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Chodai Signs on the Contract of Construction Supervision on Izmit Bay Crossing Bridge in Turkey


Chodai recently has agreed to join JV together with Yuksel proje(Turkey), known well as a competent Turkish construction consulting company, and Emay(Turkey), to make a bid for Consultancy Service during the Construction Period of Construction of Gebze-Orhangazi-Izmir (Izmit Bay Crossing and Connection Roads included) Motorway with Build-Operate-Transfer Model, Operation and Transfer Project, and then at the early of May, the JV has signed a TRY 160 million (USD 88.3 million) contract successfully with Turkish Highway Authority (KGM, named in Turkish) in Turkey. The project will take 87 months in total.


Many engineering companies in the world invited for a public bid of the project have competed together with by proposing the technical plan and expertise, and among them, Chodai was selected as the most qualified and finally awarded for the project, which indicates Chodai is not only proved as a top engineering company in the world but also has a good opportunity to be able to provide the highly qualified services regarding the Design and Construction Supervision for Suspension Bridge.  


The contract involves providing the construction supervision service on the Highway of Gebze-Orhangazi-Izmir (L=420km), connecting Istanbul to Izmir, the third largest city in Turkey, and Chodai is mainly responsible for conducting the construction supervision task on Izmit Bay Crossing Bridge, the fourth longest suspension bridge (L=2,907m, main span L=1,550)  in the world when completed.


In addition, Izmit Bay Crossing Bridge is expected to be built to have a key role as a part of highly efficient social infrastructure, and will be Made in Japan in cooperation with IHI Infrastructure Systems Co., Ltd., and ITOCHU Corporation already have signed an EPC contract for Izmit Bay Bridge construction work with NOMAYG JV, the multinational consortium and the holder of this BOT project.


In Turkey, for the development of further highway network, new world scale suspension bridge projects like 3rd Bosphorus Bridge and Dardanelles Strait Bridge are upcoming. With the long-span bridge technology and know-how gained from many projects in the past, Chodai will develop further the technology as well as continue to promote activities aiming at getting awarded for those new projects.



Photo by IHI Infrastructure Systems Co., Ltd.