7.3 Ballast and void spaces
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7.3 Ballast and void spaces

 The cargo holds of combination carriers are adjacent to ballast and void spaces. Leakages may occur in pipelines or ducts in these spaces, or by a fracture in the boundary plating; in this event there is a possibility that oil, inert gas and hydrocarbon gas may leak into the ballast and void spaces. Consequently gas pockets may form and difficulty with gas-freeing should be anticipated due to the considerable steelwork, acting as stiffening, which is characteristic of these spaces. Personnel should be alerted to this hazard.

Parent topic: 7 Combination Carriers
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