Industry: Oil & Gas

Location: Northeast

Result: Sustainable Environment

Major River System Restored After Petroleum Spill

ENTACT dredged petroleum-impacted sediments from this major river system, resulting from a spill event. The scope included constructing temporary facilities, an access haul road connecting the staging area to the United States Army Corps of Engineers (USACE) causeway and over the flood levee structure and capping an upstream outfall.

ENTACT performed dredging of 1,300 cubic yards of impacted sediment from 0.5-3.8 feet deep from the river; dewatering of sediment, moisture conditioning with Portland cement as necessary, and off-site transportation and disposal of 2,500 tons; backfilling the river bottom with 2,450 tons of stone; removal of temporary roads and the causeway; and site restoration.

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