土耳其最大绿色屋顶校园 | Garanti Bank BBVA 科技园区

Architects:ERA Architects

Area :142000 m²

Year :2018

Photographs :Cemal Emden

Manufacturers :  Kasso, Ikizler, SopremaKasso

Structural Engineering :MPI Melih Bulgur

Lighting Design :Planlux, Speirs + Major

Electrical Engineering :Proma Erdogan Duman

Clients : Garanti Bank BBVA

Facade Consultant : Tim Macfarlane, Glass Limited

Interior Design : Midek Mingü

Design Team : Ertun Hızıroğlu, Faik Barutçu, Fahrettin Çiloğlu, Çiğdem Duman, Serap Aydınel, Gökçen Demirkır, Melis Uysal, Sevgi Paçcı, Çağla Özgen, Elif Taşal, Ekim Orhan İsmi, Süreyya Numanoğlu, Gülizar Bozdoğan, Zuhal Özen, Şafak Kızılırmak, Elif Özil

Country : Turkey

Located between major highways of Istanbul, D-100 and TEM, in the proximity of Sabiha Gökçen Airport in Pendik, Istanbul, the project transforms an old industrial chemical factory land into a technology company campus for one of the most dynamic Turkish banks. Inspired by the natural topography around the site and the desire of creating a clear contrast to the surroundings’ unorganized urban fabric; a crystal volume as the main working environment is lying gently over several artificial hills sheltering various functions such as two 600 and 200 seats auditoriums, educational meeting spaces, cafeterias, lounges on bridges, data center and many other functions.

With approximately 142000 sqm total built area and 51000sqm site are, the campus programme is configured into three major sections: a 53,500 sqm open offices, a 16,000 sqm auditorium, educational spaces and cafeterias, a 72,500 sqm for parking, a Tier 4 data center, a sport center, common spaces, archives and service areas.

The horizontal floating volume connects the two plots of the site by the introduction of hanged bridges and glazed screen walls over 30 meters spans. The buildings’ main structure is a flat slab concrete system at the offices and exposed frame structure at the lower levels. Along the outer skin, office spaces have been freed out of columns by 4.5 to 11m deep cantilevers. All four office levels are similar.

The widest cantilevering areas are supported by large composite beams placed on the roof. The four levels office block stands partially on a transfer structure to enable the widespan volume for the auditorium located within one of the hills. Flexibility and maximizing the daylight being one of the major criteria for the working spaces, the accessibility to the office spac es has been organized through a set of elevated open courtyards where the users circulate and also have the ability to rest and socialize at lounges placed on bridges allowing many surprising views and vistas.

The transparency is used to integrate the working spaces with the city, allowing the users to interact and to create different experiences throughout the year. A strong contrast awaits the user as the elevated horizontal crystal has a sharp and decisive cantilevered appearance from outside reflecting the sky, the landscape and the city yet the inner main axis structured with rather by voids.

The user circulates through the outdoor ground levels following a path which undulates like a creek between the artificial hills. As with the ground outdoor levels, the elevated volume has been designed to allow an experience of journey for the every day user. Ponds are designed to enhance the cooling effect on the outdoors as well as on the glazed facades to reduce the temparature gain during hot seasons.

The building implements the sustainability principles overall from single and double skin facade systems with dynamic sun shading integrated with lighting, to special heating & cooling systems providing the inner spaces with hundred percent fresh air. The facades have been designed as unitized systems allowing the high quality in terms of heat and acoustic insulation as the site is surrounded by highways with heavy traffic.

During the initial stages of design when the site has been acquired, the old chemical factory has been removed. The soil has been checked further for contamination. The remainings has been dismantled into several different categories and has been sent for recycling and certified. The existing pine trees from the old factory has been kept and few displaced into newer locations within the site. The rain water harvesting is used for the landscape mainly. The green hills were obtained by a system of cables embedded into the sedum surface from top to bottom of the artificial hills. It is one of the largest green roof system applications in Turkey. The campus has received Leed Gold certificate.

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