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Ms. Rachel Juba February 19, 2022 Page 2 S:\Users\R_Juba\DEVELOPMENT PROJECTS\2_Misc. Property Information\Mary Munger Property - 5311 165th St N\Capstone Homes\25-001 Munger Property Sketch Plan Application\Engineers Memo Munger Property - Concept Plan - 021925.docx 9. Due to the nature of the corridor (smaller developments and limited buildable property immediately adjacent to the roadway), it is challenging and costly to construct an urban roadway in one singular project. Alternatively, with the increased traffic on a gravel roadway, the developer would be responsible to pave the rural section roadway from TH 61 to their westerly property line. As part of the city roadway capital improvements plan, funding could be made available to pave the remaining 165th Street as a rural section roadway. This will be further evaluated as part of the above reference study. 10. A number of proposed lots are proposed to have direct access to 165th Street, which would not be allowed due to its minor collector road status. Utility Plan 11. As identified in the City’s Comprehensive Water Supply and Distribution Plan, a 24” trunk watermain will need to be extended north from the existing 24” trunk watermain extended as part of the Meadows of Hugo development located directly to the south, with the City of Hugo paying for oversizing costs. 12. The MCES interceptor is along the west property line of the Munger Property. 13. Trunk Sanitary Sewer was extended from the MCES Interceptor along the Munger south property line as part of the Meadows at Hugo development. Sanitary sewer will need to be extended from the sanitary sewer provided from the south 14. If the project is to be phased, a staging plan will be required to be shown with utility work being identified to occur within the final platted area only. If grading is different from the phasing plan for utilities or final plat area, a plan addressing temporary drainage measures outside the platted area will be required. Stormwater Management/Wetlands 15. Volume control/water quality standard will be required, which is 1.1 inches off new impervious surfaces. Water reuse will be the preferred BMP option for the site for volume reduction. If an additional BMP is to be used, the TP removal factor from RCWD Rule C, Table C1. must be applied. 16. Peak stormwater runoff rates for the proposed project must not exceed existing rates for the 2-year and 10-year 24-hour rainfall events using Atlas 14 rainfall depths. 17. Peak stormwater runoff rates for the 100-year 24-hour rainfall event is limited to 0.1 cfs/acre. 18. Lowest building opening must be at least 3’ above the 100-yr HWL for both wetlands and BMPs and 4’ above the current groundwater elevations. 19. Private ditches to JD3 are located onsite. Maintain private ditch drainage to JD3. Developer to confirm with RCWD if a permit for Rule I is needed. 20. No 100-year floodplains located onsite. 21. Stormwater Management facilities will be required to be within drainage and utility easements. 22. The applicant is proposing to utilize stormwater reuse as part of their stormwater management plan. 23. A wetland delineation on the parcel has been completed however this has yet to go through the Technical Evaluation Panel for approval. 24. The concept plan shows a number of impacts to wetlands. The applicant may find it helpful to have a pre-application meeting with the Technical Evaluation Panel to get a better idea of what impacts may or may not be allowed