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Microtunneling used for railway portion of Halton’s newest watermain

Insights and Resources, Municipal Infrastructure

by Joe Proietti, Region of Halton and Nathaniel Andres, P.Eng., R.V. Anderson Associates Limited

ABSTRACT

The Zone 3 Watermain project in Halton region includes several challenging obstacles, including the trenchless crossing of railway tracks in an area with mixed soil conditions. Microtunneling was the method chosen, and the unmanned TBM makes this trenchless installation technique a relatively safe alternative that not only provides reliability to minimize ground settlement but also alignment and grade of critical infrastructure.

Published in the January 2013 issue of Environmental Science & Engineering Magazine

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