When stuck between a rock and a hard place, I was determined to come up with a solution to penetrate very coarse alluvial gravels, where traditional split spoon and Shelby-tube sampling methods could not.
Hillside homes and structures have presented a particular challenge for some of our customers. Accessing the ideal location on the steep slope with equipment that’s powerful enough to complete the task can be problematic enough, and, for contractors who prefer to own their equipment and complete this type of work in-house, affordable options are even more difficult to come by.
The navigational lock system for the dam, built during the New Deal civil construction boom of the later 1930s and early ’40s, accommodates 600-foot barges. Drillers are helping the U.S. Army Corps of Engineers open up that bottleneck to barges twice that size.
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.