Mexico
New Metro Line in Mexico City
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1 The 10.2 m diameter EPB is the first of its kind...
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2 The EPB, Mexico’s largest TBM, was launched in...
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3 The EPB is boring Mexico City’s Metro Line 12,...
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4 Excavation with the TBM began from a shaft using...
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5 Mexico’s 7.7 km long Line 12 tunnel will cut...
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6 On May 21, 2010, a 10.2 m diameter EPB broke...
The Project Mexico City Metro Line 12 is a challenging tunnel in difficult geology below downtown areas of the Mexican Capitol. It is the first new rail route of the last 10 years in Mexico City.
In the End of May 2010, Mexico City Mayor Marcelo Ebrard, along with local authorities and contractor ICA, gathered together to watch the breakthrough of a giant. Those on hand witnessed the country’s largest TBM, at 10.2 m in diameter, break through into its first open cut station site. The 180 m long, 34 m wide breakthrough area will become Mexicaltzingo Station, the first of 8 stations in the city’s new metro Line 12 tunnel, also known as the “gold line”.
The Robbins EPB will excavate 7.7 km of the Mexican Federal District’s first new rail route in 10 years, travelling between the southern...
Desiree Willis
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