Contractor Rethinks Pipeline Bore, Saving $10 Million

Garney Construction’s creative approach proves to be a ‘win-win’ for Colorado water project
Contractor Rethinks Pipeline Bore, Saving $10 Million
In March 2014, a 105-inch-diameter tunnel boring machine was lowered into a vertical launch shaft — the starting point for the SDS pipeline's mile-long tunnel.

Using a three-in-one approach, Garney Construction has successfully bored a single tunnel through rock and beneath an interstate highway, two rail lines and a creek, as part of the Southern Delivery System (SDS) water project in Colorado.

The mile-long dig was the critical...

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