5.3 PCSR 01-27-2015 - Laserfiche WebLink

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Subdivision History The first phase of the West Oaks Subdivision was approved in 2003 and subsequent additions were approved in 2004 and 2005. Within the last year the applicant has been working with the city on the fifth and sixth additions. These phases included a number of subdivision exemptions to reconfigure property lines as building footprints and configurations were modified to fit market conditions. A Zone Change, for a portion of the subdivision, along with a preliminary plat, final plat, and PUD for the fifth addition were approved by the City Council on November 3, 2014. The applications before the Planning Commission are an expansion of the approved PUD and work towards consistency throughout the subdivision. Analysis Plat The preliminary plat includes the re- platting of 62 townhome units to 44 detached single - family townhome lots, and eight common lots. Existing city streets, associated right -of -way, and private streets will not be modified as part of this project. Additionally, the existing privately owned townhomes within the project area are not included in the plat. The lot and block numbers for the proposed lot must be revised as part of the final plat. Site Plan The existing four and six townhome units are proposed to be reconfigured into three and four detached single - family townhome units. The private streets, 183rd Lane, 184`h Ave, and 184`1, Lane, will not be modified and will still continue to provide access for the residences. Each of the 44 single - family homes have their own lot and include a separate driveway. Proposed setbacks are 20 feet from existing right -of -way lines or to the back of the curb on private streets, five feet along the sides, and rear setbacks range between two and 25 feet. None of the proposed units are proposed to be closer than 25 feet from the plat boundary. This is a reduction from the required 30 foot front and 10 foot side setback requirements in the R -3 zoning district. The applicant is requesting the reduced setback as dispensation for reducing gross density of the current plat from 6.08 units /acre to 4.31 units /acre. This change is similar to the Kliever Lake Fields projects approved in 2013 and 2014. The side yard setback is the same as the current garage setback and the 20 foot front yard setback provides enough space to park a vehicle out of the city right -of -way and off of the private streets. Grading and Drainage Minimal grading modifications are required and the construction limits do not extend beyond the previously approved plat boundary. Silt fence will be installed to prevent materials from reaching the nearby wetlands and stormwater inlets will protected from sediment runoff. The site plan modifications reduce the overall impervious surface area, ensuring drainage impacts are within the design parameters of the original West Oaks Plat. The previous wetland delineation identifying wetlands west of Yankton Street has expired. A new delineation will need to be approved before the Final Plat for that area will be released. Utilities Each unit is required to be individually served by both city water and sewer. Public improvements were installed as part of the West Oaks project. With the reduction in dwelling units, 14 of these connections will need to be abandoned. ERMU Policy requires disconnection at the main line, impacting the street and curb, and the sanitary connections will abandoned at the property line, with no impacts in the public N: \Departments \Community Development \Planning \Agendas \PC Agenda Packets \2015 \01 -27- 2014 \5.3 sr P 15 -01 PC West Oaks PUD.docx