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  • Soil remediation, one discipline within the broader scope of environmental remediation, is the process of decontaminating soil. RECON is an industry leader in soil and sludge stabilization and solidification.
  • A secant wall is used in deep foundations in situations where the surface soil layers are unstable.
  • Among the processes used in soil remediation, excavation and dredging are among the most common. The process involves extracting unrecoverable contaminated soil.
  • Secant pile walls are one of the most economical methods of creating effective water control barriers for building structural walls, top-down tunnels and dams.
  • Deep Soil Mixing is a in-situ soil improvement technology used to construct cutoff or retaining walls and to treat contaminated soils.
  • This sludge pond is a good candidate for bio remediation or stabilization.
  • RECON's excavator is capable of digging a slurry wall up to 100 ft deep. Slurry walls have been used for decades to provide cost-effective, long-term solutions for many groundwater control problems.
  • Soil remediation project using remote placement conveyor.
  • Driving concrete pile to strengthen and support structural foundations.
  • Slurry wall construction is used to create non-structural barriers (Cutoff Walls, Slurry Trenches), which are constructed underground to impede groundwater flow.

Excavation

 

Excavation activities are a major step in the construction sequence on a civil construction project, followed by the subsequent backfilling and soils compaction activities. Basically, there are two methods used to excavate soil. The first is to precision cut, also known as the "surgical-cut" or the "cookie-cut" and the other method is the mass excavation. These excavations are normally used for larger areas or the complete footprint of the construction site. Structural excavations are used in the construction of foundations, retaining walls, slabs-on-grade, head walls, paving, and culverts.

Site Preparation and Earthwork

 

RECON was contracted to perform site characterization, demolition, remediation, clearing, and final grading on this abandoned lead smelter Superfund site.

 

excavation

 

Project Features:

 

• Demolishing 18 areas of industrial facilities

 

• Excavating, re-grading, and consolidating 11,000 cubic yards of impacted ditch sediments and constructing pond berms and clay caps

 

• Installing 223,000-square feet of geogrid, 233,000 square feet of geotextile, 550,000-square feet of flexible membrane liner and 550,000-square feet of geosynthetic composite liner

 

• Stabilizing 70,000 cubic yards of low pH (<2 SU) sediments in a 4-acre pond

 

• Installing 86 acres of clay and soil cover surface layers.