Agenda - Public Works Committee - 01/18/2022

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• Minnesota Department of Transportation (MnDOT) State Aid: Sunwood Drive NW is a State Aid route, o Zeolite Street is anticipated to become a State Aid street. • Minnesota Pollution Control Agency (MPCA): NPDES Storm Water Permit, • Metropolitan Council Environmental Services (ICES): Sanitary Sewer Extension Review, • Minnesota Pollution Control Agency (MPCA): Sanitary Sewer Extension Permit, • Minnesota Department of Health (MDH): Watermain Extension, • Department of Natural Resources (DNR): Dewatering, • Lower Rum River Watershed Management Organization: Storm Water. Timing of Improvements While the improvements discussed and depicted in the figures will be required to support the area, timing of the improvements will most likely be dependent upon each proposed development. As individual developments are considered, the public infrastructure will need to be reviewed and determinations made as to its adequacy to serve the properties. As upgrades, extensions and improvements are determined to be necessary, funding strategies will need to be developed which may include full or partial assessments to benefitting properties. VI. DESIGN SUMMARY While there is a general understanding of the total public improvements required to serve the area, sequencing of the improvements will allow for planning and fiscal responsibility. Our understanding of the most likely individual segments to be developed are shown in Figure 2 in Appendix B, and include: • Ramsey Parkway - Segments A-1, A-2, A-3 and A-4: (Figures 14,15,16 & 27) o Extension of Ramsey Parkway from Center Street NW to Sunwood Drive Roundabout. ■ Two 24-foot one way roadways o 6-foot concrete sidewalks on the north and south sides ■ Construct bioretension basin in median o Line basin to prevent infiltration o Extension of sanitary sewer, storm sewer and watermain. ■ Reroute existing 18-inch sanitary sewer to new alignment if required with A-3. • Center Street - Segment B-1 and B-2: (Figures 17,18 & 27) o Extension of Center Street NW to Bunker Lake Boulevard. ■ Extend the existing typical section from the south to Ramsey Parkway. ■ Widen Center Street to a Parkway from Ramsey Parkway to Bunker Lake Boulevard • Alternate: match into existing roadway at 146th Avenue. o Extension of storm sewer as needed for roadway drainage. • Xenolith Street - Segments C-1 and C-2: (Figures 19 & 28) o Construction of Xenolith Street NW from Sunwood Drive to Ramsey Parkway. ■ 36-foot roadway with 6-foot sidewalks on both sides. o Extension of sanitary sewer, storm sewer and watermain. • Sunwood Drive Boulevard - Segments D-1, D-2, D-3 and D-4: (Figures 20 & 28) o Construction of sidewalk and plantings along the north side of Sunwood Drive. Prepared by: Bolton & Menk, Inc, DESIGN SUMMARY The COR Analysis j R16,114924 Page 12