March 23rd, 2011 – Check Water Levels in Drywell With Acoustics

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From: Gauntt, Randall 0 [[email protected]]
Sent: Wednesday, March 23, 2011 8:35 PM
To: Kelly, John E (NE)
Cc: Lee, Richard
Subject: Water Level Diagonstics

John,

I would think it likely possibly to determine the water level in the drywell by accoustic means if one can excite the drywell shell with a sonic signal. I think it is possible to watch sonic reflections come back that are affected by the significant impedence encountered where the water level contacts the drywell shell. Accoustic guys are probably very good at interpreting wave speed in the steel and can see the reflection where the water level affects things.

Just a thought.
Randy

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