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13.4.3 Supplying, fitting, fixing window grills of any design made with 25 mm x 6 mm F.I. bar as outer frame and 20 mm x 5 mm F.I. inner member @ 100 mm c/c; 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 12 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(@0.850Ibs per rft)for outer members:((2x5'-4"=10.67rft+2x4'-6"=9.00rft)=19.67rft+Add 5% wastage 0.98rft)=20.65rft=17.55lbs 17.55 lbs 70000 per M. ton 31.75 557.21
2 M.S. plain bar and F.I. bar (non-structural use) (ii)20x5mm F.I.bars(@0.478Ibs per rft)for inner members:((Horizontal4x5'-4"=21.32rft+Horizontal short piece 6x4x1'4"=31.92rft+vertical 6x4'-6"=27.00rft+F.I. Bars for clamps 12x0'-6"=6.00rft)=86.24rft+Add5% wastage4.31rft)=90.55rft=43.28lbs 43.28 lbs 70000 per M. ton 31.75 1374.14
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 lbs 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 4012.08
Contractor's Profit 10% 0.1 401.21
Contractor's Overhead Expenses 3.5% 0.035 140.42
Total 4553.71
Add VAT with adjustment factor. 1.08108 7.5% 0.075 369.22
Grand Total 4922.93
Rate per sft 205.25
Rate per sqm 2209.31
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