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EVANS, COLBAUGH & ASSOCIATES, INC. (ECA) is a consulting firm which, for 25 years, has provided geotechnical engineering services in the applied earth sciences with emphasis on the two essential elements in consulting - integrity and quality.
ECA is committed to maintaining a comparatively small, efficient organization which continues that tradition; quality work with integrity. ECA has well qualified experience, either in-house or teaming with other consultants, in the following areas to offer proficient advice. Mr. Colbaugh (resume at the following link) is licensed in three states: California (Civil Engineer 29063, Geotechnical Engineer 228), Arizona (Civil Engineer 39373), and Nevada (Civil Engineer 16086). GEOLOGICAL & GEOTECHNICAL INVESTIGATIONS
FORENSIC INVESTIGATIONS
LITIGATION SUPPORT
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GEOTECHNICAL INSTRUMENTATION
- Landslide Movement
- Ground Settlement
- Ground Water Flow
- Lateral and Vertical Deformation
- Structural Deformation
CONSTRUCTION
- Observation and Testing of Earthwork
- Analysis of Temporary Slopes during Construction
- Underpinning
- Caisson / Tie Back Structures