Research Article
First-Time Application of Underwater Live Concrete for Economic Retrofitting of Damaged Bridge Piers in Bangladesh
Table 3
Cost analysis of underwater concreting method.
| Arial Kha Bridge | Pile surface repairing cost at Pier 7 | Si. no. | Item | Unit | Amount |
| 1 | Direct cost | | | a. | Material cost | | | 1 | MASTERFLOW 870 | Bag | 50.00 | 2 | Cement | Bag | 450.00 | 3 | Coarse sand | cft | 714.00 | 4 | Stone | t | 67.00 | 5 | 10 mm rebar | t | 2.50 | 6 | 6 mm rebar | t | 1.00 | 7 | Admixture | kg | 900.00 | 8 | Grouting cement | kg | 700.00 | b. | Equipment cost | | | 1 | Concrete mixer mMachine | Nos | 1.00 | 2 | Boat | Nos | 4.00 | 3 | Generator | Nos | 3.00 | 4 | Formwork | kg | 3360.00 | 5 | Fuel for the equipment | Liter | 750.00 | 6 | Other related equipment | Nos | | c. | Manpower | | | 1 | Chinese technical person | Person | 2.00 | 2 | Engineer | Person | 2.00 | 3 | Water diver | Person | 7.00 | 4 | Skilled labor | Person | 6.00 | 5 | Unskilled labor | Person | 10.00 | 6 | Subtotal (a + b + c) | | 7,029.50 | 2 | Overhead cost | | 4,381,976.00 | | Total (1 + 2) | | 4,389,005.50 |
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