32.2. Shaft sinking
General provisions
32.2.1.
Every shaft not sunk through solid rock should be
cased, lined or otherwise made safe.
32.2.2.
Shuttering for masonry lining of shafts should only be
removed gradually as the masonry progresses.
32.2.3.
As far as practicable, workers employed in sinking
shafts should be protected against falls of objects.
32.2.4.
Workers employed on sinking shafts should be provided
with staging, scaffolds or cradles from which they can work safely.
32.2.5.
Staging, scaffolds and cradles should, if necessary for
the maintenance of adequate ventilation in the shaft, be provided
with grids or other suitable devices.
32.2.6.
As soon as practicable, the shaft top should be protect-
ed by adequate fencing, or guard-rails and toe-boards and gates.
32.2.7.
When a shaft is being sunk through water-bearing
strata, adequate means of escape from the bottom should be
provided.
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Safety and health in building and civil engineering
32.2.8.
All entrances between the bottom of a shaft and the
top should be securely fenced.
32.2.9.
Where a fence or cover has been removed from a shaft
entrance to allow work to proceed, it should be replaceable by two
horizontal bars, ropes or chains at heights of about 60 cm (2 ft) and
1.20 m (4 ft) from the floor.
32.2.10.
All shafts should have a ladderway from the surface
to the workings, in addition to any mechanical means of ingress
and egress.
32.2.11.
Ladders should comply with the relevant requirements
of Chapter 4.
32.2. 12.
Shafts used for hoisting should have a ladder com-
partment separated from the haulage compartment by fencing ade-
quate to prevent danger.
32.2.13.
In blasting operations, all shots should be fired by
electricity.
32.2. 14.
If shaft sinking is carried on at night, the shaft top
should be adequately lit.