Lyman Henn has provided geotechnical engineering services for a wide range of heavy civil engineering projects throughout the United States.  We have worked extensively in swelling soils and rock, collapsible soils, and sedimentary rock formations in the Denver basin, and hard rock/talus/colluvial soil environments that characterize the mountainous sections of the State. 

Geotechnical Engineering Services

• Subsurface Investigations

• Geotechnical Analysis and Recommendations

• Foundations Design
• Ground Improvement and Modifications

• Geotechnical Instrumentation

[ALPINE/ROCK/LANDSLIDE QUALIFICATION]