As of June, 2015 the Robbins 3.96 m-diameter Main Beam TBM has excavated more than 300 m for the 4.8 km new sewer tunnel in Kaneohe, Honolulu, Hawaii, US. The machine, nicknamed Pohakulani in Hawaiian, has been launched from a 23 m-deep starter tunnel and is boring at a rate of 12-15 m/day in basalt rock. Rock bolts, steel arches, wire mesh, and ring beams are being installed as necessary. Read the press release, click here for tunnelbuilder archive. Visit www.robbinstbm.com. 28/15.
28.04.2025 Austria
28.04.2025 France
28.04.2025 Germany
30.04.2025 India
30.04.2025 Austria
30.04.2025 Switzerland
02.05.2025 Germany
05.05.2025 Macedonia
06.05.2025 Germany
07.05.2025 Germany
09.05.2025 Germany
09.05.2025 Switzerland
09.05.2025 Poland
13.05.2025 Germany
14.05.2025 Poland
14.05.2025 Switzerland
16.05.2025 Switzerland
16.05.2025 Italy
22.05.2025 Austria
23.05.2025 Switzerland
26.05.2025 Norway
26.05.2025 Czech Republic
28.05.2025 Italy
05.06.2025 Iceland
16.06.2025 Spain
17.06.2025 Italy
17.06.2025 France
19.06.2025 France
19.06.2025 Italy
27.06.2025 Switzerland
28.07.2025 Brazil
