Department of Transportation (DOT) compliance for pipe supporting systems and pipe transitions.

Services Provided

Excavation and Construction


Energy, Oil and Gas


ONEOK drew on the expertise and services of Tri-State Industrial Group to help them ensure compliance with Department of Transportation (DOT) regulations taking effect in early 2013. The new regulations require that all pipe transitions from one foot above ground to one foot below ground have a fiberglass wrap around. With a 10-month project window to install approximately 325 wraps and 250 pipe supports using glass mesh and fiberglass reinforcement pads, Tri-State’s Excavation and Construction division completed the project in just under four and a half months.

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