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From:Adam Edwards <br />To:Melanie Curtis <br />Cc:Laura Oakden; Gary Nelson; Nicole Egan <br />Subject:RE: LA22-000068 / Plans for 2815 Casco Point Road <br />Date:Tuesday, July 18, 2023 12:46:09 PM <br />Melanie, <br /> <br />Grading Plan Comments. <br /> <br />1. There are a number of site plans and surveys in the packet you provided which made review <br />very confusing. In the end I focused my review on the site plan labeled 1- 230594MS <br />Certificate 27JUN23 Update. Further I limited by review to the area lakeward of the house as <br />I understand that to be the area of concern. <br />2. Comparing #1 and #7 (the Gronberg survey from 2022) it appears the general drainage <br />pattern of the lake yard of the property above the retaining walls is similar although 962 <br />contour is now further east. The proposed top elevation of the top retaining wall is shown at <br />961 where the original landscape border in the same location was shown at 960.2. This 9 inch <br />difference seems inconsequential overall and could assist with overall draining plan. The top <br />of all elevation on #1 is slightly differ from the wall profile in Item #3 and #8. They shows the <br />proposed top of wall at 960.8 which would be a 7 in difference form the preconstruction <br />existing elevation. <br />3. The proposed plan does depict a drainage pater for the lake yard above the retaining wall that <br />will direct surface runoff to a catch basing and pipe. This is in keeping with the retaining wall <br />engineers recommendations. This should provide the necessary protection of the slope and <br />wall system as well as limit any surface runoff to neighboring properties. <br />4. Couple minor items- The site plan says the address is unassigned and the Owner is “City X”. It <br />also says the field survey was completed on 1/10/22. <br /> <br />Retaining’s wall Comments. (these are not intended to supersede the building officials review of the <br />plans) <br />1. The retaining wall design engineers letter notes that the necessary wall repairs were <br />completed. <br />2. The Engineers letter sates no soil analysis was completed. However some soil data was <br />provided in separate documents. It would be good to have a comment from him on the <br />sample test results to ensure they met the specifications of his design. <br /> <br />Adam <br /> <br /> <br /> <br />From: Melanie Curtis <MCurtis@oronomn.gov> <br />Sent: Thursday, July 13, 2023 1:38 PM <br />To: Adam Edwards <aedwards@oronomn.gov> <br />Cc: Laura Oakden <loakden@oronomn.gov>; Gary Nelson <gnelson@oronomn.gov>; Nicole Egan <br /><negan@oronomn.gov>