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Reported | 06/16/2022 09:23 AM |
Project Title | Water & Resource Recovery Center - Struvite Control System - City of Dubuque |
Physical Address | View project details and contacts |
City, State (County) | Dubuque, IA 52003 (Dubuque County) |
Category(s) | Sewer and Water |
Sub-Category(s) | Water Treatment Plant |
Contracting Method | Competitive Bids. |
Project Status | Conceptual Design, Construction Start Expected March 2025 |
Bids Due | View project details and contacts |
Estimated Value | $960,000 |
Plans Available from | |
Owner | View project details and contacts |
Architect | View project details and contacts |
Description | Renovation of a water / sewer project in Dubuque, Iowa. Conceptual plans call for the renovation of a water / sewer project. The Struvite Control System reduces buildup of struvite, also known as magnesium ammonium phosphate, a mineralization formed during the anerobic digestion process. Struvite is currently causing process challenges where it precipitates inside of pipes, pumps, and heat exchangers. This buildup reduces flowrates and heat transfer efficiencies, and also causes excessive wear of pumps and seals. This project provides equipment for the controlled dosing of iron salts to the digesters. The iron salts bind with phosphorus, reducing the precipitation of struvite in or on digestion equipment. Project cost is estimated at $1,000,000 (2021 dollars). This project is in included in the City of Dubuque FY 2023-2028 Capital Improvement Plan (CIP). As of June 15, 2022, further details regarding design and construction have not been identified. *Project information has been obtained through a public capital improvement plan (CIP). A CIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the CIP often evolves based on funding availability and the project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available. |
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Details | Water Treatment Plant, Renovation.
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Project Documents |
Engineered Spec Sheet Architectural Plans Other Documents |