Risk Evaluation of Urban Integrated Pipe Corridor Operation and Maintenance Based on Improved AHP-CIM Model

Table 9

Probability distribution of risk levels for master risk at guideline level.

Code level B risk factors	Comprehensive risk assessment rating
	Small	Smaller	Moderate	Larger	Large
B1	0.0000	0.0000	0.0014	0.0868	0.9118
B2	0.0000	0.0200	0.1200	0.3100	0.5500
B3	0.0006	0.0018	0.0648	0.1920	0.7408
B4	0.0000	0.0216	0.5454	0.3330	0.1000
B5	0.0001	0.0000	0.0629	0.2954	0.6416