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B.STORMWATER MANAGEMENT <br />Project Area1 <br />The existing storm sewer system islimited within the project area. There is existing storm <br />sewerpiping and catch basins along Main Street and at the east end of the 2ndStreet cul- <br />de-sac. The majority of the project area has no storm sewer. <br />Without the existence ofconcrete curb and gutter, most drainage occurs along the edge of <br />the pavement, finding its way to catch basins where they exist or flowing overlandto the <br />existing ditch along the rail road right-of-way.The ditch has nooutlet and functions asa <br />dry pond infiltration basin. <br />Project Area2 <br />Storm sewer exists in the south and west segments ofIndustrial Boulevard. Storm sewer <br />main sizes are 27” in the south segment and 24”in the west segment.While the existing <br />piping is considered to be in satisfactory condition, catch basin spacing is not adequate to <br />meet current MSAS requirements. <br />nd <br />The stormwater from 192Court drains west and discharges into the existing county <br />ditch. Thedischarge point to the county ditch has very concentrated flow and riprap has <br />been placedto prevent washouts. There is also minimal grade between theexistingcurb <br />cut and the county ditch. <br />C.SANITARY SEWER <br />Project Area 1 <br />Currently,there are 8-inch gravity sanitary sewer mainsthroughoutthe project area.The <br />older sanitary sewermainsaregenerally vitrified clay pipe (VCP). Aged vitrified clay <br />pipestypically have ahigher infiltration rate than gasketed PVC pipes. The newer <br />sanitary sewer mains within the project areaare 8-inch gasketed PVC pipes.The sanitary <br />7R13.103354 <br />April 2011 <br />