Balch Consolidation Conduit Shafts and Pipelines project honored for engineering excellence by ACEC

The city of Portland originally planned to build the $74 million Balch Consolidation Conduit using a traditional design-bid-build model. But a review of the risks of the microtunneling project, plus the penalties the city faced if the work wasn’t completed by a federally mandated deadline, led the city to pick an alternative method.

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