Diagnosis of Critical Risk Sources in the Operation Safety of the Central Route Project of South-to-North Water Diversion Based on the Improved FMEA Method

Table 4

The ranking of , , , , and the final RPN values of each risk factor.

Risk factor							IRPN	Sort
Storm flood F1	0.0076	0.3229	0.9770	0.2095	0.0744	0.1249	0.1220	1
Geological disaster F2	0.2156	0.1151	0.3481	0.0799	0.0718	0.0758	0.0264	3
Extreme weather F3	0.2885	0.0365	0.1123	0.0305	0.0412	0.0355	0.0040	10
Design safety factor F4	0.2626	0.0857	0.2461	0.1215	0.0637	0.0880	0.0217	4
Building reliability F5	0.3110	0.0653	0.1735	0.0811	0.0569	0.0680	0.0118	5
Equipment reliability F6	0.3138	0.0157	0.0477	0.0664	0.0391	0.0509	0.0024	14
Geological conditions F7	0.2914	0.1055	0.2657	0.2202	0.0734	0.1271	0.0338	2
Engineering construction quality F8	0.2429	0.0934	0.2777	0.0165	0.0608	0.0316	0.0088	6
Personnel management quality F9	0.3108	0.0332	0.0966	0.0455	0.0406	0.0430	0.0042	9
Engineering maintenance management level F10	0.3056	0.0317	0.0940	0.0228	0.0409	0.0305	0.0029	12
Management system perfection level F11	0.3139	0.0156	0.0473	0.0228	0.0382	0.0295	0.0014	18
Human activity impact F12	0.3024	0.0523	0.1474	0.0203	0.0472	0.0309	0.0046	8
Operation and maintenance construction management level F13	0.3204	0.0170	0.0503	0.0040	0.0391	0.0125	0.0006	19
Protection scope violation activity F14	0.3075	0.0469	0.1323	0.0116	0.0457	0.0230	0.0030	11
Illegal operation F15	0.3220	0.0034	0.0104	0.0059	0.0366	0.0147	0.0002	20
Man-made sabotage F16	0.2993	0.0453	0.1316	0.0026	0.0457	0.0109	0.0014	17
Fire F17	0.2985	0.0385	0.1143	0.0127	0.0437	0.0236	0.0027	13
Sudden water pollution F18	0.3030	0.0548	0.1531	0.0199	0.0500	0.0315	0.0048	7
Traffic accident F19	0.2990	0.0381	0.1131	0.0043	0.0438	0.0138	0.0016	16
Social dispute F20	0.2817	0.0563	0.1667	0.0020	0.0473	0.0096	0.0016	15