Content Page: 9 Drainage and Sewerage

  • 73 Penalties

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    Innocent Munyaka

    Any person who is guilty of an offence in terms of this Act, where no penalty is expressly provided therefor, or of any regulations made in terms of this Act shall be liable for each such offence—(a) to a fine not exceeding five hundred dollars; or(b) in the case of a continuing offence, to a…

  • Single-Stack Systems

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    zezuru_mv55g8

    (1) Single-stack systems may be used under the following conditions- a) all soil and waste branch pipes shall be separately connected to the vertical soil stack; b) the minimum depth of water-seals shall be 75 millimetres for waste-water fittings, and 50 millimetres for soil-water fittings; c) the waste-pipe used in conjunction with a 32-millimetre-diameter trap…

  • Protection Of Waste-Water Traps

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    zezuru_mv55g8

    (1) In the one-pipe system, the water-seal of the trap of every waste-water fitting shall be protected by means of an anti-siphon pipe : Provided that, where horizontal waste-pipes are back-vented as described in section 46, the anti-siphon pipes may be omitted. (2) In the one-pipe system, the water-seal of the trap of every waste-water…

  • Ventilation Of Soil-Water Fittings

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    zezuru_mv55g8

    Where several soil-water fittings are connected to a branch soil-pipe which is provided with a vent connected to such branch soil-pipe immediately short of the farthest soil-water fitting on such branch, and such vent is connected to another vent at a point not less than 150 millimetres above the highest water-level possible in such soil-water…

  • Protection Of Soil-Water Traps

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    zezuru_mv55g8

    Subject to the provisions of section 46, the water-seal of the trap of a soil-water fitting shall, in the following cases, be protected by means of an anti-siphon pipe of such dimensions and location as are section 40, respectively, that is to say where such soil-water fitting- a) discharges into an unventilated sewer or soil-pipe…

  • Anti-Siphon Pipes

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    zezuru_mv55g8

    (1) Every individual anti-siphon pipe shall be connected to the soil-pipe or waste-pipe which it serves on the outlet side of the trap obliquely in the direction of flow of the last-mentioned pipe at a point not less than 75 millimetres or more than 750 millimetres from the crown of the trap. (2) Such anti-siphon…

  • Inter Connexion Of Vents From Soil And Waste-Fittings

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    zezuru_mv55g8

    Where two pipe system is used, a pipe which ventilates a soil-pipe or fitting and a pipe which ventilates a waste-pipe or fitting shall not be connected to each other.

  • Branch Vents And Anti-Siphon Pipes

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    zezuru_mv55g8

    Every vent and every anti-siphon pipe shall, unless carried up independently, be connected to a main vent at a point at least 150 millimetres above the top of the highest fitting which the main vent serves.

  • Gradient Of Vents And Anti-Siphon

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    zezuru_mv55g8

    Every vent and every anti-siphon pipe shall be so graded as to provided a continuous fall without the interposition of a trap from its open end to the point of connexion to the waste-pipe, soil-pipe, private sewer or combined private sewer which it serves.

  • Ventilation Outlets

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    zezuru_mv55g8

    (1) Every vent-pipe or anti-siphon pipe shall be carried upwards without diminution of diameter to a height of at least 4,5 metres above finished ground-level, 300 millimetres above place of emergence through the roof, or 1 metre above eaves-level, whichever is the greatest height, or to such greater height or to such position as the…