A photo of the tunnel boring machine's cutter head.
Height: 57.5 feet
Weight: 7,000 tons
Length: 326 feet
Occupation: Tunneling specialist
Likes: Dirt, small boulders, perfectly formed concrete rings
Role models: Bertha Knight Landes, Marc Isambard Brunel, whoever invented the shovel
View photos on Flickr
The Second Ave Subway TBM was originally manufactured by The Robbins Company about 30 years ago. It was first used to dig the MTA's 63rd Street Tunnel in the late 1970's and has been used on at least four other projects. The machine has been reconditioned and was rebuilt in Newark, NJ at contractor Schiavone's yard where it was assembled, tested and then disassembled for shipment to the site. The TBM was most recently used on the Fall River CSO Project in Fall River, MA.
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