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May 14, 2011 12:37 PM CDT

Tensar International Receives Full NCDOT Approval for ARES and Mesa Retaining Wall Systems

North Carolina approval mirrors other DOT approvals in California, Ohio, New Jersey and Maryland


Tensar International received full approval with NCDOT for its ARES® and Mesa® Retaining Wall Systems.

Tensar International received full approval with NCDOT for its ARES® and Mesa® Retaining Wall Systems.
Tensar International, the leader in geosynthetic soil reinforcement and stabilization, announced it recently received full approval with the North Carolina Department of Transportation (NCDOT) for its ARES® and Mesa® Retaining Wall Systems.

As of January 31, 2011, the NCDOT requires that companies submit and receive approval to build mechanically stabilized earth (MSE) walls based on the Load and Resistance Factor Design (LRFD) design methodology.

“This stamp of full approval is a reflection of Tensar’s ability to adhere to the evolving DOT and American Association of State Highway and Transportation Officials (AASHTO) regulations and design requirements,” said Peter Larkin, P.E., District Manager - Grade Separation Solutions, Tensar. “With full approval, Tensar can bid on all MSE retaining wall projects undertaken by the North Carolina Department of Transportation.”

The Mesa Systems previously had full approval with the NCDOT. Both the ARES and Mesa Systems are now updated to meet the AASHTO LRFD Bridge Design Specifications latest design requirements.

Tensar has also received approvals in other states for their products. Recent approvals include:
  • California’s CalTrans approved Mesa Systems under new LRFD design methodology
  • The Ohio DOT approved Tensar’s UX geogrid design strength for ARES walls
  • The New Jersey DOT uses ARES Systems for true bridge abutment
  • The Maryland State Highway Administration approved ARES Systems precast panel wall MSE system
The inert properties of Tensar Geogrids permit the use of a wide range of backfills, including recycled materials and those not suitable to be used with steel reinforced wall systems, allowing Contractors to save time and labor costs when installing the ARES Systems.

Mesa Systems offer superior and cost-effective solutions for structural and landscaped retaining wall needs in the commercial, industrial, residential and transportation markets.

Both ARES and Mesa Systems have been evaluated by the Highway Innovative Technology Evaluation Center (HITEC) and have been utilized on hundreds of transportation and site development projects in the United States and around the world.

For more information, visit

About the Author

Tim Oliver is the Vice President for Global Marketing at Tensar International Corporation.


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