256 North 9th Load Test


Date: 10/1/2019


Due to NYC D.O.B regulations, a load test was required.

Project Summary:

  • Helical Pile Type: RS4500.337
  • # of Helical Piles: 1 test pile 30 production piles
  • Location: Williamsburg, NY
  • Installation Depth: 65′
  • Ultimate Pile Capacity: 120 kips
  • Equipment Used: Komatsu PC138,20k 2 speed drive head and digital torque indicator
  • Challenge/Unique Aspect: With the engineers permission, custom tension brackets were made for the production piles, allowing the contractor to use them as reaction piles for the test. Once the test was completed, the contractor backed out the helicals and reused them as production piles. Helical screw piles can be uninstalled as easily as they are installed and reused or repurposed.
  • General Contractor: Tank Dock Builders