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^ 612/474-3291 <br />:3 <br />3 <br />3 <br />i; ^ <br />I'"! i <br />new <br />that may <br />elementary <br />)ol program <br />srooms and <br />3 the need <br />rs as well <br />3ns on <br />Llding. <br />Lze due to <br />Bsible to <br />acity of <br />Bembly hall <br />ilar to <br />Ives a <br />n may look <br />side play <br />nd other <br />e located <br />, but is <br />hough there <br />ngs would <br />3AV A( <br />Calvary Mettorlal Church Page 2 <br />By providing the building addition and required parking, the total site <br />hardcover area is increased beyond what is allowed by the ordinance* Because <br />most of the site is between 500 and 1000 feet from the Uke Minnetonka <br />shoreline, the ordinance limits the site hardcover to 35Z of the site area. <br />The existing building and parking area shows a site hardcover of 29% of the <br />Bite area# The proposed building and parking shows a site hardcover of 63% of <br />the site area. Since this exceeds the allowable, a variance to the ordinance <br />must be obtained. Refer to the following figures: <br />Existing Proposed <br />Site area 118,518 sq ft 18,518 sq ft <br />Building area <br />Parking cu*ea <br />Total hardcover area <br />16,865 sq ft <br />17.631 sq ft <br />34,496 sq ft <br />25,369 sq ft <br />49.051 sq ft <br />74,420 sq ft <br />Hardcover percentage 29%63% <br />The primary concern as regards hardcover area is the quantity and quality of <br />the site runoff during rainstorms. The ordinance states that "the proposed <br />land use may not endanger the quality of storm water runoff into Lake <br />Minnetonka." To address this concern, Schoell 6 Madson, Inc>. engineers have <br />reviewed the Proposed Site Plan and have prepared the enclosed report. The <br />report utilizes Minnehaha Creek Watershed District guidelines and standards in <br />calculating drainage requirements. Drainage control includes the ponding area <br />shown on the Proposed Site Plan with the baffled outlet structure. By <br />providing such a ponding area euid baffled outlet, the quantity and quality of <br />the storm water runoff is kept within accepted' standards. <br />We hope this information, along with the attached documents, is adequate to <br />describe the proposal. If you should have any questions or need further <br />information, please do not hesitate to call* <br />Beet Regards, <br />Bert Haglund, <br />Enclosures <br />MOV AUVniONV <br />01VIU0W3V