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30.14 114 mm thick Boundary Wall with 3 Holes Concrete Hollow Block having minimum compressive strength of 10 MPa of size (240 x 114 x 70 - 3H) mm, thickness of individual Block Shell should not be less than 25 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) 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 Area 10` x 10`

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 Hollow block of 240mmx114mmx70mm 3H Cost of materials : Hollow block of 240mmx114mmx70mm 3H 450 Nos 12 each 12 5400
2 Portland Composite Cement ,(CEM-II/B-M 42.5N (42.5MPa) (6-20% constituents other than clinker): 50 kg bag Cement 0.75 bag 410 per bag 410 307.5
3 Sand (F.M. 1.2) Sand (F.M. 1.2) 3.25 cft 1900 per % cft 19 61.75
4 Head mason / Mosaic head mistry Labour Cost : Head Mason 0.1 no 800 per day 800 80
5 Mason / Mosaic mistry Mason 1 no 700 per day 700 700
6 Ordinary labour Ordinary Labour 2.5 Nos 550 per day 550 1375
7 Scaffolding Scaffolding 25 Sft 10 per sft 10 250
8 Ordinary labour Local carriage, curing, sundries, T&P etc. 1 LS 550 per day 275 275
Sub-Total 8449.25
Contractor's Profit 10% 0.1 844.93
Contractor's Overhead Expenses 3.5% 0.035 295.72
Total 9589.9
Add VAT with adjustment factor. 1.08108 7.5% 0.075 777.56
Grand Total 10367.46
Rate per sft 103.67
Rate per sqm 1115.9
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