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