ABSTRACT
Joints in tapes – – – – nr 10.83 Bonding connections to roof and structural metalwork – – – – nr 63.67 Testing points – – – – nr 52.32 Earth electrodes
16mm diameter driven copper electrodes in 1220mm long sectional lengths; 2440mm long overall – – – – nr 165.52 first 2440mm length driven and tested 25mm×3mm copper strip electrode in 457mm deep prepared trench – – – – m 12.73
