© GMW MIMARLIK

Eurasia Tunnel Operation and Maintenance Building // GMW MIMARLIK

Istanbul, Turkey

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The Operation & Maintenance Building designed by Istanbul based architectural practice GMW MIMARLIK is a contemporary building with a distinctive architectural expression, which not only meets its functional and technical requirements but also responds to its immediate context and symbolizes the highest technological level of Eurasia Tunnel. GMW MIMARLIK, under the leadership of Ali Evrenay Ozveren, Dicle Demircioglu and Pinar Ilki Emekci, has been responsible for major transportation projects around the world including several international airport terminals and train stations.

© GMW MIMARLIK

© GMW MIMARLIK

© GMW MIMARLIK

© GMW MIMARLIK

One of their recent commissions was for the design of the Operations & Maintenance Building for the Eurasia Tunnel of Istanbul’s Bosphorus. Operations & Maintenance Building is the nerve center of Eurasia Tunnel, a major infrastructure project connecting the Asian and European sides of Istanbul’s Bosphorus, having a 14.4m diameter and 5.4km long two-deck, 3.4km of which is bored 25m below the sea bed.The 2-storey tube-like built form of the O&M Building hovers above the ground level maintenance facilities, and symbolizes the tunnel entry from the Asian side.

© GMW MIMARLIK

© GMW MIMARLIK

© GMW MIMARLIK

© GMW MIMARLIK

The design objective has been to create a contemporary building with a distinctive architectural expression, which not only meets its functional and technical requirements but also responds to its immediate context and symbolizes the highest technological level of Eurasia Tunnel. The natural contours of the site have been maintained as a landscaped hill and the maintenance components of the building have been disguised behind the site contours leaving the office structure floating freely above.

© GMW MIMARLIK

© GMW MIMARLIK

© GMW MIMARLIK

© GMW MIMARLIK

The double-skin façades protect the energy efficient building interior from the sun. The outer skin formed in perforated metal panels, with a subtle wave-like motif, not only serve to provide solar protection but also create a glowing symbol for this great engineering feat at night. Credits:Architects: GMW MIMARLIKLocation: Istanbul, TurkeyPartners: Ali Evrenay Ozveren, Dicle Demircioglu, Pinar İlki EmekciTeam: Dicle Demircioglu (Partner in Charge), Oya Kayabas, Russell Jones, Ezgi Ak, Gokce Nazan Berdan, Damla Turan, Zeynep Sumbul Enhos, Ceyda Cihangir, Okan Akben, Berk SakArea: 4800 sqmProject Year: 2016Photographs: Gurkan AkayManufacturers: Dorma, VITRA, Ytong, HaefeleClient and Main Contractor: YMSK JV (Joint Venture of Yapı Merkezi Insaat Sanayi A.S.

and SK Engineering & Construction Co. Ltd).

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