Pictured is the launchshaft, when the construction of the tunnel rock breaking and excavation started. (NIAGARA REGION) A milestone in the delivery of critical infrastructure for Port Colborne, Ont. was accomplished with the July 9 installation of the first of two side-by-side 1.5-metre-diameter 310-metre-long concrete cashed serving tunnels through bedrock right under the Welland Canal. The tunnelling operation by Ward & Burke Microtunneling to…
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Pictured is the launchshaft, when the construction of the tunnel rock breaking and excavation started. (NIAGARA REGION) A milestone in the delivery of critical infrastructure for Port Colborne, Ont. was accomplished with the July 9 installation of the first of two side-by-side 1.5-metre-diameter 310-metre-long concrete cashed serving tunnels through bedrock right under the Welland Canal. The tunnelling operation by Ward & Burke Microtunneling to…