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Ms. Katie Larsen <br />01/04/2023 <br />Page 2 <br />Phelps Road Stockpile IUP Engineering Review <br />The Phelps Road Stockpile project will require site grading for the proposed fill soil <br />stockpiles. The northwest stockpile is proposed to have 4:1 side slopes, have a height of <br />15-ft, have a footprint of approximately 1.96 acres, and be approximately 30,000 CY in <br />volume. The northeast stockpile is proposed to have 4:1 side slopes, have a height of 14- <br />ft, a footprint of approximately 1.11 acres, and be approximately 14,000 CY in volume. <br />The southern stockpile is proposed to have 4:1 side slopes, have a height of 14-ft, a <br />footprint of approximately 1.74 acres, and be approximately 27,000 CY in volume. The <br />proposed project is within the Rice Creek Watershed District (RCWD). The applicant is <br />proposing to use silt fence to surround the stock pile areas and to protect wetlands and <br />floodplain on the site. No significant changes to existing drainage patterns are proposed. <br /> <br />Comments: <br />1. Applicant to update plans to address any comments provided by the City’s <br />Environmental Coordinator regarding erosion control. <br />2. Applicant to verify if existing topsoil onsite is being removed prior to stockpiling. <br />3. No work is allowed until a Rice Creek Watershed District permit has been <br />obtained. <br /> <br />• Water Supply <br /> <br />There is currently an existing 8-inch diameter ductile iron pipe (DIP) water main along <br />Phelps Road that terminates at the east edge of the site. The applicant is not proposing <br />any connections to the municipal water system with this plan. <br /> <br />Staff does not have any comments at this time. <br /> <br />• Sanitary Sewer <br /> <br />There is currently an existing polyvinyl chloride (PVC) sewer main along Phelps Road that <br />terminates at the east edge of the site. The applicant is not proposing any connections to <br />the municipal sanitary sewer system with this plan. <br /> <br />Comments: <br />1. Applicant to provide sanitation facilities on site for employees while stockpile <br />operations are underway. <br /> <br />• Transportation <br /> <br />The site is located at the intersection Phelps Road and the Otter Lake Service Road. Phelps <br />Road and the Otter Lake Service Road are local streets. Phelps Road is within a Public <br />Street and Utility Easement that is 60-ft in width. The Otter Lake Service Road is within the <br />MN DOT right-of -way in a road easement. <br /> <br />Phelps Road was constructed to city standards from Otter Lake Road to the eastern <br />property line of the site. Phelps Road is a 9-ton design, but during spring road restrictions, a <br />5-ton limit applies. The design of the Otter Lake Service Road is unknown and should be <br />restricted to 5-ton weight due to current conditions of the road. <br /> <br />Comments: