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Environmental <br />Memo <br />To: Katie Larsen <br />From: Marty Asleson <br />Date: June 29, 2016 <br />Re: Environmental Board Recommendations for the Clearwater Creek Business <br />Park Proposal <br />The following recommendations were made by the Environmental Board on June 29 <br />Clearwater Creek Business Park <br />1. Soils should be monitored for impacts to the Drinking Water Service area contamination, and <br />existing wetland resources. Impacts can be created by uncovering a "gravel -vein" or sand <br />seams where polluted water can enter into a DWSMA water source, and where wetlands can be <br />drained by creating a "drain situation" for close proximity wetlands. Gravel and or other pervious <br />areas encountered in excavation areas for ponds and created wetlands and general excavation <br />must be sealed <br />2. The applicant must provide a detailed tree preservation plan to the city. <br />3. Landscaping: <br />A. Plants that are intolerant of higher pH soils should not be used on this site. <br />B. Evergreens must not be used in any of the native seed mix areas. Evergreens may be planted <br />in the sod and any irrigated cultured seed areas <br />C. MNDOT seeding methods as in the MNDOT Seeding Manual must be used for Native seed <br />areas. <br />D. Native Seed areas must be planted and maintained by a City approved contractor that has <br />experience and knowledge in the planting of a native seed area <br />E. A 5-year maintenance plan must be written for the site and accepted by the City <br />F. All cultured seed and sod areas must be irrigated. <br />G. Seed types must be identified on the landscape plan. <br />H. Seed types must be approved by the City. <br />I. Evergreens must not be planted in native seed areas. <br />0 Page 1 <br />