Silicon Valley Progresses with its Design-Build First

Featured in North American Tunneling Journal

In Silicon Valley, construction has started on the US’s first-ever progressive design-build tunneling project. Kristina Smith spoke to the team to check on progress so far. It is less than two months since design-build contractor Barnard Bessac JV, with designer Arup, signed the $206m contract for Silicon Valley Clean Water’s (SVCW’s) Gravity Pipeline Project. But already work has begun on site, with specialist contractor Malcolm Drilling constructing the walls for TBM launch shaft.

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