In the field of Transportation, DOLSAR performs engineering and consultancy services for roads, motorways, railways, airports and sea ports and their appurtenant structures including tunnels, viaducts and bridges.

Services provided include preparation of master plan and feasibility reports, conceptual/final design, application drawings, technical specifications, bill of quantities, cost estimates, tender documents, assistance to the Clients during contract negotiations as well as performance of construction supervision, preliminary and final acceptances, commissioning, monitoring and rehabilitation services during operation period. DOLSAR also provides Lenders’ Technical Advisory services at all stages of projects for banks and international financial institutions that contribute to the financing of projects carried out by investors under Public-Private-Partnership (PPP) model.

DOLSAR’s experience in this filed includes projects such as Istanbul Airport (165 mio pass./annum), Gebze-İzmir Motorway (507 km), Northern Marmara Motorway (194 km), Karakoram Motorway (130 km), Havelian-Thakot Motorway (120 km), Milot-Morine Motorway (115 km), Kayaş-Kırıkkale Double Track Railway (80 km) and Silifke-Mut State Highway (78 km). Studies performed in the field of transportation include Derince Port Master Plan and Feasibility Report, Master Plan for Hinterland Railways and Highways Connections of Seaports in Turkey and Master Plan for Fishery Coastal Structures of Turkey.

The total length of roads, highways and railways projects for which engineering and consultancy services have been performed exceeds 2,500 km.

(Selected Projects – Transportation)