Signature Projects

Structural Steel

İZMİT BAY CROSSING SUSPENSION BRIDGE

World's 4th longest Suspension Bridge 

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GENERAL LAYOUT

OVERALL

TOWER

GIRDER

Total Lenght:2,682 m
Main Span:1,550 m
Total Weight:52,000 t
Year Completed:2016
Tower Height:252 m
Number of Tower Blocks:104 pcs
Block Weight:130 - 360 t
Tower Total Weight:18,200 t
Girder Width:36 m
Number of  Girder Blocks:113 pcs
Block Weight:230 - 400 t
Girder Total Weight:33,800 t
overall (4)

DIVISION OF WORKS

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Çimtaş  Gemlik Works
Tower Blocks Detailing, Supply and Fabrication, Ground Assembly, Trial Assembly and Delivery to Final Location under Hook for Installation.

Girder (Deck) Panels Detailing, Supply, Fabrication and Transportation to the Çimtaş Module and Shipyard.

Çimtaş Gölcük Module & Shipyard
Ground Assembly of Girder Panels into Girder Blocks, Trial Assembly and Load-out for Transportation.

DCIM100GOPROG0014197.
Erection (3)

Developer:              
Otoyol Investment and Operation Co., Inc.
EPC Contractor:       
NÖMAYG JV
Bridge Contractor:   
IHI Infrastructure Systems & ITOCHU Consortium
Bridge Fabricator:    
Çimtaş Gemlik Works
Ground Assembler:  
Çimtaş Module and Shipyard, Gölcük