Dewar Street

A substation was adding a large generator to its complex and needed a deep foundation to support the generator pad. Helicals were selected as they can be used in tension and compression and mitigate or eliminate site and safety concerns.

Project Summary:

  • Helical Pile Type: 1.75″ square shaft grouted helical micropiles
  • # of Helical Piles: 60
  • Location: Dorchester, MA
  • Installation Depth: 75′
  • Ultimate Pile Capacity: 90 Kips
  • Equipment Used: Volvo Excavator, Digital Torque Indicator, cement mixer
  • Challenge/Unique Aspect: Soft, expansive clay soils, required a deep foundation system. Site and safety concerns made helicals the logical choice.
  • Engineer/Architect: Mcphail Associates
  • General Contractor: Bond Brothers