Direct push has always produced good samples. But at Horizon Construction and Exploration LLC in Wisconsin, they’ve found that larger-diameter samples can make things on the jobsite even more interesting.
On a project in Milwaukee’s historical Third Ward District last spring, using a Geoprobe 3230DT combo rig and its DT60 sampling system, the crew found themselves bringing up full-sized bricks in soil samples through the freshly paved asphalt of a parking lot.