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intention to construct, etc., drain.
Particulars of notice and of plan accompanying it.
Notification by Sanitary Surveyor to owner or occupier of approval or disapproval of design submitted, and effect of approval.
No. 10 of 1901.
Protection of public in case of excavations for drainage works.
No. 10.] THE ORDINANCES OF HONGKONG: [A.D. 1901
delivered at the Office of the Board, in a form of which printed blank copy may be obtained gratis, in English and Chinese, on application at the office of the Board, or, in the case of a Village, at any Village Police Station between the hours of 10 a.m. and 4 p.m.
2.-(1.) 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 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.
(2.) Provided that, in the case of a suburban lot which cannot conveniently be included within a plan of ordinary dimensions, the lot and the out-fall drain may be shown on a scale of not less than one hundred feet to the inch.
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3.-(1.) 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 the Public Health Ordinance, 1901, and of any by-laws made thereunder shall be indicated in detail to such person by the Sanitary Surveyor.
(2.) It shall not be lawful for such person to commence the drainage works until the approval thereto of the Sanitary Surveyor has been 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.
NOTE.-The approval of plans conveyed by the Sanitary Surveyor under this By-Law certifies simply to the fact that the plans are in accordance with the Public Health Ordinance, 1901, and with the by-laws made thereunder, but signifies no approval of the sufficiency or otherwise of the plans and throws no responsibility on the Board.
4. Any person carrying out excavations for drainage works on any premises contiguous to a public thoroughfare, whereby the safety of the public may be jeopardized, shall light such excavations by means of a lantern or lanterns kept lighted through the night, and he shall further provide watchmen, erect hoardings, and otherwise take such precautions as may be necessary for securing the safety of the public and the protection of adjoining properties.
5. House-drains shall be made of impervious materials with smooth internal surfaces, such as well-glazed earthenware pipes or cast-iron pipes protected against rust or corrosion by suitable asphaltic coating and shall be so constructed as to be water and air-tight. In jointing pipes, cement, tarred hemp shall be caulked into the joint before the cement.
Material and mode of construction of house-drain.
The drains