Table A1.
The list of 40 unsafe behaviors involved in all accident cases.
| Unsafe Behavior Node | Unsafe Behaviors |
|---|---|
| B 1 | Stay in unsafe areas |
| B 2 | Enter into dangerous areas |
| B 3 | Use overloaded machines |
| B 4 | Start/shut down/move machines and equipment without permissions |
| B 5 | Forget to turn off machines and equipment |
| B 6 | Operate machines and equipment against the procedures |
| B 7 | Operate errors (refers to the operations of buttons, valves, wrenches, handles, etc.) |
| B 8 | Engage in clean up when machines and equipment are still running |
| B 9 | Use machines and equipment without conforming safety before |
| B 10 | Use machines and equipment without effective safety devices |
| B 11 | Implement inadequate protection measures for holes or borders |
| B 12 | Does not use all personal protective equipment (PPE) |
| B 13 | Misuse PPE |
| B 14 | Engage in specialized operation without a permit |
| B 15 | Store objects improperly |
| B 16 | Install or dismantle scaffolding against procedures |
| B 17 | Install or dismantle formwork support system against procedures |
| B 18 | Install or dismantle machines and equipment against procedures |
| B 19 | Lay steel bars against procedures |
| B 20 | Do not fasten workpieces tightly |
| B 21 | Violate operation orders |
| B 22 | Concreting against procedures |
| B 23 | Reinforce support measures ineffectively |
| B 24 | Do not set up safety nets as required |
| B 25 | Build work platforms against specifications |
| B 26 | Adjust errors causing ineffective safety devices |
| B 27 | Issue improper commands |
| B 28 | Operate cranes with improper methods |
| B 29 | Use ladders incorrectly |
| B 30 | Lift within power lines at less than the safe distance, and fail to take protective measures |
| B 31 | Do not hang warning signs in dangerous areas |
| B 32 | Place foundation pit slopes too steep and fail to take protective measures |
| B 33 | Enter into dangerous areas of lifting |
| B 34 | Use overloaded construction platforms/scaffolding/support systems/templates |
| B 35 | Set drainages and impermeable layers against procedures |
| B 36 | Work after drinking |
| B 37 | Carryout hazardous tasks without professional supervisions |
| B 38 | Do not timely and effectively deal with environmental problems (such as surrounding buildings, surrounding grounds) |
| B 39 | Set circuit breakers/earth leakage protective devices/short-circuit protections against procedures |
| B 40 | Do not replace the damaged and aged electrical equipment in a timely manner |