Solution number | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Total cost ($/year) | 626,819 | 635,634 | 632,458 | 624,806 | 634,744 | 639,738 | 632,744 |
GHG (106 kg CO2-e/year) | 3.32 | 3.33 | 3.34 | 3.31 | 3.36 | 3.39 | 3.34 |
WAnet (h) | 0.21 | 0.2 | 0.21 | 0.21 | 0.16 | 0.15 | 0.2 |
New zone connection | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
No. duplicated pipes | 170 | 177 | 172 | 171 | 180 | 178 | 170 |
No. replaced pipes | 70 | 66 | 69 | 68 | 66 | 67 | 72 |
Setting PRV V1 | 56 | 56 | 56 | 56 | 56 | 55 | 56 |
Setting PRV V45 | 49 | 49 | 49 | 50 | 49 | 49 | 49 |
Setting PRV V47 | 55 | 55 | 55 | 55 | 55 | 55 | 55 |
Setting PRV N15 | 54 | 54 | 54 | 54 | 54 | 54 | 54 |