Risk Evaluation of Sewage Treatment PPPABS Projects Using Combination Weight Method and D-S Evidence Theory

Table 6

Weights of first-level risks and second-level risks.

First-level risk factors	Weight	Second-level risk factors	Subjective weight	Objective weight	Combined weight
	0.2534		0.040	0.042	0.0410
			0.050	0.045	0.0470
			0.167	0.164	0.1654
	0.1249		0.045	0.042	0.0434
			0.031	0.034	0.0327
			0.022	0.029	0.0259
			0.019	0.026	0.0229
	0.1867		0.127	0.125	0.1259
			0.017	0.016	0.0165
			0.047	0.042	0.0443
	0.1352		0.057	0.059	0.0581
			0.037	0.035	0.0359
			0.044	0.039	0.0413
	0.2998		0.191	0.195	0.1932
			0.036	0.033	0.0344
			0.029	0.028	0.0285
			0.041	0.046	0.0438