Gebze East Loop Connection to the Marmaray Depot

The civil works for the Gebze East loop, connecting the high-speed line to the main Marmaray depot in Gebze, were carried out on behalf of the TCDD 1st Regional Directorate. The work included 2,550 m of Ø120 cm bored piles, 7,700 m of soil nails and 2,000 m² of shotcrete. Stone walls, ballast retaining walls and the civil works for signalling were also part of our scope.

Scope of work

• 012,550 m of Ø120 cm bored piles
• 027,700 m of rock bolting
• 032,000 m² of shotcrete
• 04Stone wall and ballast retaining wall
• 05Civil works for signalling