1018 THE HONGKONG GOVERNMENT GAZETTE, 14TM NOVEMBER, 1891. -
Length of walls.
Height of walls,
Cross wall.
Stories.
Thickness of walls,
Damp power
COURƏT
Repent of s 1868 No. 15 02 1889.
Simetures,
Aneminent
nis. 20 of No. 15 of ISSO.
Repost
of s. 22 of No, 15 of 1890.
Floors to rest en solid brick- work or Mou- yok.
-B
Amendment of s. 2.
Repeal of ss.
37.38, 30, of 15 of 1889,
(e.) Where a wall exceeds 70 feet in height, but docs not exceed 80 feet in height the two lower- most stories shall be 22 inches thick and the remainder shall be 134 inches thick.
"12. (1) No wall shall exceed 35 feet in length clear of any return or cross wall without the approval of the Sur- veyor General nor shall any wall exceed 80 feet in height without the approval of the Surveyor General.
(2) The height of all walls shall be measured from the top of the footings to the highest part of the wall, or in the case of a gable to half the height of the gable.
“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 ver- tical 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.
(2) If any story exceeds in height fourteen times the thickness of its walls as prescribed in section 11 the thick- ness of each external wall and of cach party wall through- out 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 pro- portionately increased. Such increase of thickness may be provided for by piers; the disposition, width and thickness of such piers shall be approved by the Surveyor General.
(3) The thickness of every cross wall shall be at least two thirds of the thickness prescribed 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 wall belongs but shall in no case be less than 9 inches thick. But if such cross wall sup- ports 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.
"14. Every person who shall erect a new domestic build- ing or 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 ap- proved 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 adjoining such wall."
6. Section 18 of the principal Ordinance is hereby repealed and the following section shall be substituted therefor :-
"Structures made wholly or partly of glass or iron, or other material not provided for in this Ordinance or any amending Ordinance may be designed otherwise than herein provided and shall be deemed to be exceptional buildings, and shall be subject to the approval of the Surveyor General in each particular case."
7. In addition to the requirements of section 20 in relation to bressummers used in buildings every such bres- summer shall be of sufficient strength.
8. Section 22 of the principal Ordinance is hereby repealed and the following section substituted therefor:--
"22. The floors of all buildings including verandahs shall in all cases rest upon at least six inches of solid brick- work or stone-work and abut against, at least nine inches of solid brick-work or stone-work, and in all cases where the wall supporting such floor is of a less thickness than eighteen inches, such wall shall be corbelled out in brick or stone-work immediately below the joists of the floor."
9. Notwithstanding the provisions of section 29 of the principal, the Surveyor General may in his discretion grant permission for the erection of temporary platforms, super- structures, stagings, and frame-work of the materials therein mentioned.
10, Sections 37 to 39 inclusive of the principal Ordinance are hereby repealed and the following sections shall be sub- stituted in lieu thereof.
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