WATER PIPE MONITORING SYSTEM SURVEY PAPER By GROUP 18-22 Wireless Sensor Networks DEPARTMENT OF NETWORKS SCHOOL OF COMPUTING AND INFORMATICS TECHNOLOGY (original) (raw)

Leakage from water pipes is posing a serious problem for the water supply industry that has to supply purified water at high cost to the consumers. Water pipes are usually buried underground, the piping distance can be extremely long, and it is not rare that a pipe is used for as long a period as more than forty years. Since the pipes are buried, they are difficult to monitor either visually or by using cameras. Even when a water leak incident is clearly indicated by the difference between the supply and consumption quantities, it is difficult to identify the actual location of the leak. The water leak survey method most often used at present consists of patient work performed by trained human operators, who find the water leaks by detecting sounds by using a special leak detector placed at the ground level. [1] Wireless smart sensor networks are a viable solution for monitoring the condition, in particular the pressure and hence leaks, of buried water pipelines. Their advantage over other commonly used leak detection methods is that they have a degree of redundancy as individual faulty nodes do not render the whole system obsolete and allow for continuous monitoring without operator intervention. Ultra-low power smart wireless sensor networks allow them to stay operational for extended periods of time without maintenance. This makes them now viable for both existing and novel power supplies [2].

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