Excavation and loading

Pages45-49
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14. Excavation and loading
14.1. Duty of mine manager
14.1.1. The manager should prepare written excavation and loading rules
detailing the procedures to be followed during such operations.
14.2. Excavation
14.2.1. Electrically powered equipment should be disconnected before
mechanical work is done on such equipment. Power switches should be locked out or
other measures taken to prevent the equipment being connected again without the
knowledge of the persons working on it. Such locks or protective devices should not be
removed except by the person who installed them or by an authorised person.
14.2.2. In case of an unforeseen interruption of the electric power supply, the
operator should immediately return all starters and control levers to the "stop" or "zero"
positions.
14.2.3.1. A technical instruction sheet approved by the mine manager or a
competent person should be prepared for each machine in operation. In addition to
technical details relating to the machine, the information to be contained on this sheet
should include the permissible dimensions of working places, bench heights, stability
angles and distances that should be maintained by mining machines and transport
equipment from working faces, dumps and tipping points.
14.2.3.2. This information sheet should be posted in the proximity of the
operator's position on the machine concerned.
14.2.4. The cabins of all excavating machines should be so equipped that the
operator can always keep that part of the face adjacent to the machine in sight.
14.2.5. All sites where excavating machines are operating should be equipped
with a means of communication with the machine operator.
14.2.6. Rail-mounted excavators should not be set in operation unless the tracks
have been examined and pronounced safe.
14.2.7. No unauthorised person should be allowed in the cabin or on the external
platforms of an operating excavator.
14.2.8. Cab windows should be of safety glass or equivalent, in good condition
and should be kept clean.
14.2.9. No person should mount or enter any excavator being operated and
capable of movement without first attracting the operator's attention.

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