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13.5.4 Supply, fitting & fixing window grills made of 12 mm x 12 mm M.S. solid bar @100 mm c/c as inner members but no outer frame, with 25 x 6 mm F.I. Bar for Clamp;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. all complete for all floors accepted by the Engineer-in-charge. (Total weight per sqm should be approx 15 kg and add or deduct @ Tk. 100.00 for each kg/sqm excess or less respectively)

For 1 No. window grillConsidering 1x6'-6"x4'-6" = 29.25 sft 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 clamp:(4x2x0'-6"=4.00rft+4x2x0'-6"=4.00rft)=8.00rft=6.8lbs 6.8 lbs 70000 per M. ton 31.75 215.9
2 M.S. plain bar and F.I. bar (non-structural use) (ii)12x12mm solid square bar(@0.851Ibs per rft):((6x4'-6"=27.00rft+4x6'-6"=26.00rft+6x4x1'-9"=42.00rft)=95.00rft+Add 5% wastage=4.75rft)=99.75rft=84.89sft 84.89 lbs 70000 per M. ton 31.75 2695.26
3 Making steel grill (b)Workshop charge:Labour cost for manufacturing, welding including supply of necessary electrode, cutting steel to required sizes etx complete. 29.25 sft 51 per sft 51 1491.75
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 137.5
7 Cost of CC (1:1.5:3) in/c mending LS 150
Sub-Total 5315.41
Contractor's Profit 10% 0.1 531.54
Contractor's Overhead Expenses 3.5% 0.035 186.04
Total 6032.99
Add VAT with adjustment factor. 1.08108 7.5% 0.075 489.16
Grand Total 6522.15
Rate per sft 222.97
Rate per sqm 2400.05
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