Table 2 The crane operation causative factors indicator system.
The classification of unsafe factors | Unsafe factors |
|---|---|
Human factor (A) | Operation against the procedures (A1) |
Stay in a dangerous area (A2) | |
Incorrect wearing of personal protective equipment (A3) | |
Improper emergency response (A4) | |
Poor safety awareness (A5) | |
Equipment factor (B) | The unperfect quality of steel wire ropes and other tools (B1) |
The equipment that doesn’t meet the need (B2) | |
The failure of the security protection function (B3) | |
Equipment failure (B4) | |
Environment factors (C) | The bad weather (C1) |
Poor space environment (C2) | |
Missing safety warning signs (C3) | |
Cross parallel operations (C4) | |
Management factor (D) | Poor qualification inspection of personnel and equipment (D1) |
Insufficient safety management (D2) | |
No special personnel for safety management (D3) | |
The insufficient safety responsibility (D4) | |
The poor onsite supervision (D5) | |
Lack of document such as operating procedures (D6) | |
Inadequate safety training and education (D7) |
