Content Page: Model Building By Laws

  • Distinction Between Horizontal And Vertical Pipes

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    For the purpose of the provisions of this Chapter, any pipe which is inclined to the horizontal at an angle of less than 45 degrees shall be deemed to be a horizontal pipe, and any other pipe shall be deemed to be a vertical pipe.

  • Rates Of Discharge From Sanitary Fittings

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    Any sanitary fitting with an outlet of a diameter referred to in column 1 of Table IV shall be deemed to discharge sewage at the rate stated for such sanitary fitting in column 2 or column 3 of such table, which ever is applicable. TABLE IVTABLE V

  • Discharge Units

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    (1) For the purposes of this section, the rate at which sewage is discharged into, or at which it flows through, a pipe or sewer shall be measured in units which are herein referred to as “discharge units” (abbreviated reference d.u) (2) The rate at which sewage flows through a pipe or sewage flows through…

  • Solder

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    Solder used for plumbing shall comply with the requirements of C.A.S. No H3, Soft solders

  • Asphaltic Compound

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    Asphaltic compound used for joints shall not- a) be brittle at normal temperature; nor b) soften sufficiently to destroy the effectiveness of the joint when subjected to a temperature of 70°C; nor c) be soluble in any of the wastes carried by the sewerage system.

  • Jointing

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    Jointing of sewers and fittings shall be made- a) with materials approved for use with the particular material of which the sewers and fittings are made; and b) in such a manner as- (i) to prevent leakage from the joint; and (ii) where necessary, to allow some moment of the joint.

  • Waste Overflow

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    Where any sanitary fitting is provided with an overflow, such overflow shall, except in the case of cisterns and storage-tans, be connected close to its discharge either into the open air or to the inlets of the associated trap, and shall be so arranged that it is readily accessible for cleaning.

  • Seals In Fitting-Traps

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    (1) Except in the case of resealing-traps, the maximum depth of water-seal in all fittings-traps shall be 100 millimetres. (2) For two-pipe system installations, the minimum depth of the water-seal in all fitting-traps shall be 40 millimetres for waste-water fittings and 50 millimetres for soil-water fittings. (3) For one-pipe systems and single-stack systems, the minimum…

  • Threaded Fittings

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    All threaded fittings shall be of copper, brass, malleable cast iron or galvanized mild steel, and shall be of recessed pattern with smooth interior waterways and with threads tapped out of solid material.

  • Prohibited Fittings

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    (1) No single-or double-tee or tapped-tee branch or any fitting or connexion which offers abnormal obstruction to flow through a sewer-pipe, waste-pipe or soil-pipe shall be used. (2) The drilling and tapping of any pipe used in the sewerage system after its installation is prohibited. (3) Dead ends in waste-pipes or soil-pipes shall not be…