1985 Ed.]
Building (Construction) Regulations
[CAP. 123
B11
[Subsidiary]
(f) such bricks or building blocks may be used in load bearing
walls only----
(i) in single storey buildings;
(ii) in 2-storey domestic buildings; or
(iii) for enclosing the top storey of a building.
TABLE 1
Bricks and building blocks
Description of brick or building block
1
3
Resistance to crushing in MPa of gross horizontal area
Purpose
Whether solid or hollow
External or internal
solid
10
(load bearing)
External or internal
hollow
5
(load bearing)
External (panel)
solid or hollow
3.5
(non-load bearing)
Internal (partition)
solid or hollow
1.5
(non-load bearing)
L.N. 294/76.
10. Cement shall be--
(a) ordinary Portland cement in conformity with the appropriate
provisions of B.S. 12:Part 2:1971; or
(b) rapid hardening Portland cement in conformity with the
appropriate provisions of B.S. 12:Part 2:1971; or
(c) Portland blast-furnace cement in conformity with the
appropriate provisions of B.S. 146: Part 2:1973; or
(d) any other cement approved by the Building Authority.
11. Stone lime shall consist of-
(a) quicklime formed by burning a natural rock or other suitable material at such a temperature that it will slake when brought into contact with water; or
(b) dry hydrated lime in the form of a fine dry powder produced by treating quicklime so as to produce a dry, sound product:
Provided that the calcium and magnesium compounds present in the lime as oxides shall be not less than 70 per cent by weight.
Cement. L.N. 294/76.
Lime.