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Table 2 Net Present worth of sample feasible M&R alternatives (a) Patching and apply complete 2” thick overlay
From: Framework for airfield pavements management—an approach based on cost-effectiveness analysis
Year | Work description | Quantity | Unit cost | Total cost | PWF | Present worth |
|---|---|---|---|---|---|---|
(0) 2011 | Crack Filling | 1274 m | 198 | 2,52,252 | 1.000 | 2,52,252 |
(0) 2011 | Patching | 570.3 Ton | 5938.3 | 33,86,613 | 1.000 | 33,86,613 |
(0) 2011 | Tack Coat | 125,464 m2 | 41.14 | 51,61,618 | 1.000 | 51,61,618 |
(0) 2011 | 2” AC Overlay | 15,010 Ton | 5938.3 | 8,91,33,883 | 1.000 | 8,91,33,883 |
(5) 2016 | Fog seal | 125,464 m2 | 95.14 | 1,19,36,645 | 0.822 | 98,11,922 |
(8) 2019 | Seal Cracks | 1274 m | 198 | 2,52,252 | 0.730 | 1,84,144 |
(10) 2021 | Removal of 2” AC | 6373.7 cum | 855.38 | 54,51,936 | 0.676 | 36,85,508 |
(10) 2021 | Overlay 2” AC | 15,010 Ton | 5938.3 | 8,91,33,883 | 0.676 | 6,02,54,505 |
(15) 2026 | Fog Seal | 125,464 m2 | 95.14 | 1,19,36,645 | 0.555 | 66,24,838 |
(18) 2029 | Seal Cracks | 1274 m | 198 | 2,52,252 | 0.494 | 1,24,612 |
SubTotal | 17,86,19,895 | |||||
Less Salvage Value | 0 | |||||
Net Present Worth | 178.62 Million PKR |