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2011_0418_Packet_amended
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2011_0418_Packet_amended
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1/6/2012 2:40:37 PM
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Metropolitan Council Environmental Services <br />Municipal Infiltration/ Inflow Grant Program <br />City of Roseville Application <br />I W 11'01 17:101F61,81m, U=- <br />11 F <br />L-J-�JTfrq ! 7111,1PI, i <br />The City of Roseville's proposed project includes. multiple tasks: manhole <br />-.-rehabilitation and sanitary sewer main lining. The attached map shows the City'g, <br />* 4tary sewer systemandthelocations of the proposed work. <br />^ani <br />Due to the age of the City's infrastructure, many manholes still have castings with <br />*pen pick holes. Many structures also have adjusting rings that have <br />Ieteriorated. Both of these deficiencies are susceptible to 1/1. <br />The tasks associated with manhole rehabilitation will be to replace casting cover:� <br />that have open pick holes with covers that have concealed pick holes, and to <br />W <br />install internal seals on structures with leaking or deteriorated adJusting rings to <br />eliminate infiltration entering into the manhole. I <br />Sanitary Sewer <br />As a part of the City's sanitary sewer maintenance program, main lines are <br />cleaned and televised on a regular basis. Televising reports generally note <br />deterioration and deficiencies in the vitrified clay pipe, which is over 50 years old <br />These deficiencies include leaking and offset joints, cracks, mineral deposits, anli <br />'d <br />
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