691. Prevention of drowning in regard to construction.

Where in the course of construction work1 any person is liable to fall into water or other liquid with a risk of drowning, suitable and sufficient steps must be taken:


    (1)     to prevent, so far as is reasonably practicable2, such person from so falling3;


    (2)     to minimise the risk of drowning in the event of such a fall4; and


    (3)     to ensure that suitable rescue equipment is provided, maintained and, when necessary, used so that such person may be promptly rescued in the event of such a fall