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CITY COUNCIL <br /> AGENDA ITEM 5A <br /> STAFF ORIGINATOR: Michael Grochala, Community Development Director <br /> C. C. MEETING DATE: August 22, 2022 <br /> TOPIC: Consider Resolution 22-91, Authorize the Preparation of Plans <br /> and Specs, Water Treatment Plant No. 1 <br /> VOTE REQUIRED: 3/5 <br /> INTRODUCTION <br /> Staff is requesting Council authorization to prepare plans and specifications for the construction <br /> of a Water Treatment Plant No. 1. <br /> BACKGROUND <br /> In 2019,the Minnesota Department of Health tested the City's manganese levels in each of the <br /> City's wells as part of the EPA Unregulated Contaminant Monitoring Rule 4 (UCMR4). The <br /> water quality testing data from MDH indicated that five of the City's six wells exceed the <br /> maximum recommended manganese level for infants, and three of the wells exceeds the <br /> maximum recommend level for adults and children. <br /> Since that time the City has completed a Water Treatment Plant feasibility study and a Pilot <br /> Study to address treatment options and identify a preferred plant design. The studies <br /> recommended the construction of a conventional gravity filtration system using biological <br /> filtration with an initial treatment capacity of 6,000 gallons per minute (gpm) is recommended. <br /> As discussed at the August 1, 2022 City Council Work Session, WSB and Associates have <br /> submitted a proposal for Design, Bidding and Construction for the amount of$1,447,730 (6.89% <br /> of preliminary estimated construction cost) as follows: <br /> Design: $696,940 <br /> Bidding: $19,021 <br /> Construction Admin, Const. Observation and Plant Startup: $731,769 <br /> Total 1.447.730 <br /> The design fee includes engineering, architectural, mechanical and electric design on the plant <br /> and treatment system as well as design of new raw water mains to connect wells, 1, 3, 5, 6 to the <br /> site. Staff is proposing authorization to complete plans and specifications at this time. The <br /> bidding, construction admin and plant startup components came be authorized at a future date, <br /> should the City move forward with construction. <br />