Archives: Library Snippets

  • Foundation Walls

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    (1) Except as provided for in subsection (4) of section 3, all foundation-walls shall have horizontal damp-proof courses set not less than 150 millimetres above the finished ground-level and also on the underside of any timber in the ground-floor construction which is in contact with such walls, and such timber shall be treated with preservatives…

  • Detailed Requirements

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    zezuru_mv55g8

    (1) Horizontal damp-proof courses.-Every horizontal damp-proof course shall be constructed to the full width of the wall resting upon it, and shall also extend full width of any wall-plate which may rest upon the damp-proof course. (2) For the purpose of this section, a cavity-wall shall be regarded as two separate walls. (3) Where composed…

  • General Requirements For Damp-Proofing And Waterproofing

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    zezuru_mv55g8

    The following requirements apply regarding damp-proofing and waterproofing- a) subject to the provisions of paragraph (c), there shall be provided, in the erection of every building, damp-proofing or water-proofing, in accordance with the requirements of this Chapter; b) water or moisture shall be prevented from entering the interior of such building, except as provided for…

  • Interpretation Of Terms

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    zezuru_mv55g8

    “back filling” means the material with which a trench or excavation is refilled; “butt exposure” means the length of a slate, shingle or tile which is exposed below the edge of the next row of units above when laid on the roof; “corrosion-resistant” means having the ability to resist gradual chemical or electro-chemical change caused…

  • 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.