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Memo <br />Environmental <br />To: Paul Bengtson <br />From: Marty Asleson <br />Date: 11/29/07 <br />Re: Environmental Board Recommendations of November 28, 2007 <br />Environmental Board Recommendations for <br />Main Street Village <br />The following recommendations were made by the Environmental Board at the <br />November 28th Environmental Board meeting: <br />1. All stormwater volume and flow designs must be evaluated for conformance to <br />RCWD and AUAR standards. <br />2. Site access for surface water treatment areas must be shown on the map. <br />3. Slopes of wetland mitigation areas be changed to conform to the AUAR. <br />4. Recommend 1 -2 inch scrapping the wetland soils in the freeze /thaw situation to <br />control reed canary grass. Also recommend the scraped soils in wetland fill areas be <br />salvaged and stockpiled for use in the wetland mitigation area. <br />5. In general, there should be a narrative to the Boards and the City Council <br />addressing all of the mitigation strategies presented in the AUAR that effect this <br />development. <br />6. All infiltration areas and wetland mitigation areas should be seeded with the city <br />native seed mix. The city transitional mix is shown on the plan and this is a good mix <br />between cultural areas and wetland /pond areas. The BWSR U8 mix is shown on the <br />wetland mitigation slopes. A better mix selection from the BWSR choices would be <br />the WI mix. However, I would again recommend the city native pond seed mix for <br />this area, supplemented with flowering native plugs every 10 feet. All biofiltration <br />areas should also be supplemented with flowering plugs. Biofiltration areas planted <br />• Page 1 <br />• <br />