Approved noise wall systems
| Wall system | Design type | Date pre-qualified | Description | Notes |
|---|---|---|---|---|
| Crest Precast Noise Barrier (Conventional) Crest Precast, Inc. Main: 800-658-9045 Mobile: 952-426-5884 info@crestprecastconcrete.com crestprecastconcrete.com |
Vendor supplied | 03/07/2014 | Post and panel conventional precast concrete system | Contact Crest Precast for available finishes, colors, and other product information. Typical post spacing is 13’ – 2” or 20’. |
| Crest Precast Noise Barrier (with absorptive sound wall material/JBM75) Crest Precast, Inc. Main: 800-658-9045 Mobile: 952-426-5884 info@crestprecastconcrete.com crestprecastconcrete.com |
Vendor supplied | 03/07/2014 | Post and panel system incorporating JBM75 absorptive precast material. Panels consist of a reinforced precast concrete core with integral JBM75 absorptive material cast on both faces of the core. Typical NRC rating = 0.80-0.90, depending on face texture selected. | Contact Crest Precast for available finishes, colors, and other product information. Panels may be two-sided or one-sided. Typical post spacing is 15’. Design life meets or exceeds 40 years. This system is not approved to retain soil. |
| Durisol Noise Barrier System Durisol USA, Inc Phone: 302-299-6821 8640 Broad Street Rural Hall, NC 27045 Website: www.durisol.com Email: info@durisol.com |
Vendor supplied | 10/1/2003 | Durisol panels are precast panels consisting of a reinforced concrete core and Durisol material integrally cast onto none, one or both faces depending on project requirements. NRC typically 0.80 or higher depending on pattern when required. Panels are compatible with steel or concrete posts. | Graffiti-Guard anti-graffiti coating available. MASH TL-3 or TL-4 ground mounted system is available when noise barrier is located within the clear zone and as required by the designer. |
| Acrylite SOUNDSTOP Sheet Evonik Cyro LLC 1796 Main St. Sanford, ME 04073 Office: (860) 356-7984 Mobile: (475) 355-5913 |
Vendor supplied | 8/1/2004 | Transparent clear or colored acrylic sheets. Either mounted in a frame designed to mate with standard posts or incorporated into a site-built system. GS CC sheets with embedded filaments available for fragment retention. Bird striping available. Can be mated with other panel types or as a standalone system. | 30 year warranty on clarity |
| Wood Planking Noise Barrier with Concrete Posts | MnDOT Design Standards | 1/4/1994* | Post and panel system with concrete posts; see std plan #5‐297.661 for details. | See approved preservative treatment list |
| Self Supporting Wood Glue Laminate Noise Barrier | MnDOT Design Standards | 6/21/1994* | Panel system (no posts); see std plan #5-297.665 for details. | See approved preservative treatment list |
* Approval date of the standard