08-17-1987 Planning Packet - Laserfiche WebLink

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Zoning File #1181 August 13, 1987 Page 2 In March of 1981, the City approved the two lot plat, Orono Hills, for the current owner providing for the division of the properties along the zoning boundary lines. The application involved the dedication of flowage and conservation easements over the wetlands (defined at the 940 elevation) and a landscape easement over 10 feet of Lot 2 along the shared lot line of Lots 1 & 2 providing a landscape buffer to the adjacent commercial property. In that approval, the City excluded from the restrictions of that flowage and conservation easement a 60 feet wide corridor for driveway purposes at the southeast edge of property at Kelly Ave. The City has reviewed several sketch plans for development of Lot 2 under a PRD seeking anywhere from 9 to 10 units. Formal subdivision plans were never filed. Review of Current Application — The current proposal involves a formal plat creating 4 lots for single family residential development. The property is served with municipal sewer and water and qualifies under Section 10.55 for wetland credit against required lot areas. The applicant is advised that the wetland area is defined at the drainage easement line and its use governed by the restrictions of the flowage and conservation easement. The dry buildable envelope of each lot meets the required minimum 1/2 acre of dry contiguous land per Section 10.55 A(2) and per 10.55 A(3) the wet areas do not exceed the dry lands within each envelope. Each lot meets the required 140 feet of width. Building sites will be located within the higher, gentler, sloped areas to the north. The engineer has asked that once the division lines are determined that building sites be designated on each lot so that the City can make recommendations as to the extension of municipal sewer and water lines. The lines would be extended within the shared drives right-of-way. The City will ask for the granting of access and utility easements over the municipal lines. The preliminary plans must designate the approved building envelopes (26 feet from 940 elevation wetland, 30 feet rear and 10 feet side). Staff approves of the two shared driveway accesses rather than private road serving all four lots. The engineer's review summarized the staff position. "difficult topography, private road construction could potentially result in greater damage to the existing wetland area adjacent to Kelly Ave," The southern access is excellent but the northern drive must be moved further north approximately 100 feet with adequate distance from the curve. The proposed access location is located across from 4 curb cuts all located within approximately 50 feet area. Sight distance is not adequate for 30 mph road. The recommended curb cut would be placed opposite the shared drive that servos