Hanson’s Chipping Sodbury Quarry (near Bristol) utilises a drill rig with a fully enclosed cab. When drilling post holes for face barriers, the driller (if he has to leave the security of his cab) is potentially exposed to the unguarded face edge.
The drilling operator suggested welding a horizontal pole on to the front of the drill rig frame to act as a physical barrier. This protective system is a considered as a suitable alternative to the wearing of a full fallarrest harness, but only whilst moving between cab and hole top. |