Evaluation of the Critical risk factors in PPP - procured Mass Housing Projects in Abuja Nigeria - A fuzzy synthetic evaluation (FSE) approach

Table 7. Membership Function (MF) for Overall Risk Level in PPP-procured Mass HousingProjects

Critical Risk Group (CRFG)	Weighting (wi) for CRFG	Membership function level 2 (CRFG)	Membership function of level 1 (ORL)
*Risk probability (from level 2 to 1)*	0.00,0.01,0.01,0.08,0.23,0.59,0.08
Financial and Macroeconomic risk (CRFG 1): u₁	0.327	0.00,0.00,0.02,0.09,0.21,0.54,0.15
Legal and Socio-political risk (CRFG 2): u₂	0.293	0.00,0.00,0.01,0.10,0.17,0.68,0.04
Operation and Organization risk (CRFG 3): u₃	0.159	0.00,0.01,0.01,0.06,0.25,0.67,0.00
Design and Project Selection risk (CRFG 4): u₄	0.130	0.00,0.01,0.02,0.05,0.22,0.59,0.11
Construction risk (CRF 5): u₅	0.091	0.01,0.00,0.00,0.09,0.51,0.38,0.01
*Risk severity (from level 2 to 1)*	0.00,0.00,0.01,0.06,0.22,0.64,0.07
Financial and Macroeconomic risk (CRFG 1): u₁	0.322	0.00,0.00,0.02,0.08,0.21,0.56,0.12
Legal and Socio-political risk (CRFG 2): u₂	0.292	0.00,0.01,0.01,0.06,0.18,0.70,0.04
Operation and Organization risk (CRFG 3): u₃	0.161	0.00,0.00,0.01,0.06,0.21,0.71,0.01
Design and Project Selection risk (CRFG 4): u₄	0.129	0.00,0.00,0.01,0.03,0.27,0.68,0.01
Construction risk (CRFG 5): u₅	0.095	0.01,0.00,0.00,0.06,0.31,0.61,0.02