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29.4 Anti-termite treatment in existing super structures by making downwardly slanting holes at a required depth of 9" from the existing finished F.L/G.L inside and outside the building and applying the emulsion of anti termite chemicals, named DURS BAN 20 EC into the holes preparing chemical solution mixing with water at the ratio of chemical: water = 1:19 maintaining a dosage rate of 250 ml per hole including supplying all materials and repairing the holes all complete and accepted by the Engineer-in-charge.

Considering 100 holes

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 DURS BAN 20 EC 1.25 litre 1050 per litre 1050 1312.5
2 Ordinary labour Labour for cutting holes 100 holes 550 per day 27.5 2750
3 Skilled technician Skilled technician 0.25 no 1200 per day 1200 300
4 Skilled labour 2 nos 600 per day 600 1200
6 Plain concrete (1:2:4) with brick chips C.C. (1:2:4): 100 x 1/2 x 1/2 x 9"= 1.56 cft 1.56 cft 20151.67 % cft 201.52 314.37
7 Ordinary labour Local carriage 1 LS 550 per day 176 176
8 DURS BAN 20 EC T & P, sundries, drilling machine & sprayer 1.25 LS 1050 per litre 50.96 63.7
Sub-Total 6116.57
Contractor's Profit 10% 0.1 611.66
Contractor's Overhead Expenses 3.5% 0.035 214.08
Total 6942.31
Add VAT with adjustment factor. 1.08108 7.5% 0.075 562.89
Grand Total 7505.2
Rate per holes 75.05
Rate per hole 75.05
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