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Case Study
Floating cover, liner, and three floating baffles that replaced a failing 9-year-old cover and doubled plant capacity from 6M to 12M gallons per day. NSF approved.
The Challenge
The City of Staunton's water treatment plant had a 9-year-old floating cover that was failing and limiting plant capacity to 6 million gallons per day. The city needed a replacement system that would not only restore the cover function but also improve hydraulic efficiency enough to double plant throughput to 12 million gallons per day, all while maintaining NSF compliance for potable water contact.
Our Approach
EFI replaced the failing cover with a 46,760 SF floating cover and 13,056 SF liner using XR-3PW material, which carries NSF approval for potable water contact. Three floating baffles were installed to optimize hydraulic retention time and flow distribution, effectively doubling the plant's treatment capacity without expanding the physical footprint. The baffles eliminate short-circuiting that had been reducing the old system's efficiency.
Outcomes
“We doubled our treatment capacity without building a single new basin. The baffle system EFI designed eliminated the short-circuiting that had been crippling our old system's efficiency. The NSF-approved materials gave us complete confidence for potable water service.”
City Water Director, City of Staunton
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