Project Specs

  • New Lysine Production Facility for CJ Bio America, Inc.
  • Lysine Storage Ponds
  • Fort Dodge, IA
  • August 2013


  • DURA♦SKRIM® N45BK 45 Mil (Black/Tan) 108,000 square feet of reinforced LLDPE 260,820 square feet of 60 mil HDPE, 126,150 square feet of 200 mil HD Geonet, and 11,000 square feet of 45 mil VLLDPE


Limited access
Multi-layer system with floating covers Inflation of the floating covers


Raven coordinated with the client to design, fabricate, and install the industry’s first floating cover system, comprised of reinforced polyethylene materials.

The system offered both a better economy and performance over any other available membrane types throughout the industry. Our solution proved its simplicity and the client installed additional covers with the same material.


Black 9×9 Polyester Scrim Reinforced LLDPE 45 Mil

Dura♦Skrim® N-Series products are rugged LLDPE reinforced polyethylene geomembranes available in smooth or textured.

Heavy 1000 denier 9 X 9 weft inserted scrim. Meets test method GRI-GM25.

General Applications:

  • Waste Lagoon Liners
  • Canal Liners
  • Containment Liners