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Ms. Katie Larsen <br />03/29/2019 <br />Page 9 <br />Lyngblomsten Preliminary Plat Engineering Review <br />• Landscaping <br /> <br />The comments below address engineering related items associated with the landscaping plan. The <br />City’s Environmental Coordinator will be submitting a landscape plan review. <br /> <br />Comments: <br />1. The City’s ordinance requires a 30 foot clear zone at intersections. In addition the applicant <br />shall provide a clear (no vegetation or other) triangular sight line of 100 feet at intersections <br />with County roadways. <br />30’ sight lines will be provided for City road intersections. light triangles at County roads will <br />be coordinated and verified with Anoka County. <br />2. The applicant shall adjust proposed tree locations to accommodate a maintenance access <br />route to the pond overflow structure. <br />Maintenance route access to the overflow access is being defined by Civil Engineers and a <br />clear route has been provided. <br />3. The applicant shall include detail GEN – 25 and note the private utility trench is located <br />beyond the right of way line to provide and 8-10 foot boulevard for tree plantings. <br />See Civil or utility alignments and roadway alignments and sections. <br /> <br />• Geotechnical <br /> <br />A geotechnical report was completed by Braun Intertec for the proposed Lyngblomsten development. <br />Below are the comments based on the geotechnical report: <br /> <br />1. The applicant shall note that additional geotechnical data as recommended in the Braun <br />report dated May 12, 2006. New data will also provide an updated groundwater elevation <br />need for surfacewater management designs. <br />Additional geotechnical data will be obtained in the fixture <br />2. The applicant shall note that dewatering is likely for installation of the sanitary sewer. <br />This note has been added <br />3. The geotech report from 2006 recommends a pond liner, this will be reviewed as part of the <br />surfacewater management. <br />A pond liner has been included please provide information on the grading plan. <br /> <br />• Floodplain <br /> <br />Floodplain is not present on this site. <br /> <br />• Drainage and Utility Easements <br /> <br />Comments: <br />1. The applicant shall note, the City requires a 10-foot drainage & utility easement beyond the <br />High Water Level of the pond. <br />Plans have been updated accordingly <br />2. Outlot B is where the City’s sanitary lift station is planned. If Outlot B is privately owned, it <br />shall have a drainage & utility easement over it. <br />Outlot B has a drainage and utility easement <br />3. The plat shall show the 10 foot drainage & utility easements along the parcels lines. <br />Specifically the public road where the private utility trench will be located to accommodate <br />adequate boulevard space for trees GEN - 25. <br />Plans have been updated accordingly <br />4. The plat lines so not match the City’s. The City uses the County coordinates. The applicant <br />shall review and revise. <br />Plans have been updated accordingly