08-17-2015 Planning Commission Packet

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�s-sno Auqust 12,2015 Page 3 of 5 Septic sites have been tested in the narthwesterly corner of the lot. The proposed house site easily meets the required side and rear setbacks of 50' and 104' respectively. Driveway access is via a shared driveway in Outlot B, narrowing to an individual driveway sandwiched between the west lot line and the wetland boundary. While this appears to be the only viable locaxion for a ciriveway, it likely will require a variety of special approvals and variances, related to potential filling of wetland; encroachment of wedand buffer; variance to City 5' lot Iine setback to driveway; potential floodplain encroachment and fill requiring mitigation; and the need to establish appropriate culverts and drainageways. Applicant is advised to review and address the City Engineer's comment 1.6 in his letter dated August 12, 2015. The driveway length extendiu�g from the point at which the shared driveways converge is appxoximately 900 feet. It i�highly likely the fire department will recommend that the driveway be at least 2Q feet in drivable width, and that a loop be incorporated into the driveway near the house for emergency and service vehicle accessability. Lot 2, Block 1: This lot is proposed as 10.94 acres, of which 9.36 acres is upland. The lot is somewhat irregularly shaped, and has appro�cimately 28d feet of frontage on d�rchard Park Road, with a confomung width of 320' at the 100' setback line. The proposed building site is in the eastern half of the Lot, with tested septic sites further east. Access is proposed to be a shared driveway within Outlot B,narrowing to an individual driveway. Outlots The preliminary plat depicts two outlots: Outlot A is a 70'x 1 QO' parcel intended as potential extra land far the sma110.4 acre residence lot at 480 Orchard Pazk Road,possibly for future on-site sewage treatment. Due to the proximity of wetland, however, once required setbacks are accounted for, this small parcel will provide almost no additional septic system capability for that property, and sta.ff questions whether Outlot A can be enlarged and/or relocated in order to potentially be of significant benefit to that residence. Outlot B is a 90'vsride corridor intended to accommodate the shared driveway serving Lots 1 and 2. At 90 feet in width, this coz�ridox is extremely wide as compared ta the typical 30-50' outlot for a shared driveway. It appears that the extra width is to accommodate the topography and wetlands and allow for a somewhat curvilinear driveway without crea.ting a more complex outlot configuration and description. Park/Trail Easement/Fees or Dedication Needed The CMP indicates that no future trails are proposed aiong Orchard Pazk Road, and there is no need for trail easements. Since a house currently e�sts on the site and one additional homesite is being created, payment of the standard Park Dedication fee for one new building lot at the rate $5,550 per lot would be appropriate.