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Table 5 Net Present Worth of Sample Feasible M&R Alternatives (d) Re-construction of Complete Runway
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 12” AC | 38,242 m3 | 855.38 | 3,27,11,442 | 1.000 | 3,27,11,442 |
(0) 2011 | Removal 11” sub-base & base | 35,055 m3 | 180.48 | 63,26,726 | 1.000 | 63,26,726 |
(0) 2011 | Laying 9” sub-base | 28,681 m3 | 1031.30 | 2,95,78,715 | 1.000 | 2,95,78,715 |
(0) 2011 | Laying 7” base | 22,308 m3 | 1459.30 | 3,25,54,064 | 1.000 | 3,25,54,064 |
(0) 2011 | Prime coat | 125,464 m2 | 78.44 | 2,52,252 | 1.000 | 2,52,252 |
(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 |
(14) 2025 | Fog seal | 125,464 m2 | 95.14 | 1,19,36,645 | 0.577 | 68,87,444 |
(19) 2030 | Crack seal | 1274 m | 198 | 2,52,252 | 0.513 | 1,19,820 |
Sub Total Less Salvage Value Net Present Worth | 28,36,43,171 5,53,27,181 22,83,15,990 or 228.32 Million PKR | |||||