Research Article
Risk Evaluation of Urban Integrated Pipe Corridor Operation and Maintenance Based on Improved AHP-CIM Model
Table 5
Risk rating probability table for the operation and maintenance of the northern ring tunnel integrated corridor in the Tongzhou canal core area.
| Risk indicators | Risk level probability | Small | Smaller | Moderate | Larger | Large |
| Management levelB1 | Clarity of management responsibilitiesC1 | 0.0 | 0.0 | 0.3 | 0.2 | 0.5 | Soundness of rules and regulationsC2 | 0.0 | 0.0 | 0.2 | 0.5 | 0.3 | Personnel security awarenessC3 | 0.0 | 0.0 | 0.2 | 0.4 | 0.4 | Training of personnelC4 | 0.1 | 0.1 | 0.2 | 0.3 | 0.3 | Organizational coordination and emergency response capabilitiesC5 | 0.0 | 0.0 | 0.3 | 0.3 | 0.4 |
| Corridor bodyB2 | Compliance of design and construction with O&M requirementsC6 | 0.0 | 0.1 | 0.1 | 0.3 | 0.5 | Uneven SettlementC7 | 0.2 | 0.0 | 0.5 | 0.2 | 0.1 |
| Corridor entry pipelinesB3 | Explosive fires caused by pipelinesC8 | 0.3 | 0.1 | 0.3 | 0.2 | 0.1 | Timely installation and maintenance of valve fittingsC9 | 0.1 | 0.0 | 0.1 | 0.2 | 0.6 | Pipeline corrosionC10 | 0.1 | 0.1 | 0.4 | 0.2 | 0.2 | Leaking pipesC11 | 0.2 | 0.1 | 0.5 | 0.1 | 0.1 |
| Environmental factorsB4 | Natural disasters such as earthquakes, floods and mudslidesC12 | 0.5 | 0.1 | 0.3 | 0.1 | 0.0 | Third party construction such as road excavation for urban constructionC13 | 0.4 | 0.2 | 0.4 | 0.0 | 0.0 | Internal environment of the corridorC14 | 0.0 | 0.1 | 0.6 | 0.2 | 0.1 | People, animals trespassingC15 | 0.5 | 0.1 | 0.3 | 0.1 | 0.0 |
| Equipment and facilitiesB5 | Adequacy of ventilation, lighting and fire-fighting facilitiesC16 | 0.1 | 0.0 | 0.2 | 0.4 | 0.3 | Is the communication signal clear?C17 | 0.1 | 0.0 | 0.5 | 0.2 | 0.2 | Is the information above and below ground linkedC18 | 0.1 | 0.0 | 0.6 | 0.1 | 0.2 | Is the equipment and facilities poorC19 | 0.0 | 0.1 | 0.4 | 0.3 | 0.2 |
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