1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 8

B 8

CAP. 123]

Building (Construction) Regulations

[1985 Ed.

[Subsidiary]

“dividing wall" means a wall which is required to be taken into account in pursuance of regulation 51 in deeming another wall to be divided into distinct lengths;

“external wall" means an outer wall of a building not being a party wall, even though adjoining a wall of another building;

"flue" means a duct through which smoke or other products of combustion or fumes from any cooking apparatus or stove or oven, or vitiated air, pass or are intended to pass for the purpose of reaching the open air;

"imposed load" means load other than dead load and includes wind pressure;

"incombustible material” means a material which neither burns nor gives off inflammable vapours in sufficient quantity to ignite at a pilot flame when heated in the manner specified in the appropriate provisions of B.S. 476:1932 and "combustible material" shall be construed accordingly;

"lateral support" in relation to a wall or pier means support which resists movement in the direction of the thickness of the wall or in the direction of the thickness or width of a pier;

"load bearing" in relation to any part of a building (including the foundation) means any such part bearing a load other than that due to its own weight and to wind pressure on its own surface:

"load factor" means the ratio of ultimate load of a member to its working load:

"partition wall" means any internal wall not being a dividing wall, external wall or party wall;

"party wall" means a wall forming part of a building and used or constructed to be used for the separation of adjoining buildings belonging to different owners or occupied or constructed or adapted to be occupied by different persons:

“plain concrete" means concrete complying with the provisions of regulation 19 in which no reinforcement is included for structural purposes but in which reinforcement may be provided for the purpose of restraining shrinkage or other movement;

"prestressed concrete" means concrete in which predetermined stresses are induced to counteract the stresses due to dead and imposed loads for the purpose of eliminating or decreasing the tensile stresses in concrete due to bending and shear;

"public building" means a building used or intended to be used either ordinarily or occasionally as---

(a) a place of public worship or for instruction other than a place so used and being part of a domestic building;

(b) a hospital;