Conveyors

Pages:97-99
7. Conveyors
7.1. General provisions
Construction, installation
7.1.1. Conveyors should be so constructed and installed as
to avoid hazardous points between moving and stationary parts or
objects.
7.1.2. If a walkway is provided along a belt conveyor, it
should:
be at least 60 cm (2 ft) wide;
be kept clear of obstructions;
be provided with guard-rails and toe-boards complying with
the requirements of paragraphs 2.6.1 to 2.6.5 if it is more
than 1.5 m (5 ft) above the ground.
7.1.3. When workers have to cross over conveyors, regular
crossing facilities adequately lighted and affording safe passage
should be provided if necessary to prevent danger.
7.1.4. When conveyors that are not entirely enclosed cross
over places where workers are employed or pass beneath, sheet or
screen guards should be provided to catch any material that might
fall from the conveyors.
7.1.5. Power-driven conveyors should be provided at loading
and unloading stations, at drive and take-up ends, and at other
convenient places, if necessary to prevent danger, with devices for
stopping the conveyor machinery in an emergency.
7.1.6. Adequate fencing should be provided at transfer points.
7.1.7. Where two or more conveyors are operated together,
the controlling devices should be so arranged that no conveyor
can feed on to a stopped conveyor.
7.1.8. Conveyors that carry loads up inclines should be
provided with mechanical devices that will prevent the machinery
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