the-ordinances-of-the-legislative-counci-1890v2 — Page 534

HK Historical Laws 香港歷史法例 All

1124 [ 15 OF 1889. ] BUILDINGS .

Height of
walls. (2.) The height of all walls shall be measured from the top of
[ Ibid .] the footings to the highest part of the wall, or in the case of a gable
to half the height of the gable.
Cro38 walls.
[ Ibid. ]
13. (1. ) A wall shall not be deemed a cross wall for the purpose
of determining the length of any external or party wall unless it is
carried up to the top of the topmost story, and unless in each story
the aggregate extent of the vertical faces or elevations of all the
recesses and that of all the openings therein taken together shall not
exceed one half of the whole extent of the vertical face or elevation
of the wall in such story.
Stories.
[ Ibid .]
( 2.) If any story exceeds in height fourteen times the thickness
of its walls as prescribed in section 11the thickness of each external
wall and of each party wall throughout that story shall be increased
to one fourteenth part of the height of that story and the thickness
of each external wall and of each party wall below that story shall
be proportionately increased'. Such increase of thickness may be
provided for by piers ; the disposition, width and thickness ofsuch
piers shall be approved by the Surveyor General.
Thickness of
walls. ( 3.) The thickness of every cross wall shall be at least two thirds
[ Ibid . ) of the thicknessprescribed by sections 11 and 12 in that behalf for
an external wall or party wall of the same height and length and
belonging to the same class as that to which such cross wal belongs
but shall in no case be less than 9 inches thick. But if such cross
wall supports a superincumbent external wall the whole of such
cross wall shall be of the thickness prescribed by the bye-law in that
behalf for an external wall or party wall of the same height and
length and belonging to the same class of building as that to which
such cross wall belongs.
Damp proof 14. Every person who shall erect a new domestic building or
Course .
[ Ibid. ] any other class of building having a timber floor shall cause every
wall of such building to have a proper damp course of sheet lead,
asphalte, or Portland cement (such asphalte or Portland cement to
be not less than half an inch in thickness), or other impermeable
material approved by the Surveyor General, beneath the lowest
timbers and as near the ground as is possible but in no case at an
height of less than 6 inches above the surface of the ground adjoin
ing such wall.
Foundations.
15. The foundations of every wall of a building shall be of
footings of sound stone, brick , or other equally hard substance
carried down to the depth of not less than twice the thickness
of the wall at the lowest story of the said building ; and the
lowest course of every such foundation shall be of not less than
twice the thickness of the wall at the said lowest story , and the
thickness of such foundation shall diminish gradually towards
the upper surface thereof in regular steps or offsets, provided

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