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13.2 Supplying, fitting and fixing window grills of any design made of 20 mm x 3 mm mild steel section @ 100 mm c/c with outer frame of 25 mm x 6 mm F.I. bar including fabrication, welding, cost of electricity workshop charges, carriage, cutting grooves, mending good the damages, tools and plants, finished with anti-corrosive painting (Red-Oxide) etc complete for all floors and accepted by the Engineer-in-charge. (Total weight per sqm should be approx 10.00 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)25x6mm F.I.bars(@ 0.85 Ibs per rft) for outer members((2x5'-4"=10.67rft+2x4'-6"=9.00rft=19.67rft+Add 5% wastage0.98rft)=20.65rft=17.55lbs 17.55 Ibs 70000 per M. ton 31.75 557.21
2 M.S. plain bar and F.I. bar (non-structural use) (ii)20x3mm F.I.bars(@ 0.32 Ibs per rft) for inner members:((Horizontal 4x5'-4"=21.33rft+Horizontal short piece6x4x1'4"=31.92rft+vertical6x4'-6"=27.00rft+F.I. Bars for clamps2x3x2x0'-6"=6.00 rft)=86.25rft+Add 5% wastage 4.31rft)=90.56rft=28.98lbs 28.98 Ibs 70000 per M. ton 31.75 920.12
3 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
4 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
5 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator skilled labour 0.5 no 550 per day 550 275
6 Local carriage LS 82.5
7 Cost of CC (1:1.5:3) in/c mending LS 150
Sub-Total 3558.06
Contractor's Profit 10% 0.1 355.81
Contractor's Overhead Expenses 3.5% 0.035 124.53
Total 4038.4
Add VAT with adjustment factor. 1.08108 7.5% 0.075 327.44
Grand Total 4365.84
Rate per sft 182.03
Rate per sqm 1959.37
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