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Bengaluru's Bangalore Water Supply and Sewerage Board (BWSSB) has begun using robotic inspection systems to check underground sewer lines, reducing the need to dig up roads and lowering maintenance costs. Rolled out recently, the technology has been deployed across 38 locations to accurately find blockages, cracks and other faults. The move has sped up repairs, reduced disruption to traffic, and improved safety by limiting manual entry into confined spaces. BWSSB plans to expand this technology further as part of ongoing efforts to modernise sewer maintenance.
Bengaluru's water board has introduced robotic technology to inspect sewer lines in a move that cuts down road damage and lowers overall costs. The Bangalore Water Supply and Sewerage Board (BWSSB) started using these robotic systems last month in place of traditional digging methods to check underground sewer pipes. Advertisement
The robots provide high resolution images from inside sewer pipelines, helping engineers spot blockages, cracks, structural deformities and internal damage without opening roads. This non invasive inspection method has been used to handle 75 service requests, of which 67 have already been completed and the remainder are being addressed.
Using the robotic systems, BWSSB teams identified more than 93 distinct defects. Many of these issues would likely have required multiple rounds of digging and trial and error to locate under traditional methods, leading to repeated road cuts and higher restoration costs. By pinpointing the defects precisely, engineers have avoided unnecessary excavation at 38 locations, reducing surface damage and traffic disruption.
This precision has also resulted in substantial savings by cutting down on the need for repeated digging and extensive repair work on the roads. The robotic inspections have helped BWSSB shorten the time required to diagnose problems, allowing faster decision making and more targeted repairs.
Officials say the technology is more than a short term fix. One senior BWSSB engineer noted that having accurate real time data on the condition of underground sewer lines supports a shift from reactive maintenance to a more predictive and preventive approach. This could lower the chances of unexpected breakdowns and long term operational losses.
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