Power Plant Pipe Abandonment
The Job
As part of decommissioning a coal power plant in southern Georgia, the demolition contractor needed to abandon the facility’s cooling water pipes. The project involved filling 6,500 linear feet of pipes, which ranged in diameter from 60 inches to 120 inches. The total required volume of flowable fill for the abandonment was approximately 19,000 cubic yards.
Generating & placing 200CY/hour of CJFill-Ultra Lightweight
The Challenge
The immense 19,000 cubic yard volume made traditional flowable fill methods impractical. Sourcing and placing that much material with conventional means would be exceptionally slow and expensive. Additionally, the abandonment work occurred while other parts of the power plant were still active. These ongoing operations created logistical constraints not typical for high-volume abandonment projects.
The Solution
CJGeo proposed using our 25lb/cuft CJFill-Ultra Lightweight cellular grout. This material allows for onsite batching at high production rates. The owner and contractor were receptive to this value-engineered approach. We mobilized our specialized equipment to the site to generate the cellular grout. To meet the project’s schedule, we ran two 200 cubic yard per hour plants concurrently at times. This setup enabled us to place more than 1,500 cubic yards of grout per day, completing the project efficiently despite the site’s operational complexities.
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