Agenda - Council - 01/26/2021 - Laserfiche WebLink

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Traffic: MnDOT recommends a traffic impact study be completed due the final development plan generating close to 2,500 trips per day and the possible impacts to US 10, neighboring roads and accesses. The preferred access for the development to US 10 would be through the new interchange at Armstrong. If you have any questions regarding this comment please contact Ashley Roup in Metro Traffic Unit at 651-234-7815 or ashley v .rookstate.mn.us. Multimodal: When pedestrian facilities (i.e. the sidepath along US 10/US 169) are impacted due to maintenance or construction, pedestrian accommodations must be provided to the maximum extent feasible. These accommodations should be made detectable and must have accessibility features up to the level of the disturbed route. Signage and devices, as necessary, must be provided to direct pedestrians safely through the work zone. Guidance for pedestrian accommodations through work zones can be found here: http://www.dot.state.mn.us/trafficeng/workzone/gpr.html. The new street connection should include curb ramps in accordance to MnDOT Standard plan 5-297.250 and should match the width of the existing facility. Because of the density of homes proposed with this development, constructing sidewalks along both sides of the internal street network should be considered. Also consider constructing a sidepath/trail along the south side of Riverdale Drive for its full length to expand the non - motorized network and connect to the sidepath along US 10/US 169. For questions regarding these comments, contact Jesse Thomsen, Metro Multimodal, at Jesse. Thornsengstate.mn.usor 651-234-7788. v Water Resources: When Bowers Drive is constructed as a cul-de-sac, the existing entrance culvert between the south trail and US 169 westbound should be removed and returned to a ditch section. When the connection of the proposed Riverdale Drive with US 169 westbound is made, an entrance culvert should be added between the trail and US 169 westbound; a 15" Reinforced Concrete Pipe (RCP) entrance culvert may be large enough based on the existing entrance culverts located east of the new intersection. The "Lake" identified in Outlot G doesn't show an outlet. Although the High Water Level (HWL) indicates the lake will contain a 100-yr event, an outlet would be prudent for the possibility of back-to-back 100-year events or a super -event. Although Pond 300 in Outlot B is identified as a concept, if incorporated, then hydraulics information will be required to ascertain any impacts to MnDOT right-of-way. A drainage permit is required. The development will need to maintain or reduce existing drainage flow rates to MnDOT right of way. The submitted information appears to accomplish this, although the most current plan information will need to be reviewed during the permit application process. MnDOT Metropolitan District, Waters Edge Building, 1500 County Road B2 West, Roseville, MN 55113