Metalliferous Mines Regulations, 1961 - Directorate General of ...

85. Multi-decks – Where a cage has two or more decks which are used simultaneously, each floor at a
landing shall be connected by an effective signalling device with the main floor of the landing; and only the
banksman or the bellman or the signalman or an official, as the case may be, at such main floor shall give
action signal, and only after he has satisfied himself that all cage gates are closed.
78 Winding of material – (1) Every cage used for the raising or lowering of tubs shall be provided of tubs
shall be provided with catches or other effective contrivances to prevent the tubs failing out. The cage shall
not be set in motion unless the catches or other effective contrivances are in position.
(2)(a) The floor of every cage shall be kept clean; and no skip, bucket or tub shall be filled up to such
height that any of the contents can fall out.
(b) Before long timber, pipes, rails, or other material projecting over the top of the cage or other means of
conveyance are lowered or raised, the projecting ends shall be securely fastened to the rope, chain or bow.
87. Winding in sinking shafts – At every shaft or winze in the course of being sunk, where a winding
engine is use the following provisions shall have effect, namely :
(1) If the shaft or winze is vertical and exceeds 45 metres in depth, there shall be provided for each bucket
or other means of conveyance a detaching-hook. Between the centre of the hole for attaching the detachinghook
to the rope shackle and the detaching bell or plate, when the bucket or other means of conveyance is
at the tope landing, there shall be a clear over-run space of not less than 3.6 metres.
(2) Where the shaft or winze is vertical and exceeds 150 metres in depth –
(a) the bucket or other means of conveyance, when used for lowering or raising persons, shall be provided
with sufficient cover overhead for protection from things falling down the shaft; and
(b) these shall be provided for each bucket or other means of conveyance a sufficient number of guides
which shall be kept extended to within 22.5 metres of the shaft bottom at all times when sinking is in
progress:
Provided that the Regional Inspector may, by an order in writing, require the provision of guides in a shaft
or winze which is less than 150 metres in depth or is not vertical.
(3)(a) There shall be provided and maintained two separate means of interchanging distinct and definite
signals between the bottom and the top of the shaft or winze. Efficient means shall also be provided and
maintained for transmitting such signals from the top of the shaft or winze to the winding engineman. The
signalling appliances shall be examined by a competent person once at least in every 24 hours. The result of
every such examination shall be recorded in a bound paged book kept for the purpose and shall be signed
and dated by the person making the examination.
1[ (b) In signalling, the following code of signals shall be used and observed
ONE RAP .. STOP
TWO RAPS .. LOWER
THREE RAPS .. TAKE UP SLACK or RAISE
FOUR RAPS .. TAKE UP SLACK or RAISE when men are riding.
Any other signals shall be in addition to, and shall not interfere with, the foregoing.
Provided that the Chief Inspector may, by an order in writing and subject to such conditions as he
may specify therein, permit the use of any code of signalling other than that specified above.
(c) A printed copy of the code of signals, including additional signals, if any, shall be posted prominently at
the top of the shaft or winze and also in the winding engine room.