Waste Water Treatment Plant- Tyson Foods
Location Wallula, Washington
Customer Tyson Foods, Inc
Completed November 2008

Project Scope: Multiple layer system with over 3,000,000 SF of Geosynthetic materials.

The liner system consisted of:

Process Ponds

  • Sigle Sided Geo-Composite
  • 60 mil HDPE Smooth Liner
  • 150 Mil Geonet
  • 100 Mil HDPE Smooth

Containment Pad

  • 30 Mil PVC Liner

The project required the movement of 10,000 cubic yards of soil and the placement and 270 cubic yards of concrete. ECA contracted and managed the earth work but self performed the installation of the concrete. This project was unique since Tyson required the installation of 100 mil HDPE liner which requires special welding skills and equipment. ECA was also responsible for contracting a third party to perform a leak detection system in the new lined lagoons.

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Statement of


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