Prior to integrating acoustic inspection, New Castle County (DE) relied on a time-based preventative maintenance approach that had limitations. As New Castle operations service manager explains, “Our operators were coming back, some of them frustrated that every pipe they cleaned was running clear water. It’s frustrating when you know your resources are limited and you know you’re cleaning pipes that don’t need to be cleaned.”
The Sewer Line Rapid Assessment Tool helped the county to recognized that of the areas tested, 78% were in good condition, requiring no additional work. With this insight, New Castle’s maintenance program was able to direct CCTV and cleaning resources to the areas of greatest need, saving time, water and money.
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