Bitter Lake Reservoir construction and replacement
Bitter Lake Reservoir Improvements, Solicitation 195851, issued by City of Seattle.
At a glance
Seattle Public Works is seeking a contractor to build a new 21-million-gallon prestressed concrete water reservoir to replace the existing earthen dam reservoir at Bitter Lake. The project includes civil, structural, mechanical, electrical, instrumentation, landscaping, and traffic control work, with an engineer's estimate of $57.7 million.
Key facts
- Issuing agency
- City of Seattle
- Solicitation number
- 195851
- Type
- purchase
- Posted
- Sep 5, 2025
- Response deadline
- Oct 15, 2025, 5:00 PM EDT
- Place of performance
- King County, WA
Official description
Solicitation #PW#2024-044. Issued by Public Works. Project Description: This project consists of the following elements of work: Construct a new partially buried 21-million-gallon concrete prestressed water reservoir to replace the existing concrete lined earthen dam water reservoir which has a floating cover. Types of work include civil, landscaping, structural, mechanical, electrical, instrumentation and controls, process and controls, erosion control and tree protection, and traffic control. Engineer's Estimate: $57,700,000 (before tax) Project Location: This project is within the SPU-owned Bitter Lake Reservoir property at Linden Ave. N. and N 143rd St., Seattle, WA.
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