Proprietary Earth Retaining Systems

To apply for NMDOT reevaluation and approval, all currently approved PER Systems must submit an application for re-evaluation and approval according to steps outlined in the Proprietary Earth Retaining (PER) Systems, Evaluation and Approval Process document.

All PER Systems must obtain approved status based on criteria outlined in the Proprietary Earth Retaining (PER) Systems, Evaluation, and Approval Process document and NMDOT Special Provision Section 506: Proprietary Earth Retaining Structures, dated June 1, 2017. 

Design and construction of MSE Structures shall be performed in accordance with NMDOT Specification Section 506: Mechanically Stabilized Earth Retaining Structures.  Approval of current MSE structures will expire upon approval of any new PER system of a similar category.

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