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[接上页] Cap 285B reg 24 Person entitled to blast, and his responsibility (1) The preparation and firing of charges shall be by a shot-firer. (2) In the preparation of charges and the firing of such charges a shot-firer may be assisted by reliable persons, who are not shot-firers, when acting under his direct supervision but he shall be personally responsible for any accident occurring through such person's ignorance, inexperience, or carelessness and in no case shall any person except a shot-firer actually prepare a detonator or charge any hole. (3) There shall be no simultaneous firing with electric detonators except in the case of shaft sinking, opencast workings or mine workings. Cap 285B reg 25 Loose ground to be removed before drilling Working faces to be examined Before beginning drilling operations the gang foreman shall- (a) satisfy himself that all overhanging and loose or loosened debris has been removed from the face and immediate vicinity of the place of operations; (b) see that working faces which are to be drilled are thoroughly scraped and examined for sockets or butts of holes and for charges which may have misfired. Cap 285B reg 26 Duty of gang foreman to be the first to enter place of operations (1) Before commencing work either at the beginning of a shift or after blasting, the gang foreman in charge of the shift shall be the first to enter the place of operations and, until he considers it safe, he shall not allow any person to enter therein except those required by him to make the place safe. (L.N. 235 of 1996) (2) In shaft sinking the gang foreman in charge accompanied, if necessary, by not more than 2 other persons shall carefully examine the shaft from top to bottom after blasting and shall remove all loose debris which may have settled on the shaft timbers or fittings. Cap 285B reg 27 Action to be taken when blasting takes place within 10 metres of each other When the distance between approaching workings in either of which blasting is being done is reduced to 10 metres, the workmen shall be withdrawn from both faces whilst blasting operations are taking place at either face. (L.N. 87 of 1986) Cap 285B reg 28 Resumption of work after blasting No person shall return to any working place until such place is free from the dust, smoke and fumes caused by blasting and every gang foreman in charge of workmen shall be responsible 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. Cap 285B reg 29 Validity of existing certificates (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 1 year from that date. (2) Any such certificates may be exchanged free of cost for a mine blasting certificate issued under these regulations if surrendered to the Superintendent of Mines within the aforesaid period of 1 year. Cap 285B reg 30 Prohibition against carbide, and exceptions (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 receptable of a type approved by the Superintendent of Mines.(2) No person shall store or leave calcium carbide underground on coming off a shift. Cap 285B reg 31 Angle of slope PART V MINING: OPENCAST AND ALLUVIAL 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 to be maintained. It shall be the duty of the manager to ensure that the angle is maintained at all times to the satisfaction of the Superintendent of Mines. Cap 285B reg 32 Duty to station a safety man, and not to deposit spoil near edge In the case of any excavation which exceeds 1.8 metres in vertical height and 1.2 metres in breadth and is made by hand labour and not wholly by hydraulic or mechanical means- (a) there shall be a safety man for every gang exceeding 20 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 (b) no spoil shall be deposited within 1 metre of the edge of the top of the vertical or sloped face. (L.N. 87 of 1986) Cap 285B reg 33 Power of Superintendent to require stepped benches to be cut into mine face When the Superintendent of Mines considers that the face of a mine should be stepped in benches in order to ensure the safety thereof, he shall by notice in writing addressed to the manager require such stepped benches to be cut as he may direct. Cap 285B reg 34 Duty to protect surface where subsidence or cavities occur PART VI MINING: PROTECTION OF SURFACE Where mining operations have caused subsidence or cavities on the surface, or where they are likely to occur, such places shall be securely fenced in and conspicuous notice boards inscribed "WARNING" shall be erected and maintained thereabouts as long as the danger exists. |