JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV AIRPORT, RAILWAYS AND WATERWAYS Previous Question Paper (September - 2022 - R18)

Airport design requires a functional integration of airside and landside facilities to ensure safety, efficiency, and passenger comfort. Key features include:

• Runway System: The primary surface for aircraft takeoff and landing. It must be oriented based on wind rose diagrams and designed with appropriate length and strength to accommodate the design aircraft.
• Taxiway System: Provides the path for aircraft to move between the runway and the apron. These are designed to minimize runway occupancy time and ensure smooth transitions.
• Apron and Gates: Designated areas for aircraft parking, loading/unloading of passengers, cargo, and refueling. Facilities include passenger boarding bridges or remote stands with ground support equipment.
• Terminal Building: The interface between ground and air travel. It houses check-in counters, security screening, immigration/customs, baggage handling systems, and passenger amenities like lounges and retail.
• Air Traffic Control (ATC) Tower: A facility providing visual and radar surveillance of the airport movement area to manage aircraft flow and ensure separation.
• Ground Access and Parking: Infrastructure including roads, public transport links, and car parks to facilitate the efficient movement of passengers and staff to and from the airport.

The selection of an airport site is a critical decision involving technical, environmental, and economic considerations to ensure long-term viability:

• Meteorological Conditions: Wind direction and speed (wind rose analysis) are paramount for runway orientation. Visibility, fog, and precipitation patterns also influence operational reliability.
• Topography and Soil Conditions: The site should ideally be flat to minimize earthwork. Soil bearing capacity must be sufficient to support heavy aircraft loads without excessive settlement.
• Obstructions and Airspace: The surrounding area must be free from tall buildings, hills, or towers that could interfere with approach and departure paths.
• Accessibility: The site must have proximity to the city center and be well-connected to existing road and rail networks for efficient passenger and cargo movement.
• Environmental Impact: Consideration of noise pollution levels, potential displacement of communities, and the impact on local flora and fauna.
• Future Expansion: The site must provide sufficient land area to accommodate future runway extensions or terminal expansions as traffic grows.
• Economic Factors: Land acquisition costs, development expenses, and the availability of utilities like water, electricity, and drainage systems.