Friday, May 10, 2013
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Boring-machine Harriet completes under-the-bay tunneling near PortMiami
The excavation in early November 2011 to dig a tunnel under the bay near PortMiami ended Monday when the huge tunnel-boring machine broke through the surface on the MacArthur Causeway on its return from the port.
"This is a great milestone for us here today because basically the digging is done," said Miami-Dade Mayor Carlos Gimenez, present as Harriet, the $45-million boring machine, popped out of the ground Monday morning.
The under-the-bay tunnel is one of three major projects at PortMiami intended to attract more cargo traffic after the widening of the Panama Canal is completed in 2015.
It will take another year for the $1 billion tunnel project to be completed with paving of the two-lane highways inside the twin tubes of the tunnel, one going east from Watson Island to the port and one going west from the port to Watson Island.
For more of the Miami Herald story: miamiherald.com
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