Bridges & Tunnels
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PRELIMINARY & FINAL DESIGN AND CONSTRUCTION SUPERVISION ENGINEERING SERVICES FOR ISTANBUL II.PERIPHERAL MOTORWAY AND SUSPENSION BRIDGE

Project Description

The project, the Second Suspension Bridge constructed in the Bosphorus Region, improves the highway connection among the continents; Asia Europe. The project consists of 1 suspension bridge with 2x4 lanes and sidewalks, and a total of 77.1 km peripheral motorway with viaducts and interchanges. BOTEK had been associated with Freeman Fox & Partners, London on the project, which is one of the most elegant, streamlined transportation structures to mark the Bosphorus Region.

For the original structure, BOTEK prepared the preliminary feasibility report, all preliminary works, final design of all highways and connecting roads and interchanges as well as construction supervision. The project also included approaches with complex interchanges to connecting express highways and local streets, service buildings, garages and toll plazas with complete toll facilities and related equipment.

1350 Million US $

Project Details

(2x3) Motorway, 150 km long
(2x2) Connection Roads 8.588 km long
16 Viaducts (Total length of 6553 m)
8 Toll Plazas
5 Parking Areas
10 Elevated Interchanges
2 Service Areas
20 River Bridges

(Total length of 2014 m)
2 Bridges

Hasdal-Okmeydani Connection 5.0 km.

Total 77.1 km

This motorway is a part of the TEM Motorway. TEM (Trans-European North-South Motorway) is a motorway network which connects the Baltic, Adriatic, Aegean and Black Seas and it has the total planned length amounting to 23797 km, out of which 7021 km are currently in operation.

All design and engineering works are made completely according to “TEM Standards and Recommended Practice” which is published by UNECE (United Nations Economic Commission for Europe).

Services Provided

  • Preliminary and Final Design
  • Detailed Bridge Design
  • Elevated Interchange, Viaduct and Suspension Bridge Design
  • Drainage Design
  • Service Area Design
  • Cross Sections
  • Supervision of Landscape Works
  • Supervision of Asphalt Pavement Works
  • Supervision of Cut-fill Works
  • Supervision of Motorway Electric-Electronic Works
  • Supervision of Major and Minor Structure Works
  • Quality Control of the Works
  • Monitoring and Inspection of the Construction
  • Preparation of Bill of Quantities
  • Expropriation Studies