ANNEX 17 MEPC 54/21 REVISED GUIDELINES FOR SYSTEMS FOR HANDLING OILY WASTES IN MACHINERY SPACES OF SHIPS

The information contained in these Guidelines should be regarded as guidance in achieving an efficient and effective system for the handling of oily bilge water and oily residues for new buildings and, where applicable and reasonable, for ships which are in service.

The information should be considered in conjunction with specific conditions and circumstances, shipowners’ and shipbuilders’ practices, classification society rules, Administration requirements, etc., applicable to specific ship.

5 Definitions for the purpose of the Guidelines

5.1 Oily waste means oil residues (sludge) and oily bilge water.

5.2 Oil residue (sludge) means:
.1 separated sludge, which means sludge resulting from purification of fuel and lubricating oil;
.2 drain and leakage oil, which means oil resulting from drainages and leakages in machinery spaces; and
.3 exhausted oils, which means exhausted lubricating oil, hydraulic oil or other hydrocarbon-based liquid which are not suitable for use in machinery due to deterioration and contamination.

5.3 Sludge tanks mean:
.1 tanks for separated sludge;
.2 drain and leakage oil tanks; and
.3 exhausted oil tanks.