Mr. Hupy is a geotechnical consultant with nearly 25 years of expertise in the Pacific Northwest preforming a wide range of roles. His work has included projects in the commercial and industrial sectors, rail bridge foundations, highway pavement design, landslides, and moderate to large sized residential projects. He has managed projects for TriMet, the Oregon Department of Transportation, Washington County, the City of Lake Oswego, the City of Hillsboro, and other metropolitan municipalities.
Mr. Gentry has over 20 years of geotechnical engineering experience. His professional background consists of a wide range of geotechnical design experience on projects that include energy infrastructure, port facilities, industrial facilities, transportation infrastructure and multi-story buildings. Mr. Gentry currently serves as technical lead for GCN, providing risk assessment and technical review among his other duties.
Mr. Gentry most recently worked as the primary internal technical consultant for Seismic Site Analysis/Evaluation and Deep Foundation Design for a large national firm. His position provided an opportunity to gain nationwide experience on large scale projects. His work included extensive regulatory and peer review.
Mr. Rankin has over 20 years of geotechnical and environmental experience in the Pacific Northwest working for firms ranging in size from 3 to 50,000 employees. David's geotechnical experience includes due-diligence feasibility, design and construction for multi-story offices, warehouses, multi-family, homes, bridges/roads, pipelines, high voltage transmission/generation, wind power and dams/reservoirs. His geologic experience includes city/county/state planning for and site-specific assessment of natural hazards including landslides and coastal/stream erosion. His environmental experience includes due diligence development feasibility, characterization of soil/groundwater and building materials (incl. indoor air), remediation, regulatory "no further action", well head protection and regulatory compliance.
Mr. Rankin managed contracts with METRO, City of Portland (Water, Bureau of Environmental Services and Portland Bureau of Transportation) and Portland Development Commission. He is currently focused on private, industrial, commercial, agricultural and mixed use ownership and redevelopment on urban, suburban, industrial, agricultural and forest lands.
Senior Engineering Technician
Mr. Pendell has been working in the geotechnical field for nearly 30 years, starting as a field technician for Squier Associates in 1989. He earned a Bachelor of Science degree from Oregon Institute of Technology in 1994. His project involvement includes the full range of Geotechnical Special Inspections including placement and testing of structural fill, underground utility backfill, soldier pile and soil nail retaining wall construction, micro pile installation, soil amendment operations, site exploration, and infiltration testing. His work has also included field stress testing of anchors and piling.
Ms. Carlson has worked in the geotechnical industry for nearly 20 years. She earned a Bachelor of Science degree in Geology from Portland State University in 2000. Her work has included geotechnical and environmental site investigations, environments site assessment, geologic hazard evaluation, and Geotechnical Special Inspection. She plays an integral role in GCN's work, employing her extensive knowledge of both the technical and business aspects of our geotechnical practice. She plays a key role in project management and administrative services.
Tanner joined our firm in the Fall of 2018 and possesses four years experience with environmental and geotechnical projects in the private and public sector. Project experience includes Phase I and II site investigations, high-resolution site characterization, dynamic pile driving analysis, geotechnical subsurface investigations, landslide remediation, slope stability monitoring, and residential development. He has worked in Oregon, Washington, Idaho, Montana, and North Dakota.
Registered Engineering Intern and Geologist In Training in the State of Oregon. He has a B.S. in Geological Engineering from the University of North Dakota. He is currently enrolled at Portland State University pursuing an M.S. in Geotechnical Engineering.