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19.6 Supplying, fitting and fixing of rolling shutter of any design and shape made of 24 SWG G.P. sheet unit minimum 69 mm width having 10 mm and 12 mm dia circular folding at ends, rolled in machine, locked together properly to form rolling shutter, top of the shutter to be fitted with circular spring box made of 26 BWG sheet, containing best quality spring made in China, nutted with 38 mm G.I. pipe at one end and the other end nutted to shutter including fitting the G.I. pipe again with 375 mm x 300 mm x 6 mm pankha at ends with side guide channel (side channel consist of 50 mm x 100 mm x 6 mm M.S. plate with 2 mm x 19 mm x 3 mm F.I. bar, middle channel consist of 2 mm x 150 mm x 6 mm M.S. plate with 2 mm x19 mm x 6 mm fixed to wall or column with clamps embedded in R.C.C. part by cement concrete (1:2:4) including cutting holes (minimum 3 mm x 25 mm x 6 mm) mending the damages, finishing, curing, bottom end of shutter fitted to folded G.P. sheet (min 125 mm width in two layers), which is again fitted to 25 mm x 25 mm x 3 mm angle, providing handle with F.I. bar 25 mm x 6 mm and locking arrangement in both sides, painting two coats with approved colour and brand of synthetic enamel paint over a coat of priming etc. complete in all respect accepted by the Engineer-in-charge. [Rate is excluding the cost of painting]

Considering 1 No. rolling shutter Considering 10'-0" x 6'-0"= 60 sft of work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 0.45 mm thick C.I. sheet: 24 SWG G.P. sheet with 1/2" dia folding at the other end (@ 1 Ibs per rft) 44 (2.75"+3.14 x 0.5"+3.14 x 0.375) x 10'-0" = 121.00 sft Side patty: 2 x 10'-0" x 0'-3"= 5.00 sft 126.00 sft Add 5% wastage= 6.05 sft 132.05 sft = 132.05 lbs 132.05 lbs 79000 per M. ton 35.83 4731.35
2 18/20/22 BWG MS Sheet/plate 26 SWG cover sheet: @ 0.85 Ibs per sft 6'-0" x 4'-0"= 24.0 sft Add 5% wastage= 1.2 sft 25.2 sft = 21.42 Ibs 21.42 lbs 77000 per M. ton 34.92 747.99
3 38 mm/1.5" dia G.I. pipe 1.5" dia G.I. pipe 6.33 rft 175 per foot 175 1107.75
4 M.S. angle, T and Z-section, Channel etc. 1" x 1" x 1/8" M.S. angle: @ 0.8 per rft: 1 x 6'-0"= 6 rft = 4.8 lbs 4.8 lbs 70000 per M. ton 31.75 152.4
5 18/20/22 BWG MS Sheet/plate 1/4" thick M.S. plate: @ 10.21 lbs per sft Side guide: 2 x 2 x 4" x 10'-6"= 14.0 sft Mid guide: 2 x 6" x 10'-6"= 10.5 sft 4 x 0'-2" x 0'-3"= 0.17 sft = 24.67 sft Add wastage 5%= 1.23 sft 25.90 sft = 264.44 Ibs 264.44 lbs 77000 per M. ton 34.92 9234.24
6 M.S. plain bar and F.I. bar (non-structural use) 1" x 1/8" F.I. bar: @ 0.425 Ibs per rft Side guide channel: 2 x 2 x 10'-0"= 40 rft Mid guide channel: 2 x 10'-0"= 20 rft Guide channel to punkha: 2 x 2'-3"= 4.5 rft Guide channel to handle: 2 x 0'-9"= 1.5 rft = 66.0 rft Add 5% wastage= 3.3 rft 69.3 rft = 29.4525 Ibs 29.4525 lbs 70000 per M. ton 31.75 935.12
7 18/20/22 BWG MS Sheet/plate 1/8" thick M.S. plate for punkha & folded plate: @ 5.10 lbs per sft 2 x 1'-3" x 1'-0"= 2.50 sft 1 x 6'-0" x 0'-3"= 1.50 sft = 4.00 sft Add 5% wastage= 0.20 sft 4.20 sft = 12.75 Ibs 12.75 lbs 77000 per M. ton 34.92 445.23
8 China made spring for rolling shutter Best quality china made spring: 3 x 11'-0"= 33 rft 33 rft 55 per foot 55 1815
9 Spring box for rolling shutter Spring box 3 nos 80 each 80 240
10 12 mm dia nut-bolt Nut bolt, 1/2" dia maximum 2.5" long 18 nos 12 each 12 216
11 Rivets (normal) Rivet: Side patty= 176 nos For fixing top tail= 9 nos For fixing lower plate= 40 nos = 225 nos 225 nos 2 each 2 450
12 Rivets (normal) For guide channel= 20 nos 20 nos 2 each 2 40
13 150 mm long clamp 1" x 1/4" x 0'-9" clamps 8 nos 37 each 37 296
14 Electrodes including electricity Electrodes 30 nos 10 each 10 300
15 Grease/lubricant etc. Lubricant, greese: 1 lbs 65 per Ib 65 65
16 Ordinary labour Cutting, folding both sides, rolling, locking individual strip, stitching or riveting side patty etc. 44 pcs 550 per day 33 1452
17 Welder Welder/fabricator 2 nos 700 per day 700 1400
18 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Welder helper 2 nos 550 per day 550 1100
19 Ordinary labour Carrying materials to work-shop and shutter to site 1 LS 550 per day 550 550
20 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Making holes 8 nos 550 per day 22.92 183.36
21 Plain concrete (1:2:4) with brick chips Plain concrete: (1:2:4) 8 x 6" x 6" x 6"= 1.00 cft 1 cft 20151.67 % cft 201.52 201.52
22 1/2 " thick plaster (1:4) 1/2" plaster (1:4) to repair walls. 3 x 10'-0" x 1'-0"= 30 sft 30 sft 23.22 sft 23.22 696.6
23 Mason / Mosaic mistry Mason 0.5 no 700 per day 700 350
24 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Mason helper 0.5 no 550 per day 550 275
25 Ordinary labour Ordinary labour 0.5 no 550 per day 550 275
26 Welder Welder/ fabricator 0.5 no 700 per day 700 350
27 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Welder helper 0.5 no 550 per day 550 275
28 Workshop Charge 19.6 Workshop charge 1 - 25277.82 Unit 1263.89 1263.89
Sub-Total 29148.45
Contractor's Profit 10% 0.1 2914.85
Contractor's Overhead Expenses 3.5% 0.035 1020.2
Total 33083.5
Add VAT with adjustment factor. 1.08108 7.5% 0.075 2682.44
Grand Total 35765.94
Rate per sft 596.1
Rate per sqm 6416.42
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