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20.39 percent from 19.84 percent. The Master Plan for the campus limits total lot coverage to 25 percent. Lot coverage would not exceed the coverage limit with this proposed expansion. The applicant is proposing to use pervious pavers for 40,113 square feet of the 44,624 square foot parking stall expansion, which is approximately 90 percent of the project area. Although pervious pavers still count as lot coverage, they do provide some stormwater infiltration benefit and are more environmentally friendly than traditional parking lots. B. Parking Lot Setbacks - Meets Requirements The proposed parking additions to the upper east parking lot may be somewhat visible to drivers on Highway 51; however, it is unlikely that it would create any significant visual impact to the highway. The Zoning Code (1325.06 Subd. l.D.4) and the Campus Master Plan requires a parking setback of twenty feet from the external property lines that are adjacent to the right-of-way. The Seminary Drive parking is well outside of the twenty foot setback. The upper east lot north is about 35 feet from the property line at its closest point. The upper east lot south is 20 feet from the property line at its closest point. The proposed parking adjacent to Seminary Drive is unlikely to be visible outside of the campus and is not subject to any additional setbacks. c. Traffic Impacts - No Expected Impact No significant changes to traffic flow or volume are expected since this application does not include an expansion in staff or students. D. Landscaping - No Specific Requirements The City does not have specific landscaping requirements for parking lot expansions; however, the City can require reasonable screening and landscaping through the conditional use permit amendment process. The parking stall expansion is anticipated to require the removal of approximately 21 trees (285 caliper inches). The trees to be removed are included on the submitted plans and do include a number of mature trees. In response to the tree removal, the applicant is proposing to plant 40 new trees (110 caliper inches). Although there will be a net loss in caliper inches since the removed trees are more mature, there will be a greater number of caliper inches in the long-term as the new trees mature. City of Arden Hills Planning Commission Meetingfor September 5,2007 \\Metro-inet.us\ardenhillslPlanninglPlanning Cases\2007\07.022 Bethel Parking Expansion CUP Amendment and Site Plan Review\090507 _ PC Report - Bethel CUP Amendment and Site Plan Review.doc Page40f8