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• • 5.6 The property is located in the Gottfried Pit sub-watershed, which is already undersized for the amount of runoff that drains to the pit. Because of this, the drainage area is prone to flooding which causes property damage to the properties located along Larpenteur Avenue. 5.7 Local and regional storm water management systems are designed to accommodate run off from residential lots with a maximum of 30% coverage, and the existing flooding problems will be progressively exacerbated when such coverage exceeds 30% on more residential lots if mitigating measures are not implemented. 5.8 Mr. Ronke is amenable to taking steps to mitigate marginal storm water runoff on his property, including installation of a"rain garden" filtration basin if necessary, which was not required on any of the other lots in this area. See attachment D. 5.9 The legal, nonconforming dimensions of the lot, in addition to the fact that the principal structure is set back 36 feet from the front property line, contribute to rapid consumption of the impervious surface area allowance; in fact, the proposed 3,315 square feet of impervious surface area would only cover 30% of a standard 11,000-square-foot lot. 5.10 Community Development staff is willing to support a impervious coverage variance that would allow an attached garage to be developed on the property, but staff cannot support a variance that includes seemingly unnecessary enclosed storage for a boat or camper. 5.11 Pending a conversation with his architect/builder, Mr. Ronke may be willing to decrease the depth of the proposed garage by 2 to 6 feet, if necessary; he will be able to provide more information at the Variance Board hearing. 5.12 Section 1013 of the Roseville City Code states: "Where there are practical difficulties or unusual hardships in the way of carrying out the strict letter of the provisions of this code, the Variance Board shall have the power, in a specific case and after notice and public hearings, to vary any such provision in harmony with the general purpose and intent thereof and may impose such additional conditions as it considers necessary so that the public health, safety, and general welfare may be secured and substantial justice done." 5.13 State Statute 462357, subd. 6(2) provides authority for the city to "hear requests for variances from the literal provisions of the ordinance in instances where their strict enforcement would cause undue hardship because of circumstances unique to the individual property under consideration, and to grant such variances only when it is demonstrated that such actions will be in keeping with the spirit and intent of the ordinance. `Undue hardship' as used in connection with the granting of a variance means the property in question cannot be put to a reasonable use if used under conditions allowed by the official controls, the plight of the landowner is due to circumstances unique to the property not created by the landowner, and the variance, if granted, will not alter the essential character of the locality. Economic considerations alone shall not constitute an undue hardship if reasonable use for the property exists under the terms of the ordinance ... The board or governing body as the case may be may impose conditions in the granting of variances to insure compliance and to protect". PF07-003 RVBA 010307 Page 3 of 5