Project Case Study CCR Landfill Closure 2

LLDPE Flexible Membrane Liner

25 AC

Drainage Membrane

25 AC

Cover Soil

90,000 CY

Project Details

The Landfill was constructed to serve the needs of a large-scale basin excavation that occurred over a 2-year time frame. The basin excavation exceeded 2M CY of CCR material, requiring multiple phases of landfill construction and closure. The landfill closure was accomplished with a traditional work scope including LLDPE liner, geo-membrane, final soil cover and engineered Hydro-Turf down chutes to carry water off the landfill slopes.

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Cover Soil Placement
Final Grading & Seeding

Project Challenges & Solutions

Access Issues

To maximize production and increase operational efficiencies, Trans Ash utilized specialty equipment, including long reach excavators to load the material across the perimeter ditch.

Specification Restrictions

Installation had to be from the bottom up, necessitating equipment and personnel travel across the previously installed outlets. The completed areas were protected with additional 8oz. non-woven fabric which minimized the rework activity.

Continuous Revisions

Trans Ash worked closely with the engineer of record and the client to ensure the design that was implemented would be provide sufficient performance for the life of the landfill.

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