Camden, New Jersey
The Martin Aaron Superfund Site encompasses a large property that was used as a drum reconditioning facility for over 30 years. Contaminants associated with the drum reconditioning contaminated the soil and groundwater at the site.
Sevenson self-performed the excavation of 75,000 CY of contaminated soil to depths of 13–17-ft. BGS. Crews installed 5,756 LF of sheet pile to depths of 40-ft. BGS to support the excavation sidewalls and cutoff groundwater infiltration; utilized well points throughout the site to depressurize the aquifer and achieve dry excavation cells; transferred water to an on-site water treatment plant for processing; and characterized, managed, loaded, transported, and disposed of all material at approved off-site landfills. Sevenson installed 90,000 SF of geosynthetic clay liner covered with cushioning soil and backfilled the site with 8,500 CY of stockpiled material approved for reuse and 60,000 CY of clean imported fill.