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(Anodized 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 | 136 | per foot | 136 | 690.88 | |
| 2 | 55.02 mm, 37.39 mm louver Z-section of 1.5 mm thick (Anodized 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 | 54 | per foot | 54 | 850.5 | |
| 3 | 39.67 mm, 15.06 mm louver outer U-section of minimum 1.2 mm thick (Anodized at any colour) 3)39.67mm,15.06mm louver outer section of 1.3mm thick(vertical,2x0'-11"=1.84rft + Add 5% wastage=0.09rft)=1.93rft | 1.93 | rft | 39 | per foot | 39 | 75.27 | |
| 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 technicin | 0.1 | nos | 1200 | per day | 1200 | 120 | |
| 7 | Semi skilled technician Semi-Skilled technician | 0.1 | nos | 800 | per day | 800 | 80 | |
| 8 | Ordinary labour Tools and plant, sundries etc | 1 | LS | 550 | per day | 110 | 110 | |
| Sub-Total | 2086.65 | |||||||
| Contractor's Profit | 10% | 0.1 | 208.67 | |||||
| Contractor's Overhead Expenses | 3.5% | 0.035 | 73.03 | |||||
| Total | 2368.35 | |||||||
| Add VAT with adjustment factor. | 1.08108 | 7.5% | 0.075 | 192.03 | ||||
| Grand Total | 2560.38 | |||||||
| Rate per sft | 1454.55 | |||||||
| Rate per sqm | 15656.78 | |||||||