Break Up Details (Don's use Rate, its PWD rate 2008)

Considering 1000 cft. of excavation work
(i) Extra labour 0.5 No. @ 150 each = 75
Profit 0.1 = 7.5
Overhead 0.035 = 2.63
= 85.13
Add VAT with adjustment factor 1.04712 0.045 = 4.01