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250 Foot Concrete Tunnel

250 foot of Reinforced Concrete Pipe in Sioux Falls, South Dakota.

Ribs and Lagging Tunnel

Storm water tunnels at the airport

Missouri Trail Culvert

On This project we had a long narrow trail access that we could not get our big trucks with equipment in so it all had to be brought in

Railroad Culvert Replacement

This job required us to get well off the road in bad weather and complete a bore with many obstacles and challenges. It rained almost every day or every

Iowa City Bike Trail

On this project we had to access thru private property and set up with the river and a high pressure gas main behind us.

500 Auger Bores or Bust

When Jason Clark of Iowa Trenchless first saw the plans for a large diameter auger boring project in Arizona, he knew that just one contractor couldn’t meet the aggressive