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Bregana – Zagreb – Dubrovnik Motorway

This important motorway project’s total length amounts to 156 km and consists of two separate sections. Section 1, the 13 km Bregana-Jankomir motorway, is a four-lane link from the capital city Zagreb to the border of Croatia and Slovenia, and was opened to circulation in December 2000. The other section, the 143 km Bosiljevo-Sveti Rok motorway, linking central Croatia to the Dalmatian Coast, opened in July 2004.

The motorway is considered vitally important as it provides the principal link between the Zagreb region in central Croatia and the Dalmatian coast. With this motorway, Croatia’s Dalmatian coast is now integrated with Europe’s central and western highway network.

The project was an enormous success. Enka and Bechtel, who had undertaken the turnkey construction of the motorway in April 1998, completed the project 14 months ahead of schedule, with 4,000 workers employed at the peak of the construction. The project is further distinguished for winning the 2004 Croatian Contractor Safety Award, as it was successfully realized without any compromise in quality or safety.

ENKA assisted client to facilitate US EXIM Bank and OPIC financing for the project.

Project Description

Bregana – Zagreb – Dubrovnik Motorway, Sections I & III

  • Procurement
  • Construction

Project Features

Scope of Work
Procurement, Construction
Contractor
BECHTEL & ENKA Joint Venture (each 50 % share)
Client
Hrvastske Autoceste (Croatian Motorways)
Consultant
Croatian Civil Engineering Institute
Key Quantities
Total Km156 km
Total Interchange6 ea
Total Underpass38 ea
Total Overpass20 ea
Total Bridge Length7,973 m
Total Haul Road234 km
Total Excavation21 Million m³
Total Fill19 Million m³
Total Concrete650,000 m³
Total Pile3,835 m
Total Drainage Pipe388,000 m
Total Subbase&CTB4,620,000 tons
Total Asphalt1,180,000 tons
Project Duration
Start Date01.07.1998
Finish Date01.07.2004
Duration73 Months

Location

Bregana – Zagreb, Croatia
UNIQUE CHALLENGES
  • Habitat fragmentation occurs when human-made barriers such as roads, railroads, canals, electric power lines, and pipelines penetrate and divide wildlife habitat. Of these, roads have the most widespread and detrimental impacts. To decrease this impact, in Bregana-Zagreb-Dubrovnik Motorway, 6 wildlife crossings were constructed
  • ENKA also determined 70 places of sinkholes on the alignment and adopted its construction methodology to cross over them considering all environmental aspectsThe project was completed in 14 months ahead of schedule, with 4,000 workers employed at the peak of the construction. The project is further distinguished for winning the 2004 Croatian Contractor Safety Award, as it was successfully realized without any compromise in quality or safety.
ENKA SCOPE OF SERVICES

Over the construction, 21 million cubic metres of earthwork were excavated, 0.65 million cubic metres of concrete were poured, 19 million cubic metres of fill material were used and 4.6 million tons of subbase and cement treated base, as well as 1.18 million tons of asphalt, were laid. The works also included the construction of bridges and viaducts reaching a length of 8 kilometres.

SIGNIFICANT FEATURES AND ACCOMPLISHMENTS
  • Honored with the 2004 Croatian Contractor Safety Award.

Gallery

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