Table 6.
Life-cycle cost of seven LID implementing scenarios.
| LID practice | Installing dimensions (m2) | Assigned capital cost per unit ($) | Assigned annual cost per unit ($) | Assigned lifespan (year) | PVC (million $)a |
|---|---|---|---|---|---|
| IT | 11,224 | 11.97 | 0.80 | 15 | 0.232 |
| RB | 13,469 | 3.68 | 0.06 | 15 | 0.058 |
| PP | 6734 | 110.15 | 0.44 | 15 | 0.774 |
| IT + RB | 11,224 + 13,469 | 15 | 0.291 | ||
| IT + PP | 11,224 + 6734 | 15 | 1.006 | ||
| PP + RB | 13,469 + 6734 | 15 | 0.832 | ||
| IT + PP + RB | 11,224 + 13,469 + 6734 | 15 | 1.065 |
a
PVC for LID combination is the sum of PVC for all involved LID practices.