Page 82 - Safety and health in construction

13. Work over water

13.1. General provisions

13.1.1. Where work is done over or in close proximity to water provision should
be made for:

(a) preventing workers from falling into water;
(b) the rescue of workers in danger of drowning;

(c) safe and sufficient transport.

13.1.2. National laws or regulations should lay down provisions for the safe
performance of work over or in close proximity to water which should include, where
appropriate, the provision and use of suitable and adequate:
(a) fencing, safety nets and safety harnesses;
(b) lifebuoys, life jackets and manned boats (motor-driven if necessary);

(c) protection against such hazards as reptiles and other animals.

13.1.3. Gangways, pontoons, bridges, footbridges and other walkways or
workplaces over water should:

(a) possess adequate strength and stability;
(b) be sufficiently wide to allow safe movement of workers;

(c) have level surfaces free from protruding knots, bark, nails, bolts and other tripping
hazards;

(d) if necessary to prevent danger, be boarded over;
(e) if necessary to prevent danger, be adequately lit when natural lighting is
insufficient;
(f) be provided at appropriate points with sufficient lifebuoys, lifelines and other life-
saving equipment;

(g) where practicable and necessary to prevent danger, be provided with toe-boards,
guard-rails, hand ropes or the like;

(h) be kept clear of tackle, tools and other obstructions;
(i) be strewn with sand, ashes or the like when made slippery by oil or snow;

(j) be secured to prevent dislodgement by rising water or high winds, especially in the
case of decking boards on gangways and platforms erected above tidal waters;
(k) if necessary, be equipped with ladders which should be sound, of sufficient
strength and length and be securely lashed to prevent slipping. Where vertical
permanent ladders are provided in plant over water they should be fitted with
safety hoops;

(l) where appropriate, possess adequate buoyancy.

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