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26.72.3 1100 mm x 1100 mm x 75 mm R.C.C. pit cover with 450 mm dia C.I. manhole cover.

Considering 1 No. pit cover with man-hole cover

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 Concrete for slab (1:2:4) R.C.C. (1:2:4) for slab: 1 x (3'-8" x 3'-8"- 0.785 x 1'-6" x 1'-6") x 0'-3" = 2.93 cft 2.93 cft 20355.5 % cft 203.56 596.43
2 Grade 300(300Mpa / 300N/mm2 ≈ 43500psi/40 Grade): BDS- 6935-2006 - B300 and Ratio fy to fu =>1.25 1% re-inforcement in/c fabrication 14.36 lbs 65000 per M. ton 29.48 423.33
3 1/2 " thick plaster (1:4) with N.C.F. 12 mm plaster with n.c.f.: 4 x (3'-8" x 0'-3" + 3'-8" x 3'-8" - 0.785 x 1'-6" x 1'-6") = 15.37 sft 15.37 sft 28.39 sft 0.28 4.3
4 Water sealed heavy type 18" / 450 mm dia C.I. M.H. cover having locking arrangement 18" dia water sealed heavy type C.I. man-hole cover with locking arrangement in/c making holes. 1 no 910 each 910 910
5 Ordinary labour Extra labour for placing pit cover Ordinary labour 0.1 no 550 per day 550 55
Sub-Total 1989.06
Contractor's Profit 10% 0.1 198.91
Contractor's Overhead Expenses 3.5% 0.035 69.62
Total 2257.59
Add VAT with adjustment factor. 1.08108 7.5% 0.075 183.05
Grand Total 2440.64
Rate per no 2441
Rate per each 2441
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