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11.3.1 Supplying, fitting and fixing double leaf door frame for all floors made with 38mm x 38 mm x 6 mm M.S. angle fitted with 150 mm long 6 nos. iron clamps of same size M.S. angle (with one end bifurcated) with the vertical members of the frame, fixing the frame in wall with cement concrete (1:2:4), mending good the damages, fixing 6 Nos. of 100 mm long iron hinges with the vertical members of the frame all complete including making holes in walls, cutting, sizing, welding, fabricating, carrying from work-shop to site and local carriage, curing etc. all complete as per plan and drawing and accepted by the Engineer-in-charge.

Considering 1 No. door frame 4'-0" x 7'-0" frame = 4'-0" + (2 x 7'-0") = 18.00 rft 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) 1.5" x 1.5" x 1/4" angle: @ 2.34 Ibs per rft (i) Frame: 4'-0" + (2 x 7'-0") = 18.00 rft (ii) Clamp: 6 x 0'-6" = 2.52 rft = 20.52 rft Add wastage 5% = 1.03 rft = 21.55 rft = 50.43 Ibs 50.43 lbs 70000 per M. ton 31.75 1601.15
2 100 mm long iron hinges (b) 4" long iron hinge 6 nos 57 each 57 342
3 Fabrication of light section steel Labour for fabrication: 50.43 lbs 360 per 50 kg 3.27 164.91
4 Line welding (at field) Cost of welding: Frame: 2 x 4 x 1.5" = 12.00 inch Clamp: 6 x 4 x 1.5" = 36.00 inch Hinge: 6 x (2 x 2"+4") = 48.00 inch = 96.00 inch 96 inch 5 per inch 5 480
5 Mason / Mosaic mistry Labour for fitting fixing in position, making @ 6 nos of holes in existing brick work or making special arrangement for fixing with concrete work 1 no 700 per day 408.33 408.33
6 Plain concrete (1:2:4) with brick chips Cost of C.C. (1:2:4) in/c mending good the damages: 6 x 5" x 5" x 6" = 0.52 cft 0.52 cft 20151.67 % cft 201.52 104.79
7 Ordinary labour Local carriage & carriage from workshop to site 1 LS 550 per day 165 165
Sub-Total 3266.18
Contractor's Profit 10% 0.1 326.62
Contractor's Overhead Expenses 3.5% 0.035 114.32
Total 3707.12
Add VAT with adjustment factor. 1.08108 7.5% 0.075 300.58
Grand Total 4007.7
Rate per rft 222.67
Rate per rm 730.58
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