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Memo to the Mayor and City Council/P 00-7 July 24, 2000 Page 4 Density The overall density of the 71 total units townhouse project on 24 acres is 2.9 units per acre. This is low compared to the townhouse density of around 6.5 units per acre in the Trott Brook Farms development. Typical single-family residential density is 3.5 units per acre (12,000 SF lots). The overall density in Trott Brook with townhouses and single-family homes is about 2.5 units per acre by comparison. Roads As proposed, access to the single family detached townhomes will be from 6th Street NW and from old County Road 13. The access to the twin homes is proposed to be from Twin Lakes Road (County Road 13). All roads in the development are proposed to be private and 30-feet wide (back of curb to back of curb). This is narrower than the City standard of 30-feet wide (face to face) but wider than other private roads in the City. Due to the narrower width, parking will need to be restricted to one side with "No Parking," signs placed on the other side. Private roads are held in common and maintained by the homeowners association. The City will not be responsible for maintenance, replacement, or plowing of these proposed roads. To tie into existing utilities, the developer will have to disrupt a portion of the existing 6tl~ Street NW. Presently, a portion of this right-of-way is paved and is being used for parking by the adjacent townhouses. This right-of-way should be restored with turf and the existing use as parking be ehminated. Sherburne County Recommendation The County regulates the amount of right-of-way needed and access points along County Roads. The preliminary plat shows to have one access point onto Twin Lakes Road (County Road 13). The plans have been sent to the County for review and their preliminary comments include the need for a right turn lane into the project and a request that the access line up with the Trott Brook Farms access. This issue will be addressed in future phases of the development (see the Howard R. Green Memorandum). Trail / Fire Lane The preliminary plat shows there to be two main private roads in the plat connected by a trail / fire lane. The primary reason for this is to eliminate cut-through traffic within the development. With the present alignment of County Road 13 remaining open and the likely cut-throught traffic minimized, phase two of the development will likely eliminate the culdesacs and the trail / fire lane. Trails The proposed trails connect the cul-de-sacs and the central recreation area. The trail along the Northern Natural Gas corridor comphes with the Master Park and Recreation Trail Plan. The developer has also provided a trail in the powerline easement that connects 6th Street and Line Avenue. \\elkriver\sys\shrdoc\planning\stevewen\ccmmo\pOO-7.doc