Planning Commission Agenda and Packet 2025 09 25

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new hospital campus within the Redtail Ridge development on Lot 1, Block 2 of Redtail Ridge Filing No. 1. The following summarizes the proposed amendments: Avista Adventist Hospital GDP, Amendment No. 2 • Reduce the maximum building area allowed from 750,000 sq. ft. to 398,694 sq. ft., which represents existing development within the GDP boundary. • Dedicate to the City an approximately 7.5-acre parcel for use as Open Space, noted as Lot B on proposed GDP amendment (proposed Lot B). • Modify the building setbacks adjacent to Lot B to be 5' for parking and drive aisles and 20' for buildings. This replaces a 50' setback for two-story buildings and 100' setbacks for three-story buildings on north side of the development, and a 75' setback for all buildings on the northwest side development, but will increase overall setbacks from adjoining residential development when taking into consideration the Lot B dedication. ConcoPhillips Campus GDP, Amendment No. 1 • Add 364,400 sq. ft. of allowed development area to the Lot 1, Block 2 of Redtail Ridge Filing No. 1, which was purchased by Portercare Adventist Health Systems. The building area allowance would be in addition to the maximum 2,542,380 sq. ft. of allowed building area within the Redtail Ridge development, bringing the total development cap to 2,906,780 sq. ft. The Avista Adventist Campus GDP would remove 351,306 sq. ft. of future development potential from that GDP area, resulting in a 13,094 sq. ft. net increase in development areas between the two GDP areas. • Establish three height zones for: O 2-3 story buildings (maximum of 45' tall, 50' to parapet, 65' to mechanical screen), O 4 story buildings (maximum of 60' tall, 65' to parapet, 80' to mechanical screen), and O 5 story buildings (maximum of 85' tall, 90' to parapet, 105' to mechanical penthouse). • Establish building massing standards to ensure architectural interest and moderate visual impacts of taller building elements. This includes design standards for building projections and building step -back standards for building elements above 45' in height. BACKGROUND Avista Adventist Hospital GDP The original Avista Adventist Hospital campus was annexed into the City in 1986 and zoned Agriculture. The property was then platted and developed as the Centennial Health Park, starting in 1987. There have been six subdivision plat amendments, with the last amendment taking place in 2002. The subdivision plats have resulted in the establishment of multiple parcels for the development of medical facilities and offices, public utility and access easements, and right of way dedication for Health Park Drive. • 1987 — Health Park Subdivision Filing No. 1 • 1988 — Health Park Subdivision Filing No. 2 2