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13.5.1 Supplying, fitting and fixing window grill made of 10 mm x 10 mm M.S. solid bar @ 100mm c/c with outer frame of 38 mm x 6mm F.I. bar and 25 mm x 6 mm F.I. bar for clamp as per design 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 approved and accepted by the Engineer-in-charge. (Total weight per sqm should be approx 17 kg and add or deduct @ Tk. 100.00 for each kg/sqm excess or less respectively)

For 1 No. window grill Considering 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)38x6mm F.I.bars(@1.28Ibs per rft)for outer members:((2x4'-6"=9.00rft+2x6'-6"=13.00rft)=22.00 rft+Add 5% wastage1.10rft)=23.10rft=29.57lbs 29.57 lbs 70000 per M. ton 31.75 938.85
2 M.S. plain bar and F.I. bar (non-structural use) (ii)25x6mm F.I.bars(@0.850Ibs per rft)for clamp:12x0'-6"=6.00rft=5.1lbs 5.1 lbs 70000 per M. ton 31.75 161.92
3 M.S. plain bar and F.I. bar (non-structural use) (iii)10x10mm solid square bar(@0.76lbs/rft):((4x4'-6"=18.00rft+4x6'-6"=26.00rft+6x4x1'9"=42.00rft+Add 5% wastage=4.30rft)=90.30rft=68.628lbs 68.628 lbs 70000 per M. ton 31.75 2178.94
4 Making steel grill (b)Workshop charge:Labour cost for manufacturing, welding including supply of necessary electrode, cutting steel to required sizes etx complete. 29.25sft 29.25 sft 51 per sft 51 1491.75
5 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
6 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator skilled labour 0.5 no 550 per day 550 275
7 Local carriage LS 82.5
8 Cost of CC (1:1.5:3) in/c mending LS 150
Sub-Total 5628.96
Contractor's Profit 10% 0.1 562.9
Contractor's Overhead Expenses 3.5% 0.035 197.01
Total 6388.87
Add VAT with adjustment factor. 1.08108 7.5% 0.075 518.02
Grand Total 6906.89
Rate per sft 236.14
Rate per sqm 2541.81
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