Special DistrictWA
Posted
Oct 15, 2026
Nov 19, 2026
Terminal 4 Pond Polishing System RFP
Retrofit the existing Terminal 4 (T4) pond stormwater treatment system by installing a permanent aboveground stormwater polishing system to treat runoff. Work includes: Installation of a lift station with two submersible pumps, valve vault, CIP concrete equipment pad, and aboveground polishing system; select fence demolition and re-installation; installation of water conveyance piping; excavation and open cut and trenchless trenching and dewatering; connection to existing stormwater infrastructure; site regrading and resurfacing; and electrical improvements.
