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Record-setting microtunnel earns 2018 Star Award

Michels is honored to receive a Star Safety award in the Northwest Region for Mortenson. Mortenson chose Michels for an outstanding commitment to safety on the Tualatin Interceptor project in Oregon.

The Tualatin River microtunnel set a North American record for the tightest curve radius for an 84-inch pipe. The 470-foot large diameter microtunnel drive featured a vertical “U” curve with a 650-foot radius. The project was part of a design-build project executed with Mortenson for Clean Water Services.

Learn more about our microtunneling capabilities.

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