Buildings.
the walls or roof or through any vent other than such chimney or smoke-flue. The interior surfaces of every brick or masonry chimney or smoke-flue shall be smoothly rendered with mortar, or lined with earthenware pipes and no such chimney or smoke-flue shall have less than 28 square inches of internal sectional area, equivalent to a diameter of 6 inches in the case of circular pipes, unless with the approval of the Building Authority. Except when required for heating purposes, smoke-flues shall be encased with brickwork properly bonded into the wall in connexion with which they are constructed, and, when added to existing buildings, such brickwork shall be built in cement-mortar : Provided that in the case of chimneys or smoke-flues requiring to be extended to a greater height than 5 feet above the roof, any extension in excess of that height may, at the discretion of the Building Authority, consist of iron pipes.
[66]
[CAP. 123
adapted for use of charcoal or have hoods.
57. Whenever any fireplace is adapted for the use of charcoal or wood as fuel, such fireplace shall be provided with a hood of sheet-metal or other approved material of sufficient size connecting with a chimney or smoke-flue carried up above the level of the main roof.
[67]
oven, stove, or fireplace to be incom-
58. The upper surface of any floor under any oven, stove or fireplace shall be of incombustible materials, extending over the whole area covered by such oven, stove or fireplace and beyond to a distance of 9 inches at least on every side of such oven, stove or fireplace, and such floor shall have hearths of stone, tile or other incombustible material laid before every chimney-opening.
[68]
not to be wood-work.
59. No chimney or smoke-flue shall be constructed or fixed nearer than 9 inches to any wood-work or combustible material unless encased in non-conducting and incombustible material to the satisfaction of the Building Authority.
[69]
60. Every brick or masonry chimney or smoke-flue shall be continued up above the roof in brick or cut stone-work, of a thickness all round of not less than 4 inches, to a height of not less than 3 feet above the highest point in the line
Thickness of chimney and height above roof.
485
Buildings.
the walls or roof or through any vent other than such chimney or smoke-flue. The interior surfaces of every brick or masonry chimney or smoke-flue shall be smoothly ren- dered with mortar, or lined with earthenware pipes and no such chimney or smoke-flue shall have less than 28 square inches of internal sectional area, equivalent to a diameter of 6 inches in the case of circular pipes, unless with the approval of the Building Authority. Except when required for heating purposes, smoke-flues shall be encased with brickwork properly bonded into the wall in connexion with which they are constructed, and, when added to existing buildings, such brickwork shall be built in cement-mortar : Provided that in the case of chimneys or smoke-flues re- quiring to be extended to a greater height than 5 feet above the roof, any extension in excess of that height may, at the discretion of the Building Authority, consist of iron pipes.
[66]
[CAP. 123
adapted for use of charcoal or
have hoods.
57. Whenever any fireplace is adapted for the use of Fireplaces charcoal or wood as fuel, such fireplace shall be provided with a hood of sheet-metal or other approved material of wood to sufficient size connecting with a chimney or smoke-flue carried up above the level of the main roof.
[67]
oven, stove, or fireplace to be incom-
58. The upper surface of any floor under any oven, Floors under stove or fireplace shall be of incombustible materials, ex- tending over the whole area covered by such oven, stove bustible. or fireplace and beyond to a distance of 9 inches at least on every side of such oven, stove or fireplace, and such floor shall have hearths of stone, tile or other incombustible material laid before every chimney-opening.
[68]
not to be
wood-work.
59. No chimney or smoke-flue shall be constructed or Chimneys fixed nearer than 9 inches to any wood-work or combustible fixed near material unless encased in non-conducting and incombustible material to the satisfaction of the Building Authority.
[69]
60. Every brick or masonry chimney or smoke-flue shall be continued up above the roof in brick or cut stone-work, of a thickness all round of not less than 4 inches, to a height of not less than 3 feet above the highest point in the line
Thickness of chimney
and height
above roof.
485
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