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29.3 Supplying anti-termite chemicals named DURS BAN 20 EC / equivalent and mixing the same with pure water in required proportion (For DURSBAN 20 EC I Liter in 19 liters of pure water) and spraying the emulsified mixture with hand sprayer over both outside and inside back fill in foundation trenches @ 7.50 liters per sqm of the vertical surface area of the foundation wall accepted by the Engineer-in-charge. (The maximum depth of the back fill to be treated is 500 mm. and the measurement for depth should not be given more than 500 mm)

Considering 100 sqm of work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 DURS BAN 20 EC 37.5 litre 1050 per litre 1050 39375
3 Skilled technician 0.25 no 1200 per day 1200 300
3 Skilled labour Skilled labour 2 nos 600 per day 600 1200
4 DURS BAN 20 EC T & P, sundries & sprayer 1 LS 1050 per litre 95.55 95.55
5 Ordinary labour Local carriage 1 LS 550 per day 88 88
Sub-Total 41058.55
Contractor's Profit 10% 0.1 4105.86
Contractor's Overhead Expenses 3.5% 0.035 1437.05
Total 46601.46
Add VAT with adjustment factor. 1.08108 7.5% 0.075 3778.49
Grand Total 50379.95
Rate per sqm 503.8
Rate per sqm 503.8
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