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�' ' <br /> Memorandum � Bonestroo <br /> Project: 3215 Graham Hill Road 2335 Highway 36 W <br /> To: Darren Amundsen goulder Retaining Wall Date: 2-21-11 St.Paul,MN 55113 <br /> Te1651-636-4600 <br /> From: Gary Morien Client: City of Orono Fax 651-636-1311 <br /> www.bonestroo.com <br /> Re: 2011-00075 File No: 000139-11000-2 <br /> Review Summary: <br /> The retaining wall plan was prepared by an Engineer and the content appears <br /> appropriate to direct construction of boulder retaining walls at this site. Calculations <br /> for the wall design were not submitted for review. Plans should state the design <br /> complies with safety factor and building code requirements. <br /> Plans indicate wall design only addresses internal stability. External stability including <br /> but not limited to foundation settlement, global/slope stability is not addressed by the <br /> wall design Engineer. It is recommended the Owner review the proposed design with <br /> the Owners Engineer and determine whether or not external stability analysis is <br /> appropriate. The Owner/Contractor shall be aware of and follow the suggested <br /> general notes and quality assurance provisions noted on the wall design Engineer's <br /> plan. <br /> A site plan showing the wall layout relative to boundaries, buildings and other site <br /> features were provided. Wall layout, notes and details of construction were submitted. <br /> Plans indicate the design was prepared by a professional engineer and content <br /> appears to meet industry standards for this type of work. <br /> Detailed Review: <br /> At your request, we reviewed of the retaining wall submittal for the above referenced <br /> project for compliance with the code requirements and industry standards. The <br /> submitted information is as follows: <br /> Project Name: 3215 Graham Hill Road <br /> Wall Design Engineer: Robert Race, P.E. <br /> Developer: Unknown <br /> Plans Received: 1)Title sheet 2) Site plan 3)Typical wall section details <br /> Retaining Wall Calcs: No Calculations <br /> Date Received: City of Orono - February 17, 2011 <br /> Plan Date: February 16, 2011 <br /> These are privately owned retaining walls that will be installed at 3215 Graham Hill <br /> Road, Review notes include: <br /> • Plans were prepared by an Engineering Consultant and the plan content <br /> appears appropriate to direct retaining wall construction. <br />