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2. Site drawing submitted shows the wall layout relative to boundaries, buildings and other site features. Deviation <br /> from this layout is not approved. <br /> 3. A geotechnical report and recommendations were not provided. Soil properties for the retaining wall were <br /> assumed in the design notes submitted. Engineer of Record requires field verification of assumptions. <br /> 4. Boulder wall design drawings were prepared by a professional engineer, licensed in Minnesota, and plan content <br /> appears appropriate to direct retaining wall construction. However, wall designer must clarify the following <br /> design parameters: <br /> a. Whether design includes driveway surcharge: Letter, 2nd paragraph, states no surcharge was <br /> considered,4th paragraph states that it was. Wall location appears to be adjacent to driveway. <br /> b. Minimum bearing capacity of foundation soils is required: Letter,4th paragraph, states 1,500 psf <br /> allowable bearing capacity is assumed, drawing states 2,500 psf is required. <br /> 5. Calculations for global/slope stability were not submitted.Applicant shall have actual site conditions evaluated <br /> by a qualified design professional to determine whether or not global stability analysis is required and ensure <br /> that in-situ soils and backfill design properties indicated on the plans are verified.Submit determination in <br /> writing. <br /> Thank you, Melanie <br /> Melanie Curtis <br /> Planning & Zoning Coordinator <br /> City of Orono <br /> 2750 Kelley Parkway <br /> Orono, MN 55356 <br /> Direct Dial: 952.249.4627 <br /> Fax: 952.249.4616 <br /> Planning &Zoning Office 952.249.4620 <br /> Email: mcurtisCa)ci.orono.mn.us <br /> Website: www.ci.orono.mn.us <br /> City of Orono Office Hours <br /> Monday - Friday 8:00 am to 4:30 pm <br /> 4 <br />