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St. Helens Reservoir Siting Study
3/25/2025
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St. Helens, Oregon
City of St. Helens
The buyer seeks proposals for a comprehensive study to determine the most suitable site for a new 5-million-gallon water storage reservoir. The study will evaluate potential locations based on multiple criteria including hydraulics, geotechnical conditions, environmental impacts, constructability, and costs. The selected consultant will assess sites, engage stakeholders, and recommend the optimal location for the new reservoir to meet current and future water storage needs.
- 2/26/2025 - RFP Issued
- 3/21/2025 - Last Addendum Issued
- 3/25/2025 - Proposal Due Date
- 4/14/2025 - Notice of Intent to Award
- 5/7/2025 - Award of Contract
- 7/1/2025 - Notice to Proceed
Refer to RFP
- Assess potential reservoir locations based on system hydraulics
- Evaluate subsurface and soil conditions at potential sites
- Analyze environmental impacts and regulations for each location
- Assess site constraints and constructability
- Evaluate site adjacencies and aesthetics
- Estimate construction costs for potential locations
- Conduct geotechnical analysis and seismic hazard assessment
- Perform hydraulic modeling of water system
- Engage with stakeholders and conduct public outreach
- Prepare technical memorandum with site recommendations