Terminal Sizing & Capacity Assessment

ADC has significant expertise in the sizing and capacity assessment of terminals and has developed the following methodology.


  • Data input: Future space requirements for the passenger terminal facilities are defined by a number of factors such as the level of service to be provided (either in terms of maximum queuing time or space per passenger allowance), process rates, proportion of passengers using the facilities, etc.
  • Key factors: It is difficult to establish a precise, quantified relationship between available space, time and level of service. Many factors, such as passenger behaviour patterns, psychological requirements and passenger comfort can affect the space required in relation to the occupancy time. In addition, passenger/baggage processing technologies are constantly changing (eg the introduction of self-processing check-in and bag drop, gate check-in, passport readers and security biometrics), which impact on dwell times, floor space requirements and ultimately terminal size..
  • BHR’s & IATA LoS: The principle drivers for determining the future size(s) of the terminal are the traffic forecast BHR’s and the IATA level of service (LoS). We use the data in the traffic forecasts, subject to our review, and the IATA program to calculate the space requirements/no of processors for each planning horizon. The IATA formulae are not perfect and sometimes produce inconsistent answers; we have developed our own data, empirical knowledge and models.
  • Sensitivity: The calculations require processing times and ratio of number of visitors to passenger or average number of bags/passenger and so on. In the absence of accurate data and/or agreement with the stakeholders, industry averages benchmarked against other similar airports will be used and space requirements calculated to show a ‘range of’ and the level of sensitivity of the assumed data.
  • Process: Our area calculation process starts by calculating the operational space required for passengers and baggage, including necessary F and B and retail areas. The total terminal floor area is then determined by the proportion of operational space to support space.

 

 

 

 

Please refer to Projects for relevant experience

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