News

The first of the two TBMs for the H41 “Sill Gorge-Pfons” construction lot of the Brenner Base Tunnel (BBT) has formally passed its acceptance test at Herrenknecht AG in Schwanau, Germany. The single-shield tunnel boring machine which has a drilling head diameter of 10.37 meters, a length of about 160 meters and a weight of […]

Recording a monthly rate of over than 1000 meters for the construction of the San Gawang Hydropower Project in Peru, CRCHI exported the first hard rock TBM to South America on December 6. As a part of the project for the Belt and Road Initiative in South America, the San Gawang Hydropower Station in Peru […]

Line 17 Completing digging process of the 1.2 km tunnel, which has been commenced in April 2022, the TBM Dorine with 120 m length and over 1,000 t weight brokethrough at Line 17’s Rolland manufact in Le Bourget at a depth of 26 m on 14th November 2022. The main purpose of TBM Dorine in […]

In order to advance the digging process of the 1.6km (one mile) high-speed railway on the HS2 project, Balfour Beatty Vinci (BBV) has launched Dorothy TBM for the second time. Excavation of the second tunnel beneath Long Itchington Wood in Warwickshire, will be up to this TBM which is 125m long, whereas its initial startup […]

For the third time Watercare’s micro TBM Domenica has broken through the Central Interceptor project in New Zealand’s largest city. Following excavation of 1,212m from Blockhouse Bay, the TBM appeared at Avondale which is part of the first of two branch sewers for Auckland’s new wastewater system. Meanwhile it is the longest drive of the […]

The JV Acciona Ghella (AGJV) has granted the longest railway tunnel in the Nordics to this date, the Blix tunnel, to Bane NOR. The Blix tunnel is made up of 20 km of the Follo Line and is the first long Norwegian railway tunnel with two independent tunnel tubes. The tunnel is said to provide […]