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fill in those areas after installing erosion control measures (silt fence) and stripping the existing topsoil to expose <br />the underlying granular material. This base material will be tested and compacted, and the imported fill will be <br />placed in specified lifts that will be compacted and documented. <br />The area south of Sunwood Drive and east of Zeolite Street was identified as one of the sites for the excess fill. This <br />site will take approximately 6,000 cubic yards. Bringing this site to grade will accomplish two things. It will <br />address a concern raised by the Minnesota Department of Health about the area around the municipal well being <br />depressed and holding water. It will also make the site more marketable. The remainder of the fill will be placed in <br />the Municipal Plaza recreational area of The COR north of Sunwood Drive and west of Center Street. <br />Attached are sheets 11 to 14 of the draft plans. Staff will present the plans in more detail during the meeting. <br />Timeframe: <br />Staff estimates approximately 15 minutes will be required for presentation and discussion of this case. <br />Observations/Alternatives: <br />Observations: Construction of the infiltration basin is necessary to fulfill City obligations incurred with <br />LRRWMO approval of projects in the COR since 2015 and to provide capacity for future development to occur. <br />Alternatives: Alternative # 1: Motion to recommend City Council approval of Plans and Specifications and <br />authorization to advertise for Bids for The COR Infiltration Basin Improvements, Improvement Project #18-09. <br />Alternative #2: Motion of other. <br />Funding Source: <br />The estimated cost for the improvements is $970,000. The City has collected infiltration mitigation funds from all <br />developments that have occurred in The COR since 2015. These funds will pay approximately 1/4 of the cost of the <br />project. The City will pay the remainder of the project now using stormwater utility funds. These costs will be <br />reimbursed as future development occurs. <br />Recommendation: <br />Staff recommends the Committee recommend City Council approval of Plans and Specifications and authorization <br />to Advertise for Bids for The COR Infiltration Basin Improvements, Improvement Project #18-09. <br />Action: <br />Motion to recommend City Council approval of Plans and Specifications and authorization to advertise for Bids for <br />The COR Infiltration Basin Improvements, Improvement Project #18-09. <br />IP1809 Plan Sheet 11 <br />IP1809 Plan Sheet 12 <br />IP1809 Plan Sheet 13 <br />IP1809 Plan Sheet 14 <br />Attachments <br />Form Review <br />Inbox Reviewed By Date <br />Grant Riemer Grant Riemer 04/11/2019 02:41 PM <br />Kurt Ulrich MaryJo Warner 04/11/2019 02:50 PM <br />Form Started By: Bruce Westby Started On: 04/09/2019 08:14 AM <br />Final Approval Date: 04/11/2019 <br />