1950_BUILDINGS_ORDINANCE — Page 9

Buildings.

[CAP. 123

walls, in accordance with the following rules, and in every. case the thickness prescribed shall be the minimum thickness of which such wall may be constructed. Where the height of the wall-

(i) does not exceed 12 feet, it shall be 9 inches thick for its whole height;

(ii) exceeds 12 feet but does not exceed 25 feet, it shall be 13 inches thick for its whole height;

(iii) exceeds 25 feet but does not exceed 40 feet, the wall in the lowermost storey, and in any space underneath such storey, shall be 18 inches thick, and in the other storey or storeys 13 inches thick;

(iv) exceeds 40 feet but does not exceed 55 feet, the wall in the lowermost storey, and in any space underneath such storey, shall be 22 inches thick, the wall in the next storey 18 inches thick, and in the other storey or storeys 13 inches thick;

(v) exceeds 55 feet but does not exceed 70 feet, the wall in the lowermost storey, and in any space underneath such storey, shall be 27 inches thick, the wall in the next storey 22 inches thick, the wall in the next storey 18 inches thick, and in the other storey or storeys 133 inches thick;

(vi) exceeds 70 feet but does not exceed 80 feet, the wall in the lowermost storey, and in any space underneath such storey, shall be 31 inches thick, the wall in the next storey 27 inches thick, the wall in the next storey 22 inches thick, the wall in the next storey 18 inches thick, and in the other storey or storeys 134 inches thick :

Provided that-

(i) in cases where the number of storeys is less than that indicated in the foregoing rules or where the walls are constructed in good cement mortar, the respective thicknesses of the walls shall be deter- mined by the Building Authority;

(ii) in the case of two-storied buildings and of the uppermost two storeys of buildings containing a greater number of storeys, the walls may be 133 inches thick throughout the height of such two storeys, provided such height does not exceed 25 feet;

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