Risk Assessment Method and Application of Urban River Ecological Governance Project Based on Cloud Model Improvement

Table 4

Cloud digital eigenvalues of risk evaluation third-level indicators of urban river ecological management.

Third-level risk indicator	Maximum cloud	Minimum cloud	Comprehensive cloud
Risk of low-technical level c11	0.6200, 0.0902, 0.0621	0.400, 0.0902, 0.0621	0.5100, 0.0925, 0.0809
Risk of weak safety awareness c12	0.7600, 0.1604, 0.0852	0.5800, 0.0902, 0.0621	0.6699, 0.1253, 0.0737
Risk of lack of practitioner qualification c13	0.4000, 0.1504, 0.0488	0.1800, 0.1203, 0.0502	0.2900, 0.1353, 0.0495
Risk of construction personnel slowdown c14	0.4600, 0.1103, 0.0289	0.2400, 0.1103, 0.0289	0.3500, 0.1103, 0.0289
Risk of improper drawing design c21	0.8399, 0.2206, 0.1198	0.6400, 0.2406, 0.1005	0.7400, 0.2306, 0.1101
Risk of inadequate engineering technology c22	0.5800, 0.1303, 0.0032	0.4600, 0.1604, 0.0475	0.5200, 0.1454, 0.0254
Risk of deficient construction machines, tools, and equipment c23	0.4400, 0.1103, 0.0289	0.2800, 0.1303, 0.0032	0.3600, 0.1203, 0.0061
Risk of cross-operation c24	0.6600, 0.1905, 0.0413	0.4600, 0.2406, 0.0097	0.5600, 0.2256, 0.0255
Risk of construction accidents c25	0.9000, 0.0000, 0.0000	0.6800, 0.0902, 0.0621	0.7900, 0.0451, 0.0311
Risk of poor safety management c31	0.6800 0.1804 0.0665	0.5400, 0.1905, 0.0413	0.6100, 0.1855, 0.0539
Risk of poor construction party coordination (technical disclosure included) c32	0.5800, 0.2306, 0.0939	0.4000, 0.2507, 0.1103	0.4900, 0.2406, 0.1021
Risk of poor design rationality of construction organization c33	0.8200, 0.0802, 0.0238	0.5800, 0.0802, 0.0238	0.700, 0.0802, 0.0238
Risk of insufficient plan adjustment and engineering change (risk of plan adjustment) c34	0.6600, 0.1604, 0.0476	0.4400, 0.1604, 0.0476	0.5500, 0.1604, 0.0476
Risk of defective contract management and execution c35	0.6000, 0.1002, 0.0703	0.4200, 0.1705, 0.0891	0.5100, 0.1353, 0.0797
Risk of confusing organization setup c36	0.4800, 0.2206, 0.0578	0.3400, 0.1604, 0.0852	0.4100, 0.1905, 0.0715
Risk of poor management authority c37	0.5200, 0.1303, 0.0032	0.2600, 0.1103, 0.0289	0.3900, 0.1203, 0.0160
Risk of failing to track document lifecycle c41	0.4800, 0.1303, 0.0032	0.3200, 0.1303, 0.0032	0.4000, 0.1303, 0.0032
Risk of overlong construction period c42	0.5800, 0.1303, 0.0707	0.3600, 0.1604, 0.0476	0.4700, 0.1454, 0.0592
Risk of construction period delay c43	0.6200, 0.1303, 0.0707	0.4400, 0.1404, 0.0574	0.5300, 0.1353, 0.0641
Risk of breaking policies and laws c51	0.9200, 0.0401, 0.0198	0.7200, 0.0802, 0.0238	0.8200, 0.0602, 0.0218
Economic risk c52	0.6800, 0.2406, 0.1381	0.4800, 0.1905, 0.1035	0.5800, 0.2156, 0.1208
Social risk c53	0.5600, 0.2106, 0.1366	0.3600, 0.1303, 0.0775	0.4600, 0.1705, 0.1071
Risk of natural disasters c54	0.7600, 0.1103, 0.0289	0.5000, 0.1027, 0.0703	0.6300, 0.1053, 0.0496