An elevated environmental walkway was being built on an island off the Schuylkill river. Helical piles were used due to weak weight of hammer material and the isolated location.
- Helical Pile Type: ss5
- # of Helical Piles: 163
- Location: Philadelphia, PA
- Installation Depth: 25-30 ft
- Challenge/Unique Aspect: inability to get the required torque and hitting bedrock.