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Memo to the Planning Commission/P 00-7 May 23,2000 Page 3 The townhouse development as proposed, does not meet the minimum setback • requirements of the R3 zoning district. Townhouse developments designed in this fashion are typically developed as a Planned Unit Development. As proposed all town homes and twin homes will be setback a minimum of 22-feet from the private roads with room for 2 parked cars in the driveway. As proposed, the twin homes will have a minimum distance between structures of 20 feet. As proposed, the detached single-family town homes will have a minimum distance between structures of 15 feet. The R3 zoning district requires a 10-foot setback from property lines that would result in a 20-foot separation between structures. The minimum lot area in the R3 zoning district is 4,500 SF. The proposed twin homes have a lot area of only 2660 SF. The proposed single-family detached town homes have a lot area of only 3280 SF. Neither the twin nor town houses meet the minimum lot area required in the R3 zoning district. The R3 zoning district was not created with common areas in mind. Typically townhouse developments with common land and smaller lots are developed as Planned Unit Developments. Twin Lakes Townhomes should be platted as a Planned Unit Development. Roads Access to the property will be from 6th Street NW, from the old County Road 13 (to be cul-de-laced) and from County Road 13 (Twin Lakes Road). All roads in the development are proposed to be 30-feet wide (back to back) private roads. This is 11 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, the roads will need to be signed no parking on one side. Private roads are held in common and maintained by a 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 6th 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 eliminated. Sherburne County Right-of-Way The County regulates the amount of right-of-way needed and access points along County Roads. The development proposes to have one access point onto Twin Lakes Road. The plans have been sent to the County for review. Trail/Fire Lane The two main roads in the plat are connected by a trail/fire lane. The trail/fire lane will have to be designed and constructed to the Fire Chiefs specifications with a 20 foot width and able to support emergency vehicles. A break-away barrier will have to be installed to keep cut-through traffic off of the trail and this barrier will • have to be approved by the Police and Fire Chiefs. \\elkriver\sys\shrdoc\planning\stevewen\pcmmo\p00-7.doc