J.D. HAIR & ASSOCIATES

J.D. Hair & Associates is responsible for designing and construction monitoring 22 HDDs on the Flanagan South Pipeline. The project includes a 9,000-foot crossing of the Mississippi River, believed to be the longest 36-inch HDD crossing completed... J.D. Hair & Associates is the design consultant on a sizeable multi-design team for an 886-mile pipe extending through Maine, New Hampshire and Massachusetts. The project involves field reconnaissance at more than 50 potential HDD crossings... For the last 35 years, J.D. Hair & Associates has used our horizontal directional drilling (HDD) expertise to help owners, contractors and design firms achieve their infrastructure construction goals. Recognized as an industry leader and pioneer in HDD design, our team works on some of the most challenging HDD projects ever completed. J.D. Hair & Associates developed many of the HDD guidelines still used today. Today, our team is taking the same approach of our comprehensive field knowledge,..

Also known as: J. D. Hair & Associates, Inc.

Primary location: Tulsa United States