Project Details

DDF was asked to provide a solution after another shoring system was installed by others and failed badly. The failed system was surrounded by sheet pile shoring, and then removed by DDF, allowing for further excavation inside the shoring and the successful installation of an underground storage tank inside the NSL Tesoro Refinery.

  • General Contractor: IPWI – Jason Bleak
  • Shoring Design: GEOSYS Design
  • Work Description: 3,420 SF of temporary shoring – 18’ deep fully enclosed
  • Completion: November 2012

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