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178 E 9TH STREET | SUITE 200 | SAINT PAUL, MN | 55101 | 651.286.8450 | WSBENG.COM Memorandum <br />To: Katie Larsen, Lino Lakes City Planner <br />From: Kris Keller PE, WSB <br />Diane Hankee PE, Lino Lakes City Engineer <br />Date: May 1, 2024 <br />Re: Linda Avenue Addition <br />Preliminary Plat & Civil Plan Review <br />025258-000 <br />As requested by City staff, WSB reviewed the Preliminary Plat and Civil Plans for the Linda <br />Avenue Addition in Lino Lakes, MN, prepared by Plowe Engineering and received April 10, 2024. <br />Our comments were made on the following documents: <br />•Linda Avenue Addition – Civil Plans prepared by Plowe Engineering, dated April 9, 2024. <br />•Linda Avenue Addition – Certificate of Survey prepared by Kurth Surveying, dated April 9, <br />2024. <br />The following review comments should be responded to in writing by the applicant. There are <br />additional redline comments on the plan set that should be responded to as well. Not all redline <br />comments are in the review memo. <br />Engineering <br />•Grading <br />The Linda Avenue Addition grading consists of grading the original single-family lot to <br />create two (2) single-family lots. There is a rural section along both Linda Avenue and <br />Hodgson Road/CSAH 49 with driveway accesses and culverts on Linda Avenue. A <br />drainage swale generally flows clockwise around the lots at minimal grade discharging to <br />the southwest. <br />Comments: <br />1.Maintain minimum 2% slopes with all drainage swales. <br />2.Provide existing grading information along the shared property line to the <br />west <br />•Provide elevation shots at the base of the adjacent building <br />3.Call out EOF locations for the culverts across the driveways. <br />4.End the east side of the western culvert after the driveway and regrade the <br />area to the bottom of the ditch. The driveway elevation should not be <br />extended to the east. <br />5.Verify the existing elevations between the rear grading limits and the existing <br />tree line to show that water is able to make it to the tree line. <br />•Currently it is shown as ~1% grade from the 901 to 900 contours <br />Attachment 2: City Engineer Memo dated May 1, 2024