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Heavy Civil General Contractor/Construction Manager Services for South Treatment Plant Influent Pump Station Upgrades

5/8/2025
$18,300,000 (excluding sales tax)
Renton, WA

King County

The buyer is seeking a Heavy Civil General Contractor/Construction Manager for upgrades to the South Treatment Plant Influent Pump Station. The project includes recoating the division channel, replacing a raw sewage pump, and performing seismic upgrades. The contractor will provide preconstruction services and construction management using the GC/CM delivery method. The project aims to repair aging infrastructure and improve seismic resiliency at an operating wastewater treatment facility.

  • 4/15/2025 - Pre-Proposal Conference
  • 4/17/2025 - Site Tours
  • 4/22/2025 - Individual Proposer Meetings
  • 5/8/2025 - Proposal Due Date
  • 9/29/2025 - Preconstruction Notice to Proceed
  • 2/2/2026 - Construction Begins
  • 7/30/2029 - Construction Complete
Refer to RFP
  • Provide preconstruction services including early scope development and estimating
  • Perform constructability reviews and value engineering recommendations
  • Manage subcontractor and supplier buyout
  • Self-perform portions of the construction work
  • Provide project scheduling and cost estimating
  • Coordinate with plant operations staff
  • Implement safety program and manage site safety
  • Administer Community Workforce Agreement
  • Manage MBE and WBE participation and mentorship
  • Perform seismic upgrades to influent pump station