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Prefabricated Retaining Wall Systems (PRWS)

Instructions for Approval

Prefabricated Retaining Wall suppliers seeking approval of their PRWS for use on ODOT projects will submit applications in accordance with the requirements of the Prefabricated Retaining Wall Systems Approval Process. The approval status of any wall system on the ODOT’s Approved Product List (APL) will expire five years from the date of placement on the list or when there are changes in the wall system as described in the Prefabricated Retaining Wall Systems Approval Process.

Approved PRWS

The following PRWS have been approved for use:

Precast Gravity and Semigravity Retaining Wall Systems:

Approved Gravity and Semigravity Retaining Wall System

Gravity and Semigravity Retaining Wall System Supplier

Date Approved

Mack Industries T-Shape Wingwall *

Mack Industries (designed by Ohlin & Reed)

4/28/2021

Mack Industries L-Shape Wingwall *

Mack Industries (designed by Ohlin & Reed)

6/21/2021

Mack Industries I-Shape Headwall

Mack Industries (designed by Ohlin & Reed)

6/30/2021

Mack Industries L-Shape Headwall

Mack Industries (designed by Ohlin & Reed)

6/30/2021


* If used in a culvert application, must be used with an approved Mack Industries headwall.
 

Prefabricated Modular Retaining Wall Systems:

Approved Modular Retaining Wall System

Modular Retaining Wall System Supplier

Date Approved

Gravix

EarthWall Products, LLC

1/27/2021

 

Mechanically Stabilized Earth (MSE) Wall Systems:

Approved MSE Wall System

MSE Wall System Supplier

Date Approved

ARES

Tensar Earth Technologies

1/17/2020

GeoMega

The Reinforced Earth Company

12/29/2020

MSE Plus

SSL, LLC

1/16/2020

Redi-Rock Positive Connection

Redi-Rock Structures of OKI

7/31/2020

Reinforced Earth

The Reinforced Earth Company

3/25/2019

Sine Wall

Sine Wall, LLC

7/12/2019