Corbelling and founda
tions of chimneys regulated.
Thickness
of back of chimney- opening.
Fire
escapes for storeys exceeding 33 feet above street level,
Windows in Storeys required.
Limitation
of depth of buildings.
- 18
-
-
66. Chinmoys of brick, stone, or other incombustible material, may be corbelled out in the upper storeye of buildings, provided that the work so corbelled out does not project from the wall more than the thickness of such wall, but all chimneys built in the ground storeys of buildings shall, unless with the consent of the Building Authority, rest upon solid foundations and upon footings similar in every respect to the foundations of the walls against which such chimneys are built.
67. 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.
Fire escapes.
68. Every existing building and every building hereafter erected which has a storey the floor of which is more than thirty-three feet above the level of the street or ground surface adjoining the front of such building shall be provided on every storey with such means of escape in the case of fire. for the persons using, dwelling or employed therein as the Building Authority may require.
Any means of escape so provided shall be kept and maintained by the owner of the building in good condition and repair and efficient working order and no person shall obstruct or render less commodious or suffer to be rendered less commodious any such means of escape.
Windows, Storeys and rooms,
69. Every storey of every domestic building here- after erected shall be provided with one window at least opening either directly or across a verandah or balcony into the external air and the total area, clear of any obstruction to the light, of such window or windows shall be at least one tenth of the floor area of every such storey.
Every storey of every such domestic building shall also be provided with a window of at least ter square feet, clear of any obstruction to the light, in the rear main wall of such building (exclusive of any kitchen or outbuilding attached to the building) opening either directly ΟΙ Across a verandah or balcony into the open space in the rear of such building and the area of such window shall not be included in calculating the window area required by this section.
Every window provided under this section shall be so constructed that at least one half can be opened and the opening shall extend as far as is practicable above the floor level.
70.-(1) No domestic building shall hereafter be erected of a greater depth than thirty-five feet unless every storey of such building is provided with windows opening into the external air having a total area, clear of any obstruction to the light (including the window in the rear) equal to not less than one-eighth of the floor area of such storey and so arranged that, in the opinion of the Building Authority, the whole of the storey will be adequately lighted and ventilated.
(2) Provided always that the provisions of this sec- tion shall not apply in any case in which the Crown lease has specially provided for the erection of buildings of a greater depth than thirty-five feet; and provided further that the Governor in Council may in any other case in his discretion grant exemption from modification of the provisions of this section.
or
i
19
71. The depth of a building shall be measured on Measure- the ground level from a central point in the outer ment of surface of the front main wall to the outer surface depth of a of the nearest main wall of the same building opposite building.
to such front main wall.
72. In any case where it may be found necessary Determina. the Director of Public Works shall determine which tion of is the front and which is the rear of a building. front and
rear.
73. No room shall be constructed in any storey of Every room any existing domestic building, or of any domestic to be building hereafter erected, unless such room is pro- with sky-
provided vided with a sky-light, or with a window or windows light or opening either directly or across a verandah or balcony window. into the external air and having an area, clear of any obstruction to the light, equal to at least one tenth the floor area of such room and being so con- structed that at least one half can be opened. In the case of a window or windows the opening shall extend as far as is practicable above the floor level.
Provided that, in the case of existing or re-rected domestic buildings, the Governor in Council shall have power to modify the requirements of this section in respect to the external air upon such conditions, if any, as may be deemed expedient,
74. No window of any tenement house shall be Obstruction obstructed by the erection of any structure whatso- of windows in tenement houses.
ever.
Water closets and latrines.
ions of
75. Every latrine shall be constructed of brick. Construction stone, or other material approved by the Building and dimens Authority, and shall have a cleur internal area of not latrines. less than seven square feet, and such latrine shall open into the outer air and not into the building.
76. Every latrine shall have a suitable door and Ventilation an opening or openings for ventilation into the and internal rendering of external air of not less than two square feet in latrines. aggregate immediately under the roof. The internal walls of every latrine shall be rendered in cement mortar or other non-absorbent material aproved by the Building Authority to the height of at least three feet and the thickness of such material shall not be
less than half an inch.
77. The floor of every latrine hereafter erected on Construction any ground floor shall be raised at least six inches of floor of
latrines. above the level of the suface outside.
78. No latrine shall be so constructed as to have Latrines any direct communication by means of any pipe, drain, not to be
or sewer, with drain.
or grating, with any underground drain
and any existing latrine having such communication shall have the same completely cut off by the owner when so required by the Building Authority.
:
connected
79. No water pipe or water tap shall be led to, or Direct fixed in or over, any water closet, latrine, or urinal, connexiou
of water without the intervention of a cistern or tank between
service with such water pipe or water tap and the water service latrines etc.. pipe.
prohibited.
80. Every domestic building and every floor of a Separate iomestic building hereafter erected which is separately dwellings let for dwelling purposes sill be provided with and
exceptional adequate latrine or water closet accommodation to the buildings satisfaction of the Building Authority and every to have "exceptional" building shall be provided by the owner adequate thereof with adequate latrine or water closet accom. modation on the premises for the separate use of each closets. sex to the satisfaction of the Building Authority.
latrines or water-
403