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Building a legacy —your legacy. Memorandum To: Katie Larsen, City Planner From: Diane Hankee PE, City Engineer Date: June 28, 2016 Re: Clearwater Creek Business Park Plan Review for AUAR Conformance WSB Project No. 2029-820 701 Xenia Avenue South Suite 300 Minneapolis, MN 55416 Tel: 763-541-4800 Fax: 763-541-1700 We have reviewed the plans for Clearwater Creek Business Park in Lino Lakes, MN prepared by Plowe Engineering, Inc. received on June 17, 2016 for conformance with the AUAR. For reference please see notes on the Mitigation checklist enclosed, along with the following comments. FISH, WILDLIFE, ECOLOGICALLY SENSITIVE RESOURCES 1. AUAR Mitigation Item 11.1. The AUAR highlights this area as part of the Conservation Design Framework (CDF) with a future greenway corridor and trail from Cedar Street north through the property. Clearwater Creek (JD3) is located within the parcel and a 100 foot buffer is recommended per the mitigation plan. This measure is satisfied by the creation of a natural corridor running parallel with the creek. • A 50 foot conservation easement is proposed on Outlot A measured from the centerline of the ditch. This should be adjusted to measure 50 feet from the Top of Bank. Additional protections may be considered with future development of this lot. Lot 1, which is being developed, establishes a buffer along the creek ranging from 20' in the far NE corner of the lot to over 150 feet in width along the length of the creek. The area is further buffered by the construction of stormwater management ponds between the buffer area and site parking areas. The proposed conservation easement should be modified to include all the area between the creek, stormwater ponds and parking area. A trail will be constructed along 21 st Avenue with the future extension of 21 st Avenue to Cedar Street. 2. AUAR Mitigation Item 11.8. The AUAR requires an eagle nest survey. At the time of the AUAR update (June 2015); the DNR did not have records of any eagle nests within 1 mile of the project area. There are not many trees on the site, but those that are present Equal Opportunity Employer wsbeng.com \\mspfsv02.lps.local\Studim\Aaive Projects\CLL16007 - Clearwater Creek Business Park in Lino Lakes MN\Erom Others (Original Data)\20160628 Engineering Review Lino Lakes-CCBP.docx