Geotechnical Engineering

Geotechnical Engineering

Joel Plumley, P.E., President of Plumley Engineering, has over 35 years practicing geotechnical engineering and hydrogeology.  Mr. Plumley worked for a large geotechnical firm (Dames and Moore) and a drilling company (Parratt-Wolff) prior to forming Plumley Engineering in the mid 1980’s.

The firm has other engineers well versed in the geo-sciences, and two very experienced geologists.


Services include providing geotechnical site investigations and designs for:

Foundation Investigation & Recommendations

Foundation Design

Soil Improvements & Modification

Slope Stability Analysis

Engineered Fills

Engineered Excavations

Waterfront Structure Design

Mining Permits

Retaining Wall Design

Dewatering Systems

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