Systematic Approach of TOPSIS Decision-Making for Construction Method Based on Risk Reduction Feedback of Extended QFD-FMEA

Table 10

Table of analysis of hazard factors and risk reduction measures by basic causes of A001 alternative (Steps 7, 8, 9 of extended QFD-FMEA).

BC	BC rate	Hazard factors	HF-CI	Composition rate	Rate of HF	Accident type (AT)	Risk score	Risk reduction measures (RRM)	Priority	Risk reduction rate (RRR)	Reduction cliticality index (RCI)
M1	0.17	H_04	1.50	26.4%	4.6%	A01_01	15	Risk reduction measure 01	2	0.34	0.51
		H_06	1.00	17.6%	3.0%	A01_08	5	Risk reduction measure 02	5	0.52	0.52
		H_08	1.60	28.1%	4.9%	A01_03	20	Risk reduction measure 03	1	0.52	0.83
		H_12	1.34	23.6%	4.1%	A01_02	6	Risk reduction measure 04	4	0.34	0.46
		H_14	0.24	4.2%	0.7%	A01_07	2	Risk reduction measure 05	6	0.34	0.08
		Sum	5.68	100%	—	—	—	—	—	Sum	2.40
M2	0.33	H_03	8.50	77.7%	25.9%	A01_02, A01_06	20	Risk reduction measure 06	1	0.42	3.57
		H_04	2.22	20.3%	6.8%	A01_01, A01_03	20	Risk reduction measure 07	1	0.53	1.18
		H_08	0.22	2.0%	0.7%	A01_07	2	Risk reduction measure 08	6	0.34	0.08
		Sum	10.95	100%	—	—	—	—	—	Sum	4.82
M3	0.33	H_01	3.60	33.2%	11.0%	A01_05	9	Risk reduction measure 09	3	0.38	1.37
		H_03	0.22	2.0%	0.7%	A01_02	6	Risk reduction measure 10	4	0.38	0.08
		H_04	1.68	15.5%	5.1%	A01_03	20	Risk reduction measure 11	1	0.40	0.67
		H_05	1.00	9.2%	3.0%	A01_04	5	Risk reduction measure 12	5	0.34	0.34
		H_08	4.34	40.0%	13.2%	A01_01, A01_07, A01_08	15	Risk reduction measure 13	2	0.52	2.25
		Sum	10.83	100%	—	—	—	—	—	Sum	4.72
M4	0.16	H_05	1.00	18.7%	3.0%	A0act1_04	5	Risk reduction measure 14	5	0.34	0.34
		H_12	4.34	81.3%	13.2%	A01_02, A01_03	20	Risk reduction measure 15	1	0.34	1.47
		Sum	5.336	100%	—	—	—	—	—	Sum	1.81