City of Portland – Hollywood-Grant Park Sewer Rehabilitation Project

The Hollywood-Grant Park Sewer Rehabilitation Project involved the repair and rehabilitation, and new construction of combination sewer, manholes, inlets, and service laterals in N.E. Portland near Hollywood, Grant Park, Rose City Park, Alameda, and Beaumont-Wilshire. Work shall include, but not be limited to:

  • Construct, maintain, and remove temporary work zone traffic control measures.
  • Construct, maintain, and remove erosion control measures.
  • Construct, maintain, and remove temporary diversion of flow.
  • Construct drainage system including sewer pipes, service laterals, manholes, and inlets.
  • Rehabilitate sewer pipes using open-cut (9,700 LF of 6” PVC; 10,100 LF of 12” VCP; 3,500 LF of 15” VCP; 2,000 LF of 18” VCP; and 320 LF of 21” VCP).
  • Rehabilitate sewer pipes using pipe bursting (70 LF of 8” HDPE; 250 LF of 10” HDPE; and 860 LF of 12” HDPE).
  • Rehabilitate sewer pipes using cured-in-place-pipe or CIPP (12,400 LF of 8” CIPP Liner; 3,500 LF of 10” CIPP Liner; 2,200 LF of 12” CIPP Liner; 130 LF of 14” CIPP Liner; 870 LF of 16” CIPP Liner; 11 LF of 21” CIPP Liner; 1,200 LF of 24” CIPP Liner; 820 LF of 30” CIPP Liner; and 170 LF of 36” CIPP Liner).
  • Construct 92 EA Mainline Spot Repairs 6” to 21”.
  • Rehabilitate 80 EA manholes.
  • Perform all necessary surface restoration, including paved and unpaved areas.

Owner: City of Portland

Engineer: City of Portland

Location: Portland, Oregon

Completion Date: 2017