I hired this to dig 3 ft..

 

 

 

I hope that was tongue in cheek Tony... We weren't expecting to encounter ground water at 20 inches. Per your architect's site plan, he had the infiltration basin bottom 3 feet below grade. The bottom of the basin has to be two feet above the seasonal high water table so we were expecting a water table of at least 6 to 8 feet. We have to be prepared for a 10 to 12 foot pit all the time. Typically we need to provide the twp engineer with a soil test pit log to at least ten feet. I'm sorry it was a bit overkill but that is the type of machine we always need.

I'll tell you what, I have been digging a french drain by hand the last week. I would have loved something like that.