Content Page: Model Building By Laws

  • Floors

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    (1) General.-Solid floors in contact with the ground shall be a minimum thickness of 75 millimetres and shall be so constructed or treated as to render them damp-proof. (2) Where required by the local authority, a horizontal damp-proof course shall be laid under the floor for its full extent. (3) Wash-room and toilet-room floors.- The…

  • Parapets And External Projections

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    Damp-proof courses shall be provided to parapets and, where required by the local authority, to external projections in such manner as to prevent the passage of moisture into the building.

  • Openings In External Cavity-Walls

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    In external cavity-walls, damp-proof courses shall be provided at sills and heads of all openings, to prevent the passage of moisture from the outer to the inner leaves of the wall.

  • Cavity-Walls

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    In cavity-walls, damp-proof courses shall be provided in such a manner as to- prevent moisture from the soil or foundation-walls from rising into the wall above the level of the ground-floor or reaching any timber in the floors; and a) allow any moisture from the cavity to drain outwards through weep-holes or open vertical joints…

  • Detailed Requirements

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    (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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    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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    “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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    (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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    (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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    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…