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

Table 1

Risk indicator system of urban river ecological management project U0.

Second-level risk indicator	Third-level risk indicator
Risk of construction personnel factor B1	Risk of low-technical level c11 [21–23]
	Risk of weak safety awareness c12 [24]
	Risk of practitioner qualification c13 [22]
	Risk of construction personnel slowdown c14 [25, 26]
Risk of construction technology factor B2	Risk of improper drawing design c21 [27, 28]
	Risk of engineering technology c22 [29]
	Risk of construction machines, tools, and equipment c23 [30]
	Risk of cross-construction c24 [31, 32]
	Risk of construction accidents c25 [33]
Risk of construction management factor B3	Risk of poor safety management c31 [28]
	Risk of defective construction party coordination c32 [34]
	Risk of poor design rationality of construction organization c33 [32]
	Risk of inadequate plan adjustment and engineering change c34 [35]
	Risk of deficient contract management and execution c35 [36]
	Risk of confusing organization setup c36 [37]
	Risk of poor management authority c37 [38]
Risk of construction period factor B4	Risk of document life cycle c41 [39]
	Risk of construction period c42 [28]
	Risk of construction period delay c43
Other risks B5	Risk of policies and laws c51 [32]
	Economic risk c52 [40]
	Social risk c53 [36, 41]
	Risk of natural disasters c54 [42, 43]