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No trap of the kind known rs the D trap shall be constructed or fixed in connexion with any such water closet or urinal apparatus.
43. No water closet or urinal apparatus or receptacle shall be directly connected with any water service pipe.
44. No flush-pipe connecting any water closet apparatus with the cistern shall be less than one and a quarter inches in diameter, and no flush-pipe in connexion with any urinal shall be less than three- quarters of an inch in diameter.
45. No water closet or urinal apparatus or receptacle shall be cused in,
46. Every water closet and urinal shall be provided with an efficient soil pipe of cast-iron or wrought-iron securely fixed to the wall in the manner described for ventilating and waste-pipes; and such soil pipe shall be not more than (unless required by the Build- ing Authority) four inches in diameter in the case of water closets and not more than (unless required by the Building Authority) two inches in diameter in the case of urinals, and shall be properly connected to the drain at the foot, and shall be continued up in full diameter without bends or angles except where unavoidable, and shall terminate in an open end at least three feet in height above the eaves of the building to which it is affixed or of any adjacent building, and not less than ten feet from any window.
Such soil pipe shall be jointed with yarn and molten lead and well caulked.
Every soil pipe shall be provided with proper june- tions for connecting with the water closet or urinal receptacle, the trap of which shall be connected in a sound and substantial manner. No soil pipe shall receive any pipe other than that from a water closet appuratus or urinal, and no trap shall be fixed in any portion thereof.
Every soil pipe shall be fixed throughout its entire length outside the building in the open air.
47. When more than one trap for a water closet or urinal receptacle is connected with a soil pipe, the trap of each and every such receptacle shall be provided with an air-pipe not less than one and a quarter inches in diameter, which shall be carried up throughout its entire length outside the building, and shall either be connected to the soil pipe above the connexion with the uppermost trap, or shall terminate not less than three feet above the eaves of the build- ing and not less than ten feet from any window,
48. All joints, pipes, fittings and apparatus in connexion with any water closet or urinal shall be perfectly water-tight and air-tight, and fixed to the satisfaction of the Building Authority.
49. All drains, sewers, and drainage works shall be built and carried out in all respects in accordance with the provisions of the Buildings Ordinance, 1932, and of these regulations and of any that may be made hereafter, and if no written notice provided by regula- tion No. 3 of these regulations shall have been given to the Building Authority by any owner or occupier about to construct, reconstruct, alter, repair, or amend any drain or sewer on his premises, and if by such default the Building Authority shall have had no opportunity of inspecting and approving or dis- approving of any such drain, sewer or drainage works
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actually built and already covered in, it shall be lawful for the Building Authority on discovering the existence of such drain or drainage works to call upon such owner or occupier to open and uncover the same for the purpose of inspection, and should such drain, sewer, or drainage works prove upon inspection to be defective either in respect of design, workmanship, or materials, they shall be deemed a nuisance under the aforementioned Ordinance and dealt with accordingly.
30. All works connected with the construction of drains, sewers, and connexions shall be carried out in strict accordance with the plans and sections previous- ly submitted to and approved by the Building Authority, or with such amendments to such plans and sections as may have been required by him, to inake them comply with the provisions of the Build- ings Ordinance, 1933, and such works shall be carried but in a proper and workmanlike manner with the best materials of their respective kinds, and shall be subject during their progress to the control and super- vision of the officers of the Building Authority appointed in that behalf and shall be completed to the entire satisfaction of the Building Authority.
51. Whenever any drain or sewer is about to be constructed or reconstructed, the Building Authority shail have power to require the provision of a surface channel of approved materials and design, in lieu of a covered drain or sewer, in any position in which a covered drain or sewer may appear to him to be undesirable.
Waste-pipe from buildings and surface channels from kitchens, sculleries, bathrooms, stables, COW- sheds and the like shall discharge into such surface channel without the intervention of a trap; but any communication between such surface channel and a covered drain or sewer shall be by means of a trap.
52. The position and depth of any sewer to which
it is proposed to make a connexion shall be ascertained by the person submitting any plan or notice relating to any drainage works. The Building Authority shall, on application being made to him by such person, open the road or footway where necessary to enable such information to be obtained, but the cost of such opening and of the reinstatement of the surface shall be borne by the applicant
53. The Building Authority, or any officer deputed by such Building Authority may, with such assistants as may be necessary, enter any building, curtilage or works, and may open the ground surface or take such other action as he inay consider necessary for the purpose of inspecting and supervising the works to be carried out or about to be carried out under these regulations: Provided that any damage caused to the owner by reason of such inspection shall be made good by the Building Authority at the public expense should the work of which inspection is made be found Bound and good.
54. In any case in which the Building Authority may consider the provisions of any of these regula- tions inapplicable or inexpedient, he may grant such modifications or exemptions as he may consider
necessary.
Schedule J. [ss. 51 and 171.]
Signboard Regulations.
1. No signboard shall be hung or fixed or main- tained over any roadway unless a clear space of not less than twelve feet be left between the signboard
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