Lower Passaic River Remediation

Location: Newark, NJ
Owner: Tierra Solutions, Inc.
Completion Date: January 1, 2011
Categories: Construction, Environmental Dredging
Weeks Marine was subcontracted to Arcadis-US, Inc. for the construction of an enclosure measuring approximately 1,150’ using 62’-6” HZ 880M-A12 king piles and 35’ AZ-13 sheet piles. A tie back system including 38 each tie backs measuring 82’ long each was also constructed to maintain the existing wall during dredging operations.

Once the enclosure was built, 40,000 CY of environmental and hazardous material was dredged within the enclosure. 40,000 CY of grit and sand was then used to backfill the area and then the enclosure was removed. Dredged material was processed on-site for shipping in-land or incineration.

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