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Zero Spoils From Brownfield Sites


(Image provided by Mammoth Memory)

Brownfield sites can pose challenges related to the foundation system’s design, installation, cost, and performance. For example, the brownfield site’s contaminants may not allow for soil excavation and may require additional reinforcement, such as piles or piers that eliminate spoils.

Zero spoil techniques mean no soil is excavated, removed, or disturbed during foundation construction in brownfield sites. These techniques can help reduce construction’s environmental impact, minimize disruption to nearby structures and communities, and avoid the time-consuming and costly process of removing the contaminated soil.

The reuse and redevelopment of brownfield sites can be challenging. But there are proven methods to overcome some of those challenges. 

For instances where contaminants, pollutants, or hazardous materials prevent the removal or excavation of soils, helical piles can often be a great solution.  

Helical Piles: Helical piles are a deep foundation system of hot-dipped galvanized steel. No spoils are created, and there is little to no disturbance to the soil during the installation process. Other benefits of helical piles include the following:

  • Quick installation 
  • Instant torque-to-capacity verification
  • Small installation equipment required 
  • No vibrations or loud noises
  • No grout or concrete is required, which means there is no cure time, and installation is not weather dependent. 

In summary, zero spoil techniques, such as using helical piles, can be used to avoid removing brownfield soil during deep foundation construction. A geotechnical engineer and Carolina Foundation Solutions can help determine the most suitable method based on the specific site conditions and requirements.

Brownfield Site Case Study: Four-Story-Hotel

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