Why you should use driven soil nails.

By Jeffrey W. Coonse, PE / September 10, 2018
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Freddie Mac Ground Shoring FM6

First driven soil nail wall is allowed in Fairfax County, VA

By Jeffrey W. Coonse, PE / October 4, 2017

For the Freddie Mac Expansion project in McLean, VA, L.F. Jennings (G.C.) selected Subsurface Construction to design and install the ground shoring system around the perimeter of the site. Fairfax County has a shoring geotechnical review board with strict guidelines for allowable soil properties used in shoring design.  We were informed by the project geotechnical…

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