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Tumwater committee recommends council consider $474,416 sewer plan update by Corollo Engineers
Summary
Staff proposed hiring Corollo Engineers to update Tumwater’s 2025 sanitary sewer comprehensive plan, including a hydraulic model, infiltration/inflow analysis and a 5‑year rate schedule; committee moved the $474,416 contract to the Dec. 2 consent calendar.
The Public Works Committee on Nov. 20 agreed to place a service provider agreement with Corollo Engineers on the Dec. 2 Tumwater City Council consent calendar to perform a 2025 sanitary sewer comprehensive plan update.
Patrick Soderberg, program manager for water resources and sustainability, said the work will meet a state requirement to update the sewer plan, build a…
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