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THE HONGKONG GOVERNMENT GAZETTE, 24TH NOVEMBER, 1888.
GOVERNMENT NOTIFICATION.-No. 517.
The following Bye-Laws are published under Section 15 of Ordinance 24 of 1887.
By Command,
Colonial Secretary's Office, Hongkong, 24th November, 1888.
FREDERICK STEWART, Colonial Secretary,
Bye-Laws made by the Sanitary Board of Hongkong under Sub-section 1 of Section 13 of Ordinance No. 24 of 1887 for the proper construction of drains in new premises, for the construction of new drains in old premises, and for the reconstruction or improve- ment under the provisions of Section 50 of old or existing house drains found to be in a defective and insanitary condition.
I.
DRAINS IN NEW PREMISES.
1. Any owner or occupier of private premises about to construct any new drain, shall give at least seven days' previous written Notice of such intention to the Board, and such Notice shall be delivered at the Office of the Board in a form of which printed blank copies may be obtained gratis in English and Chinese on application at the Office of the Board, or in the case of the villages-at any Village Police Station, between the hours of 10 A.M. and 4 P.M.
2. Every such Notice shall specify the name of the Street, the number of the Lot and the number of the house, if any, which it is intended to drain and shall be accompanied by a plan in duplicate of the premises drawn on a scale of not less than twenty feet to the inch, and such plan must show the whole of the new drains with their proposed sizes figured thereon, and a.section or sections showing the proposed falls or inclination and drawn to the same scale and to a vertical scale of not less than ten feet to the inch. The plan must also show the position and course of all proposed surface gutters.
3. Within seven days after receipt of the Notice, the Sanitary Surveyor shall, by means of a written communication, in English or Chinese as may be necessary, inform the person who has given the said Notice whether his designs and proposed mode of construction are approved or disapproved, and in case of disapproval such modifications or improvements as may be requisite in order to comply with the provisions of Ordinance No. 24 of 1887 and of any Bye-Laws made thereunder shall be indicated in detail to such person by the Sanitary Surveyor, and it shall not be lawful for such person to commence the new drains until the approval thereto of the Sanitary Surveyor shall have been previously obtained by him, and in the case of such approval one copy of the deposited plan shall be returned to him, and the remaining copy shall remain filed in the Office of the Sanitary Surveyor.
4. No person shall lay any pipe for conveying subsoil drainage in such manner or in such position as to communicate directly or indirectly with any sewer cesspool or drain used for the conveyance or reception of sewage only.
5. No person shall lay any pipe for conveying rain water into any drain or cesspool used for the conveyance or reception of sewage only.
6. Where any new drain for the conveyance of sewage is intended to be laid through a wet or damp soil or in any other case where the Board shall find such a precaution necessary the builder of such new drain shall cause the same to be embedded and encased all round in good and solid lime concrete at least 4 inches thick to the satisfaction of the Board.
7. No bend or angle shall (except where proved unavoidable) be formed in any ventilation pipe or shaft connected with a new drain.
8. No person about to drain his premises in the manner hereinbefore provided shall construct any new drain in such premises in such manner as shall allow any inlet to such drain to be placed inside any building on such premises.
9. No person shall construct or fix in connexion with any new drain or waste pipe the form of trap of the kind known as the Bell-Trap or any trap of the kind known as the D trap and all traps connected with any private drains shall be properly set in cement mortar to the satisfaction of the Board
10. No rain water-pipe from the roof of a building shall be used as à ventilating shaft to a new drain which communicates or is designed to communicate with a public sewer,