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24.19.2 Providing prime coat @1.2 liter/sqm with cutback bitumen to be prepared by cutting back 60/70 penetration grade bitumen in the ratio of 100 parts by volume of bitumen to 40-60 parts by volume of kerosene depending on the porosity of surface and will be decided by field trials, carefully cleaning of the surface of base material to be primed and spraying cutback bitumen at a temperature from 100°C to 120°C by mechanical distributor etc. all complete as per direction of the Engineer-in-charge.

Considering 100 sft of work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 60/70 grade bitumen for road work Cost of materials : Bitumen (60/70grade) 16.4 lbs 56000 per M. ton 25.4 416.56
2 Kerosene / Diesel Kerosene 3.75 liter 68 per litre 68 255
3 Fire-wood Fire wood 0.333333 mnds 220 per mound 220 73.33
4 Mason / Mosaic mistry Labour charges: Mason 0.002 no 700 per day 700 1.4
5 Skilled labour Skilled labour 0.02 no 600 per day 600 12
6 Ordinary labour Ordinary labour 0.12 no 550 per day 550 66
7 Hire charge of distributor Equipment Charges: Hire Charge of Distributor 0.003 day 5500 per day 5500 16.5
8 Diesel Diesel 0.03 liter 68 litre 68 2.04
9 Lubricants Lubricants 0.003 liter 220 per litre 220 0.66
Sub-Total 843.49
Contractor's Profit 10% 0.1 84.35
Contractor's Overhead Expenses 3.5% 0.035 29.52
Total 957.36
Add VAT with adjustment factor. 1.08108 7.5% 0.075 77.62
Grand Total 1034.98
Rate per sft 10.35
Rate per sqm 111.41
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