Areas of Expertise Foundation and Retaining Walls

City of Kelso Landslide Repair (500 Block N 16th Ave.) - Kelso, WA

• Repair of landslide along the roadway in residential area traversing a steep hill.
• Conceptual and final structural engineering design services
• Evaluation of cost and viable repair options and wall types.
• Recommendation of wall system that would:
  • Provide less disruption to residents
  • Can be constructed without inducing future landslide
  • Requires minimal construction time as this is an active landslide
• Final design solution - 25 ft. x 110 ft. concrete cylinder pile/secant wall with timber lagging.
• Engineering during construction.