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City of <br /> Elk Request for Action <br /> River <br /> To Item Number <br /> Mayor and City Council 8.1 <br /> Agenda Section Meeting Date Prepared by <br /> General Business November 17, 2014 Matt Stevens, Chief Wastewater Operator <br /> Item Description Reviewed by <br /> Wastewater Treatment Plant Expansion Project Suzanne Fischer,Director COD <br /> Reviewed by <br /> Cal Portner, City Administrator <br /> Action Requested <br /> Informational. <br /> Background/Discussion <br /> City Council approved the expansion and upgrade to the Wastewater Treatment Plant in May of 2014 to <br /> increase the facility's capacity for average wet weather flow from 2.2 million gallons to 4.54 million <br /> gallons per day. The project will also increase the facility's ability to meet mandated discharge limits. <br /> On October 6,2014, the MPCA issued the city a Notice to Proceed' and Rice Lake Construction broke <br /> ground on the 700-day project. <br /> Work will include construction of an extended aeration tank, conversion of the existing primary clarifiers <br /> to anaerobic tanks for biological phosphorus removal, removal of existing trickling filters, and <br /> construction of a new extended aeration activated sludge basin. <br /> Other construction work includes removal of the existing final clarifier sludge wet well, construction of a <br /> new sludge lift station and building, and the addition of chlorination and dechlorination equipment. The <br /> existing anaerobic digesters and biosolid storage tanks will be converted to aerobic digesters and storage. <br /> This presentation is the first in a number of updates to Council through the duration of the project. <br /> Financial Impact <br /> N/A <br /> Attachments <br /> ■ N/A <br /> P0WIAEO 0 <br /> Template Updated 4/14 INIM UREI <br />