For the purposes of Part B of the Building Regulations an LD3 system is considered to be adequate. The system itself should therefore be installed in accordance with the guidance for LD3 systems in BS 5839-6:2004.
For the purposes of Part B of the Building Regulations an LD3 system is considered to be adequate. The system itself should therefore be installed in accordance with the guidance for LD3 systems in BS 5839-6:2004.