Subsurface Constructors
Site Investigations
Built on a century of experience in the foundation construction industry, Subsurface Constructors maintains a large database of the region’s geology. Our knowledge of the strata most likely to be encountered on a project allows us to be a valued foundation consultant during pre-project planning.

In addition, we have truck, ATV and skid-mounted test drilling equipment that can be used to verify existing geotechnical data, as well as provide a means for collecting additional soils and rock information.

Foundation Load Testing and Shoring Instrumentation
Subsurface Constructors possesses the engineering expertise and necessary equipment to perform geotechnical load testing methods. We have completed thousands of load tests on micropile, augercast pile, driven pile, drilled shafts, and vibro stone columns, verifying design loads or proving higher capacities that allow for a reduced number of foundation elements.

On a recent project, we used an Osterberg Load Cell test to demonstrate that drilled shafts could withstand a much greater load than the original design load. The number of drilled shafts on the project was significantly reduced, resulting in an overall project savings of over 30 percent. This testing capability clearly allows us to present significant value engineering alternatives.

On large earth retention projects, quality construction is the top priority, but services are not complete when our equipment leaves the worksite. Utilizing our experience and instrumentation, we can continually monitor the movement of large earth retention systems after we have finished building them.
Image: Sheboygan Read about this Ground Improvement Project...
Image: Lange-Stegman Learn about this Ground Improvement project...
Image: Peru NE Wheeler Center Learn about this Vibro Stone Column Project...
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