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hydro-testing before backfilling

hydro-testing before backfilling

hydro-testing before backfilling

(OP)
shouldn't it be easier to hydrotest a new line before backfilling so as to easily identify the segments that require repair?

RE: hydro-testing before backfilling

Pipe that is exposed to the sun will heat up.  If that pipe is full of water than the heat will cause the pressure to rise rapidly.  If you bury the pipe then it is sheilded from the sun and you'll have a lot less problem with solar gain or losing heat to a cold cloudy day.  Digging up a failed pipe is a lot easier than dealing with heat gain/loss (and you can usually find it pretty easily by the BIG mud hole).

David

RE: hydro-testing before backfilling

ditto, besides, failures are rare.

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