N125 Northgate To UW Stations Tunnel Bore TBM

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Provided tunnel boring power and maintenance for TBM, creating access to the Sound Transit light rail system. 3-mile-long dual bores, one for each direction. Sundancer provided control and instrumentation services along with consistent power to the TBM.

Owner: Sound Transit
Prime Contractor:  JCM (Jay Dee, Coluccio, Michels.
Value: $11m