Page 42 - Safety and health in construction

Safety and health in construction

6.1.16. Vehicles and earth-moving or materials-handling equipment should not be
left on a slope with the engine running.

6.1.17. Deck plates and steps of vehicles and equipment should be kept free from
oil, grease, mud or other slippery substances.

6.1.18. Dredge-type excavators should not be used on earth walls more than 1 m
higher than the reach of the excavator if they are installed at the bottom of the wall.

6.1.19. Bucket excavators should not be used at the top or bottom of earth walls
with a slope exceeding 60.

6.2. Power shovels, excavators

6.2.1. If necessary to prevent danger during inspection or repair, the jib of power
shovels should be equipped with a ladder protected by a guard-rail and toe-board.

6.2.2. Brake pedals for all motions on power shovels should have two
independent locking devices.

6.2.3. Power shovels should be equipped with an emergency quick-acting stop
device independent of the controls.

6.2.4. Excavators that are equipped with a unit for deep digging should either be
so designed that the bucket teeth cannot come nearer the boom than 40 cm or be
provided with a reliable stop that prevents this from happening.

6.2.5. Excavators that are designed to be used for lifting with lifting gear should
be provided with a plate in the cabin and on the boom bearing a clearly legible and
durable text giving the maximum safe working load of the lifting gear fitted.

6.2.6. Excavators that are equipped for use as mobile cranes should:
(a) be examined and tested in accordance with national laws and regulations for
mobile cranes;
(b) be fitted with an automatic safe working load indicator, when practicable.

Steam shovels

6.2.7. National laws and regulations concerning the construction, installation,
operation, testing and examination of steam boilers should be followed for the boilers
of steam shovels.

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