Res 2021-069/approving the San Marcos Regional Airport Master Plan to guide the Airport’s future development and operations

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AIRPORT MASTER PLAN Acquire property or establish avigation easements necessary to protect the RPZs for Runway 31. Add additional mandatory hold position signage on Runway 17/35 at the intersection of Runway 8/26 to fully conform to FAA safety standards. Update runway designations for Runway 17/35 and Runway 8/26 during the latter portion of the forecast period due to magnetic variation changes. These development objectives were utilized as the basis for developing each of the three runway/approach alternatives for the San Marcos Regional Airport. It should be noted that the development objectives not related to the layout of the runways and approaches (e.g. adding lighted windsocks, adding PAPIs, additional runways signage, and updating the runway designations) are not depicted in the alternative drawings for clarity. However, these items will be incorporated, as appropriate, into the Airport Layout Plan (ALP) developed based on the preferred alternative. The three runway/approach alternatives are described in the subsections below. A key development objective identified during the facility requirements process was the need to develop Runway 17/35 into a more suitable primary runway for the San Marcos Regional Airport. As a result, the first runway/approach alternative focused on extending Runway 17/35 to the maximum length possible without requiring the relocation of any significant infrastructure (e.g. TX 21, railroad tracks, etc.). Specifically, this alternative included: Runway 17 was extended 500 feet to the north where the northwest corner of the Runway Protection Zone (RPZ) stops just short of TX 21; and, Runway 35 was extended 600 feet to the south where the southwest corner of the RPZ stops just short of a small dirt road associated with the Gary Job Corps facility. The runway was not extended further south toward the existing railroad track to allow space for a future paved roadway that would ultimately connect the Airport with the SMART Terminal facility. In total, this alternative extends Runway 17/35 to 6,314 feet in length. This was determined to be the maximum length that could be achieved for Runway 17/35 without requiring the relocation of significant Alternatives Chapter Page 3of 60 October 2020