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Project Results

Search our list of case studies to get background information on past and present projects. You can search the projects by machine diameter or machine type. Get performance data, machine features and geological characteristics to help you make an informed decision on your next project.

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Featured Projects


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Moscow Metro

A Robbins EPB has commenced boring for Moscow Metro. Three additional Robbins EPBs, two new and one refurbished, will begin excavation between November 2012 and March 2013. All four machines are equipped with mixed ground cutterheads and Robbins continuous conveyor systems. Learn More

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Shayler Run Segment C Sewer Replacement Project

A Robbins SBU-RHDS excavated seven crossings for a sewer system in Clermont County, Ohio. The new system will reduce the risk of pipe failure and protect the area’s environmentally-sensitive Shayler Creek. Learn More

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Nanjing Metro Line 3 Lot 11 & Line 10 Lot 5

Four Robbins 6.5 m EPBs are excavating for the Nanjing Metro, Line 3 Lot 11 and Line 10 Lot 5. Once completed, the new lines will accommodate increased passengers during the 2014 Youth Olympic Games, and will join additional new lines as part of the Nanjing Metro expansion project. Learn More

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City of Clinton Contract B Force Main Project

Robbins supplied 2 SBU-As and 1 SBU-M for three crossings in Clinton, Iowa, USA. Clinton is one of three towns in Iowa in desperate need of updated water treatment systems, and the tunnels will allow for improved water quality and reduced capacity in treatment plants. Learn More

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Tahoe Forest Hospital District Central Energy Plant Prep Project

A Robbins Mixed Ground SBU leaves a lasting impression on contractor Silver State Boring Inc. after it successfully bores three crossings directly under an active hospital in Truckee, California, USA. Learn More