LThe suspicious part of the network was located by separating parts of the hydrant network. After that, the suspicious part of the network was listened to with an acoustic sound detector - a geophone. A fault was located at the branch of the hydrant network branch that separates towards the main facility of the factory.
The location of the leak was marked on the asphalt surface, and after the repair of the defect, it was determined by checking that there is no longer any loss on the hydrant network, thus successfully completing this work.
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