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0 <br /> • SCHI M NO W SKI ENGI NEERS <br /> CRITERIUM-SCHIMNOWSKI ENGINEERS <br /> 761 DUNBAR WAY <br /> MAHTOMEDI,MN 55115 <br /> TEL 651779-7700 <br /> FAX 651779-7114 <br /> www.criterium-schimnowski.com <br /> August 17, 2016 <br /> Asher Judd � <br /> Outdoor Innovations Landscaping F�+ <br /> 5885 165'�'Street F��/ <br /> Hugo, MN 55038 qp� ;o F� <br /> C�T}, ` '�O�j <br /> RE: Boulder Retaining Wall Evaluation �F� <br /> 805 Forest Arms Lane RONO <br /> Orono, Minnesota <br /> Project#16-2367 <br /> Dear Mr. Judd: <br /> This letter is being sent per your request regarding the recently constructed boulder retaining walls at the <br /> above address. This evaluation is based on my observafions during a site visit on August 4, 2016, and <br /> information you provided in an email on August 3, 2016, including as-built survey information and a <br /> sketch of a swimming pool post footing detail indicating that the pool footing loads are being supported <br /> below the influence of the retaining walls. <br /> The construction of the retaining walls is structurally stable and in general conformance with boulder <br /> retaining wall and construction industry standa�ds. The walls were constructed with stone of sufficient size <br /> and setback. Other typical construction details such as use of drainage elements also appeared to be <br /> followed conectly. As is normal for boulder retaining walls of this type, some wall movement and soil <br /> settlement should be expected. I recommend that concentrated areas of surface water shoutd be directed <br /> away from the walls. Several photos were taken for documentation, some of which have been provided <br /> as part of this report. <br /> This evaluation was pertormed using the design guidelines presented in the third edition of the"Design <br /> Manual for Segmental Retaining WaNs" (DMSRVI� published by NCMA in 2009. Direct ail surface <br /> drainage away from the retaining walls. If soil conditions, proposed layouts, or other design parameters <br /> vary from that assumed, a revised analysis might be needed. Please call me if you have any questions or <br /> need more information. Thank you. <br /> Sincerely, <br /> ,�,�;tlilrf;r� ` <br /> --�; - .!"� •:�'`�,'� ���`�`/ 'Gj¢/, <br /> �--1 ,.� � - �_ ,��` �,,�,'`" . : _ .:,; <br /> �, <br /> I r r-�'''_ �.,.�'_ �' � ,, �, <br /> � � <br /> , �+� ^ o.g� <br /> Paul Schimnowski PE - � ¢ <br /> , , '1�i : �,.:^ <br /> � �,�l48►ti4��� :,r: .� <br /> � � � �i�'f1 n ', <br /> �'� G Q� M� <br /> a �. <br /> a t�3y` �Ae � t <br /> ��� �/y77ss� � <br /> f r/�+ 'na��'p��T' . <br /> LICENSED �i.�,a,`�iRk�i t�`�xQ,'�'l� <br /> PROFESSIONAL <br /> ENGINEERS <br /> HOME 8 BUILDING INSPECTIONS <br /> STRUCTURAL EVALUATIONS <br /> 4SSOCIATION RESERVE/TRANSITION STUDIES <br /> RESIDENTtAIlCOMMERCIAL ' <br /> RETAINING WALL DESIGN 8 EVALUATIONS <br />