Content Page: Model Building By Laws

  • Corbelling

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    (1) Walls less than 215 millimetres in thickness shall not be corbelled, nor, in a cavity-wall, shall a leaf less than 215 millimetres in thickness corbelled : Provided that nothing in this section shall be construed as preventing walls overhanging their supports in accordance with the provision of section 22. (2) In a single-storey dwelling-house…

  • Thrust From The Roof

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    (1) Where a roof exerts lateral thrust on supporting walls, piers or columns which results wholly or partly from dead, the walls, piers or columns shall be designed in accordance with requirements of sections 63 to 82. (2) If such thrust results from superimposed load only, then no such design shall be necessary on that…

  • Lintels

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    (1) Reinforced concrete lintels may:- a) be constructed in accordance with the requirement set out in the Fourth schedule: or b) be proprietary pre-cast lintels of approved manufacture. (2) Lintels of types other than that specified in subsection (1) may be used to the design and construction being approved by the local authority.3 2 Where…

  • Openings, Chases And Recesses

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    (1) Lintels and arches over openings2..-The portion of a masonry or concrete wall above an opening shall be provided with a lintel constructed as an arch, and shall comply with requirements as set out in Chapter 3 or section 18. (2) Chases and recesses.- Where horizontal chases or recesses are cut to a depth greater…

  • Use Of Existing Masonry

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    (1) an existing masonry wall, pier or column may be used in the construction of a building, and in the repair, alteration or enlargement of a building, if it complies with the requirements of these by-laws. (2) an existing masonry wall which is structurally sound which is of insufficient thickness for its proposed use may…

  • Construction In Cold Weather

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    No masonry construction shall take place when the temperature at the site of work is below- a) 2 degrees Celsius at a time when the temperature is rising; or b) 5 degrees Celsius at a time when the temperature is falling.

  • Concrete In Walling

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    (1) Concrete used in walls, piers and columns, and in foundations for them, shall except where otherwise specified, be made, placed and cured in accordance with the requirements of the appropriate Central African, and, in addition, shall comply with requirements of the of the following subsections. (2) Normal concrete, other than light-mass concrete used in…

  • Mortars

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    (1) Mortars: classification.-Except where gypsum is required by section 36, or where another mortar is permitted under subsection (8) , mortar shall be one of the classes specified in Table III to subsection (7), and shall otherwise comply with the requirements of this section relating to its class. The requirements of this section relating to…

  • Workmanship

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    (1) Except where the local authority considers it to be unnecessary or inadvisable, all walls shall be plumb, and shall be adequately braced during construction. (2) Except for concrete and soil-cement building-units, which shall be kept in a dry condition, all masonry building-units shall be thoroughly wetted with water immediately before being laid. (3) Except…

  • Bond

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    (1) Except in rubble stone wall, the vertical joints in successive courses in masonry walls shall break joint to the extent of at least a quarter of the length of a building-unit. (2) Whenever the thickness of a solid wall of bricks or blocks is composed of more than one building-unit, either wall ties shall…