liquid tanks 95 or 0.2