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20.4.2 Supplying, fitting and fixing of 12 mm dia of 2.65 mm thick G.I pipe stair railing of standard height and design and shape with 50 mm x 50 mm x 6 mm M.S. plate at the base of 12 mm dia G.I. Pipe and fitting & fixing by welding. Placing the pipes vertically @ 125 mm c/c (2 nos. in each steps) 150 mm embedded into the R.C.C tread of stair case after cutting grooves and mending good the damages with C.C. and providing 50 mm dia of 3.20 mm thick G.I. pipe hand rail on the top of vertical G.I. pipe, applying 2 (two) coats of synthetic enamel paint of approved quality and color over an anti-corrosive prime coat etc. all complete in all respect for all floors and accepted by the Engineer-in-charge. (Exposed area of railing will be considered for measurement, rate is excluding the cost of paint).

Considering 1 No. of railing Clear G.I. pipe height 34" + embedded into RCC 6" + 2" dia hand rail Lenght of G.I. pipe = 3'-4" Considering 10'-0" x 3'-0"= 30 sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 13 mm/1/2" dia G.I. pipe 1/2" dia G.I. pipe of 2.65 mm thick 20 x 3'-4"= 66.67 rft Add wastage 5%= 3.33 rft = 70.00 rft 70 rft 61 per foot 61 4270
2 50 mm/2" dia G.I. pipe 2" dia G.I. pipe of 3.20 mm thick: 1 x 10'-0"= 10.00 Add wastage 5%= 0.50 rft = 10.50 rft 10.5 rft 215 per foot 215 2257.5
3 18/20/22 BWG MS Sheet/plate 2" x 2" x 1/4" M.S.plate: @ 10.2 Ibs per rft 20 x 2" x 2"= 0.56 sft Add wastage 5%= 0.03 sft = 0.59 sft = 6.02 lbs 6.02 lbs 77000 per M. ton 34.92 210.22
4 Electrodes including electricity Electrodes in/c electricity 80 nos 10 each 10 800
5 Welder Welder / fabricator 0.5 no 700 per day 700 350
6 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Welder helper 1 no 550 per day 550 550
7 Ordinary labour Ordinary labour 1.5 nos 550 per day 550 825
9 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Labour charge for cutting 2" x 2" x 6" size grooves 20 nos 550 per day 18.33 366.6
10 Plain concrete (1:2:4) with brick chips CC (1:2:4): 20 x 2" x 2" x 6" = 0.28 cft 0.28 cft 20151.67 % cft 201.52 56.43
11 Mason / Mosaic mistry Mason 0.25 no 700 per day 700 175
12 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Mason helper 0.25 no 550 per day 550 137.5
13 Ordinary labour Ordinary labour 0.5 no 550 per day 550 275
14 Welder Welder/fabricator 0.25 no 700 per day 700 175
15 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Welder helper 0.25 no 550 per day 550 137.5
16 Workshop Charges 20.4.2 Work-shop charges: 1 - 9712.72 Unit 485.64 485.64
8 Carrying of materials to work-shop and fabricated materials to site: LS 450
Sub-Total 11521.39
Contractor's Profit 10% 0.1 1152.14
Contractor's Overhead Expenses 3.5% 0.035 403.25
Total 13076.78
Add VAT with adjustment factor. 1.08108 7.5% 0.075 1060.28
Grand Total 14137.06
Rate per sft 471.23
Rate per sqm 5072.32
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