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. � BOLTON 8� M �N K , I NC� <br /> • Consulting Engineers & Surveyors <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 /> June 25,2014 <br /> City of Orono <br /> Attn: Melanie Curtis <br /> 2750 Kelley Parkway <br /> Orono, MN 55356 <br /> RE: Building Permit Application 2014-00554 <br /> 3759 Casco Avenue <br /> Engineering Review#1 <br /> Dear Melanie, <br /> As requested, we have completed an engineering review of the documents submitted for the above <br /> referenced project. Our current review is based on the following submittal items: <br /> • Certificate of Survey prepared by Lot Surveys Company, Inc., dated 6/17/14 <br /> • Architectural Plans prepared by DFP Planning&Design,dated 6/13/14 <br /> • City comments, dated 6/12/14 <br /> We offer the following observations, comments, and recommendations for your consideration: <br /> 1. Perimeter silt fence and the rock construction entrance should be installed and inspected by the City <br /> prior to any land disturbing activity. The Contractor must provide 24 hour notice prior to inspection. <br /> 2. The proposed 940 contour should be indicated on the plan to define the limits of grading on the south <br /> side of the lot. <br /> 3. Proposed grading on the west side of the building exceeds 2:1 slopes. The plan should be revised to <br /> provide maximum 3:1 slopes. If retaining walls are necessary,they should be indicated on the plan <br /> with top of wall and bottom of wall elevations at key locations. Any walls 4' or greater in height <br /> must be designed by a licensed Professional Engineer and plans submitted to the City for approval. <br /> 4. A financial security of$2,000 from the Applicant is recommended for erosion control and <br /> engineering oversight. The financial security is intended to provide protection in the event that it <br /> becomes necessary for the City to install or maintain erosion and sediment control within the project <br /> area and covers the cost of vegetation re-establishment if the applicant is unable to follow through <br /> with the conditions of approval. <br /> 5. The applicant will be required to obtain Minnehaha Creek Watershed District(MCWD) approval and <br /> permitting for their Erosion Control and Wetland Protection Rules. A copy of any approvals or <br /> permits required should be submitted prior to any work. <br /> Please let me know if you have any questions or need additional information. <br /> Sincerely, <br /> BOLTON & MENK, INC. <br /> �.Q�L� 6�.za�i� <br /> Robert E. Bean, Jr., P.E. <br /> Water Resources Engineer <br /> DESIGNING FOR A BEITER TOMORROW <br /> Bolton&Menk is an equal opportunity employer <br />