| Soil Remediation / Wetlands Construction |
Former oil Refinery, Gainesville, Texas
Columbia conducted a response action and NRDA restoration implementation at a Former Oil Refinery in Gainesville , Texas . The project included the construction of wetlands/aquatic, woodlands and grasslands habitat totaling 132 acres. Columbia performed constructed dikes, dams and concrete spillways for habitats requiring approximately 50,000 cubic yards of soil to be excavated and moved on site.
The response acion included the solidification /stabilization and excavation of 6,900 cubic yards of crude oil sludge. Columbia solidified the sludge with fly ash and the utilization of a company owned pneumatic dust filter to comply with a zero (0) dust mandate. Over 100,00 - cubic yards of impacted soil was excavated and placed in a landfill that was located onsite.
Columbia excavated and handled over 110,000-cubic yards of onsite soil to provide a cover system(cap) over the landfill. The footprint of the cap had to be expanded twice during the project to handle the excess soils for the impacted areas. The project also included the demolition of farm structures, construction of over 10,000 linear feet of fencing and 79 acres of re-vegetation.
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