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30.13 240 mm thick Boundary Wall with 3 Holes Concrete Hollow Block having minimum compressive strength of 15 MPa of size (240 x 114 x 70 -3H) mm, thickness of individual Block Shell should not be less than 32 mm, water absorption not more than 7%, laying with specified mortar of cement and sand in a ratio 1:4 (sand not less than F.M =1.2) and minimum thickness of 15 mm (9 mm for shell portion and 6 mm for inside hollow portion), filling the interstices with mortar and making bond with connecting walls /frames including necessary scaffolding and curing for minimum 3 (three) days on mortar joints by jute /brush in wet, followed by impervious /wet covering for another 4 (four) days curing etc. all completed by contractor and accepted by the Engineer-in-charge.

Considering Volume

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 Hollow block of 240mmx114mmx70mm 3H 1100 Nos 12 each 12 13200
2 Portland Composite Cement ,(CEM-II/B-M 42.5N (42.5MPa) (6-20% constituents other than clinker): 50 kg bag 1.5 Bag 410 per bag 410 615
3 Sand (F.M. 1.2) 7 Cft 1900 per % cft 19 133
1 Head mason / Mosaic head mistry 0.1 Nos 800 per day 800 80
2 Mason / Mosaic mistry 1 Nos 700 per day 700 700
3 Ordinary labour 2.5 Nos 550 per day 550 1375
4 Scaffolding 25 Sft 10 per sft 10 250
5 Local carriage, sundries, T & P etc. LS 275
Sub-Total 16628
Contractor's Profit 10% 0.1 1662.8
Contractor's Overhead Expenses 3.5% 0.035 581.98
Total 18872.78
Add VAT with adjustment factor. 1.08108 7.5% 0.075 1530.22
Grand Total 20403
Rate per cft 204.03
Rate per cum 7205.32
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