Maritime Occupational Health and Safety Regulations

213 (1) If materials handling equipment is used in circumstances in which it may turn over, it must be fitted with a rollover protection device that meets the requirements set out in CSA Standard B352.0-09, Roll-over protective structures (ROPS), falling object protective structures (FOPS), operator protective structures (OPS), and tip-over protective structures (TOPS) for mobile machinery - General Canadian requirements.

(2) Guards must be installed on the deck of every vessel and on every other elevated working area on which materials handling equipment is used to prevent the equipment from falling over the sides of the deck or area.

(3) A load must not be left suspended from any lifting machinery unless a qualified person is present and in charge of the machinery while the load is left suspended.