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Drilling and Blasting Difficulties in California

Published Thursday, March 18, 2010

California’s $62 million Folsom Dam improvement project requires extensive rock excavation using a fleet of drills in an ever-changing formation—a situation that presents some very difficult drilling. The project has had as many as 16 drills on site at one time with an average of 11 drilling most days. Those rigs include the Atlas Copco ECM 585, ECM 590, ROC D7 and the newest Atlas Copco crawler, the ROC T35M. In total, an estimated 1 million yards of material will be drilled and shot when the project is complete.

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