B 20 Conduit Philadelphia Navy Yard

Helical Piles were installed to support pile caps for an electrical duct bank. Helicals were required for a vibration free install and small mobilization/laydown area.

Project Summary:

  • Helical Pile Type: 3.5″ .216
  • # of Helical Piles: 102
  • Location: Philadelphia, PA
  • Installation Depth: 35′ to 50′
  • Equipment Used: Catapiller 312 with a 20K drive head and a digital torque Indicator.
  • Challenge/Unique Aspect: The Electrical contractor was able to work along side the helical installer who mobilized with small equipment eliminating vibration concerns while reducing installion time.
  • Engineer/Architect: Burns Engineering
  • General Contractor: Miller Brothers