DC Clean Rivers Div. 1 – Main Pumping Station

  • Location: Washington, D.C.
  • Owner: DC Water and Sewer Authority
  • General Contractor: Corman Construction
  • Estimated Value: N/A
  • Completion Date: August 2016

Brayman’s scope of work required installation of a secant pile excavation support system comprised of 152-each, 48-inch diameter interconnecting secant piles (12,309-LF) with depths up to 91-feet, as well as installation of 150-each, 18-inch diameter augercast piles for structure foundation support. The secant piles were for incorporation into the final below grade wall systems for the various process structures on the project. Drilling for the secant piles was performed using 1200mm segmental casing.

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