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width, nor shall such area be roofed in or covered over with glass or other material. No bridge or flight of steps shall be placed over any window opening into such area. Every area shall be provided with a suitable parapet wall, or safe iron railing or fence, along its upper edge.
of open spaces and
buildings.
82.-(1) Every domestic building hereafter erected or Provision re-erected shall be provided by the owner with an open space in the rear, or partly in the rear and partly at the side, access lanes exclusively belonging to such building, equal in area to not for domestic less than one half of the roofed-over area of such building; [cƒ. s. 160]. and the level of such open space shall not be less than 6 inches below the floor of the lowermost storey. Provided that in the case of a domestic building hereafter erected or re-erected on a site leased from the Crown prior to the 21st February 1903 and having a depth of forty feet or under the open space may be equal in area to not less than one third of the roofed-over area of such building.
In addition to such open space the owner shall provide a lane to the satisfaction of the Building Authority, giving access to some public or private street and shall submit a plan of such proposed lane to the Building Authority for approval. Such plan shall be prepared with a view to promoting uniformity in the laying out of such lanes.
Every lane shall be formed to such levels as the Building Authority may direct.
(2) A lane shall not be required in the case of any detach- ed or semi-detached domestic building which has a side lane or yard extending the entire depth of the building and of a width of not less than five feet and also has a clear and unobstructed area in the rear of the building of a depth of not less than eight feet and extending for the full width of the site, but no such building shall be deemed to be semi-detached unless it is one of a pair of buildings each of which has a side lane or yard as above described.
(3) Kitchens, bathrooms and latrines not exceeding ten feet in height above the highest point of the surface of the open space may be erected in the aforesaid open space, but such buildings shall not cover more than one fourth of such open space.
(4) In the event of the open space being provided partly in the rear and partly at the side, the proportion of such open space shall not in either case be less than one half of the whole area required under this section.
(5) The open space in the rear or at the side shall not be inclosed except by boundary walls or fence of a height not exceeding eight feet, containing a doorway communicating with the lane in the rear or the side lane provided under sub-section (2) of this section.
(6) In no case shall any obstruction whatever be placed or erected in any lane or open space provided under this section except as hereinbefore permitted.
(7) In no case shall the Building Authority require the space for a lane, expressly provided for one building, to be of a greater width than five feet and when such a lane is on land leased from the Crown prior to the 21st February, 1903, and the building for which the lane is provided has no
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