08/12/2020 P&Z Packet - Laserfiche WebLink

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7. 0 U z w m U) 0 04 0 V) z J D a a z a U) 0 0 w U) w w F- U) x w 00 wsb Memorandum To: Katie Larsen, City Planner, City of Lino Lakes From: Diane Hankee, City Engineer, City of Lino Lakes Date: August 6, 2020 Re: Otter Crossing Preliminary Plat Review 16587-000 WSB has reviewed the Preliminary Plat and Utility Plans for the Otter Crossing development in Lino Lakes, MN, prepared by Pioneer Engineering received on July 20, 2020. The following are our review comments that should be responded to in writing by the applicant. These comments are based on review of the following plan sets and documents: • Otter Crossing Preliminary Plat & Site Plans prepared by Pioneer Engineering dated July 6, 2020 • Preliminary Storm Water Management Plan prepared by Pioneer Engineering dated July 6, 2020 • Stormwater Pollution Prevention Plan prepared by Pioneer Engineering dated June 26, 2020 • Preliminary Geotechnical Exploration Report prepared by Haugo Geotechnical Services dated February 7, 2020 Engineering • Grading The Otter Crossing development includes site grading for the private street, the proposed building and parking lot, and the stormwater basin. Comments: 1. Applicant to confirm that the proposed 918 contour connects into the existing 918 contour on the east side of the building. 2. Applicant shall show the location of the HWL of Basin 1 P. • Stormwater Management The stormwater on the site flows to three different locations from the site. The northern section of the property drains to the northeast to an existing wetland area which then flows to the north. The southern portion of the property drains to a large wetland toward the center of the property which outlets at the southwest corner through a culvert under CSAH 14. A small portion of the east side of the property drains to an existing storm sewer on Otter Lake Road.