|
| Primary risk | Secondary risk |
|
| Management team risk R1 | Team information level r1 |
| Team personnel level r2 |
| Personnel safety awareness level r3 |
| Information management level r4 |
| Personnel mental state r5 |
|
| Environmental factor risk R2 | Geological disaster impact r6 |
| Illegal invasion of people and animals r7 |
| Third-party construction damage r8 |
| Temperature, humidity, and chemical gas concentration in the corridor r9 |
|
| Ingress pipeline risk R3 | Pipeline leak r10 |
| Valves, pipe fittings, etc., are not maintained in time r11 |
| Cracks, pipeline deviation, pipeline slippage, etc., caused by uneven settlement r12 |
| Explosion and fire caused by pipeline r13 |
|
| Auxiliary facility risk R4 | Lighting, ventilation, and drainage facilities r14 |
| Above-ground and underground information is not linked r15 |
| Risk sensing facilities in the corridor r16 |
|
| Risk of pipe gallery R5 | Design and construction do not meet operation and maintenance requirements r17 |
| Uneven settlement caused by construction problems cited r18 |
| Unreasonable overall construction design r19 |
| Information transfer between management center and gallery r20 |
|
