T.F. Green Airport Improvement Program - FEIS Chapters - PVD

T.F. Green Airport Improvement ProgramEnvironmental Impact Statement and Final Section 4(f) EvaluationThe Master Plan Update used the following methods to estimate future gate requirements:• Annual Enplaned Passengers per Gate Method• Annual Departures per Gate Method• Percent Increase in Annual Operations MethodNone of these methods take into account changes in gate utilization, airline gate use characteristics, gate leasingarrangements, or fleet mix through 2025; therefore they only indicate potential need based on simple assumptionsof gate demand. Detailed passenger terminal planning will be required to define the exact number and type ofgates needed to meet anticipated airline and passenger demand.The analysis indicates that up to 26 gates could be needed by 2020 (four more gates than currently provided at theAirport), and up to 29 gates could be needed by 2025 (seven more gates than currently provided at the Airport)when taking into account the Incremental Build Alternative Forecast added to the 2010 FEIS No-Action AlternativeForecast. Since up to seven additional gates may be required within the EIS timeframe with the proposed runwayextension, it is reasonable to assess the impacts of seven additional gates.Annual Enplaned Passengers per Gate MethodThis method applies the ratio of annual enplaned passengers per gate for the existing EIS year (125,209 annualpassenger enplanements per gate based on 2004) to the EIS future study years, and assumes that the current usageand utilization of the gates will remain constant over the EIS study timeframe. Table 2-5 shows the results of theanalysis of the annual passenger enplanements per gate method using the 2010 FEIS Forecasts (No-ActionAlternative and the Build Forecast). Based on the 2010 FEIS No-Action Alternative Forecast and the 2010 BuildAlternative Forecast, the analysis using this method shows that 23 to 26 gates could be needed by 2020 and 26 to 29gates would be needed by 2025.Chapter 2 – Purpose and Need 2-28 July 2011\\mawatr\ev\09228.00\reports\FEIS_Final_July_2011\PVD_CH02_P&N_JUL_2011.doc