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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 /> If we need additional information,we will let you know. <br /> Let me know if you have any questions. <br /> Sincerely, <br /> Zack Carlton, Planning Manager <br /> Ph: 763.635.1035 <br /> zcarlton e,ElkRiverMN.gov <br />