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<br /> ..... <br /> ~ <br /> ~ .. <br /> . ~.-... <br /> SHORT-ELLIOTT-HENDRICKSON, INC. <br /> SRN CONSULTING ENGINEERS <br /> ST, PAUL. MINNESOTA 0 CHIPPEWA FALLS. WISCONSIN <br /> ; . <br /> March 26, 1987 RE: ARDEN HILLS, MINNESOTA <br /> GLENVIEW AVENUE <br /> STORM SEWER <br /> SEH FILE: 87042 <br /> City of Arden Hills <br /> 1450 W. Highway 96 <br /> Arden Hills, MN 55112 <br /> As requested, we have investigated the storm sewers near the <br /> intersection of Glenview Avenue and Glenview Court as shown on <br /> the attached drawing. This action was initiated by the Council <br /> at the request of the Caniffs, whose property is located in the <br /> northeast portion of this intersection. According to the <br /> CaniffS, water ponds in the street during heavy rains. <br /> Apparently water ponds in the intersection to an elevation that <br /> . results in overflows and drainage across their property. <br /> The Glenview Avenue storm sewer was constructed around 1961. <br /> Except the 18" c;:orrugated metal pipe (CMP) outlet in Valentine <br /> Park, the storm sewers draining Glenview Avenue are reinforced <br /> concrete pipe (RCP) . The 24" RCP pipe along the east side of <br /> Glenview Avenue from the lowest point on Glenview (about the <br /> middle of the Caniff's property) was connected to an 18" CMP that <br /> drains east along Caniff's north property line. Pipe bends were <br /> apparently installed at this connection instead of a manhole <br /> structure. Therefore direct access to this connection point for <br /> inspection cannot be made. <br /> The Glenview Avenue storm sewer system was designed for runoff <br /> flows from a 5 year storm event. <br /> In a June 6, 1979 report it was recognized that some relief of <br /> the drainage problem could be achieved by replacing the 18" CMP <br /> outlet with a larger capacity concrete pipe and by installing <br /> high capacity catch baSins at the low point on Glenview Avenue <br /> and the two catch basins southwest of Glenview Court. Additional <br /> protection from flooding could be provided by constructing a <br /> bermed drainage swale behind the curb. The bermed drainage swale <br /> would extend from the low point to the property line then east <br /> along the north property line to Valentine Park. The bermed <br /> swale could be constructed during the storm sewer construction. <br /> A small berm should also be constructed as shown on the attached <br /> . drawing. This berm would reduce the potential for water from <br /> jumping curb and draining across the Caniff's property. <br /> 200 GOPHER BUILDINCo222 EAST LITTLE CANADA ROADosr, PAUL, MINNESOTA 55117opHONE (612) 484-0272 <br />