Sebastien Bonnart

Construction Inspector

Portland Office

A Construction Inspector at inici group, Mr. Bonnart utilizes his 18 years of experience in geotechnical inspection, construction inspection, engineering, material testing, construction monitoring, and special inspection to offer our clients the hands-on knowledge and expertise needed to identify and resolve issues on the construction site.

In his role as Construction Inspector, Sebastien is responsible for inspecting and reporting on every phase of the construction process, from groundbreaking to final close, including but not limited to civil, structural, building, earthwork, geotechnical, and safety.  He ensures that all contract documents represented by working drawings and specifications are properly executed by the contractor, and he establishes and maintains professional relationships with the design team, inspectors, and others to facilitate efficient and effective communication.  Sebastien’s background includes working for a large general contractor, the Federal Highway Administration, and several engineering consulting firms.

  • Bachelor of Science in Mining Engineering, with a minor in business administration, Colorado School of Mines
  • CDT, Drilled Shaft, General Inspector, CAT 1 Asphalt Technician: ODOT (expired)
  • Reinforced Concrete and Masonry: ICC (expired)
  • CAT 1 Asphalt and Concrete Technician: CDOT (expired)
  • MSHA Training (expired)


Sebastien has served in a variety of roles including field engineer, field inspector, construction inspector, construction monitor, and trainer for a wide variety of projects.  His experience includes work on the following:

  • Port of Portland, Runway 3-21 Stormwater Infrastructure & Pavement Improvements | Portland, Oregon
  • Port of Portland, Taxiway B Center & Exits Rehabilitation | Portland, Oregon
  • Port of Portland, South Airfield Taxiway Improvements, Taxiway E (South), Taxiway F and Air Trans Center Phase II | Portland, Oregon
  • National Infrastructure Development Company (NIDCO), Sir Solomon Hochoy Highway Extension project | Trinidad, West Indies
  • Panama Canal Authority, Panama Canal Expansion, Borinquen Dam 1E Project (PAC-4) | Panama City, Panama
  • US Army Corp of Engineers, Fern Ridge Dam, Quality Assurance Services | Eugene, Oregon
  • Department of Veterans Affairs, Willamette National Cemetery, Crypt Field Installation | Portland, Oregon
  • ODOT/YRC – Highway 20 Realignment, Construction Support Services | Pioneer mountain to Eddyville, Oregon
  • Georgia Pacific, Warehouse Building & Market Pulp Expansion Mezzanine & Bale Storage | Halsey, Oregon
  • TriMet South Corridor LRT Project, I-205 Segment & Portland Mall Segment | Portland, Oregon
  • TriMet Streetcar Project, OMSI Viaduct Segment Construction Support Services | Portland, Oregon
  • Port of Vancouver, BHP Billiton Potash Terminal | Vancouver, Washington
  • Boise Cascade, Equipment Addition, Electrostatic Precipitator Unit | Wallula, Washington
  • OBEC Consulting Engineers, Various ODOT/FHWA Funded Road Projects | Oregon
  • CDOT Highway Interchange & Widening, Interstate 255 and Parker Road | Denver, Colorado
  • Port of Vancouver, Material Handling Modification, Great Western Malting | Vancouver, Washington
  • Georgia Pacific, Paper Machine Building | Wauna, Oregon
  • NW Geotech, Various Commercial & Residential Projects | Portland, Oregon
  • Denver International Airport Runway Expansion | Denver, Colorado
  • Freeport-McMoRan Copper Mine, Emergency Heap Leach Pad Slide Repair | Safford, Arizona