Amelia Earhart Park, Miami, FL
ZAPATA characterized and excavated more than 2,000 tons of hazardous materials, including 1,750cy of contaminated soil and construction debris, 78 55-gallon drums, Munitions Debris (MD), and a UST with associated piping from 19 locations across the 400-acre site.
The Formerly Used Defense Site (FUDS) is now a public park in a densely-urbanized area. ZAPATA located, identified, characterized, and removed and disposed of drums and other potentially hazardous wastes using data collected from a geophysical surveys and soil and groundwater sampling and analysis. During remediation, we unexpectedly discovered and safely disposed of Munitions Debris (MD). ZAPATA’s in-house military munitions expertise and capabilities allowed us to safely address the MD issue without having the client impose a stop work order, thereby protecting the public and minimizing impact on the project schedule.
To locate buried drums and debris, potential burial pits, underground utilities, and characterize soil, groundwater, surface water, and sediment across the site, ZAPATA:
- conducted a site-wide digital geophysical survey,
- advanced approximately 150 soil borings,
- installed approximately 100permanent groundwater monitoring wells,
- collected soil, sediment, surface water, and groundwater samples for chemical analyses, and
- summarized findings in numerous reports and technical meetings with project stakeholders.
ZAPATA characterized and excavated more than 2,000 tons of hazardous materials, including 1,750cy of contaminated soil and construction debris, 78 55-gallon drums, Munitions Debris (MD), and a UST with associated piping from 19 locations across the 400-acre site. All contaminated waste material excavated was transported to a permitted TSD facility. Fifteen MD items were inspected, certified free of explosive hazard, and properly disposed. The presence of naturally occurring arsenic, in levels above the regulatory limit, presented the possibility of an unacceptable delay in the construction of the sewer line. To avoid this delay, ZAPATA proposed that site-specific background levels of arsenic be obtained through a statistical-based sampling program to provide a basis for decision. DERM, FDEP, and USACE agreed, and the project moved forward, uninterrupted.
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