Elizabethton, TN Water Resources oversees a 70 mile sewer system serving 28,000 people. In order to address aging infrastructure and leaky sewer pipes, the utility had to create an asset management program utilizing mapping software. Their approach involved assessing entire neighborhoods and focusing efforts on areas with greatest need. In order to ensure resources were allocated in the most efficient way, they implemented acoustic technology to understand pipe conditions before deploying more expensive resources.
“The SL-RATs are helping by quickly identifying the locations of obstructions…it’s much more focused than trying to televise the entire 70-mile system. The SL-RATS tell us where we need to spend more time on CCTV investigation. The CCTV investigation tells us whether we need point repairs, sliplining or replacement.” says Johann Coetzee, Water Resources General Manager.
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