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.
- 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.