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<br />Comprehensive Sanitary Sewer Plan <br />City of Arden Hills, MN <br />WSB Project No. 3455-20 Page 19 <br />The City has several programs in place to both identify and reduce I/I and has completed <br />projects nearly every year since 2007 to that end. A summary of these I/I reduction projects and <br />their costs, as known, is given in Table 12. <br />Table 12. I/I Reduction Activities <br />Year Project Cost <br />(if known) <br />2007 I/I Investigation, <br />I/I Study by Bonestroo <br />2008 <br />Flow monitoring, smoke testing, televising, <br />lift station pump calibration <br />Manhole Rehabilitation Project <br />Sewer Lining Project <br />2009 <br />Sump pump inspections, manhole inspections, <br />televising <br />Manhole Rehabilitation Project <br />Sewer Lining Project $82,989.50 <br />2010 <br />Sump pump inspections, manhole inspections <br />Sewer Lining & Replacement Project <br />(chimney seals) $111,765.00 <br />2011 Sump pump inspections <br />Sewer Lining Project $399,444.50 <br />2012 Grant applications for 2013 <br />2013 Sewer Lining Project $625,526.05 <br />2014 Grant applications for 2015 <br />2015 Sewer Lining Project $507,465.50 <br />2017 Sewer Lining Project Est. $260,000.00 <br />2018 Street & Utility Project <br />(sewer lining and spot repairs) TBD <br />The City has ongoing reviews of flows and discussions with consulting engineers to develop the <br />next stage of improvement plans. As noted above, project areas have been identified for 2017 <br />and 2018. Significant improvements have been made over the last ten years, and the City of <br />Arden Hills remains committed to identifying and eliminating sources of I/I in its sanitary sewer <br />system. <br /> <br />Dr <br />a <br />f <br />t <br /> <br />11 <br />/ <br />2 <br />0 <br />/ <br />2 <br />0 <br />1 <br />7