The most exciting time of your project is when all the hard work of planning, permitting, and design results in construction. Good planning sets the stage for quality construction. But to ensure design intent is achieved and the project fit for purpose, you need a highly skilled set of field personnel. We provide well-qualified, experienced program managers, engineers, contract administrators, estimators, schedulers, inspectors, and technicians.


  • Civil
  • Structural
  • Mechanical
  • Electrical
  • Geology and geotechnical
  • Environmental
  • Licensing


  • Tunnels
  • Dams
  • Bridges
  • Roads
  • Fish passages
  • Pipelines
  • Inlet and outlet structures
  • Gates
  • Powerhouses


  • Resident engineering
  • Inspection and monitoring
  • Project controls
  • Scheduling
  • Estimating
  • Contract administration
  • Change and claims management
  • Risk assessments
  • Constructability and biddability reviews
  • Contract document reviews
  • Project delivery method

Key Contacts

Joel Q. Kantola, PE

Principal / Tunnels and Underground

Rosa M. Castro-Krawiec, PE

Principal / Tunnels and Underground

Stephen M. Njoloma, PE

Principal / Tunnels and Underground

Jennifer A. Jordan, PE

Principal / Tunnels and Underground