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ARDEN HILLS CITY COUNCIL MAY 27, 201413 Assistant City Engineer Anderson indicated that the ditch and culvert were in place before the project began, and that the County and MnDOT were keeping the water runoff the same. Mayor Grant clarified that there was no curb and gutter along the roadway prior to this project. After the project is completed, a great deal of water runoff will be directed to Mr. property as the road has been crowned. He reviewed how the road alignment has changed. He agreed that the ditch was rural-looking and believed it did not belong in Arden Hills. He understood the timing was unfortunate but recommended the Council take action now. Councilmember Holden stated that the City had similar water runoff areas in the City with rain gardens. She indicated that she was willing to pave the area at this time, and fix it later if a problem did arise. Mayor Grant inquired how much the City would spend to correct the problem at a future date. Assistant City Engineer Anderson anticipated that the expense could be less in the future because the City would be paying a premium to change the contract if done before next week. Mayor Grant expressed concern with how water would impact Mr. that if the ditch were to overflow it would run into the yard and into the basement. Councilmember McClung commented that the Council was discussing a theoretical problem that does not currently exist. He trusted thEngineer and noted that the Rice Creek Watershed approved the ditch. Councilmember Holden asked if the ditch was prepared for a 100-year storm. Assistant City Engineer Anderson explained that culverts are typically designed for five or ten- year rain events. Anything that did not flow through the culvert would flow down the street toward County Road 96. Further discussion ensued regarding the grading and flow of water along the roadway. Councilmember Holden questioned if the City could create a berm in Mr. that water does not spill back into their yard from the ditch. Assistant City Engineer Anderson stated that this would be an option. Mayor Grant did not want to put the home in jeopardy. Councilmember McClung questioned how the Council was going to proceed with this matter. Mayor Grant asked if the curb and gutter option would manage rain from a 10-year rain event. Assistant City Engineer Anderson stated that this was the case and that any water overage would run toward the lake.