How to go through pavement?

[greenmonster304]

Originally Posted by Mdirrigation

My longest shot was 55 feet , it was tight clay and mica soil . It was with a 2.5 millsile under a parking lot for an electrician running new wires to a light pole . $ 20.00 a foot

Do you have the sight scope or do you do it by eye?
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[Mdirrigation]

All I use is a level , run about a 1/4 bubble on the down side , I hit the mark 85% of the time .