Most site contractors have a backhoe. If you are dealing with multiple mains, especially if they cross, it could be difficult to find an answer using typical soundings techniques. Maybe someone in the geology department at Rutgers (A UCONN fan recommending Rutgers?) could maybe give you some insight. They determine 3D profiles of what's underground all the time.


At 03:07 PM 12/2/2008, you wrote:

Members,

Anyone aware of a service, equipment or method to locate underground
water mains ?.  Our problem is with a fire service main that no one
knows where its being fed from complicated by the fact that theres a
number of different mains available. Is there some sort of electronic
transponder that can be fed down the stub up that will radiate signal
that can be picked up from above ground ?, a camera arrangement ?, or
some other trick ?

Thanks
John Drucker

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Fire Protection Design/Consulting
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