Carolyn S. Decker, P.E.
President/Principal Geotechnical Engineer

Carolyn S. Decker, P.E.Carolyn S. Decker, P.E. has a Bachelor of Science Degree in Civil Engineering from Gonzaga University. Ms. Decker is the President of Terra Associates, Inc. and has over 20 years of geotechnical engineering experience and has provided construction and design recommendations for virtually all types of civil projects. She has conducted studies for large commercial, industrial and residential projects, high rise structures with several levels of below grade parking, landslides, mine reclamation, groundwater, and many others.

Ms. Decker is responsible for the day to day business operations, new project acquisition and contributes her technical expertise and project management skills to current projects addressing geologic hazard areas, shallow and deep foundation design, subsurface drainage, slope stability and stabilization, erosion control, retaining structures, temporary and permanent shoring, excavations, infiltration, and groundwater.

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Terra Associates, Inc.
12220 113th Avenue NE, Suite 130, Kirkland, Washington 98034
Phone: 425.821.7777