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THE HONGKONG GOVERNMENT GAZETTE, 4TM MAY, 1889.
Chimneys and Fire-places.
38. No fire place, kitchen, or cook-house, shall be con- structed in such manner as to allow the smoke to escape through any side opening, window, or hole in the walls or roof, or through any vent other than the smoke flue.
39. The upper surface of any floor under any oven, stove, or fire place shall be of incombustible materials, and ' such floor shall have hearths of stone, tile or other incom- bustible material laid before every chimney-opening.
40. No pipe or flue for the conveyance of smoke shall be fixed nearer than nine inches to any wood-work or combustible material nuless encased in non-conducting and incombustible material to the satisfaction of the Surveyor General.
41. Every chinney-shaft shall be continued up above the roof in brick or ent stone-work of a thickness all round of not less than four inches, to a height of not less than. three feet above the highest point in the line of junction with such roof.
42. Chimneys of brick, stone, or other incombustible materials, may be corbelled out in the upper stories of buil- dings, provided that the work so corbelled out does not project from the wall more than the thickness of such wall, but all chimneys built on the ground floors of buildings shall rest upon solid foundations and upon footings similar in every respect to the foundations of the wall against which such chimneys are built.
43. The back of every chimney-opening from the hearth up to the height of four feet above the level of the fire- grate, shall be at least nine inches thick if in a party wall, or at least four and a half inches 'thick if not in a party wall.
44. The fire-places, kilns, furnaces, chimneys, flues and shafts, of any bakery, vormilion factory, opium boiling house, or manufactory, shall be deemed to be exceptional structures, and shall be subject to the approval of the Surveyor Gene- ral in each particular case.
Windows.
45. Every person who shall erect a new domestic build- ing, shall construct in the wall of cach story of such building which shall immediately front or abut on any open space a sufficient number of suitable windows, in such a manner and in such a position, that each of such windows shall afford effectual means of ventilation by direct communica- tion with the external air; the suitability for their object and the sufficiency in number of such windows being in the discretion of the Surveyor General.
Ventilation under Floors.
46. Every person who shall erect a new domestic build- ing shall construct every room in the lowest floor if provided with a boarded floor, in such manner that there shall be, for the purpose of ventilation, between the underside of every joist on which such floor may be laid, and the upper surface of the asphalte or concrete with which, the ground surface or site of such building may be covered, a clear space of three inches at the least in every part, and he shall cause such space to be ventilated by means of vents, gratings, or air-bricks.
Kitchen or cook-house to have smoke fiue,
Floor under oven, &c.
Pipe for conveyancs of smoke.
Chimney shaft.
Chimneys,
Back of clúmney- opening.
Certain fire- places deemed exceptional structures..
Sufficient windows to provided.
Ventilation under floors.
Privies.
47. Every person who shall erect a privy in any do- mestic building shall cause the same to be constructed of brick at least three feet wide by four feet deep internal di- mensions, and such privy shall wherever possible be so constructed as to open into the outer air and not into the building.
48. Every privy shall have a suitable door and window as also a ventilating opening into the external air not less than eighteen square inches in area immediately under the ceiling, and the window of such privy shall be of not less dimensions than two feet by one foot, exclusive of the frame, and it shall open directly into the external air. The walls shall also be rendered in cement-mortar or other non-absor- bent material to the height of at least 3 feet from the floor level.
Privy,
Ventilation of privy.
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