NCDOT Geotechnical Engineering Unit
MSE Retaining Walls


MSE WALL SYSTEMS
WITH PRECAST CONCRETE PANELS
System Vendor Letter Date
(click to see letter)		 Approval Status
See Note 1
The Reinforced Earth Company's Reinforced Earth System The Reinforced Earth Company
8614 Westwood Center Drive, Suite 1100
Vienna, VA 22182
(703) 749-4325
www.reinforcedearth.com
 10/30/07 Full
Hilfiker's Reinforced Soil Embankement (RSE) System Hilfiker Retaining Walls
1902 Hilfiker Lane
Eureka, CA 95503
(800) 762-8962
www.hilfiker.com
 11/13/07 Full
Tricon's Retained Soil
Wall System		 Tricon Precast, Ltd.
15055 Henry Road
Houston, TX 77060
(281) 931-9832
www.triconprecast.com
 11/16/07 Conditional
Tensar's Ares Retaining
Wall System		 Tensar International Corporation
453 Lake Shore Drive
Sunset Beach, NC 28468
(910) 579-7296
www.tensarcorp.com
 11/26/07 Conditional
The Reinforced Earth Company's Retained Earth Wall System The Reinforced Earth Company
8614 Westwood Center Drive,
Suite 1100
Vienna, VA 22182
(703) 749-4325
www.reinforcedearth.com
 1/11/08 Full
T&B's Stabilized Earth
Wall (SEW) System		 T&B Structural Systems, LLC
6800 Manhattan Boulevard,
Suite 304
Fort Worth, TX 76120
(888) 280-9858
www.tbssus.com
 7/31/08 Full

MSE WALL SYSTEMS WITH
SEGMENTAL RETAINING WALL (SRW) UNITS
 See Note 2
System Vendor Letter Date
(click to see letter)		 Approval Status
See Note 1
VERSA-LOK's Reinforced Soil Wall System VERSA-LOK Retaining Wall Systems
6348 Highway 36, Suite 1
Oakdale, MN 55128
(651) 770-3166
www.versa-lok.com
 10/10/07 Conditional
Anchor Wall System's Landmark Reinforced Soil Wall System Anchor Wall Systems, Inc.
43427 Turnberry Isle Court
Leesburg, VA 20176
(703) 669-3474
www.anchorwall.com
 10/19/07 Conditional
Keystone's KeySystem I Retaining Wall System Keystone Retaining Wall Systems, Inc.
7312 Still Pond Court
Raleigh, NC 27613
(919) 783-5422
www.keystonewalls.com
 10/26/07 Full
Tensar's Mesa Retaining
Wall System		 Tensar International Corporation
453 Lake Shore Drive
Sunset Beach, NC 28468
(910) 579-7296
www.tensarcorp.com
 11/26/07 Full

NOTES:
1. Conditionally approved MSE wall systems may not be used for walls with a design height greater than 20 feet or an exposed face area greater than 5000 square feet. See the MSE Retaining Wall Policy above.
2. MSE wall systems with SRW units may not be used for walls with a design height greater than 35 feet or walls that support or are adjacent to railroads, interstate highways, or bridges (abutments). See the MSE Retaining Wall Policy above.


Questions about the Geotechnical Engineering Website should go to
Scott Webb
(919) 250-4088 ext. 235

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