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[接上页] (a) the winding engine; (b) the top of the shaft; (c) the lowest point from which winding is carried on; and (d) the various intermediate stations for the time being in use,but this paragraph shall not apply to signalling apparatus used during sinking operations. (2) A mines officer may in writing exempt any shaft from the whole or part of the requirements of paragraph (1) and any exemption may be varied or revoked by a mines officer at 7 day's notice. An appeal shall lie from any such variation or revocation to the Superintendent of Mines. (3) Where more than 1 winding engine is in use at a shaft, a separate set of signals, as required in paragraph (1) shall be provided for each winding engine in use. Cap 285B reg 56 Exemption in respect of prospecting shafts Prospecting shafts where winding is done by manual or animal power may be exempted by a mines officer from the provisions of regulations 48, 52, 53 and 55. Cap 285B reg 57 Duty to fence underground entrances All underground entrances to shafts or other dangerous places which are temporarily or permanently abandoned shall be securely fenced across the whole width of the entrances so that no person can unintentionally enter them. Cap 285B reg 58 Duty to provide protection against falling materials Duty to report danger (1) Where the underground entrances referred to in regulation 57 or steeply inclined stopes lead directly into a main drive, it and any working situate on its lower or "dip" side, shall be securely fenced off in order to ensure that persons working therein shall not receive injury from falling materials. (2) Any gang foreman who has reason to believe that any part of the hanging wall or any other part of a mine is in a dangerous condition shall inform- (a) his superior forthwith who shall take all necessary steps to remove the danger; and (b) the foreman of any gang which may relieve his gang. Cap 285B reg 59 Duty to secure unsafe workings, and to keep reserve of timber (1) Where the ground is not naturally safe, every working or pumping shaft, travelling road, airway, working, adit, level, cross-cut, stope and underground passage, shall be securely timbered, walled up, or otherwise made secure, and kept in a safe condition as long as they are in actual use. No person, unless appointed for the purpose of making explorations or repairs, shall travel or work therein until they are properly secured. (2) Where the ground is not naturally safe in any working, there shall, in addition to the requirements in paragraph (1), be a sufficient reserve of suitable timber conveniently placed for the immediate use of the workmen employed therein. Cap 285B reg 60 Duty to provide safety pillars Power of Superintendent in respect of pillars (1) On the inside of the boundary lines of every mine there shall be safety pillars of the width, measured at right angles from the boundary lines, of- (a) in stratified deposits, not less than 15 metres; and (b) in non-stratified deposits, not less than 10 metres. (L.N. 87 of 1986)(2) On the joint application of the licensees or lessees of adjoining mines, the Superintendent of Mines may give written permission to either party to weaken, cut through or work their respective pillars between the mines. In the absence of a joint application he may give written permission for the partial working, weakening or cutting through of the pillars. Cap 285B reg 61 Duty to examine disused workings before reopening Underground workings, in particular shafts, sumps and winzes, which have been in disuse, shall be examined before being again used for the purpose of ascertaining whether foul air or other dangerous gases have accumulated therein. Only such workmen as may be necessary to make the examination shall be allowed to proceed therein until they are fit for use. Cap 285B reg 62 Ventilation requirement All parts of every underground working shall be properly and sufficiently ventilated to the satisfaction of a mines officer. Cap 285B reg 63 Duty to take air measurement In every mine the quantity of air in circulation shall be measured, at least once per month, and entered in a book kept for the purpose at the mine. Cap 285B reg 64 Ventilation doors All ventilation doors shall be self-closing. Cap 285B reg 65 Percussive drills Unless written exemption has been obtained from the Superintendent of Mines, percussive drills shall have a central water feed. Cap 285B reg 66 Duty to provide stationary lights Adequate stationary lights shall be provided- (a) during working hours- (i) at all stations in vertical and inclined shafts; and (ii) at all stopping places in levels where winding or hauling is effected by means of machinery; and(b) at night, at all workings on the surface. Cap 285B reg 67 Duty to light places containing unfenced machinery All places which contain winding, driving, pumping or other machinery in proximity to persons working and moving about and which are not fenced off in such a way as to render it impossible for anyone to come inadvertently in contact with, the machinery shall be so lighted whilst in operation that the moving parts thereof shall be clearly distinguishable. |