For one Aluminium Ventilator, 1'-6' x 1'-2'' = 1.76 sft of work
| SL | Item Name | Quantity | Unit | Item Rate (Taka) | Item Unit | Unit Price (Taka) | Sub Total (Taka) | |
|---|---|---|---|---|---|---|---|---|
| 1 | 38mm x 38mm Aluminium frame (Wall box) of 2.0 mm(Powder coated at any colour) A)Cost of Materials:1)38mmx38mm Aluminium frame(2mm thick)((Wall frame vertical,2x1'-6"=3rft + Horizontal,2x0'-11"=1.84rft)=4.84rft + Add 5% wastage=0.24rft)=5.08rft | 5.08 | rft | 158.5 | per foot | 158.5 | 805.18 | |
| 2 | 55.02 mm, 37.39 mm louver Z-section of 1.5 mm thick (Powder coated at any colour) 2)55.02mm,37.39mm louver(1.5mm thick)(Horizontal,12x1'-3"=15rft + Add 5% wastage=0.75rft)=15.75rft | 15.75 | rft | 62 | per foot | 62 | 976.5 | |
| 3 | 39.67 mm, 15.06 mm louver outer U-section of minimum 1.2 mm thick (Powder coated at any colour) 3.39.67mm,15.06mm louver outer section of minimum 1.2mm thick (vertical,2x0'-11"=1.84rft + Add 5% wastage=0.09rft)=1.93rft | 1.93 | rft | 47.5 | per foot | 47.5 | 91.67 | |
| 4 | S.S. screws B) Cost of accessories: 2" SS Screw | 8 | pcs | 2.5 | each | 2.5 | 20 | |
| 5 | Rivet Rivets (Big) | 28 | pcs | 5 | each | 5 | 140 | |
| 6 | Skilled technician C) Labour charge for fabrication, assembling and fitting-fixing in position : Skilled technician | 0.1 | no | 1200 | per day | 1200 | 120 | |
| 7 | Semi skilled technician Semi-Skilled technician | 0.1 | no | 800 | per day | 800 | 80 | |
| 8 | Ordinary labour Tools and plant, sundries etc | 1 | LS | 550 | per day | 110 | 110 | |
| Sub-Total | 2343.35 | |||||||
| Contractor's Profit | 10% | 0.1 | 234.34 | |||||
| Contractor's Overhead Expenses | 3.5% | 0.035 | 82.02 | |||||
| Total | 2659.71 | |||||||
| Add VAT with adjustment factor. | 1.08108 | 7.5% | 0.075 | 215.65 | ||||
| Grand Total | 2875.36 | |||||||
| Rate per sft | 1633.52 | |||||||
| Rate per sqm | 17583.21 | |||||||