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Staff ha^ some concerns about the impact of direct runoff to wetlands. A relatively <br />small amount of storm sew'er is shown on the plans (Sheet C4.1). Applicants have <br />indicated verbally that they will manage stormwater runoff viaraingardens distributed <br />throughout the neighborhood. The plans do not indicate whether or where rural or <br />urban road sections will be used to transport runoff. <br />It is assumed that the proposed MnDOT pond expansion will accommodate flows <br />from portions of the watershed outside the property. This is a positive aspect of this <br />development. <br />The plans appear to provide buffers around all wetlands. It appears that a few <br />proposed dwelling units as drawn may encroach within Orono ’s 26' wetland setback <br />requirement. <br />The applicants should address snow storage/removal, as the site layout appears to <br />have minimal areas which could provide for snow storage. <br />3.Utilities <br />a) Looping of water mains will be necessary across the northerly tit. of the property. <br />b) All water mains should be 8" diameter rather than 6"; 12" required in Kelley Parkway. <br />c) The issue of burying existing power lines along Willow and Highway 12 should be <br />discussed... especially if the commercial outlots won ’t be developed for a while... <br />d) Sanitary sewer capacity to serve the development is lacking until MnDOT replaces <br />lines downstream and City replaces certain segments south of Highw'ayl2... <br />4. Transportation <br />a) The City Engineer in his preliminary comments indicates a traffic study should be <br />completed. <br />Staff and Council discussions are needed to establish who will complete this study <br />and what the scope will be. The applicant has offered to pay his fair share of this <br />study. <br />b) The City Engineer is recommending that the right-of-w ay width for Kelley Parkway <br />be 70* as defined in the subdivision code for a public commercial street (the portion <br />of Kelley Parkway that exists has a 60* right-of-way; remember that it was platted at <br />a time when this entire area was still guided for 2-acre SFR). The development plan <br />Sheet C2.1 shows a 60' right of way. Note: Conceptual Plat Sheet CS.l does not <br />dedicate Kelley Parkway. Kellev Parkway must he platted as a public road on the <br />final plat. <br />#02-2789(Revked) DahUtrom Development LLC <br />July 12,2002 <br />Page 9 of 13