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<br />Z 2550 University Avenue West | Suite 400N | St. Paul, MN 55114 <br /> Main 651.644.4389 + Fax 651.644.9446 <br />ZHRGREEN.COM <br /> <br /> <br /> <br />June 20, 2022 <br />David Swearingen, PE, <br />Public Works Director/City Engineer <br />Arden Hills City Hall <br />1245 W Highway 96 <br />Arden Hills, MN 55112 <br /> <br />Re: Preliminary Plan Review Comments for Launch Retail – Arden Hills Development <br /> <br />Dear David, <br />A preliminary engineering plan review is completed on the plan sheets and reports for the Launch Retail – Arden <br />Hills submittal (plan set dated – June 01, 2022). <br />The submittal did not contain stormwater system information or details, so the stormwater system will need <br />additional information to be submitted for a more thorough review. In addition, the storm water report could not be <br />reviewed against the storm system confirm capacities, elevations, details, etc. <br />A summary of the preliminary review comments are as follows: <br /> <br />General Plan Review Comments <br />1. Additional information on the proposed storm system needs to be submitted for further review. <br />2. Additional storm and utility details need to be submitted for further review. <br />3. The stormwater report indicates a geotechnical analysis will be conducted at a later date. It also identifies <br />the site and most likely have a very slow infiltration rate and a high runoff potential. What is the time <br />frame for the geotech report? <br />C000 – COVER SHEET <br />4. Erosion Control sheets C200 and C201 are identified in the legend but were not included in the submittal <br />set. <br />5. Sheet C301-Site Details Sheet was not included in the submittal set. <br />C001 – GENERAL NOTES <br />6. Erosion control plans not submitted. Need to be submitted for further erosion control notes and plan <br />review. <br />7. Underground storm water system manufacturer information not submitted. Needs to be submitted for <br />further review. <br />8. Geotech report not submitted. Needs to be submitted for further review. <br />9. Change all “his” and similar pronouns to neutral (ie. their). <br /> <br /> Attachment K