Labour for fitting and fixing steel shutter & props in position: | Considering 50 times use |
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| = | Tk. | 132.00 | |
| 2 x 10'-0" x 3'-0"= | 60.00 sft |
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| 10' - 0" x 3"= | 2.50 sft |
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| 62.50 sft @ | Tk. | 15.00 per sft | = | Tk. | 937.50 |
Hessian tape for making |
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| shutter water-tight | 62.50 sft @ | Tk. | 1.25 per sft | = | Tk. | 78.13 |
Curing for 28 days for surface area | 62.50 sft @ | Tk. | 2.67 per sft | = | Tk. | 166.88 | |
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| Total | = | Tk. | 1,859.79 |
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| Cost per sft | = | Tk. | 29.76 |
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| Cost per sqm | = | Tk. | 320.34 |
C-18 | SUNSHADE using STEEL shutter |
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| Assuming 10'-0" x 3'-0"= 30 sft sun-shade |
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| Shuttering Area: 34 sft |
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(i) | 1.5" x 1.5" x 3/16" M.S. angle for frame |
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| 2 x 10'-3"= | 20.50 rft |
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| 2 x 2 x 3'-1.5"= | 12.50 rft |
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| 33.00 rft |
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| Add 5% wastage= | 1.65 rft |
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| = | 34.65 rft |
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| @ 1.79 Ibs per rft= | 62.02 Ibs @ | Tk. | 24.94 per Ibs | = | Tk. | 1,546.78 |
(ii) | 1" x 3/16" F.I. bar for stiffner: |
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| 2 x 10'-3"= | 20.50 rft |
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| 2 x 3 x 0'-3"= | 1.50 rft |
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| = | 22.00 rft |
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| Add 5% wastage= | 1.10 rft |
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| = | 23.10 rft |
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| @ 0.64 Ibs per rft= | 14.78 Ibs @ | Tk. | 24.94 per Ibs | = | Tk. | 368.61 |
(iii) | 16 BWG steel sheet |
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| 1 x 10'-0" x 3'-0"= | 30.00 sft |
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| Add 5% wastage= | 1.50 sft |
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| 31.50 sft |
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| @ 2.44 Ibs per sft= | 76.86 Ibs @ | Tk. | 27.44 per Ibs | = | Tk. | 2,109.04 |
(iv) | Fabrication steel shutter: | 30.00 sft @ | Tk. | 75.00 per sft | = | Tk. | 2,250.00 |
(v) | Cost of nuts, bolts, J- hooks etc. | 0.50 kg @ | Tk. | 160.00 per kg | = | Tk. | 80.00 |
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| Total | = | Tk. | 6,354.43 |
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| Considering 30 times use |
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| = | Tk. | 211.81 |
(vi) | Wooden side shutter: |
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| 1 x 10'-0" x 3" x 1.5"= | 0.31 cft |
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| 2 x 3'-1.5" x 3" x 1.5"= | 0.20 cft |
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| = | 0.51 cft |
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| Add 5% wastage= | 0.03 cft |
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| 0.54 cft @ | Tk. | 500.00 per cft |
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| Considering 6 times use |
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| = | Tk. | 45.00 |
(vii) | 4" x 2" box channel under steel shutter |
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| 4 x 4'-0"= | 16 rft @ | Tk. | 350.00 per rft |
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| Considering 50 times use |
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| = | Tk. | 112.00 |
(viii) | 2"/1.5" dia M.S. props in/c adjustable mechanism with top and bottom plate etc. | 4 nos @ | Tk. | 1,650.00 each |
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| Considering 50 times use |
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| = | Tk. | 132.00 |
(ix) | Labour for fitting and fixing steel shutter & props in position as required.: |
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| 1 x 10'-0" x 3'-0" = | 30.00 sft |
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| (3'-0" + 10'-0" + 3'-0") x 3" = | 4.00 sft |
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| 34.00 sft @ | Tk. | 15.00 per sft | = | Tk. | 510.00 |
(x) | Hessian tap for making |
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| shutter water-tight | 34.00 sft @ | Tk. | 1.25 per sft | = | Tk. | 42.50 |
(xi) | Curing for 28 days for surface area | 34.00 sft @ | Tk. | 2.67 per sft | = | Tk. | 90.78 |
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| Total | = | Tk. | 1,144.09 |
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| Cost per sft | = | Tk. | 33.65 |