32
Loads on walls.
Corbelling and over- hanging
work,
Thickness of wells where difference
in ground levala.
Thickness of external walls of certain small buildings.
BUILDING (CONSTRUCTION) REGULATIONS, 1956
(4) For the purpose of this regulation, the expression ''recess' shall include any chase or other reduction in the required thickness of a wall.
48. (1) A wall shall not be subject to funds other than distributed londs:
Provided that any wall may be subject to any concentrated load which is transmitted to that wall by a beam, column, pier or other structural member, having such bearing on the wall and such additional support as shall be necessary to comply with the requirements of regulation 5
(a) For the purposes of this regulation, joists set at distances apart not exceeding 42 inches shall be deemed to compose a distributed load.
50. (1) Subject to the provisions of regulation 48, where any part of any wall overhangs any part beneath it, it shall-
(a) be in addition to the required thickness of that wall; and (b) be corbelled out or otherwise supported to comply with
regulation 5.
(2) The projection of any corbelling shall not excued ≥ of the thickness of the wall immediately below that corbelling.
51. () Where the level of the ground or of the surface of the site concrete is different on one side of a wall to that on the other, the width of such wall in a building built of bricks or building blocks shall be not less than † of such difference of level.
(2) If such difference in level exceeds 6 feet, the wall shall be designed and built as a retaining wall and in accordance with regulation 44 of Building (Planning) Regulations.
52. (1) Subject to the provisions of sub-regulation (2)- (a) a one-storey building, other than a domestic building,
whose width measured in the direction of the span of the roof does not exceed 30 feet and the height of whose walls does not exceed 10 feet; or
(b) a garage, greenhouse, store, water closet or other room (attached to a domestic building) not intended to be used for habitation and not exceeding to feet in height, may have external walls not less than 4 inches thick.
BUILDING (CONSTRUCTION) REGULATIONS, 1956
(z) (4) Where any such wall exceeds 8 feet either in height or length it shall be bonded into piers, one of which shall be placed at each end of the wall, not less than 84 inches square in horizontal section, or of such greater size as may be required to give adequate stability. (b) Where any such wall exceeds in feet in length additional such piers shall be placed in the wall so as to divide the same into lengths not exceeding 10 feet.
(c) All bedding and jointing in such walls and piers shall
be in cement mortar.
(d) Such walls shall bear no load other than the distributed load of the roof, which shall be so constructed that the walls are not subject to any lateral thrust therefrom.
68. (1) A load-bearing external or party wall not exceeding Cavity 24 feet in height and 30 feet in length in a building other than walls. a public building or a building of the warehouse class, and, subject to the provisions of regulation 1 a panel wall in any building, may be constructed as a cavity wall.
(2). No storey in a building of cavity wall construction shall exceed a height of 12 feet.
(3) Cavity walls shall be constructed of solid bricks or build- ing blocks properly bedded and jointed in cement mortar, and shall comprise two leaves, each not less than 4 inches thick and an intervening cavity not less than 2 inches and not more than 3 inches wide.
(4) The two leaves shall be united-
(a) by iron ties so shaped as not to transmit moisture across the cavity and not less than 4 inch inch in cross- section, well galvanized or otherwise protected from corrosion; OT
(b) by ties of such other materials and cross-section as to comply with the relevant current British Standard Specification,
(5) Such ties shall be built into the horizontal bed joints during erection and placed at distances apart not exceeding 3 feet horizontally and 18 inches vertically.
33
No comments yet.
Private notes are available after approval.