Press Releases
Robbins Main Beams Burrow Under Low Cover
March 4th, 2010
Two 6.4 m (21.0 ft) diameter Robbins Main Beam TBMs were launched in winter 2009-2010 beneath Chongqing, China--a mega-city of over 35 million people.
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Robbins Commissioning Ceremony Celebrates Triple TBMs
February 12th, 2010On February 2, 2010, a mix of contractors, reporters, and government officials gathered to mark the assembly of three Robbins EPBs. The ceremony, held in Corpus Christi, Texas, USA, culminated in the cutterhead turning of one fully assembled, 8.93 m (29.3 ft) diameter machine.
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Onsite Assembly Fits Up with Robbins EPB
January 25th, 2010In January 2010, Mexico City officials celebrated the completion of the country’s largest ever TBM with a cutterhead turning ceremony. The 10.2 m (33.5 ft) diameter Robbins EPB will begin excavation in the first week of February after just eight weeks of assembly.
Archived Press Releases
- Robbins Small Boring Unit Earns a Place in the Record Books
On December 7, 2009 a new milestone was reached for ABMs using disc cutterheads. Contractor Gonzales Boring & Tunneling bored a landmark crossing length of 600 ft (183 m) using a 42 inch (1.0 m) diameter Small Boring Unit (SBU-A). The feat is a record for any diameter of SBU-A, making it the longest distance ever excavated with the boring attachment.
(December 14th, 2009) - Robbins EPB Racks Up Records for Sacramento Breakthrough
A 4.25 m (13.9 ft) diameter Robbins EPB is rewriting the industry standard for soft ground tunneling rates. The machine excavated a 5.7 km (3.6 mi) long tunnel in Sacramento, California, USA, achieving rates of up to 210 m (690 ft) per week before breaking through on November 21, 2009.
(December 9th, 2009) - Trio of Robbins TBMs will Team Up at Pahang-Selangor
Malaysia’s capitol Kuala Lumpur and surrounding areas have experienced rapid economic growth, and are forecast to run short of water supplies in the near future. Three Robbins TBMs will excavate sections of the 44.6 km (27.7 mi) long Pahang-Selangor Raw Water Tunnel to remedy the problems.
(November 16th, 2009)