09-25-2013 Council Agenda - Laserfiche WebLink

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3.43 Drainage Area 4 — 2.16 Acres Drainage area 4 represents the eastern half of Viking Drive and the surrounding residential properties. Runoff in this area will continue to flow to the east end of Viking Drive where it discharges directly into the MnDOT ditch system along Highway 36. The following improvements are proposed within Drainage area 4. • Extend storm sewer piping and catch basins to the intersection of Viking Drive and Arkwright Street to relieve an existing drainage issue at this intersection. • Construct an underground infiltration system and boulevard rain gardens to reduce the amount of runoff and improve it's quality prior to discharge. 3.44 Drainage Area 5 — 7.73 Acres Drainage area 5 represents all of Desoto Street along with the majority of the surrounding properties. Runoff in this area will continue to flow to the north and ultimately be discharged into the MnDOT ditch system along Highway 36. The following improvements are proposed within Drainage area 5. • Extend storm sewer piping and catch basins to the intersection of DeSoto Street and Laurie road to improve drainage at this intersection. • Construct a bio- filtration basin in the existing right -of -way north of the intersection at Lark Avenue and DeSoto Street to improve water quality prior to discharge into the MnDOT ditch system along Highway 36. • Construct an underground infiltration system and boulevard rain gardens to reduce the amount of runoff and improve it's quality prior to discharge. 3.45 Drainage Area 6 — 12.73 Acres Drainage Area 6 represents all of Burr Street, Hendry Place, Highway Drive, and approximately half of Sunrise Drive. Runoff in this area will continue to flow northwest and ultimately be discharged into the MnDOT ditch system along Highway 36. The following improvements are proposed within Drainage area 6. • Extend storm sewer piping and catch basins along Burr Street, Highway Drive, and Hendry Place to improve drainage on these streets. • Construct a bio- filtration basin in the existing right -of -way north of the intersection at Burr Street and Highway Drive to improve water quality prior to discharge into the MnDOT ditch system along Highway 36. • Construct underground infiltration systems and boulevard rain gardens to reduce the amount of runoff and improve it's quality prior to discharge. 3.46 Drainage Area 7 - 4.47 Acres Drainage Area 7 represents the southernmost portions of Sunrise Drive along with the surrounding residential properties. Runoff in this area will continue to flow south where it will be captured by proposed storm sewer near the intersection of County Road B and Sunrise Drive. Runoff would continue to be conveyed to the east, through a series of existing pipes, to the pond at the northeast corner of Edgerton Street and County Road B. The following improvements are proposed within Drainage area 7. • Extend storm sewer piping and catch basins north along Sunrise Drive to improve drainage at the intersection with County Road B. 17 27