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Building a legacy —your legacy. <br />Memorandum <br />To: Katie Larsen, City Planner <br />From: Diane Hankee PE, City Engineer <br />Date: June 29, 2018 <br />Re: Lyngblomsten <br />Concept Plan Review for the City of Lino Lakes <br />WSB Project No. R-012365-000 <br />701 Xenia Avenue South <br />Suite 300 <br />Minneapolis, MN 55416 <br />Tel: 763-541-4800 <br />Fax: 763-541-1700 <br />We have reviewed the Lyngblomsten Concept Plan documents dated June 11, 2018, prepared by <br />Wold Architects. The proposed development is located on a 17.18 acre parcel located in the <br />proximity of the northwest quadrant of County Road J (Ash Street) and CSAH 49 (Hodgson <br />Road). <br />Engineering <br />• Grading, Erosion and Sediment Control <br />A concept plan including an aerial photo was provided. Wetlands are present on the site and <br />have not been delineated. A proposed grading plan was not provided in the submittal packet. <br />Comments: <br />1. A grading and erosion control plan will be required at the time of Preliminary Plat <br />submittal. <br />2. The existing wetland located in the northwest corner of the site will require protection <br />from erosion and sediment. <br />• Stormwater Management <br />The proposed stormwater management for the Lyngblomsten development consists of two <br />small ponding areas. It is presumed that conveyance to these basins will be through an <br />internal storm sewer system and overland swales. <br />Comments: <br />1. The City's stormwater ordinance shall apply. It should be noted that existing wetlands <br />may not be used to treat stormwater. <br />Equal Opportunity Employer <br />wsbeng.com <br />SACommonity DevelopmentTr jeetsTlanning Cases\Lyngblomsten\StaffReports\20180714 PZ Lyngblomsten CP\a4, 20180628 Engineering CPR-Lyngblomsten.drex <br />