77. (1) Detaching hooks of a hoist shall be
(a) installed between the socket and safety chains on all cages; and
(b) cleaned, refitted and tested by a qualified person at least once every month.
(2) The detaching plate of a hoist shall be
(a) placed as high as is practicable above the decking level;
(b) capable of holding the mass of the cage if overwinding occurs; and
(c) tested once every month by a qualified person using calipers or gauges.
(3) The clearance between the head sheave and the top of a cage that is stopped at the top of the run shall be not less than 5 m.
(4) The qualified person referred to in paragraph (1)(b) or (2)(c) shall record the results of the tests in a hoisting machinery record book kept for that purpose.
78. (1) All hoist ropes, other than endless hoist ropes, shall be connected to their loads by means of a socket that is designed and installed in accordance with good engineering practice.
(2) Hoist ropes shall, at least once every month, be fitted with new sockets or sockets that have been cleaned and tested.
(3) The drum end of a hoist rope shall be fastened to the drum by not less than two clamps.
79. (1) The connecting attachments between a newly installed or newly cut hoist rope and a cage or trip and between the hoist rope and the drum shall be inspected by a qualified person before the hoist is used.
(2) No hoist rope referred to in subsection (1) shall be used for the transportation of persons in a shaft unless two trial winds have been made with the cage or trip loaded to the maximum authorized load of the hoist.
(3) The trial winds referred to in subsection (2) shall be made over the lesser of
(a) the complete run of the cage or trip, or
(b) 1 500 m.
80. (1) The qualified person referred to in subsection 79(1) shall record the results of the inspection of the connecting attachments in the hoisting machinery record book referred to in subsection 77(4).
(2) The results of the trial winds referred to in subsection 79(2) shall be recorded by the hoist operator in a hoist operator’s record book kept for that purpose.
Cage and Mine Car Construction
81. Every mine car shall be so constructed that any coupling, shackle pin or safety chain is visible for inspection.
82. Effective on October 1, 1993, every mine car shall have a name-plate that indicates
(a) the manufacturer’s name and address;
(b) the tare weight of the fitted mine car;
(c) the maximum load for which the mine car is designed, expressed
(i) in the case of a material car, in tonnes, and
(ii) in the case of a man car, in number of persons, calculated on the basis of 81.7 kg per person;
(d) the maximum speed for which the mine car is designed, expressed in metres per second; and
(e) the month and year of manufacture.
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