Ceilings prohibited.
Corbels to be of
stone or brick.
Covering of roof to be
of incom- bustible material.
Space between
timbers of contiguous buildings.
Structures on roofs prohibited.
Roofs to rest upon brick or stone-work.
Eaves- gutters, and rain- water
down-pipes to be provided.
Bond timbers or wood- plates not to be built into walls.
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Ceilings.
46. No ceiling shall hereafter be erected in any building except with the permission of the Building Authority as signified by the approval of the plan required under the provisions of this Ordinance.
Corbelling.
47. All corbelling for the support of floor or of roof timbers shall be done in stone cut to flat beds, or in red brick, at least nine inches in length, set in cement-mortar. The entire thickness of the walls throughout the height of such corbelling shall also be built in cement-mortar. No one corbelling course if of brick shall project beyond the course immediately beneath it more than two and a quarter inches.
Roofs.
48. The roof of every building and of any minor superstructure placed above such roof except the doors, and frames of dormers or sky-lights, shall be externally covered with tiles, glass, metal, or other incombustible substance. All hatchways leading out to the roofs of buildings shall be provided with hatches or covers which, if not composed entirely of metal, shall be properly sheathed externally in sheet-zine or other metal approved by the Building Authority.
49. No roof timbers of any one building shall approach nearer than nine inches towards the roof timbers of any other contiguous building, and the space intervening between the ends of such timbers shall be properly and substantially built up solid with whole bricks or with stone laid in mortar.
50. No platform, superstructure, staging, framework, wire, wire netting, bamboo, matting or structure whatsoever, shall be erected, maintained or fixed over or upon the roof of any building except with the permission of the Building Authority or unless used solely for the purpose of drying
clothes
51. The roofs of all buildings, including verandahs shall not, unless wholly constructed of incombustible materials, be built into the thickness of any wall, but shall either rest upon the top of the wall or upon corbelling or an offset, so arranged as to give a bearing of at least four and a half inches for the roof.
52. The roof of every building (including every verandah and balcony) and the floors of every verandah and balcony shall be so arranged and constructed, and so supplied with eaves-gutters and rain-water down-pipes properly connected with the side-channels as to prevent any water being discharged upon or over any public foot-path or roadway.
Wood-work.
53. No bond timber or wood-plate shall be built into the thickness of any wall.
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