9 West End Road


Date: 10/1/2019


A new home was being constructed in Old Lyme, Connecticut. Slab on grade was not permitted due to weak soils and timber piles raised vibration concerns for neighboring homes.

Project Summary:

  • Helical Pile Type: 2 7/8″ .203 wall
  • # of Helical Piles: 27
  • Location: Old Lyme, CT
  • Installation Depth: 35′
  • Ultimate Pile Capacity: 45 kips
  • Equipment Used: Cat 305, 12K Drive Head, Marian Torque Indicator
  • Challenge/Unique Aspect: Due to the close proximity of neighboring structures, the owner did not want to use timber piles. in addition to the vibration issue, driven piles also incurred higher mobilization cost.