New Acoustic Monitoring Network Will Detect Leaks, Issue Alerts in Singapore

New Acoustic Monitoring Network Will Detect Leaks, Issue Alerts in Singapore

An installation of an acoustic hydrophone sensor.

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An innovative acoustic monitoring system will soon be deployed on Singapore's drinking water supply network to detect leaks in the city-state's large water mains.

The solution by Aquarius Spectrum — a leading provider of water leak detection and pipe condition assessment products — was part of a proposal submitted by its local partner, which was awarded the tender by PUB, Singapore’s National Water Agency for provision of leak detection services.

Aquarius will provide 900 sensors to be installed on Singapore's large water mains — with diameters ranging from 500 millimeters to 2,200 millimeters. These sensors, designed specifically for underground installation, will perform leak monitoring on approximately 400 kilometers of the water pipeline for the next five years.

The sensors detect and record the sounds within the pipe, sending them directly to a cloud-based server for analysis using a wireless network and special algorithms. The results are translated to system alerts including a detailed GIS map of identified leaks and their estimated size. A unique feature of the system is an automatic correlation between every two measuring sensors, generating reliable and accurate results in a very short of time.

“Aquarius is proud to deliver to PUB the gold standard performance in leak detection in a large-scale project, having successfully provided leak detection services in all five continents,” says Naama Zeldis, CEO of Aquarius Spectrum. Aquarius allows utilities around the world to significantly reduce their non-revenue water and their operational costs by providing accurate and continuous data on the quality of the pipe system, on points of vulnerability and on potential and actual leak events.

“The best way to minimize water losses, optimize the water network asset and avoid unnecessary capital investments such as emergency treatments and piping replacement is by taking a proactive approach while implementing data-driven tools and big-data analysis,” says Zeldis.


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