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13.4.2 Supplying, fitting, fixing window grills of any design made with 25 mm x 6 mm F.I. bar @ 100 mm c/c as inner section but no outer frame; including fabrication, welding, cost of electricity workshop charges, labour charges for fitting and fixing grills in position, local carriage charges, cutting grooves, mending good the damages, tools and plants, finished with anti-corrosive painting (Red-oxide) etc. complete for all floors accepted by the Engineer-in-charge. (Total weight per sqm should be approx 16 kg and add or deduct @ Tk. 100.00 for each kg/sqm excess or less respectively)

For 1 No. window grill Considering 5'-4" x 4'-6" = 23.985 sft = 2.228 sqm of work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 M.S. plain bar and F.I. bar (non-structural use) (a)Materials:(i)25x6mmF.I.bars(@0.850Ibs per rft) for inner members:((Horizontal4x5'-4"=21.32rft+Horizontal short piece6x4x1'4"=31.92rft+vertical6x4'-6"=27.00rft+F.I.Bars for clamps6x2x0'-6"=6.00rft)=86.24rft+Add 5%wastage4.31rft)=90.55rft=76.971lbs 76.971 lbs 70000 per M. ton 31.75 2443.83
2 Making steel grill (b)Workshop charge:Labour cost for manufacturing, welding including supply of necessary electrode, cutting steel to required sizes etx complete. 23.985 sft 51 per sft 51 1223.23
3 Mason / Mosaic mistry (c)Labour charges:Labour charges for fitting and fixing in position of grills : mason 0.5 no 700 per day 700 350
4 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator skilled labour 0.5 no 550 per day 550 275
5 Local carriage LS 82.5
6 Cost of CC (1:1.5:3) in/c mending LS 150
Sub-Total 4524.56
Contractor's Profit 10% 0.1 452.46
Contractor's Overhead Expenses 3.5% 0.035 158.36
Total 5135.38
Add VAT with adjustment factor. 1.08108 7.5% 0.075 416.38
Grand Total 5551.76
Rate per sft 231.48
Rate per sqm 2491.65
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