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Article: Down deep in Durango: SBU breaks rock in Southern Colorado to complete reservoir project.(WaterWorks)
- Article from:
- Underground Construction
- Article date:
- May 1, 2009
CopyrightCOPYRIGHT 2009 Oildom Publishing Company of Texas, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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[ILLUSTRATION OMITTED]
After decades of debate and hard work, completion of the Animas La Plata main reservoir in Colorado was down to just two intake lines. Project deadlines stipulated that crews would begin filling the manmade lake bed by the end of April 2009. Contractor BTrenchless needed an effective and swift construction method for the rock tunnels through mudstone. The contractor decided on a hard rock trenchless boring machine, called the Robbins Motorized Small Boring Unit, to complete the job within the tight schedule.
"Not only is there a tight deadline, but the rock tunnels are connected to an intake structure. We're making two mid-air ...