I've got a customer with 1 mile of 4" c900 pipe buried water pipe with a few taps off it. The system is fed by two 8" gravel wells with 5hp submersible pumps at like 15'. The system is designed to run open discharge, it feeds two homes directly (filling atmospheric storage) and also goes to a pit where it has a solenoid that filled another home atmospheric storage tanks and also a 5hp booster pump which feeds an irrigation system.
The caretaker called me last week because in the pump house then lights for the pumps kept banging on and off, they usually run for a few minutes at a time filling the storage tanks or the irrigation system. I've determined that there is a leave from the wells to the pit somewhere, nothing bleeding back into the wells themselves. As a result of this the small bladder tank (which is only a buffer tank when the solenoids close) had a shot bladder due to the constant hammering.
I returned today and removed the bad tank and installed a new (and a second to help with the abuse).
Leak detection specialists coming out tomorrow,many have experience with leak detection?
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