Tunnel Boring Machine Control, Power, & Distribution Systems have been supplied by Duren Controls, Inc. on numerous projects. We've sourced everything from the 15KV power input transformers to Motor Control Cabinets in Nema 12 to Class I Division II (Explosion-proof).
Some of the TBM projects we built in past years include the following:
1987 Muck Valley Machine, Northern California for Traylor Bros.
1988 Tucson Machine for BW Control & National Projects
1989 KKKLM Milwaukee Metro for J.F. Shea
1989 Two Los Angeles Metro, Class I Division Machines for J.F. Shea
1991 Cowles Mountain in San Diego for Traylor Bros.
1992 Supersollider Machine #2 in Texas for Traylor Bros.
1992 FOUR Los Angeles Metro, Class I Division Machines for Shea/Kiewitt/Kenny
1993 N.Y. TBM Rebuild (materials only) in Brooklyn, NY for Schivona-Shea
1993 Tri-Met J.V. (materials only) in Portland for Frontier-Kemper-Traylor
1993 Richmond TBM (materials) in San Francisco for Shank-Balfour-Beatty
1994 Jarva MK12 TBM Rebuild in Boston for Harrison Western
We've also supplied many small Control Panels and Equipment for other TBM customers (since 1994) for use in the USA and Pacific Rim Countries.
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