Foam Abandonments

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foam abandonments

Foam abandonments, also known as foam fill or foam concrete fill, is a method used in the decommissioning or abandonment of cesspools, septic tanks, or other underground storage Foam abandonment is a cost-effective and environmentally friendly method for decommissioning unused or obsolete cesspools, septic tanks, or storage tanks. By filling the empty space with foam, Clear River Environmental helps prevent potential hazards such as groundwater contamination, soil subsidence, or accidental collapse of the tank. Additionally, foam abandonment eliminates the need for costly excavation and removal of the tank, minimizing disruption to the surrounding area.

Here’s an overview of the foam abandonment service provided by Clear River Environmental:

  1. Assessment and Planning: Before proceeding with foam abandonment, Clear River Environmental conducts a thorough assessment of the cesspool, septic tank, or storage tank to determine its condition and suitability for abandonment.We also consider factors such as local regulations and environmental requirements.
  2. Preparation: The cesspool or tank is emptied of any remaining liquid waste and cleaned to remove debris and sediment. This ensures that the foam fill material can be properly applied and effectively seal the space.
  3. Foam Application: Clear River Environmental uses specialized equipment to inject foam fill material into the empty tank or cesspool. The foam is typically a mixture of concrete, water, and foaming agent that expands and hardens to fill the entire volume of the tank.
  4. Expansion and Curing: Once injected, the foam fill material expands to fill the available space within the tank or cesspool. It then undergoes a curing process, during which it hardens and forms a solid, impermeable barrier that prevents the ingress of water or soil.
  5. Verification and Compliance: After the foam abandonment process is complete, Clear River Environmental verifies that the tank or cesspool has been properly filled and sealed according to regulatory requirements. This may involve inspections and documentation to demonstrate compliance with local environmental and safety standards.
  6. Site Restoration: Depending on the specific requirements of the project, Clear River Environmental may also perform site restoration activities after foam abandonment. This can include backfilling excavated areas, regrading the soil surface, and restoring landscaping or paving as needed.


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