News in English     | 14.03.2023. 14:19 |

Rajšter: Construction of the Prenj Tunnel is the biggest construction challenge on Corridor Vc 

FENA Vanja Tolj, Photo: Amer Kajmović

SARAJEVO, March 14 (FENA) - The construction of the Prenj Tunnel on Corridor Vc is one of the biggest construction and engineering challenges in Bosnia and Herzegovina and it will be one of the longest road tunnels in Europe when finished, said tunnel designer from Slovenian company Elea iC, David Rajšter, at today's expert meeting 'Tunneling in BiH - Corridor Vc' in Sarajevo. 

As he said, an international team of about 50 experts is working on the tunnel design because it is an extremely demanding project in terms of safety, ventilation, traffic and hydrogeology, where the biggest challenge lies.

The design of the Prenj tunnel will be completed in the middle of this year, and the tender procedures will probably follow after that. Rajšter notes that the works are demanding as the construction will take place in a huge mountain massif, which is why these works will be specific.

“When we complete the design and tender procedures, the construction of the tunnel will begin. It is currently difficult to determine how long the construction will take because we have unknown factors that can extend or shorten the construction time. The tunnel will be specific because it is a huge mountain massif without some access through which we would perform material tests. That's why we make assessments using other methods, and we take samples from other similar massifs and based on that we make forecasts,” said Rajšter.

He noted that the geotechnical and hydrological risks of building the Prenj tunnel are big, which is why the testing phase will be approached very cautiously and in detail.

The expert meeting "Tunneling in BiH - Corridor Vc", which gathered eminent engineers and experts in the field of design and construction of tunnels on Corridor Vc in Bosnia and Herzegovina, started today in Sarajevo. The gathering was organized by the Association of Geotechnical Engineers in BiH, in cooperation with the public enterprise FBiH Motorways.

The meeting was supported by grants from the European Union, which were provided under the Connectivity Agenda through the Western Balkans Investment Framework (WBIF).

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