Report shows how leakage technology is advancing
Sep 27, 2023
Any water loss through leaking pipes is unacceptable in the eyes of the public, and on the launch of a deep-dive leakage report from Ovarro, technology leader for leakage solutions, Barbara Hathaway, explains how technologies continue to advance.
As I explain in Ovarro’s new deep dive report the Future of Leakage, if we are to achieve such an ambitious goal, water utilities need to continue to invest in innovation, support new ideas and share findings. Of course, when it comes to leakage reduction, the sector has not always got it right. Around 70 years ago, it was thought one solution was to replace corroding metal water mains with new plastic pipes, which would never leak. We now know this is not the case. Plastic pipes can leak and the noise the escaping water generates is quieter, lower frequency and harder to detect than that from a metal pipe.
This created a new challenge, but in response, technology adapted to focus on internal pipe sensors to listen for noise. One example is Ovarro’s Enigma lift-and-shift logger, which was designed 18 years ago, but remains a go-to device for leakage technicians, providing reliable overnight correlation results to pinpoint precise leak locations. Technology continues to advance. In 2022, LeakNavigator launched as the UK’s first fully-managed, fixed network leakage service, moving us further forward.
Globally, more and more utilities are adopting data-powered tools, which are transforming network management. Products that apply artificial intelligence and machine learning, as well as cloud-based, as-a-service models, are recent additions to the Ovarro portfolio, developed in collaboration with the sector to address their current and future challenges. Considerable research is also underway into prioritising leak noise, allowing operators to understand which noises picked up by acoustic loggers are most likely to be large leaks.
Ovarro’s LeakHub system has already been updated to filter electrical interference generated noise and other man-made sounds such as pressure reducing valves, mechanical water meters and air conditioning units. The last two years have been an incredibly challenging time for industries that rely on electronics, with supply chain shortages impacting many technology companies, including Ovarro.
Thankfully, these problems are starting to ease and we can renew focus on researching and developing next generation products for leakage reduction. Our report sets out Ovarro solutions and looks ahead at what is to come. Water utilities investing in new leakage technology should consider all available options and business cases, rather than take the default view that lower cost or higher volume is best.
A few strategically placed devices in problem areas could provide a better return than flooding an area with a single product and expecting it to solve every problem. Each technology has its place, and it is worth keeping an open mind about what would provide the most effective overall solution for a particular network. Now is an exciting time for water technology. The water crisis is forcing us to answer new questions urgently, but it is not a solo mission. Liaison between utilities, suppliers, innovators, academics and governments will be the only way to drive through new ideas at the rate we need. Technology, used in the right way, has never been more critical.
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