Agenda - Planning Commission - 10/07/2010

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CASE # a, REQUEST FOR PRELIMINARY PLAT REVIEW ALPHA DEVELOPMENT AND SITE PLAN REVIEW OF LEGACY CHRISTIAN ACADEMY; CASE OF COLUMBO LIMITED PARTNERSHIP By: Amber G. Miller, Planning Manager Background: Columbo Limited Partnership has applied for a major plat and request for site plan review for a new K -12 private school generally located generally located west of Armstrong Blvd, south of Alpine Dr and north of the railroad tracks. - Observations: The Project includes a major subdivision within the Pine Shadows Addition to accommodate a future 225,000- 275,000 square foot school. The Subject Property is 184.91 acres and is currently Zoned R -1 Residential, R -2 Residential, R -3 Residential and TC -2 Sub - District. The plat proposes to subdivide the parcel into three separate parcels, one lot and two outlots: Lot 1 is proposed to be 96.087 acres, 85.28 acres of which are proposed to rezoned to Public /Quasi Public and require Comprehensive Plan Amendment; while Outlots A and B are proposed to be 35 acres and 45.196 acres, respectively. Additionally, there will be 8.635 acres of Right -of -Way. All lots meet minimum lot width, frontage, and size requirements for all of the zoning districts. The site proposes two accesses from an extension of Bunker Lake Blvd. as a local street within a proposed 120 foot right -of -way. Upon development, Outlot A would access an improved Puma St. and Alpine Dr and Outlot B would access from the extended Bunker Lake Blvd and potentially an improved Puma St Full build out of Bunker Lake Blvd it is planned as a four lane road with two lanes in each direction. A first phase is being proposed to construct one lane in each direction, cul -de -sac terminating just west of the softball fields. The proposed cul -de -sac exceeds the 600 foot maximum length that exists in Section 117- 614(c)(7) of City Code, therefore revisions should be made to extend Bunker Lake Boulevard all the way to Puma Street Puma Street should then be upgraded to minimum City paving standards to Alpine Drive (including a trail) to serve as a secondary access into the project area. In addition, the westerly leg of the Bunker Lake and Annstrong Blvd intersection would need to be constructed full width, based upon the revised traffic analysis and ultimate intersection .design. Consistent with the City's comprehensive trail plan and 2030 Comprehensive Plan, an off road trail easement is shown on the northern edge of the wetland on Lot 1 and the southern edge of Outlot A. However, as the easement is proposed as 10 feet and Staff would like this easement to be a minimum of 20 feet and requests the trail to be built with the proposed improvements, which construction costs could • be credited against the required trail development fees. Further, additional trail easements would be required along the east side of Lot 1 so that a continuous route is maintained through the site from Puma/Alpine to Bunker /Armstrong. In addition, the Applicant proposes a trail on the north side of Bunker Lake Blvd to Puma St and then north to Outlot A along Puma Street. 11