09-22-1997 Council Packet - Laserfiche WebLink

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% Request for Council Action continued Page 2 September 18,1997 #2279/2280 G. Marc and Tracy S. Whitehead, 1220 Lyman Avenue - 3 Lot Subdivision and Right- of-Way Vacation - Preliminary Plat Approval Commission ultimately tabled that proposal and directed the applicant to explore a 3-lot plat, with each lot containing primary and alternate drainfield sites, and with a potential driveway outlot corridor rather than a cul-de-sac adjacent to 1290 Lyman Avenue. Three Lot Proposal Applicants returned to the September 15 Planning Commission meeting with a 3-lot proposal incorporating the existing residence plus two new buildable lots. Plea.se review the preliminary plat drawing (Exhibits A & B of Sept. 12 memo). Lot 1 is a "back lot" meeting the three acre minimum area requirements. The defined front line of Lot 1 is its east lot line abutting Lot 2. Staff and Planning Commission recommend approval of a 50' front (east) lot line setback rather than the 75' required by the back lot ordinance for Lot 1. Applicant has agreed to a 50' south side setback to the adjoining boundary' with 1290 Lyman Avenue where only a 45' setback would normally be required under the back lot ordinance. Lot 1 will be accessed by Outlot B, a 30' driveway corridor that will be shared with Lot 2. Outlot A is intended as a buffer to be left in a natural or enhanced vegetative state to provide a buffer and screening between the private driveway and 1290 Lyman Avenue. Note that without this buffer outlot, the 1290 Lyman side setback would become non-conforming due to the creation of the driveway outlot. Lot 2 would share access from Outlot B. Planning Commission has recommended that Lot 2 not be allowed to access directly to Lyman Avenue due to sight distance concerns. Lot .3, \vith the existing house, has an existing driveway accessing the privately owned easement portion of Lyman Avenue to the east of applicant's property. After revie\ving the potential impact on trees of replacing that driveway within the boundaries of Lot 3, Planning Commission recommends that the existing driveway be allowed to remain as-is. Planning Commission spent a significant amount of time discussing road safety issues. The portion of Lyman through and east of applicant's property is a privately owned and maintained gravel driveway about 12' wide. The portion within applicant's property will be dedicated as public road on the plat. Due to the sharp curve at the southeast comer of applicant's property and the lack of a cul-de-sac serving the neighborhood. Planning Commission recommended that additional right-of-way be granted at the curve to allow future improvements to the road, and suggested the City grant an easement to applicant over portions of that newly acquired right-of- way that may be needed for the primary septic system to serve Lot 2, if the right-of-way encroaches it. The intent of the Planning Commission was to provide for future upgrade of Lyman Avenue but delay such upgrade until such future time that the septic system is no