Sabiha Gokcen Airport New Terminal Building

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Sabiha Gokcen Airport New Terminal Building
SABIHA GOKCEN AIRPORT NEW TERMINAL BUILDING Sabiha Gökcen International Airport was initially built with the aim of forming an alternative transportation hub on the Asian side of Istanbul in order to accommodate the needs of the rapidly developing metropolis. The existing terminal facilities on site serving 4 million passengers per year were rendered inadequate in just a few years with the booming demand for airline travel. Therefore, in June 2006, a limited architectural competition for “New Airport Terminal, Apron and Car Park Design` was organized by Heas (Airport Management and Aerial Industries Company) and Defense Industries Under secretariat among architects who were previously awarded in similar airport terminal architectural design competitions. Following the evaluation phase, the design prepared by Tekeli-Sisa Architectural Partnership was chosen for application among the four invited contestants. After the competition phase, the project was constructed following a BOT (build-operate and turnover) tender among private entrepreneurs and the whole complex was fully operational on Oct 31st, 2009 following a construction period of just 18 months. The project's main element is the terminal building serving both domestic and international flights with a total construction area of 227.000m². Other facilities such as a 128-room airport hotel, VIP Block, apron extension and 4000 car capacity multi storey car park and 1500 car capacity open parking area complement the complex. The airport authorities requested the terminal to serve both domestic and international flights after the competition phase. Therefore, the initial design was slightly modified in order to implement domestic passenger traffic into the design. Now, with the final layout, the new terminal can accommodate a total of 25 million passengers per year. In the future, if extension possibilities are used, the terminal will be able to serve 40 million passengers per year. The 110.000 m² multistory car park has 3 subterranean floors at 8X16 mt modular spans constructed with prefabricated pi (?) slab floor elements. The car park is connected to the terminal with 2 connection blocks. A feeling of locality and belonging to Istanbul was aimed as the main architectural approach in the design of the terminal as well as keeping the harmony with the international feeling of modern terminals. In order to enhance this feeling, artworks of contemporary Turkish artists were used as decoration elements in the interior design. Several interior gardens, visible from the check-in and departure halls, were placed at the mezzanine level and the samples of local flora were used in the landscaping of the gardens. The departure and mezzanine floors are covered with 7 arched bays forming a high and spacious volume on the main departure passenger zones. This wavy vaulted form with alternating 32 and 48 mt. spans constitutes the main and most prominent architectural design element of the terminal building. The resulting distinct roofline serves as a landmark element with local references visible even from distant access roads. At the same time, the roofline is in harmony with the curved roofline of the existing terminal building on site maintaining unity along the apron. The terminal has a hybrid structural system. While, the basement floors are constructed with reinforced concrete, the upper floors are completely built in structural steel. In the inner layout, strict contemporary airport administration principles and requirements were taken into account with short and easily perceivable passenger routes to and fro aircrafts. The building is seismically protected by seismic isolators located between the arrival floor and the first basement floor, ensuring that the terminal will be immediately operational following a major earthquake. The pier block located on the airside of the terminal has 8 flexible MARS (multiple aircraft ramp system) gates able to serve alternatively 8 wide body aircrafts or 16 regular size aircrafts. 16 passenger bridges on the departure floor, and 8 passenger bridges on the arrival floor, connect the pier block to the fixed link blocks of the boarding gates. The solid surfaces on the façade are covered with fiber reinforced concrete panels enhancing a lasting architectural approach. On the south side of the terminal, solar protection is provided with 3 mt wide cantilevered façade and wood impression grill elements. DATA SHEET Terminal Building Capacity (Passenger/Year): 25.000.000(expandable to 40.000.000 ) Terminal Building Total Construction Area:345.000 m² Number of Passenger Gates / Bridges: 16 MARS gates / 24 bridges Total Check-in Counters: 96 Car Parking Capacity (Vehicles): 4792 Baggage Receipt Conveyor: 6 Investment Cost: 330.000.000 EURO Hotel Block: 128 rooms VIP Block: 2500 m² Number of Staff: 2390 employees Concrete Used; 280.000 m³ Granite Cladding and Flooring: 64.000 m² Number of AHU’s: 122 HWAC Ducting:70.000 m² Piping:164.000 m Cabling:1.500.000 m Roof Cladding: 43.000 m Largest Seismically Isolated Building in the World

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