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19.1.4 Manufacturing, supplying, fitting and fixing M.S. collapsible gate of any design and shape made of 20 mm x 20 mm x 3 mm M.S. angle placed @ 112 mm c/c vertically and connecting the same with each other by 20 mm x 3 mm M.S flat bar scissors 525 mm, 600 mm long provided in 3 rows including cutting the different M.S. members to required sizes, fabricating, welding, riveting with required size rivets, providing required size wheels, pulling handles on both sides, suitable locking arrangement, electrodes, grease and finally placing the same in position in between 2 (two) nos. 50 mm x 50 mm x 6 mm M.S. tee rail made by welding 2 nos. 50 mm x 6 mm M.S. flat bar fitted and fixed at top and bottom with R.C.C. lintel/roof slab, floors and side wall with required Nos. 150 mm to 225 mm long 38 mm x 6 mm M.S. flat bar clamps one end welded with the gate member and the other end bifurcated and embedded in C.C. at the respective point including cutting holes and mending good the damages by pouring concrete (1:2:4) into the holes and finishing, etc. complete, painting 2 (two) coats with approved best quality synthetic enamel paint over a coat of anticorrosive painting, both end carriage, including greasing, electrodes, curing etc. complete as per drawing and design and accepted by the Engineer-in-charge. (Rate is excluding the cost of paint).

Considering 1 No. collapsible gate Considering 8'-0" x 8'-0"= 64.00 sft in two parts

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 M.S. angle, T and Z-section, Channel etc. 3/4" x 3/4" x 1/8" angle: @ 0.585 Ibs per rft 2 x 12 x 2 x 8'-6"= 384 rft Add wastage 5%= 19.2 rft = 403.2 rft = 235.872 Ibs 235.872 lbs 70000 per M. ton 31.75 7488.94
2 M.S. plain bar and F.I. bar (non-structural use) 3/4" x 1/8" M.S. flat bar diagonals at 3 levels of length 1'-0" to 2'-0": @ 0.32 Ibs per rft 2 x 9 x 2 x 3 x 2'-0"= 216.00 rft 2 x 2 x 2 x 3 x 1'-9"= 42.00 rft = 258.00 rft Add wastage 5%= 12.90 rft = 270.90 rft = 86.69 Ibs 86.69 lbs 70000 per M. ton 31.75 2752.41
3 M.S. plain bar and F.I. bar (non-structural use) 2" x 1/4" F.I. bar to make Tee (top & bottom rail) and locking arrangement: @ 1.70 Ibs per rft 4 x 8'-6"= 34 rft 2 x 2 x 0'-6"= 2 rft 36 rft Add wastage 5%= 1.8 rft = 37.8 rft = 64.26 Ibs 64.26 lbs 70000 per M. ton 31.75 2040.26
4 Rivet, washer, wire nails etc. Rivet and washer 2.5 kg 90 per kg 90 225
5 38 mm dia M.S. wheel for collapsible gate 1.5" dia M.S. wheel 6 nos 32 each 32 192
6 75 mm - 150 mm M.S. clamp M.S. clamp: 10 nos 32 each 32 320
7 Heavy duty gate locking arrangement Locking arrangement 2 nos 280 each 280 560
8 Heavy duty gate locking arrangement Handle with 5/8" dia M.S rod 4 nos 280 each 140 560
9 Electrodes including electricity Electrodes 70 pcs 10 each 10 700
10 Grease/lubricant etc. Greese 0.5 lb 65 per Ib 65 32.5
11 Welder Welder/ fabricator 5 nos 700 per day 700 3500
12 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Helper to welder 5 nos 550 per day 550 2750
13 Ordinary labour Carrying cost: materials & finished gate. 1 LS 550 per day 550 550
14 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Making holes 14 nos 550 per day 27.5 385
15 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Making groove (channel) on floor: 1 x 8'-0"= 8.00 rft 8 rft 550 per day 27.5 220
16 Plain concrete (1:2:4) with brick chips Cost of CC (1:2:4): 14 x 6" x 4" x 4"= 1.00 cft (say) 1 cft 20151.67 % cft 201.52 201.52
17 1/2 " thick plaster (1:4) 1/2" thick plaster (1:4) 3 x 8'-0" x 1'-0"= 24.00 sft 24 rft 23.22 sft 23.22 557.28
18 1/2 " thick plaster (1:4) with N.C.F. Repairing floor and plaster with neat cement finish: 1 x 8'-0" x 1'-6"= 12.00 sft 12 sft 28.39 sft 28.39 340.68
19 Mason / Mosaic mistry Mason 0.5 no 700 per day 700 350
20 Skilled labour Skilled labour 0.5 no 600 per day 600 300
21 Workshop Charge 19.1.4 Workshop charge 1 - 21669.56 Unit 1083.48 1083.48
Sub-Total 25109.07
Contractor's Profit 10% 0.1 2510.91
Contractor's Overhead Expenses 3.5% 0.035 878.82
Total 28498.8
Add VAT with adjustment factor. 1.08108 7.5% 0.075 2310.71
Grand Total 30809.51
Rate per sft 481.41
Rate per sqm 5181.9
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