Irvington Village

Irvington Village

Saving Money in the Foundation: Geopier versus traditional pile system in poor soil conditions

This five-story, low-income assisted living facility offers 104 studio and one-bedroom apartments in Portland.  DCI Engineers provided structural design services for the facility, and coordinated closely with the entire design team to find cost-saving solutions.

Project Highlights

  • Totals 69,700-sf and contains 104 studio and one-bedroom units, as well as a library, meeting rooms, and a secure central courtyard.
  • Post-tensioned concrete slab was chosen for its quality, economics, and ability to provide open common space on the lower floor.
  • Poor soil conditions on the site mandated the use of a geopier foundation system, which utilized compacted gravel columns to support conventional spread footings.
Location: 
Portland, Oregon
Square Feet: 
69,700-SF
Stories: 
5
Primary Material: 
Concrete
Type: 
Structural
Sector: 
Residential

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