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The geotechnical engineering and geologic staff of DiGioia Gray have earned our reputation as the “go to experts” with regard to karst services. Our karst experience ranges from heavy civil projects such as highways and bridges to major civil infrastructure projects such as pipelines / HDD, tank farms, substations, and impoundments. Notably, some of our significant roles have involved serving as the Principal Karst Engineer for 23 miles of new interstate traversing over aggressive and environmentally sensitive karst to providing karst expert witness services in Federal and State courts. Our staff also has published and presented numerous papers and case histories involving karst at national and international conferences.

We also have practical experience developed from on-site construction guidance of numerous sinkhole repairs as well as providing general construction guidance in this challenging environment. In fact, our karst knowledge has led to the development of revised statewide karst repair standards for a Department of Transportation. In all, our staff has been involved with new and forensic karst projects with an aggregate construction cost in the billions of dollars.



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