【法规名称】
【法规编号】 79793 什么是编号？
【正 文】
第6页 CAP 123I BUILDING (STANDARDS OF SANITARY FITMENTS, PLUMBING, DRAINAGE WORKS AND LATRINES) REGULATIONS
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[接上页] (a) over or into a suitable channel within 1 m of a properly trapped gully; (L.N. 294 of 1976) (b) into a gully, above the level of the water therein; or (c) into a suitable hopper head.(2) Waste pipes from lavatory basins may discharge- (a) into a suitable drainage channel immediately below the lavatory basins, if such drainage channel discharges into a trapped gully; or (b) into a common waste pipe, if the common waste pipe discharges through a trap and has adequate means of access for cleaning.(3) Subject to the provisions of regulation 25(3), waste pipes may be connected to a soil pipe. Cap 123I reg 13 Materials for soil fitments Every soil fitment shall be constructed of glazed earthenware, enamelled fire clay or other approved material. Cap 123I reg 14 Construction of watercloset fitments (1) Every watercloset fitment, other than a squatting type fitment, shall be of such shape, capacity and mode of construction as to retain a sufficient quantity of water and to receive normal deposits of excrement into such water without undue soiling of the sides of the fitment. (2) Every watercloset fitment, other than a squatting type fitment, shall be provided with a hinged seat or a suitable seat rim or inset. (L.N. 361 of 1980) Cap 123I reg 15 Construction of trough waterclosets The channel of a trough watercloset shall be not longer than 5 m and shall have an even fall towards the outlet trap of not less than 1 in 30. (L.N. 294 of 1976) Cap 123I reg 16 Construction of urinal channels The channels of every stall and trough urinal shall have an even fall towards the outlet trap of not less than 1 in 120 and no part of any such channel shall be more than 6 m from the trap to which it discharges. (L.N. 294 of 1976) Cap 123I reg 17 Flushing water supply (1) A system of plumbing shall be provided for the supply of water for flushing purposes to every watercloset fitment, trough watercloset, urinal and slop sink. (2) Every part of any such system of plumbing (including any storage tank for water solely for flushing purposes) shall be constructed of material that is suitable for use with salt water. (L.N. 113 of 1964) Cap 123I reg 18 Flushing rim Every watercloset fitment, bidet, basin-type urinal and slop sink shall be provided with a suitable flushing rim for the effectual flushing of the fitting. Cap 123I reg 19 Flushing cisterns (1) Save as provided in regulation 20, every watercloset fitment, trough watercloset, urinal and slop sink shall be provided with a flushing cistern. (2) Such flushing cistern shall- (a) in the case of watercloset fitments and slop sinks- (i) discharge to the watercloset fitment of slop sink, on each occasion such fitment is used, not less than 9 litres and not more than 14 litres of water; and (ii) be provided with a ball valve so arranged as to re-fill the cistern within 2 minutes;(b) in the case of trough waterclosets, be fitted with automatic discharging apparatus so arranged as to discharge- (i) at the highest point of the channel; (ii) at such intervals as may be necessary of ensure adequate cleaning of the closet, not less than 9 litres of water for every metre of the channel;(c) in the case of urinals, be fitted with automatic discharging apparatus so arranged as to discharge- (i) into every basin or stall or, in the case of a trough urinal, every metre thereof, (ii) at such intervals as may be necessary to ensure adequate cleaning of the urinal, not less than 4.5 litres of water. (L.N. 294 of 1976) Cap 123I reg 20 Pressure valves Save in the case of trough waterclosets and urinals, pressure valves may, where there is a suitable head of water, be installed for flushing purposes without the provision of a flushing cistern. Cap 123I reg 21 Flushing pipes The internal diameter of flushing pipes shall- (a) in the case of watercloset fitments, trough waterclosets and slop sinks, be not less than 32 mm; (b) in the case of urinals (other than trough urinals), be not less than 15 mm for each basin or stall; and (c) in the case of trough urinals, be not less than 15 mm for every metre thereof. (L.N. 294 of 1976) Cap 123I reg 22 Storage tanks for flushing water (1) Storage tanks for water solely for flushing purposes shall be provided in every building in which watercloset fitments, trough waterclosets, urinals or slop sinks are installed. (2) Every such tank shall- (a) at a position above the level of the highest fitment or on a suitable water tower; (b) fitted with a suitable close fitting cover; and (c) provided with adequate access to enable the tank to be entered and cleaned. Cap 123I reg 23 Overflow pipes (1) Every flushing cistern and water storage tank shall be provided with an overflow pipe. (2) The overflow pipe from a water storage tank shall- (a) have an internal diameter of one commercial size larger than the supply pipe to the cistern or tank; (L.N. 361 of 1980) (b) dip down, inside the tank, so as to terminate in a position not more than 150 mm above the bottom of the tank; and (L.N. 294 of 1976) |
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