Transportation—Highways

Geotechnical Team Member
Highway Reconstruction
Maine Route 11
T14-15/R6 (Soucy Hill / Hedgehog Mountain), ME

Geotechnical lead for the design for the reconstruction of 5.66-mile section of mountainous highway, including multiple segments on new alignment.

  • Site reconnaissance
  • Multi-phase subsurface exploration program
  • Data compilation & analysis
  • Geotechnical design & construction recommendations
  • Basis of design report

SchonewaldEA retained by MaineDOT (design lead)

Geotechnical Team Member
Slope Failure Mitigation
Parsons Road
Presque Isle, ME

Geotechnical lead for mitigation of failed portion of roadway. Served as design lead through Plan Impacts Complete. For the highway design support services, SchonewaldEA retained CMA Engineers.

  • Site reconnaissance
  • Multi-phase subsurface exploration program
  • Instrumentation data interpretation
  • Data compilation & analysis
  • Mitigation concept development & feasibility evaluation
  • Basis of design report

SchonewaldEA retained by MaineDOT

Geotechnical Team Member
New Interchange Construction
Interstate 95 Trafton Road Interchange
Waterville, ME

Geotechnical lead for design of new interstate interchange.

  • Site reconnaissance
  • Full subsurface exploration program
  • Data compilation & analysis
  • Recommendations for design & construction
  • Basis of design report

SchonewaldEA retained by MaineDOT. Stantec design lead

Geotechnical Team Member
Mitigation of Storm-Damaged Town Road
Gilsum, NH

Geotechnical evaluation completed to support the reconstruction of a section of roadway washed-out by an intense rain event.

  • Subsurface exploration program
  • Evaluated depth to and rock mass character
  • Developed geotechnical recommendations for the design of a retaining wall system anchored to rock
  • Prepared a design memorandum

SchonewaldEA retained by CMA Engineers (design lead, responsible for structural design)

Additional Experience

Additional relevant highway projects for which SchonewaldEA has served as the geotechnical team member or provided significant geotechnical services include the following:

  • Geotechnical Team Member for MaineDOT Highway Projects
    • Route 202 Reconstruction, 3 sections totaling 2.9 miles, Lyman to Gorham, ME with CHA Consulting as design lead
    • Route 4 Reconstruction, 4.42-mile section, Madrid Township-Phillips, ME with Stantec as design lead
    • Route 136 Slope Failure Mitigation, Durham, ME with MaineDOT as design lead
    • Hubbard Road Slope Failure Mitigation, Berwick, ME with MaineDOT as design lead
  • Geotechnical Team Member for Maine Turnpike Authority Projects
    • Slope Stability Evaluation & Mitigation Design, MeTPK (Interstate 95) Exit 75, Auburn, ME with HNTB as design lead
    • Initial pavement distress evaluation and mitigation recommendations, MeTPK (Interstate 95) SB Crosby Yard area, S. Portland, ME. with HNTB as design lead
  • Peer Reviews on behalf of Maine Turnpike Authority
    • Reconstruction of MeTPK York barrier toll plaza, and subsequently the relocation of the toll plaza, York, ME
    • Reconstruction of the MeTPK Exit 44 I-295 interchange and ORT facility and associated ramp widening, Scarborough, ME
    • Preload / instrumentation related to the reconstruction of the MeTPK Exit 63 interchange, Gray, ME (retained by MTA)
  • Field & Laboratory Studies
    • Reconstruction of MeTPK (Interstate 95) Exit 45 interchange and mainline widening through Greater Portland, ME. SchonewaldEA retained by HNTB (design lead)
    • Plaza expansion, MeTPK (Interstate 95) Kennebunk Service Plaza, Kennebunk, ME. SchonewaldEA retained by HNTB (design lead)
  • Municipal Projects
    • Initial geotechnical investigation, Grammar Road Drainage Improvements and Reconstruction, Sanford, ME. SchonewaldEA retained by the City of Sanford.
    • Geotechnical team member, Runaround Pond Road Reconstruction, Durham, ME with T.Y. Lin International (design lead)