(ix) | Shuttering Shuttering cost for 4 x 30'-0" x 4'-0" = 480 sft Curing for 28 days for surface area 1380.00 sft @ | cost per sft Tk. 2.67 | per sft | = = = | Tk. | 25.68 12,326.40 3,684.60 |
| Total Cost per sft Cost per sqm | = = = | Tk. | 16,011.00 33.36 359.09 | ||
C-12 | FOUNDATION BEAM using STEEL shutter |
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| Assuming size of beam: 20'-0" x 3'-0" x 1'-6" |
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| Shuttering Area: 120 sft |
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(i) | 1.5 " x 1.5" x3/16" angle for frame: |
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| 2 x 2 x 20'-0"= 80.00 rft |
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| 2 x 3 x 2 x 3'-0"= 36.00 rft |
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| 116.00 rft |
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| Add 5% wastage= 5.80 rft |
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| 121.80 rft |
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| @ 1.79 Ibs per rft = 218.022 Ibs @ | Tk. 24.94 | per Ib | = | Tk. | 5,437.47 |
(ii) | 1" x 3/16" F.I. bar for stiffner and tie between side shutter. |
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| 2 x 20'-0"= 40.00 rft |
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| 2 x 3 x 6 x 3'-0"= 108.00 rft |
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| 1 x 5 x 1'-10"= 9.20 rft |
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| 157.20 rft |
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| Add 5% wastage= 7.86 rft |
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| 165.06 rft |
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| @ 0.64Ibs per rft = 105.64 Ibs @ | Tk. 24.94 | per Ib | = | Tk. | 2,634.66 |
(iii) | 16 BWG steel sheet for covering steel frame: |
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| 2 x 20'-0" x 3'-0"= 120.00 sft |
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| Add 5% wastage= 6 sft |
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| 126.00 sft |
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| @ 2.44 Ibs per sft= 307.44 Ibs @ | Tk. 27.44 | per Ibs | = | Tk. | 8,436.15 |
(iv) | Fabrication cost of steel shutter: 120.00 sft @ | Tk. 75.00 | per sft | = | Tk. | 9,000.00 |
(v) | Cost of nuts, bolts, J-hooks etc. 4.00 kg @ | Tk. 160.00 | per kg | = | Tk. | 640.00 |
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| Total | = | Tk. | 26,148.28 |
| Considering 30 times use |
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| = | Tk. | 871.61 |
(vi) | 1.5" dia M.S. pipe for inclined support |
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| 2 x 5x 10'-0" = 100 rft @ | Tk. 115.00 | per rft | = | Tk. | 11,500.00 |
| Considering 50 times use |
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| = | Tk. | 230.00 |
(vii) | Labour cost for fitting fixing steel shutter and props in position and removing after concreting etc. |
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| 2 x 20'-0" x 3'-0"= 120.00 sft @ | Tk. 15.00 | per sft | = | Tk. | 1,800.00 |
(viii) | Hessian for making |
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| shutter water-tight 120.00 sft @ | Tk. 1.25 | per sft | = | Tk. | 150.00 |
(ix) | Cost for support against sides |
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| = | Tk. | 50.00 |
(x) | Curing for 28 days for surface area 150.00 sft @ | Tk. 2.67 | per sft | = | Tk. | 400.50 |
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| Grand total |
| = | Tk. | 3,502.11 |
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| Cost per sft | = | Tk. | 29.18 |
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| Cost per sqm | = | Tk. | 314.09 |
C-13 | PADESTALS, COLUMN CAPITALS, LIFT WALLS and WALLS using STEEL shutter |
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| Assuming 10'-0" x 12" x 12" Column |
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| Shuttering Area: 40 sft |
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1.5" x 1.5" x 3/16" angle for frame |
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| 4 x 2 x 10'-0"= 80.00 rft |
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| 2 x 3 x 1'-4"= 7.98 rft |
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| 2 x 3 x 1'-0"= 6.00 rft |
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| 93.98 rft |
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| Add 5% wastage = 4.699 rft |
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| = 98.68 rft |
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| 1.79 Ibs per rft = 176.64 Ibs @ | Tk. 24.94 | per Ib | = | Tk. | 4,405.40 |
1" x3/16" F.I. bar for stiffner |
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| 2 x 8 x 1'-4"= 21.28 rft |
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