Validity of existing certificates.
Prohibition
against
carbide.
and
exceptions.
Angle of slope.
Duty to station a safety mau,
10
ble for ensuring that the workmen in his charge comply with this regulation. He shall forthwith report to his immediate superior any case of gassing however slight.
29. (1) Mine blasting certificates in force at the date of coming into operation of these regulations shall remain valid, unless otherwise cancelled, for a period of unc year from that date.
(2) Any such certificates may be exchanged free of cost for a minc blasting certificate issued under these regulations if surrendered to the Superintendent of Mines within the aforesaid period of one year.
30. (1) No person shall carry or cause or permit to be carried any calcium carbide underground except-
(a) in lamps of a type approved by the Superintendent of
Mines; or
(b) in a watertight receptacle of a type approved by the
Superintendent of Mines.
(2) No person shall store or leave calcium carbide under- ground on coming off a shift.
PART V.
Mining: Opencast and Alluvial.
31. The Superintendent of Mines may determine from time to time the angle to be maintained on any mine workings to ensure the safety thereof, and in that event shall give notice in writing to the manager of the angle m be maintained. It shall be the duty of the manager to ensure that the angle is maintained at ali times to the satisfaction of the Superintendent of Mines.
32. In the case of any excavation which exceeds six feet in vertical height and four feet in breadth and is made by hand and not to labour and not wholly by hydraulic or mechanical means- deposit
spoil
near edge.
(a) there shall be a safety man for every gang exceeding twenty men and he shall be stationed on the top of the bank for the purpose of watching for surface cracks and barring down all loose and overhanging ground; and
T
11
(b) no spoil shall be deposited within three feet of the edge
of the top of the vertical or sloped face.
tendeni. Lo
33. When the Superintendent of Mines considers that the Power of face of a mine should be stepped in benches in order to ensure Superin- the safety thereof, he shall by notice in writing addressed to the require manager require such stepped benches to be cut as he may direct. stepped!
PART VI
Mining: Protection of surface.
benches to be cut into mine face.
34. Where mining operations have caused subsidence or Duty to cavities on the surface, or where they are likely to occur, such protect
eurface places shall be securely fenced in and conspicuous notice boards where inscribed "WARNING" shall be erected and maintained there- subsidence or cavities abouts as long as the danger exists.
occer.
35. (0) For the protection of ground and any surface Power to objects which it is necessary to protect in the interests of personal give
directions. safely or public traffic, and the removal of which may be and duty inexpedient, the veins, beds or other mineral deposits shall be with them.
to comply left inter not only vertically below them, but also for such a distance beyond as a mines officer may consider necessary. An appeal shall lie from the direction of the officer to the Superin- tendent of Mines.
(2) Permission for the entire or partial excavation of the ground beneath such surface objects may be obtained from the Superintendent of Mines to the extent and under such precautions and conditions as he may prescribe in each separate case.
(3) The driving of tunnels not exceeding six feet in width through the safety pillars for the purpose of connecting two separate mines or parts of a mine may be allowed with the written permission of the Superintendent of Mines and upon due observance of the safety precautions prescribed by him.
36. All excavations made contrary to the provisions of Duty to regulations 34 and 35 shall be immediately filled up with loose All in illegal rock debris or earth by the person or persons responsible for such excavations. excavations, failing which they shall be filled up by Government
at the expense of the licensee or lessee of the mine,