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. , � <br /> - � BO LTON 8� M �N K , I N C� <br /> • Consulting Engineers & Sunreyors <br /> �� 2638 Shadow Lane,Suite 200•Chaska, MN 55318-1172 <br /> Phone(952)448-8838•Fax(952)448-8805 <br /> www.bolton-menk.com <br /> February 10, 2012 <br /> Cit of Orono O�ONO COPY <br /> Y <br /> Attn: Melanie Curtis <br /> PO Box 66 <br /> Orono,Mn 55323 <br /> RE: Zoning Application 2012-00072 <br /> 2690 Rainey Road <br /> Dear Melanie: <br /> As requested, we have reviewed the grading plan for the proposed addition of a screen porch and garage <br /> to the home at 2690 Rainey Road,dated January 10, 2012. Based on our review, we offer the following <br /> comments for your consideration: <br /> 1. It does not appear that this project will disturb more than 100 cubic yards of material. Therefore, <br /> a Storm Water Pollution Prevention Plan(SWPPP) and associated financial security is not <br /> required. <br /> 2. Silt fence is shown on the plan in appropriate locations. <br /> 3. The proposed grading maintains existing drainage patterns. However, the area of yard between <br /> the proposed screen porch and the existing garage is shown to have a proposed grade less than <br /> 2%. Because this area is relatively flat,particular attention should be paid to the final grades to <br /> ensure that the area can be adequately drained. <br /> Please contact me if you have any questions or need additional information. <br /> Sincerely, <br /> BOLTON&MENK, INC. <br /> �� � �� <br /> David P. Martini <br /> Principal Engineer <br /> DESIGNING FOR A BETfER TOMORROW <br /> Bolton&Menk is an equal opportunity employer <br />