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UIC5 AGENDA ITEM 3D Thresher Square 700 Third Street South Minneapolis,MN 55415 Phone: (612)370-0700 Fax: (612)370-1378 To: Michelle Wolfe/Arden Hills File: 31809367 City Administrator From: Gregory S.Brown Arden Hills City Engineer Date: December 19, 2005 Subject: Lift Station#7 Memorandum of Understanding with Presbyterian Homes Background The City of Arden Hills upgraded Lift Station#7 in 2004 with a submersible pump system as a part of the systematic upgrade of the city's lift station network. Lift Station#7 is located on an easement within Presbyterian Homes property adjacent to Lake Johanna.The lift station primarily serves Presbyterian Homes and a few residences along Sandeen Road. City maintenance staff had spent an increasing amount of labor over the past few years manually removing significant amounts of fabric materials(clothes, rags,towels)from the pumps at Lift Station 7 to keep them operating properly. The City approached Presbyterian Homes earlier this year to discuss the problem and develop potential solutions.The solution agreed to by Presbyterian Homes engineer and City staff included the installation of pumps with ability to chop or shred materials moving through the station. Presbyterian Homes purchased two chopper pumps and salvaged the existing pumps(one year old)for future use by the city(planned for Lift Station#1). The station has been operating with normal maintenance effort since the chopper pumps were installed this past summer. Memorandum of Understanding The attached Memorandum of Understanding formalizes the responsibilities for Presbyterian Homes and the City regarding Lift Station#7 pumping equipment. The agreement requires Presbyterian Homes to purchase the two chopper pumps and a spare parts kit(this was accomplished last summer). The City is responsible to perform normal maintenance and operation of the station. In the future,when the chopper pumps require replacement due to age or condition,Presbyterian Homes will reimburse the City for the incremental cost of chopper pumps over standard 5HP sewage pumps at that time. The chopper pumps currently cost approximately$9,000 more per pump than standard 5HP sewage pumps. Recommendation The Arden Hills City Engineer,City Administrator and City Attorney have reviewed the language in the Memorandum of Understanding and recommend that the Council authorize the execution of the MOU at the next Council meeting.