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AIRPORT MASTER PLAN <br /> <br />T AXIWAY A LTERNATIVES <br />Various layouts for the taxiway system were considered once the preferred <br />runway/approach alternative was selected. The primary purpose of the taxiway <br />system at an airport is: <br /> Provide for the safe and efficient movement of aircraft to/from the runways <br />to various aircraft parking locations on the airfield (e.g. ramps, hangars, etc.). <br /> Minimize Runway Occupancy Time (ROT) to improve runway capacity. <br />The taxiway system at the San Marcos Regional Airport was analyzed extensively to <br />identify potential changes needed during the forecast period. The taxiway <br />development objectives established as a result of the facility requirements analysis <br />include: <br /> Improve taxiways to TDG-3 standards as they are rehabilitated and monitor <br />for potential fleet mix shift to Bombardier Q400 aircraft (a TDG-5 aircraft). <br />Improve to TDG-5 standards if this fleet mix shift occurs. <br /> Resolve the seven identified taxiway layout configuration issues. <br /> Improve airfield marking and signage related to the Taxiway Alpha/Charlie <br />intersection. <br /> Establish aircraft run-up areas at the approach end of Runway 17, 31 and 35. <br /> Improve taxiway access to the approach end of Runway 17 to reduce taxi <br />times. <br /> Improve taxiway weight bearing capacity. <br /> <br />These development objectives were utilized as the basis for developing each of the <br />three taxiway alternatives for the San Marcos Regional Airport. It should be noted <br />that the development objectives not related to the layout of the taxiways (e.g. <br />marking and lighting at the Taxiway Alpha/Charlie, aircraft run-up areas, and <br />taxiway weight bearing capacity) are not depicted in the alternative drawings to <br />reduce clutter. However, these items will be incorporated, as appropriate, into the <br />Airport Layout Plan (ALP) developed based on the preferred taxiway alternative. <br />The three taxiway alternatives are described in the subsections below. <br /> <br />Alternatives Chapter Page 19 of 60 <br />October 2020 <br /> <br />