Content Page: 9 Drainage and Sewerage

  • Soil-Pipes, Waste-Pipes And Vent-Pipes And Associated Fittings

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    (1) Soil-pipes, waste-pipes and vent-pipes and fittings of cast iron, copper, asbestos-cement or unplasticized polyvinyl chloride (U.P.V.C.) shall comply with the relevant standard specifications as follows- a) S.A.B.S. 460 Copper and copper alloy tubing; b) S.A.B.S. 721 Asbestos cement soil, waste , and ventilating pipes and fittings; c) S.A.B.S 746 Cast iron soil, waste water,…

  • Strap Hangers And Ring Hangers

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    Strap hangers and ring hangers used in accordance with section 66 shall be of- a) corrosion-resistant metal; and b) heavy pattern; and shall be securely attached to the building construction.

  • General

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    (1) All pipes, traps and associated fittings shall be free from defects and shall comply with the requirements of this section. (2) All drain-pipes, sewer-pipes, soil-pipes, bends, junctions and associated fittings shall be of glazed earthenware, asbestos cement, U.P.V.C., concrete, pitch-impregnated fibre, cast iron or other approved material. (3) All waste-pipes and vent-pies shall be…

  • Prohibited Sanitary Fittings

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    No sanitary fittings and no other device of any kind whatsoever shall be installed nor shall any type of construction be resorted to which will, or will be likely to, provide any cross-connexion between a water-distribution system and any part of a plumbing system of such a nature as to render possible back flow or…

  • Sanitary Fittings Having Plugs Or Stoppers

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    Sanitary fittings having plugs or stoppers shall comply with the requirements of S.A.B.S. 497, and shall be so constructed that water cannot remain in the overflow when the fitting is empty.

  • Gratings

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    . Approved gratings shall be fitted to all outlets from waste-water fittings, and aall such such gratings shall be of size and so constructed as to ensure ample outlet space for the rapid and efficient discharge of the water or other liquid contained in such fittings

  • Urinals

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    (1) Where urinals are manufactured from fire-clay or stainless steel, they shall comply with S.A.B.S 924, Stainless steel stall urinals, respectively. (2) The bottom of the urinal shall be evenly graded to an outlet trap of an internal diameter of not less than 75 millimetres, and shall be provided with an efficient corrosion-resistant hinged domical…

  • Slop-Hoppers

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    (1) All slop-hoppers shall be fitted with approved hinged corrosion-resistant metal gratings having openings not exceeding 20 millimetres in width. (2) The water-line shall be just below such grating, and the area of the surface of the water shall be not less than the area of the spigot outlet of the fitting. (3) A second…

  • Flushing-Valves

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    (1) Where flushing-valves are used, they shall deliver, automatically, a volume of water not less than, and at a rate not less than, that prescribed for flushing cisterns. (2) Adequate measures shall be taken to prevent a back siphonage from the soil-water fittings into the water-supply, which measures may consist of either a completely separate…

  • Flushing-Cisterns

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    zezuru_mv55g8

    (1) Every water-closet, urinal or slop-hopper shall be flushed by means of an approved flushing-valve or a flushing cistern complying with S.A.B.S. 497, or with S.A.B.S 821, W.C. flushing cisterns. (2) When coupled to a wash-down pan, the cistern shall have the following maximum flushing-times- High-level cistern Low-level cistern 9,1 litres: 6 seconds 9,1 litres:…