Agenda - Council - 05/28/2002 - Laserfiche WebLink

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of Adjustment meeting. Streets: In accordance with the City's newly adopted townhome street policy, there is at least one main public street proposed to service the plat. The plat has been designed with a combination of public streets and private driveway collectors, two accesses onto Alpine Drive, and two accesses to the adjacent property to the west. The most westerly access onto Alpine aligns with Germanium Street on the south side of Alpine. The most easterly access onto Alpine is 320 feet from the intersection of T.H. g47 and ,4alpine Drive, which exceeds ~[n/DOT's recommendation of 250 feet from T.H. ~47. Alpine is a Municipal State Aid (MSA) 'road and any work on an MSA route must meet State :aid'rules and policies. There are private driveway collectors extending off of the public streets that accommodate 72 of the 108 driveways. High densities of driveways make [t difficult for snow storage. On the final plat, the northTsouth public street on the east should be named Fluorine Street NW, the north/south public street on the west should be Germanium Street NW as noted, the most northerly public street e~ension to the west should be 154m Lane NW. A copy of the sketch plan was forwarded to ~LnfDOT and a response was received on March 21, 20(32. They are suggesting consideration of installation of turn-lanes and/or bypass lanes on T.I-I. #47 and Alpine Drive intersection. This intersection already has full turn lanes on T.t-I. #47. The streets a. b. plan should be' modified as follows: Concrete curb is required to be [nstalled on the north side of Alpine Dr. The plan should be revised to meet the City regulations that require a 50-fbot tangent between reverse curves. c. 32 feet is standard road width required by the City. The plan should be modified to reflect this standard. d. Temporary cubde-sacs must be provided until connections are made to future streets. e. Ali private streets longer than 300 feet must have a 32-foot street width. f. Vertical curve information must be provided for all public and private roads and approved by the City Engineer. ~ Surmountable concrete curb [s required on all public and private streets. Private street :'E" does not meet the 75° angle requirement. Driveway of Lot 5, Block 3 is too close to the intersection. Lot Areas: The City Code standards for lot sizes in the R-3 District are outdated and difficult to apply to current development trends. However, the minimum amount of area required by -293-