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<br />City of Arden Hills <br />Planning Commission Meeting for March 9, 2016 <br />P:\Planning\Planning Cases\2016\PC 16-005 - 3382 Lake Johanna Blvd - Variance\Memos_Reports_16-005 <br /> <br />Page 4 of 9 <br /> <br />C. Lot Coverage – Variance Required <br /> <br />The existing impervious surface coverage on the property is nonconforming. The Shoreland <br />Regulations included in Section 1330 of the Zoning Code require properties on Lake Johanna to <br />have a maximum of 35 percent of the lot area covered by impervious surfaces. The survey <br />indicates existing impervious coverage of 36.28 percent. Because the proposed addition would <br />enclose an area mostly covered by concrete and wood walkways, impervious surface coverage <br />would only increase by 8 square feet for a total coverage of 36.37 percent. The addition would <br />increase structure area by 151 square feet resulting in an increase in structure coverage from <br />24.61 percent to 26.37 percent. City Code allows a maximum of 25 percent structure coverage. <br /> <br />Lot Coverage Existing Proposed R-2 Regulations <br /> Square Feet % Square Feet % Square Feet % <br />Dwelling 944 11.00% 1,095 12.76% - - <br />Garage 529 6.16% 529 6.16% - - <br />Decks 639 7.45% 639 7.45% <br />Total Structure 2,112 24.61% 2,263 26.37% 2,145 25% <br />Driveway 786 9.16% 786 9.16% <br />Walkways 215 2.51% 72 0.84% <br />Total Lot <br />Coverage 3,113 36.28% 3,121 36.37% 3,003 35% <br />Landscape Area 5,468 63.72% 5,462 63.63% 5,578 65% <br />Lot Size 8,581 8,581 11,000 s.f. (Min. Lot Area) <br /> <br />D. Structure Height – Conforming <br /> <br />The maximum height for structures in the R-2 District is 35 feet. The proposed second floor <br />addition above the garage would have a height of 24 feet – 2 inches. <br /> <br />E. Floor Area Ratio – Variance Required <br /> <br />The floor area ratio (FAR) is calculated by dividing the gross square footage of the dwelling by <br />the lot area. In the R-2 District the maximum FAR permitted is 0.3. The existing dwelling has a <br />total floor area of 2,686 square feet for a FAR of 0.31. The proposed addition would increase <br />total floor area by 585 square feet for a new FAR of 0.38. <br /> <br /> Existing Proposed R-2 Regulations <br />Total Floor <br />Area <br />2,686 <br />square feet <br />3,271 <br />square feet <br />3,300 <br />square feet <br />Floor Area <br />Ratio 0.31 0.38 0.3 <br />Lot Size 8,581 8,581 11,000 s.f. <br />(Min. Lot Area)