Case 1:An accident involving 'truss-out' scaffold

Two workers were responsible for the external wall maintenance work of the 1/F of a building. At the time of accident, they were working on the 'truss-out' scaffold......

 
Case 2:An accident involving electric arc welding

A worker was using a 'make-shift' transformer at the roof-top of a school for the electric arc welding work. framework supporting the air-conditioning system......

 
Case 3:An accident involving the use of ladder

A worker was using a step-ladder for the wall maintenance work along a slope in a car park. When he lean over to reach the work......

 
Case 4:An accident involving the use of abrasive wheel

A worker was using a portable abrasive cutter to cut the metal frame into smaller parts. Before the cutting commenced, he noticed the abrasive cutting disc of 80mm in diameter was too small to cut the metal frame. Thus, he replaced it with a larger one of 200mm in diameter. when he started the cutting operation with that abrasive disc......