/ CLAUSE A4.1 – UNITED BUILDINGS
A4.1 When buildings are united Two or more buildings adjoining each other form one united building if they—
(a) are connected through openings in the walls dividing them; and
(b) together comply with all the requirements of the BCA as though they are a single building.
The intent of the BCA is to allow two or more buildings that abut each other to be connected (united buildings) by openings in the adjoining walls which allows an occupancy or use to extend through more than one building. The united buildings must then comply with all the requirements of the BCA under a building approval as if they were a single building and the building is then called a united building. This clause only applies to buildings that adjoin each other that can be united buildings. Buildings that are not adjoining cannot be united by means of bridges, covered walk ways, tunnels, and the like.
Clause A4.2 states that, if alterations are carried out that the result in the sealing of openings in the dividing walls, such that the buildings are no longer connected, then each separate building must be brought into compliance with the BCA as a single building.