Criteria | Sub-Criteria with Global (G) and Local (L) Weights | Alternatives | |||
Weija | Kpong | Teshie | |||
Environmental (53.3%) | Resource Availability (RA) Resource Quality (RQ) Treatment Waste Management (TWM) Ecological Impact | L: 0.507 and G: 0.265 L: 0.286 and G: 0.150 L: 0.082 and G: 0.043 L: 0.125 and G: 0.066 | 0.0212 0.0421 0.011 0.0143 16.9 | 0.0404 0.0984 0.0289 0.0445 40.5 | 0.2038 0.009 0.0032 0.0069 42.6 |
Economic (31.1%) | Energy Cost (EC) Chemical Cost (CC) Maintenance Cost (MC) Construction Cost (CoC) Financial Viability (FV) | L: 0.302 and G: 0.092 L: 0.100 and G: 0.031 L: 0.049 and G: 0.015 L: 0.147 and G: 0.045 L: 0.403 and G: 0.123 | 0.0654 0.0024 0.0092 0.0312 0.0834 62.6 | 0.0201 0.0086 0.0041 0.01 0.03 23.8 | 0.0069 0.0195 0.0016 0.0037 0.0097 13.5 |
Technical (10.3%) | Operational Flexibility (OF) Expertise of Employees (EE) Land Area (LA) Storm Drainage (SD) | L: 0.339 and G: 0.038 L: 0.139 and G: 0.016 L: 0.405 and G: 0.046 L: 0.117 and G: 0.013 | 0.013 0.0063 0.0105 0.0063 32.0 | 0.0217 0.0078 0.0187 0.0048 47.0 | 0.0035 0.0016 0.0166 0.0021 21.1 |
Socio-Cultural (5.3%) | Treated Water Aesthetics (TWA) Security of Transmission (ST) Acceptability (A) Cultural Resource (CR) | L: 0.227 and G: 0.013 L: 0.308 and G: 0.018 L: 0.205 and G: 0.012 L: 0.261 and G: 0.015 | 0.0018 0.0097 0.0032 0.0065 36.8 | 0.0082 0.0024 0.0075 0.0046 39.4 | 0.0031 0.0057 0.0011 0.0039 24.0 |