SUPPLEMENT TO THE HONGKONG GOVT GAZETTE OF 23RD JULY, 1887. 873
Postponed for further
consideration.
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50. No ventilating-pipe of any drain shall be of a less internal diameter than four inches, and such ventilating pipe shall in every case be securely fixed and so carried up to such height, (provided such height be in no case less than ten feet above the ground), as shall effectually prevent any escape of foul air into any thoroughfare or adjoining building.
51. No overflow from any cistern or bath, or ablution, sullage, or refuse waters of any kind, nor the surface- drainage of any yard or back-yard shall be led from any building or premises, through any down-pipe or open gutter into, or over, any surface-channel of any public street, alley, thoroughfare, or other ground, nor shall such refuse 'waters be led into, or emptied over the surface of
any back- yard, alley, or other ground belonging to such building, or premises or other adjoining building or premises, but shall be conveyed in a watertight waste-pipe or down-pipe taken through an external wall, and discharged in the open air over a gully-trap covered with a grating or granite slop- stone cover, and no such waste-pipe or down-pipe, [shall be brought down any external wall or retaining wall when such wall looks upon any public thoroughfare.]
52. Every kitchen of a dwelling or tenement-house, shall be provided on every floor with a suitably dished and perforated slop-stone, and with a down-pipe, securely fixed, trapped, disconnected, and ventilated to the satisfaction of the Board.
53. All works connected with the construction, discon- nexion, trapping and ventilating of house-drains, shall be carried out at the cost and charges of the owner of the house, either by the Board or by persons approved of by the Board. under the supervision of the latter.
54. The Board may, by a written Notice, require the owners of existing buildings, the drains of which are in the opinion of the Board in a defective and insanitary condition, to construet within a reasonable time to be determined by the Board, new house-drains in accordance with the provisions of this Ordinance, or to make such other improvements in the existing defective drainage of such building, as in the opinion of the Board may be necessary to meet the requirements of this Ordinance.
55. If it appears to the Board that a group of con- tiguous tenements may be drained_more advantageously in combination than separately, the Board may order that such group be drained upon some combined plan to be approved by it, and the expenses shall be apportioned by the Board between the different owners of such group of contiguous tenements.
56. If any building be without a sufficient drain, and if a public sewer of sufficient size be within one hundred feet of the premises or outermost boundaries of the lot on which such building is situated, and if such public sewer be on a lower level, it shall be lawful for the Board to require the owner of such building to connect with such public sewer by means of a proper drain adequately trapped and ventilated, to the satisfaction of the Board: Provided always that, if any owner has, by order of the Board, connected his building with a public sewer, he shall not be required to connect such building, at his own expense, with any other public sewer.
57. Whenever the Board shall have reason to believe that the drains of any building are defective and in a condition injurious to Health it shall be lawful for the Board to order an Inspecting Officer to enter the premises and to inspect such drains, and if requisite for the purposes of such inspection, such Officer shall cause the ground to be opened in any place or places he may deem fit, doing as little damage as may be, and should such drains be found in a satisfactory condition, they shall be reinstated and made good by the Board at the public expense, but should such drains prove in the opinion of the Board defective, it shall cause them to be properly reconstructed in accordance with the provisions of this Ordinance.
58. Every owner of a new building in the villages and rural districts of Hongkong and Kowloon shall construct the ground floor of such building at such sufficiently high level as will allow of the construction of a drain, and of the provision of the requisite communication with any. public sewer into which such drain may lawfully empty or with any other means of drainage with which such drain may lawfully communicate.
Ventilating- Pipes.
Overflows and waste waters.
Slop-stones and
down pipes.
All works to be carried out by Board or by persons approved by
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New house- drains.
Groups of drains.
Owners Lo connect drains with main- sewers.
Suspected drains to bo opened by Board.
House drains in Villages and Rural. Districts.