{"id":20411,"date":"2026-09-09T10:12:42","date_gmt":"2026-09-09T10:12:42","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=20411"},"modified":"2026-09-09T10:12:42","modified_gmt":"2026-09-09T10:12:42","slug":"crbc-led-jv-breaks-through-kvanj-tunnel-on-corridor-vc","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=20411","title":{"rendered":"CRBC-led JV breaks through Kvanj Tunnel on Corridor Vc"},"content":{"rendered":"<p class=\"isselectedend\" style=\"background: white; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">The \u20ac125.23M Kvanj Tunnel\u2013Buna design-and-build contract is being delivered by a consortium comprising China Road and Bridge Corporation (CRBC), Azerbaijan-based Azvirt and local contractor Hering d.d. \u0160iroki Brijeg.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">Kvanj is a twin-tube NATM road tunnel forming the principal underground element of the 5.25km Kvanj Tunnel\u2013Buna subsection, south of Mostar. The right-hand tube is 2,645m long and the parallel left-hand tube 2,720m.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">JP Autoceste FBiH design information gives a maximum overburden of 245m, with tunnelling through limestone, marly limestone and marl. Anticipated geomechanical conditions comprise approximately 35% Class I\u2013II ground, 35% Class III, 13% Class IV and 17% Class V.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">The breakthrough of the right-hand tube was marked by a ceremony on 7 September. Federation of Bosnia and Herzegovina Prime Minister Nermin Nik\u0161i\u0107 said the breakthrough followed months of work by hundreds of personnel and represented an important step towards completing Corridor Vc.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">The construction contract was signed in October 2024 and is being delivered under the FIDIC Yellow Book, with the contractor responsible for detailed design as well as construction. JP Autoceste FBiH gives the construction period as 30 months.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">Financing is being provided by the European Investment Bank (EIB), supplemented by EU grant funding through the Western Balkans Investment Framework.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">In addition to the Kvanj Tunnel, the package includes the Rotimski Potok viaduct, comprising separate structures of approximately 310m and 330m for the two carriageways, and the 44m-span Rujevice overpass. A 1.4km connecting road is also included.<\/span><\/p>\n<p class=\"isselectedend\" style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">The subsection will connect at its southern end with the completed Buna\u2013Po\u010ditelj motorway section.<\/span><\/p>\n<p style=\"background: white; box-sizing: border-box; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; word-spacing: 0px; margin: 0in 0in 7.5pt 0in;\"><span style=\"font-family: 'Museo','serif'; color: #333333;\">Work continues on the parallel Kvanj tunnel tube and the remaining structures following completion of the first excavation.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The \u20ac125.23M Kvanj Tunnel\u2013Buna design-and-build contract is being delivered by a consortium comprising China Road and Bridge Corporation (CRBC), Azerbaijan-based Azvirt and local contractor Hering d.d. \u0160iroki Brijeg. Kvanj is a twin-tube NATM road tunnel forming the principal underground element of the 5.25km Kvanj Tunnel\u2013Buna subsection, south of Mostar. The right-hand tube is 2,645m long and the parallel left-hand tube 2,720m. JP Autoceste FBiH design information gives a maximum overburden of 245m, with tunnelling through limestone, marly limestone and marl. Anticipated geomechanical conditions comprise approximately 35% Class I\u2013II ground, 35% Class III, 13% Class IV and 17% Class V. The [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":20412,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[5515,5513,5514,5512],"class_list":["post-20411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events","tag-azerbaijan-based-azvirt-and-local-contractor-hering-d-d-siroki-brijeg","tag-buna-design-and-build-contract","tag-china-road-and-bridge-corporation-crbc","tag-kvanj-tunnel","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kvanj Tunnel Breakthrough Completed on Corridor Vc<\/title>\n<meta name=\"description\" content=\"The CRBC-led JV has completed excavation of the 2.65km Kvanj Tunnel tube on Bosnia and Herzegovina\u2019s Corridor Vc motorway.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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