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The maximum structure coverage allowed in this district is 30 percent and the minimum landscape coverage is 35 percent. Lot 1, comprised of Buildings A, B, and C, would meet these requirements with structure coverage of 23.82 percent and landscape coverage of 43.34 percent. Lot 2, comprising the Boston Scientific Campus, would satisfy the landscaping requirement with 55.57 percent coverage but would need flexibility for structure coverage with 30.06 percent coverage. Under the existing PUD, the property as a whole is permitted a structure coverage of 32.69 percent. The proposed amendment would result in an overall reduction in building footprint on the Boston Scientific campus of 147,807 square feet. Total Area (square feet) Structure Coverage (square feet) Structure Coverage (percentage) Landscape Coverage (square feet) Landscape Coverage (percentage) Lot 1 (Buildings A, B, C) 672,944 160,266 23.82% 291,640 43.34% Lot 2 (Boston Scientific Campus) 3,351,193 1,007,527 30.06% 1,862,340 55.57% I-1 Zoning District Requirements 30,000 30% or less 35% or more B. Height The maximum building height in the I-1 District is 35 feet. The approved PUD allowed for flexibility on the height for most of the proposed buildings and parking ramps on the property. On Lot 1, Building A measures 57 feet in height and Buildings B and C 42 feet. The parking ramp located on Lot 1 is 40 feet in height. The tallest proposed building on Lot 2 is Building K with a height of 135 feet. Additional new buildings exceeding the I-1 District height limit include Building M at 45 feet and Building N at 60 feet. All five of the Lot 2 parking ramps would be greater than 35 feet in height, with the tallest ramp being 60 feet in height. With the proposed PUD amendment, no height increase is being requested for any buildings on Lot 2. However, the amendment does include a proposed increase in the height of Parking Ramps 5, 6, and 7 from 40 feet to 60 feet in height in order to accommodate additional parking needs. C. Setbacks The minimum structure setbacks in the I-1 District for principal buildings are 55 feet for the front yard, 20 feet for the rear yard, and 20 feet for the side yard. For accessory structures, such as parking ramps, the rear and side yard setback is 10 feet. The approved PUD requires a 50-foot structure setback along all exterior property lines of the campus. Lot 1 and Lot 2 would maintain the 50-foot setback on all sides of the property except along the property boundary line between the two lots where the side yard setback would be maintained in City of Arden Hills City Council Meeting for February 23, 2015 P:\Planning\Planning Cases\2015\PC 15-001 - Boston Scientific - Master PUD Amendment and Subdivision\Memos_15-001 Page 4 of 9