GCL serves as cap in brownfield remediation site


Courtesy of CETCO

PROJECT: Patterson Plank Road Brownfield Remediation
LOCATION: Patterson, New Jersey

BACKGROUND: This New Jersey brownfield was formerly the site of a chemical recycling facility.

CHALLENGE: The soil at the site was heavily contaminated, and off-site removal would have been extremely costly. High winds and very cold weather also posed a problem.

SOLUTION: The site was surrounded with a soil-bentonite slurry wall and topped with a six-acre geosynthetic cap. The geosynthetics were terminated at a corrugated sheet pile wall. Cast-in-place concrete with an embedded polyethlene strip was added to which the LLDPE geomembrane was welded. The BENTOMAT SDN liner held up well in the high winds.

RESULT: The contaminated soil was successfully contained, preventing it from spreading to surrounding areas. Everything was completed on time and within budget.

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