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Table 4 Net present worth of sample feasible M&R alternatives (c) Replacement of Complete 4” thick AC Overlay
From: Framework for airfield pavements management—an approach based on cost-effectiveness analysis
Year | Work description | Quantity | Unit cost Rs | Total cost Rs | PW Factor | Present worth Rs |
|---|---|---|---|---|---|---|
(0) 2011 | Removal of 4” AC surface | 12,620 m3 | 855.38 | 1,07,94,896 | 1.000 | 1,07,94,896 |
(0) 2011 | Tack Coat | 125,464 m2 | 41.14 | 51,61,618 | 1.000 | 51,61,618 |
(0) 2011 | 2”AC Aggregate | 14,405 T | 5617.3 | 8,09,17,207 | 1.000 | 8,09,17,207 |
(0) 2011 | Tack coat | 125,464 m2 | 41.14 | 51,61,618 | 1.000 | 51,61,618 |
(0) 2011 | 2” AC wearing | 15,010 T | 5938.3 | 8,91,33,883 | 1.000 | 8,91,33,883 |
(08) 2019 | Fog seal | 125,464 m2 | 95.14 | 1,19,36,645 | 0.730 | 87,13,751 |
(11) 2022 | Crack seal | 1274 m | 198 | 2,52,252 | 0.650 | 1,63,964 |
(14) 2025 | Tack Coat | 125,464 m2 | 41.14 | 51,61,618 | 0.577 | 29,78,254 |
(14) 2025 | 2” AC overlay | 15,010 Ton | 5938.3 | 8,91,33,883 | 0.577 | 5,14,30,250 |
(19) 2030 | Fog Seal | 125,464 m2 | 95.14 | 1,19,36,645 | 0.475 | 56,69,906 |
Sub Total Less Salvage Value Net Present Worth | 3,56,53,553 | 0.456 | 26,01,25,347 1,62,58,021 243.87 Million PKR | |||