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7. Replace 12” CMP with 12” RCP across Business Center Dr. <br />8. Stormwater management needs to meet NPDES and city stormwater ordinance. <br />9. Filtration basin 2 would be city owned and requires access for maintenance. Other basins <br />will be privately owned and maintained. <br />10. Ensure all EOF elevations are correct. Basin 1 appears to be a typo. <br />11. Freeboards between EOFs and low floors must be at minimum 1 foot. <br />12. Add catch basins just outside of private street entrance to gather storm water for treatment <br />on site. <br />13. Grades must be less than or equal to 3:1. <br />14. Wetland delineation approved in 2020 and shown on site plan. Road extension on north <br />shown as wetland impacts. Wetland impacts have not yet been applied for or reviewed <br />by the TEP via Wetland Conservation Act (WCA) requirement. All structures must <br />meet the 45’ wetland setback and this area should be within a D&U easement (at least first <br />25’ setback). Currently only wetland boundary is within D&U. Stormwater ponds may not be <br />located within delineated wetlands. <br />15. There are two dead end watermains shown in the utility plan: one in the parking lot circle <br />and another in the cul-de-sac; no dead-end mains shall be constructed, all watermains shall <br />be looped. <br /> <br />If we need additional information, we will let you know. <br /> <br />Let me know if you have any questions. <br /> <br />Sincerely, <br /> Zack Carlton, Planning Manager <br />Ph: 763.635.1035 <br />zcarlton@ElkRiverMN.gov