السبت، 22 أكتوبر 2011

Airport General LayOut



*      The master plan of an airport may be characterized as : a plan for the airport construction that considers the possibilities of maximum development of the airport in the given locality as well as it is necessary to include not only the space of the airport itself and its facilities , but also other land and communities in its vicinity that are affected by the airport activities.

*      The master plan of an airport is only a guideline and not a program of construction, so it does not solve details of design. In a financial plan, it is only possible to make approximate analysis of alternative for development; it determines the strategy of development but not a detailed plan of how to ensure financing of each of the construction stages.

*      Airport layout plan must get necessary approval from the Airport and Airway Improvement Act of 1982 (AIP) to receive financial assistance.

*      An approved layout master plan enables the airport sponsor and the FAA to plan for facility improvements at the airport and give the chance for the FAA to anticipate budgetary and procedural needs.

*      FAA protects the airspace required for facility or approach procedure improvements for the approved ALP.

Layout Master Plan is only a guide for
1.    Development of facilities.
2.    Development and use of land in the airport vicinity.
3.    Determination of impacts of the airport development on the environment.
4.    Determination of requirements for ground access.

*      It is necessary to actually construct each of the planned facilities only when an increasing volume or traffic justifies it, therefore the master plan of an airport should include the plan of the phasing of the stages of building.
Purpose of an airport master plan
v  General part
A.   Airport master plan is a guide for:
      development of airport facilities, for aeronautical and non-aeronautical services
      development of land uses for adjacent areas
      environmental impact assessment
      establishing of access requirements for the airport
B.   Beside others an airport master plan is used to:
      provide guidance for long and short term planning
      identify potential problems and opportunities
      be a tool for financial planning
      For communication with local authorities and communities.
Types of actions during the airport master planning
1.    Policy/coordinative planning:
      setting project objectives and aims
      preparing project work programs, schedules and budgets
      preparing an evaluation and decision format
      establishing co-ordination and monitoring procedures
      establishing data management and information system

2.    Economic planning:
      preparing market outlooks and market forecasts
      determining cost benefit of alternative schemes

3.    Physical planning:
      system of air traffic control and airspace organization
      airfield configuration including approach zones
      terminal complex
      utility communication network and circulation
      supporting and service facilities
      ground access system
      over-all land use patterns

4.    Environmental planning:
      preparing of an environmental impact airport assessment
      project development of the impact area
      determining neighboring communities’ attitudes and opinions

5.    Financial planning:
      determining of airport development financing
      preparing financial feasibility study of alternative
      preparing preliminary financial plans for the finally approved project alternative
Master plan update recommendation
      Master plan and/or specific elements should be reviewed at least biennially and  adjusted as appropriate to reflect conditions at the time of review
      Master plan should be thoroughly evaluated and modified every five years or more often if changes in economic, operational, environmental and financial conditions indicate an earlier need for such revision.

Actually we can say that the ALP mainly consists of 3 vital parts as follow:
1.    Airside
2.    Landside
3.    Major Building
v Airside features
      Runways locations & Marking
      Taxiways locations
      Aprons locations
      Navigation Aids
Ø  Runway: is a strip of land at an airport on which aircraft can take off and land and forms part of the maneuvering area.
Ø  Taxiway: is a path on an airport connecting runways with ramps, hangars, terminals and other facilities. They mostly have hard surface such as asphalt or concrete, although smaller airports sometimes use gravel or grass.

Ø  Apron: apron is the part of the aerodrome set aside for loading, unloading or maintaining aircraft.
Ø  Navigation Aids: the ALP contains the drawing for the control tower location where the navigators can direct the pilot during the departure.
v Landside features
      Main Buildings with building identification numbers
      Parking Area and fencing
      On & Off Airport access roadways network
      Physical features such as topographic contours
      Land use drawing ( such as airport city)









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