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,,f�,Sonestroo <br /> In ter-Office Memo ��n�k& <br /> ���_ <br /> Englnaers&Arehitocts <br /> To: Tom Kellogg Date: June 9, 2006 <br /> From: Matt Jensen <br /> Phone: (651) 604-4835 <br /> Re: 000139-06000-0 Orono: 60 Smith Avenue Retaining Wall <br /> Remarks: <br /> At your request, I have inspected the retaining wall at the above mentioned residence. The wall is partially <br /> constructed. The blocks are 2 feet high by 6 feet wide by 2 feet deep and the wall is_36 feet long. The slope in <br /> front of the wall is approximately 2H:1V, and there is level ground behind the wall. The wall is leaning towards <br /> the bottom of the hill and the blocks do not appear to fit together well. <br /> 1. There is no grading or wall plan. It appears there is no design for the wall. Provide a retaining wall plan and <br /> design signed by a professional engineer. <br /> a. The design should address assumptions, safety factors, block characteristics, and any wall <br /> reinforcement that may be necessary. <br /> 2. The wall section does not have the following components, and should be reconstructed using the following: <br /> a. Provide a foundation (compacted bedding aggregate or concrete) for the wall and proper wall <br /> embedment. <br /> b. Provide a positive block setback for the correct wall batter. <br /> c. Provide well draining backfill behind the wall. <br /> d. Provide drainage aggregate at the back face of the wall and positive drainage away from the wall. <br /> - END - <br /> Bonestroo,Rosene,Anderlik and Associates,lnc. www.bonesfroo.com <br /> 7 SL PauL• �.Milwaukee: �i Rochaster. ❑SL Cbud: 7 Chlwgo: <br /> 2335 West Highway 36 120)5 N.Corporate Parkway,Ste 200 N2 7'^Street NE 3721 23�a Street S 1660 West Winchester Rd,Ste 108 <br /> St Paul,MN 55113 Mequan,WI 53092 Rachester,MN 55906 St Cbud,MN 58307 Libertyville,IL 80048 <br /> Phone:657�fi36�800 Phone:262B43-9032 Phone:507•282•2100 Phone:320-251�553 Phone:847-0t&1831 <br /> . Faz:857-638-1311 Faz:262-241-0901 Faz:507•2823100 FFax:320-251�252 Fax:847A18-3762 <br />