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Memo to Planning Commission/P 02-08 April 23,2002 Page 4 • Staff suggests that the Commission consider an alternative layout for this townhouse cluster. The alternative should reduce or eliminate the driveways that access on to Smith Drive.One alternative(Alternative A) would eliminate the townhouses that access on to Smith Drive and replace them with four single family lots on Smith Drive and one on Trott Brook Parkway.A second alternative(Alternative B) would eliminate the townhouse driveways on to Smith Drive by extending the unnamed dead end street to Smith Drive. The second cluster of townhouses is located on the south side of Trott Brook Parkway. These 30 units will have access from Trott Brook Parkway by a private street,Tyler Court. There is one townhouse, unit number 17,that is setback approximately 15 feet from the wetland.Typically a 20 to 25 foot usable rear yard is required for townhomes.The backs of these units face wetlands or storm water ponds and take advantage of views of the open space. The third cluster of townhouses is also located on the south side of Trott Brook Parkway. These 41 units will have access from Trott Brook Parkway by a private dead-end street, Vance Street. This dead-end is about 1100 feet long. There is also a short dead-end street within the cluster; 11 units will have access from this street.These townhouses back up to wetlands and open space. The length of the dead end (1100 feet) and the number of units that will utilize this single access(41)are a concern.The applicant is proposing some type of emergency access across the gas line easement to Vance Street in the adjacent six acres. However, the applicant has not provided staff with a design. Staff is recommending that • Vance Drive be connected to Tyler Court in order to provide a second access to these units. This type of connection was required to address a similar situation in Windsor Park 3rd Addition. The fourth townhouse cluster is located on the east side of Twin Lakes Road. These ten units will have access from Twin Lakes Road by a private dead-end street, Vance Street. Four of these units will back up to open space,the other six back up to the city well and water treatment building. Building Elevations The proposed townhouses are 2-story row style homes.The front of the buildings consist of brick and vinyl.The bottom 1/3 of the front is brick and the remainder is vinyl lap siding. There are three larger peaks and five smaller peaks on the front elevations.These peaks have a vinyl shake style siding. The front elevation appears to be fairly flat. The entrances are covered by a 6 foot wide overhang and this roofline extends along the entire length of the building. The rear and side elevations are entirely vinyl lap siding.Decks are included on the rear of the buildings. The applicant has not indicated a color preference.Utilizing several different color schemes would break up the monotony of the building design. • S:\PLANNING\Case Files\P 02-08 Marshes of Trott Brook\PC4-23.doc