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The Building Regulations and guidance given in Approved Document A were revised by a working group comprising members of the Building Regulations Advisory Committee (BRAC), Departmental officials, expert consultants and other officials.
BRE was commissioned under the Framework Agreement to support the working group and its secretariat by contributing, on request, to specific technical issues. The first technical issue for which BRE was tasked was a calibration of Allott and Lomax’s1 proposed revised guidance on meeting compliance with the requirements of Building Regulation A3.