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2335 Highway 36 W <br /> St.Paul,MN 55113 <br /> . <br /> Tel 651-636-4600 <br /> Fax 651-636-1311 <br /> www.bonestroo.com <br /> May 20, Zoos � Bonestroo <br /> Ms. Evelyn Turner <br /> Planner <br /> City of Orono . <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 1540 Fox Street <br /> File No. 000139-08000-1 <br /> Piat No. Gu-3359 <br /> Dear Evelyn: <br /> We have reviewetl the gratling plan for 1540 Fox Street receivetl 4-29-08. The plans propose to construct a <br /> pool and sport court. We have the following comments with regards to engineering matters: <br /> • Top antl bottom wall elevations should be provided for all retaining walls. <br /> • Engineered design antl tletails should be submitted for all retaining walis over 4' in height. <br /> • The maximum allowable slope is 3:1. The grading plan should be revised such that slopes tlo not <br /> exceed 3:1. <br /> • Invert elevations, siope, antl material type should be provitled for the proposetl drain tile. <br /> • Invert elevations should be provided for the existing sanitary sewer cleanouts. <br /> • The slope of the proposetl granite walk approaches 35%. This may be difficult to navigate without <br /> steps. <br /> If you have any questions, please call me at (651) 604-4863. <br /> Yours very truly, <br /> BONESTR00 <br /> / ,��� <br /> � <br /> Tom Kellogg <br />