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09.22.5 Supply of Cold-Drawn Wire Pre-stressed Concrete (CWPC) micro-pile which is made by using cold drawn wire minimum cement content relates to mix ratio 1:1.5:3 cement conforming to BDS EN-197-1-CEM-1, 52.5N (52.5MPa) / ASTM-C 150 type - 1, having minimum f'cr = 35 MPa and satisfying specified compressive strength f'c= 30 MPa at 28 days best quality coarse sand (F.M. 2.2), 20 mm down well graded stone chips conforming to ASTM C-33, mixing in standard mixture machine and fed by standard measuring boxes, including cost of all kind of reinforcement BDS ISO 6935-2:2006 including strengthening and cleaning rust if any bending and binding in position with supply of GI wires (24 BWG), centering and shuttering with M.S. sheet, M.S. angle, F.I. bar, nuts and bolts, preparation of bed, supplying & tensioning of cold drawn wire, laying polythene, placing of reinforcement cage in position, casting, compacting by vibrator and tapered rods, curing at least 28 days etc. including cost of water, electricity and other charges, proving pile shoe making with 20 BWG plane sheet, as per design and drawing including an equipments mobilization, demobilization champering edges if so including the cost of water electricity and other charges all complete as per design, drawing and accepted by the Engineer-in-charge. (Excluding the cost of carrying and driving of pile). Maximum length: Up to 7620mm (fixed size x-section: 180 mm x 180 mm)

Considering 7.62 rm long 180 mm x 180 mm size pile

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 12 mm (1/2") down grade stone chips Stone Chips (12mm down Graded) 7.56 cft 17840 per % cft 178.4 1348.7
2 Sand (F.M. 2.2) Sand (F.M. 2.2) 5.5 cft 5380 per % cft 53.8 295.9
3 Ordinary Portland Cement, BDS-EN - 197-1-CEM-I ,52.5N (52.5MPa) / ASTM C-150 Type-I, 50 kg bag Cement 2 bag 440 per bag 440 880
4 Grade 400/420(400Mpa / 400N/mm2 ≈ 60900psi/ 60 Grade), BDS-6935-2006, B400: and ratio fy to fu => 1.25 MS Rod (fy = 400 Mpa, Cold-Drawn Wire) 23.6 kg 72000 per M. ton 72 1699.2
Sub-Total 4223.8
Contractor's Profit 10% 0.1 422.38
Contractor's Overhead Expenses 3.5% 0.035 147.83
Total 4794.01
Add VAT with adjustment factor. 1.08108 7.5% 0.075 388.7
Grand Total 5182.71
Rate per rm 680.18
Rate per rm 2231.67
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