Agenda - Council - 01/14/2003 - Laserfiche WebLink

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I I I City Code requires a minimum of 40%.open space, 10% of which must be identified asa common area for use by residents of the development. The development exceeds open space requirements. The development will be serviced by'municipal water and sewer. The Park and Recreation Commission reviewed the proposed Rivenwick 3~d Addition subdivision at their August meeting: The Park Commission is recommending an 8-foot trail along Riverdale Drive extending from the western boundary line to Garnet Street. The trail will continue to extend along the northwest. side of Riverdale Park to the eastern edge of the park. Park dedication is recommended to be satisfied by a cash payment. The project is subject to the review and permitting process of the Lower Rum River Watershed Management Organization (WMO). MnDot requested that the City look af how-the traffic noise generated from U.S. Highway/ti 0 affects the proposed townhouse development.. It should be noted that the closest townhouse unit to U.S, Highway #10 is approximately 750 feet. Staff engaged the services of SRF Consulting firm to verify what requirements, if any, should be taken to address traffic noise from U.S. Highway #10. SRF his concluded that no noise mitigation should be required, as the traffic noise levels do not exceed MPCA standards. .The proposed townhouse development is. required to comply with the Density Transitioning Ordinance. The developer is proposing to satisfy density-transitioning requirements by the Landscape Buffering option. The Density Transitioning Ordinance states that when an R-2 Medium Residential Development abuts a R-1 Single Family development, the developer must provide a 25 foot wide buffer, in common ownership, with a minimum of 2 over story trees, 2 evergreen trees, and 2 under story trees per 100 feet of property abutting the adjacent R-I district. In this case, the development would be required to provide 72 trees. An established berm is located on the subject property that contains approximately 344 established over story and under story trees. The berm and adjacent open space area significantly exceeds 25 feet and will be manicured and maintained by the Home Owners Association. The Planning Commission held a public hearing and reviewed the preliminary plat on September 5, 2002. During the public hearing, a few citizens inquired about how the proposed ponds would be, maintained, what the proposed tot lot would consist of, and how the increase [n traffic would affect the. intersection of Riverdale Drive and Garnet Street. The Planning Commission tabled the item on September 5, 2002 and directed staff engage the services of a consulting firm to conduct a traffic generation analysis for the. proposed development, discuss with the developer the cost of upgrading the existing- signals on U.S. Highway #10-and how the cost is to be distributed, and provide clarification on how the existing berm will be maintained. The Planning Commission met on October 10, 2002 and continued to review the proposed Rivenwick 3'd Addition development. There was no citizen input during the continuation of the public hearing. Staff engaged the services of SRF to' complete a traffic generation analysis for the.proposed.development. The traffic generation analysis concluded that all key:interSections,- with the exception of Sunfish Lake Blvd. and Highway #10, would operate at acceptable levels of service with full buildout Of the proposed development. The intersection of Sunfish Lake Blvd. and Highway #t 0 is scheduled' to be improved:with dual southbound left turn lanes and separate left turn, through and right turn lanes on the northbound leg, The. poor level of service at this intersection is due to the general increase in traffic on Highway #10.and not solely based on the proposed t0wnhouse development. MnDot has stated that the intersection of U.S. Highway #10 and Ramsey Blvd. must be upgraded to facilitate this development. Staff engaged the services of SRF to Provide a cost estimate to upgrade U.S. Highway #10. The intersection of Highway #10 and. Ramsey Blvd. must be modified from a tee-type intersection to a cross intersection to facilitate the western access to this Subdivision. The cost of