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

Table 11

Analysis table of subjective beliefs about risk reduction and additional costs corresponding to steps 11 and 12 of extended QFD-FMEA at A001.

Risk reduction measures (RRM)	Reduction measures priority	Safety efficiency (SE)				Risk reduction rate (RRR)	Increasing safety cost rate (ISCR) (%)
		Education (SE1)	Technology (SE2)	Management (SE3)	Personal (SE4)
		0.7	0.5	0.4	0.3
Risk reduction measures 01	2	0.9			0.1	0.34	0.01
Risk reduction measures 02	5		0.9		0.1	0.52	1.10
Risk reduction measures 03	1		0.9		0.1	0.52	0.10
Risk reduction measures 04	4	0.9			0.1	0.34	0.15
Risk reduction measures 05	6	0.9			0.1	0.34	0.30
Risk reduction measures 06	1	0.5	0.4		0.1	0.42	0.10
Risk reduction measures 07	1		0.8	0.1	0.1	0.53	0.20
Risk reduction measures 08	6	0.9			0.1	0.34	0.80
Risk reduction measures 09	3	0.8			0.2	0.38	0.80
Risk reduction measures 10	4	0.7	0.2		0.1	0.38	0.30
Risk reduction measures 11	1	0.7		0.2	0.1	0.40	0.40
Risk reduction measures 12	5	0.9			0.1	0.34	0.10
Risk reduction measures 13	2		0.9		0.1	0.52	1.00
Risk reduction measures 14	5	0.9			0.1	0.34	0.05
Risk reduction measures 15	1	0.9			0.1	0.34	0.50
Sum							5.9