Projects

I-30 at Dallas Cowboys Stadium

The Texas Department of Transportation (TxDOT) retained CobbFendley to perform subsurface utility engineering (SUE) and utility coordination (UC) on IH 30 from Davis Boulevard to Loop 360 in connection with the construction of the new Dallas Cowboy Stadium in Arlington, Texas.  The roadway projects were conceived to allow more access into and out of the new football stadium.

During the SUE process of designating more 150,000 linear feet of utilities CobbFendley found an abandoned gas pipeline that was not known of when construction began.  Locating this pipeline ahead of the contractor prevented a possible delay in construction by allowing work to be conducted in other areas while adjustments were made.

As a result of SUE investigation, numerous utility conflicts were identified, such as underground duct banks and a utility pole. Where the design could not be changed to avoid the conflict, the utility relocations began to avoid potential conflicts during construction.  Additionally, since the utilities were accurately located, construction was able to proceed safely with no damages to the construction workers or traveling public due to damaging an unknown utility.

To adjust one of the duct banks causing a conflict the cost would have been more over four million dollars and four years before completion.  CobbFendley made recommendations that allowed for the work to be completed within six months for a cost of less than $200,000.  This innovative process, as well as a variety of other CobbFendley recommendations allowed construction to proceed without delay.

Services Provided: Utility Coordination and Design / Subsurface Utility Engineering
Location: Arlington, Texas
Owner: Texas Department of Transportation

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