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� � -.'+ ' •i p � ' • � � . <br /> �� <br /> . • 2335 Highway 36 W <br /> St.Paul,MN 55113 <br /> - Telfi51-636-4600 <br /> Fax 651-636-1311 <br /> wvuw.bonestroo.com <br /> lune 1, 2007 � �'Bonestroo <br /> � .Mr. Michael Gaffron . , , <br /> Planning Director � <br /> City of Orona <br /> Post Office Box 66 � <br /> Crystal Bay, MN 55323 . <br /> Re: 1374 Rest Point Road <br /> File No. 000139-07000-1 <br /> � Plat No. 07-3259 � <br /> Dear Mike: <br /> � We have reviewed the revised plans for the proposed house remodel at 1374 Rest Point Road, dated <br /> -� 5-22-07, We have the following comments with regards to engineering matters: <br /> • Proposed top and bottom of wall elevations should be provided along the retaining walls near <br /> the entrances on the south side of the�house and garage. . <br /> • The plan indicates that the proposed grading near the southwest corner of the pool will <br /> ' expose approximately 3,5 feet at the bottom of the existing retaining wall. The applicant <br /> : should provide further details as to how this grading will affect the existing wall or submit <br /> � plans for a new wall in this area. • <br /> • Upstream inverts should be provided for the drain tile to the south of the proposed connection � � <br /> between the house and garage, and the drain tile near the proposed deck at the southwest <br /> corner of the house. � <br /> • Engineered design and details should be provided for all retaining walls above 4' in height, <br /> induding the wood retaining wall around the pooL <br /> • The grading within the 0-75 foot setback area is for the purposes of providing a drainage � <br /> swale along the west lot line. <br /> � Final plans should include a silt fence detail. <br /> � <br /> If you have any questions, please call me at(651)604-4894. • . <br /> Yours very truly, . <br /> BONESTR00 <br /> , 7� � . , � . <br /> Darren Amundsen • <br /> � cc: Tom Kellogg <br />