Enclosed space
A space which has the following characteristics:
- Limited Openings for entry and exit;
- Unfavourable natural ventilation; and
- Is not designed for continuous worker occupancy.
This includes, but is not limited to, cargo spaces, double bottoms, fuel tanks, ballast tanks, pump rooms, compressor rooms, cofferdams, void spaces, duct keels, inter-barrier spaces, engine crankcases and sewerage tanks.