Table 4 A comparison of the reasons determined using the present method and those given in the investigation reports41.
Reasons in the investigation report | Reasons determined using the present method |
|---|---|
The operator violated the operating procedures. | Operation against the procedures (A1) |
There were the removal of tower standard section connecting bolts, tower cap and jacking sleeve not connected at the safety pin. | The failure of the security protection function (B3) |
The enterprise gave full authority to unqualified persons to carry out the crane equipment installation and dismantling work. | Poor qualification inspection of personnel and equipment (D1) |
There were the security management at the site. | Insufficient safety management (D2) |
The enterprise did not arrange a full-time safety manager for on-site supervision and inspection. | No special personnel for safety management (D3) |
The company failed to provide safety education and training to relevant operators. | Inadequate safety training and education (D7) |