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• 2335 West Highway 3G ■ St. Paul, MN 55113 � <br /> Bonestroo <br /> Rosene Office: 651-G3G-4G00 • Fax: 651-G3G-13i1 <br /> � Anderlil<& www.bonestroo.com <br /> Associ�tes <br /> Engineers&Architects <br /> September 12, 2005 <br /> Ms. Jatlice Gundlach - <br /> Plaimer <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 679 Miimetonlca Highlands Lane <br /> File No. 000139-05000-0 <br /> Plat No. OS-3145 <br /> Dear Janice: <br /> We have reviewed the sketches provided for the proposed retaining wall improvements at 679 <br /> Minnetonka Highlands Lane. The proposed iinprovements include removal of a series of <br /> deteriarating timber retauiing walls and replacement of some of these walls with modular block <br /> walls.We previously met on site and at city hall with the applicant and lus landscape contractor and <br /> the sketches provided agree with what we previously discussed and agreed to.The sketches correctly <br /> show the complete removal of what we deemed uiuiecessary walls.We lzave the followuig conunents <br /> with regards to engineering matters: <br /> • Erosion aild sediment controls must be installed, inspected and approved by the city prior to <br /> any work on site. This would include the installation of two rows of heavy duty silt fence <br /> along the length of the shoreline. Steel t-posts should be used to support these rows of silt <br /> fence. <br /> • The erosion and sediment controls should remain in place uutil all work is completed and <br /> vegetation has been established. <br /> � Slopes steeper than 3:1 should be seeded and covered with fiber blanlcet. <br /> If you have any questions please call ine at (651) 604-4863. <br /> Yours very truly, <br /> BONESTROO, ROSENE, ANDERLIK&ASSOCIATES, INC. <br /> �� <br /> /Q-l'� <br /> Tom Kellogg <br /> Cc: Greg Gappa, City of Orono <br /> St. Paul, St. Cloud, Rocliester, MN • Milwaul<ee, WI ■ Chicago, IL <br /> Affirmative Action/Equal Oppor[unity Employer and Employee Owned <br />