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20.10.4 Supplying, fitting and fixing 10 mm thick tempered glass railing in stair of standard height with 2 mm thick 62 mm dia SS pipe or 2 mm thick 62 mm x 38 mm SS box for hand rail and vertical post of both sides of stair tread, fixing the rail with the tempered glass by SS holder, fitting the bottom edge of the tempered glass with 1.5mm thick 38mm x 18 mm alluminium U channel and the top edge of the tempered glass with 1.5 mm thick 12mm x 12 mm alluminium U channel through glass protector bit/rubber gasket, silicon and fixing with the tread of stair by 50 mm long royal bolt, welding vertical post on 100 mm x 100 mm x 6 mm SS base plate and fitting base plate with the concrete of stair by 50mm long royal bolt including fitting, fixing,carrying, fabricating, polishing etc. as per drawing, design all complete and accepted by the Engineer-in-charge.

Considering 1 No. of railing Considering 9'-9" x 3'-3"= 31.69 sft. exposed surface

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 1.5 mm thick 38 mm x 18 mm aluminium U channel 1.5 mm thick 38 mm x 18 mm aluminium U channel 1x9'-9"= 9.75 rft. 9 x0'-6"= 4.50 rft. = 14.25 rft. Add wastage 5%= 0.71 rft. = 14.96 rft. 14.96 rft 95 foot 95 1421.2
2 1.5 mm thick 12 mm x 12 mm aluminium U channel 1.5 mm thick 12 mm x 12 mm aluminium U channel 1x9'-9"= 9.75 rft. Add wastage 5%= 0.49 rft. = 0.49 rft. 0.49 rft 45 foot 45 22.05
3 Tempered glass thickness 10.0mm 10mm tempered glass 3'-3" x 9'-9"= 31.69 sft Add wastage 5%= 1.58 sft = 33.27 sft 33.27 sft 280 sft 280 9315.6
4 SS Glass Holder SS Glass Holder 6.00 Nos 6 nos 225 each 225 1350
5 62 mm dia stainless steel (2 mm thick) pipe 2 mm thick 62 mm dia SS pipe or 2 mm thick 62 mm x 38 mm SS box 1x9'-9"= 9.75 rft. 2 x3'-3"= 6.50 rft. = 16.25 rft. Add wastage 5%= 0.81 rft. = 17.06 rft. 17.06 rft 285 per foot 285 4862.1
6 4" x 4" x 1/4" thick S.S. plate 4" x 4" x 1/4" thick S.S. plate 2 x 1= 2.00 Nos. 2 nos 200 each 200 400
7 Electrodes including electricity Electrodes with electricity: 40 nos 10 each 10 400
8 Royal bolt 2" Royal Bolt 10 nos 57 each 57 570
9 Rubber gasket Rubber Gasket 40 rft 2 rft 2 80
10 Silicon (1 piece 300 mm) Silicon 2 tube 325 each 325 650
11 Protector bit (Single) Glass bit/protector bit 40 rft 20 foot 20 800
12 Glass hole Cost for glass hole 6 nos 31 each 31 186
13 SS Screws Screws 2 dzn 30 per doz. 30 60
14 Skilled technician Skilled Technician 0.5 nos 1200 per day 1200 600
15 Semi skilled technician Semi-skilled Technician 1 nos 800 per day 800 800
16 Welder Welder/fabricator 1 nos 700 per day 700 700
17 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Welder helper 1.5 nos 550 per day 550 825
18 Mason / Mosaic mistry Mason 0.25 nos 700 per day 700 175
19 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Mason Helper 0.5 nos 550 per day 550 275
20 Ordinary labour Ordinary labour 1 no 550 per day 550 550
21 Work-shop charges: LS 1000
22 Carrying of materials to work-shop and fabricated materials to site: LS 450
Sub-Total 25491.95
Contractor's Profit 10% 0.1 2549.2
Contractor's Overhead Expenses 3.5% 0.035 892.22
Total 28933.37
Add VAT with adjustment factor. 1.08108 7.5% 0.075 2345.95
Grand Total 31279.32
Rate per sft 987.03
Rate per sqm 10624.39
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