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Breakup

08.5.2 Supplying, fitting and fixing ribbed PVC water stopper with centre bulb of width approx. 250 mm and approx 9 mm thick for immovable (non working) RCC joints, having minimum tensile of strength 8.27 MPa (approx. 1200 psi) minimum ultimate elongation 350%, approximate hardness 50, minimum tear resistance 0.0175 kN/mm (100 lbs/inch) at RCC construction green joints in basements, approved and in consultation with design office, providing 38 mm x 62 mm wooden batten at the top and bottom of water stopper, holding in position and keeping the water stopper in true horizontal or vertical by appropriate means as where necessary etc; all complete and accepted by the Engineer-in-charge.

Break-up for 20 rft work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 PVC water stopper (with centre bulb) Water stopper in/c 5% wastage 21 rft 180 per foot 180 3780
2 Timber for formwork Wood (using 3 times) (2 x 20'-0" x 1.5" x 2.5" = 1.00 cft+Wastage 5% = 0.05) = 1.05 cft 1.05 cft 550 per cft 183.33 192.5
3 Carpenter Carpenter 0.2 no 700 per day 700 140
4 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Helper 0.4 no 550 per day 550 220
5 Mason / Mosaic mistry Mason 0.5 no 700 per day 700 350
6 Ordinary labour Ordinary Labour 1 nos 550 per day 550 550
7 Portland Composite Cement ,(CEM-II/B-M 42.5N (42.5MPa) (6-20% constituents other than clinker): 50 kg bag Watage of RCC work 1 LS 410 per bag 64.06 64.06
8 Nails and wires G.I. Wire, nails etc. 1 LS 70 per kg 17.5 17.5
9 Ordinary labour Tools and plant, sundries etc. 1 LS 550 per day 183.33 183.33
Sub-Total 5497.39
Contractor's Profit 10% 0.1 549.74
Contractor's Overhead Expenses 3.5% 0.035 192.41
Total 6239.54
Add VAT with adjustment factor. 1.08108 7.5% 0.075 505.91
Grand Total 6745.45
Rate per rft 337.25
Rate per per rm 1106.52
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