Content Page: 9 Drainage and Sewerage

  • Access To, And Replacement Of, Cisterns And Tanks In Roof Structures And Enclosed Positions

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    Every cistern or tank situated within a roof structure or in any other enclosed position shall be so installed as to be readily accessible for purposes of maintenance or replacement of such cistern or tank.

  • Access To Pipes And Connexions

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    (1) All means of access to pipes and connexions shall be readily accessible so as to enable the plumbing system to be effectively cleansed. (2) Any part of the plumbing system which might be exposed to possible damage shall be adequately protected.

  • Silt-Traps And Catch-Basins

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    Silt-traps and catch-basins, when installed, shall be designed so as to retain effectively the silt or any other material which may cause clogging of the sewer or drain, and shall be placed so as to be readily accessible for clearing.

  • Location Of Gullies, Grease-Traps And Stable-Traps

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    (1) Subject to the provisions of subsection (3), all gullies, grease-traps and stable-traps shall be located in the open air or, if beneath a roof, in a place permanently exposed to the open air, and shall be at all times readily accessible for the purposes of cleaning or maintenance. (2) Every floor in a factory,…

  • Intermediate Traps In Sewers

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    No tap other than the trap required to serve a soil-water fitting directly shall be permitted between such fitting and any sewer with which it is connected.

  • Seal Preservation Of Traps

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    A water-tap shall be placed over every trapped gully which is connected to a sewer and which does not receive the discharge from a waste-water fitting.

  • Trapped Dish-Gullies

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    (1) In respect of each dwelling-house, there shall be provided not less than one trapped dish-gully. (2) Such gully shall be set on a base of concrete not less than 150 millimetres thick and having a composition not inferior to 50 kilograms of cement to 65 cubic decimetres of fine aggregate to 130 cubic decimetres…

  • Grease-Traps

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    Where required by the local authority, grease-traps of a size approved by the local authority shall be fitted to take the discharge from every scullery or kitchen sink, and, if they are constructed of earthen-ware, shall comply with the provisions of section 23, but, in any case, grease-traps shall be placed as near as possible…

  • Inlets To Sewers To Be Trapped

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    (1) Trapped gullies shall be so formed and installed as to maintain a water-seal of 60 millimetres, and no other trap shall be placed between a trapped gully and the public sewer. (2) Gully-traps and grease-traps shall be provided with hopper-heads with side and vertical inlets to receive waste-pipes. (3) A hopper-head shall be encased…

  • Waste Water To Discharge Into Trapped Gully

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    (1) Except in the case of a one-pipe system and a single-stack system, all waste water shall discharge into a trapped gully or grease-trap below the grating thereof and above the level of the water therein, which shall be connected to a sewer. (2) No waste-pipe shall discharge into or connect with a gutter, hopper-head…