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Coastal continues to impress at Bluestone Dam

Posted Feb 1, 2017

Coastal Drilling East was awarded the Anchor installation portion of the Bluestone Dam Safety Assurance Phase 4 project in Hinton, WV. The dam is operated by the United States Army Corps of Engineers and is located in the Appalachian Region on a culturally and historically significant United States national river. Phase 4 of the Dam Safety Assurance Project called for the installation of 278 high-capacity, post-tensioned, multi-strand rock anchors to resist sliding of the dam on a relatively weak bedrock layer.

CDE has been a key player in several successful Dam Restoration projects across the country. This experience has been invaluable in making Coastal a key partner in the successful completion of the Dam Safety Assurance Project.

“With our vast nationwide anchor installation experience and industry leading directional drilling expertise, Coastal Drilling was a natural fit for the Bluestone Dam project.” said JR Likins, Division Manager, Coastal Drilling East.

CDE’s portion of the work includes the directional drilling and installation of (278) EA high capacity, multi-strand, post-tensioned rock anchors. The rock anchors consist of up to 61-strands and are installed in 15-inch drilled holes at angles up to 45 degrees. Drilling is completed at tolerances exceeding 1:150. The project is currently 60% complete according to schedule with 169 anchors installed to date. Coastal’s work is scheduled to be completed in the fall of 2019.

Coastal Drilling East is a member of the Shaft Drillers International family of companies and has provided geotechnical expertise for more than 20 years. SDI, headquartered in Mt. Morris, Pa., is a global provider of large diameter shaft and geotechnical construction solutions.