6 Collection and storage of oily wastes
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Marine Environment Protection Committee - MEPC/Circular.235 – Guidelines for Systems for Handling Oily Wastes In Machinery Spaces of Ships – (Adopted on 13 December 1990) - Appendix - Guidelines for Systems for Handling Oily Wastes In Machinery Spaces of Ships - 6 Collection and storage of oily wastes

6 Collection and storage of oily wastes

  6.1 A sludge tank or tanks are mandatory under regulation 17.

  6.2 A bilge-water holding tank is arranged to receive the daily generation of bilge-water before this water is discharged ashore or discharged through the 15 ppm or 100 ppm equipment overboard. A bilge-water holding tank is not mandatory, but will enable ships to operate safetly during port visits, during operation in special areas and coastal waters and during periods of maintenance of the 15 ppm and 100 ppm equipment.

  6.3 A bilge-water holding tank will also provide additional safeguards in the purification of oily bilge-water should quick-separating detergents be used for cleaning purposes.


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