Inland Pacific Engineering Company (IPEC) is a geotechnical engineering consulting firm located in Spokane Valley, Washington providing services to eastern Washington, north Idaho, and western Montana. We provide our clients with cost-effective, realistic and reasonable long-term solutions to address subsurface conditions. We accomplish this goal through effective communication with our clients along with three decades of engineering experience.

IPEC is operated by Mr. Paul T. Nelson, P.E. Mr. Nelson has over 30 years of extensive geotechnical engineering experience. His management and engineering consulting services have been utilized on a wide variety of projects from small to large buildings, major highway reconstruction, bridge foundation design, dam rehabilitation and housing developments. He has many years of experience in managing geotechnical projects involving soil borings, engineering recommendations, earthwork observations during construction and supervising engineering assistants and technicians during construction testing phases of projects.


Our Mission

To provide our clients with cost-effective, realistic and reasonable long-term solutions to address subsurface conditions. We accomplish this goal through effective communication with our clients along with three decades of engineering experience.

Services Offered

Subsurface Exploration • Shallow Foundation Analysis • Deep Foundation Analysis • Slope Stability Analysis • Soft Ground Engineering • Retaining Wall Design • Reinforced Slope Design • Pavement Section Design • Landslide Remediation • Seepage Evaluation for Dams and Levees • Shoring Design • Underpinning Design • Stormwater Management Evaluation

Contact Us

Paul T. Nelson, P.E.
Principal Engineer

Inland Pacific Engineering Company
Geotechnical Engineering and Consulting

PO Box 1566
Veradale, WA 99037

Phone: (509) 209-6262

Fax: (509) 290-5734

E: pauln@ipengco.com