Rapid acoustic inspection leads to focused cleaning efforts
Problem: With a time-based maintenance program, Little Rock Water Reclamation Authority in Arkansas annually serviced 40% of its small-diameter collections system using high-cost resources such as CCTV or cleaning. Some of these serviced segments had plenty of flow capacity, while blockages in other parts of the system were being missed and causing overflows. Despite having a highly sophisticated cleaning program, Little Rock looked to enhance its program and reduce its sanitary sewer overflow count by implementing new technologies.
Solution: In January 2017, Little Rock started utilizing the Sewer Line Rapid Assessment Tool, or SL-RAT, from
