842-Tons of Sand, Grit, Lime Material Cleaned from Two BTU Structures

PREVIOUSLY UNREMOVABLE MATERIAL REMOVED IN EAST FLORIDA


BTU Structure at East Florida plant before and after material was removed.
BTU Structure at East Florida plant before and after material was removed.

Sand, grit, lime, rags, sludge, and other wastewater residuals had accumulated over time in two large East Florida BTU structures, reducing the plant’s overall capacity. Due to the challenging nature of the material, previous companies had been unable to remove the material with conventional vacuums and equipment. The lime sludge that was found in the structures was the source of the main issue the facility was facing, and the material was described as having the consistency of “slightly dried out play-doh”.

Lime sludge material found in structure at East Florida plant.
Lime sludge material found in structure at East Florida plant.

A buildup of material in a tank such as this has the potential to cause several issues, including reduced treatment capacity and wear and tear on equipment.  A drain-down and confined space entry was necessary in order to efficiently access the material. 

Each of the facility’s above-ground BTU tanks measured at 113-feet by 130-feet, with 17-foot high walls. The Combination Truck’s powerful vacuum was used to remove sand, grit, lime, sludge, and rags without any issues.  USST’s vacuum delivers nearly double the CFM of a standard vacuum truck, allowing the crew to remove large amounts of wastewater residuals and complete the job quickly and on schedule.  In total, 842-tons were removed from the combined structures quickly and safely and disposed of offsite, minimizing odor concerns.

“Lime in particular is one of the hardest materials to remove from a structure,” reflected USST Foreman, Michael Kisling. “I’m proud of the performance of our experienced crew members and thankful we have equipment versatile enough to adapt to anything we encounter.”

Combination3® Truck at work.
Combination Truck at work.

USST’s Combination Trucks are more than just a simple vac truck.  Equipped with powerful vacuum, downhole pump, jetter, and extended-reach boom, they have the ability to clean in wet or dry conditions in up to eight different setups without bringing multiple pieces of equipment to the jobsite.

Call one of our knowledgeable project advisors for a free site assessment or to ask any questions you may have at (844) 765-7866 or email info@ussubmergent.com. Check out our video to learn more about the Combination technology.

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