[TowerTalk] Buring Bury-Flex

Steve Maki lists at oakcom.org
Mon May 12 07:18:11 EDT 2014


It's not a given that a typical ham (myself included) can achieve 
consistent plumbing quality seals when working with 10' lengths of 4" 
schedule 40 in deep irregular trenches and big unruly bundles of cable. 
And no way to test your work.

-Steve K8LX

On 5/10/2014 2:21 PM, Patrick Greenlee wrote:

> I still don't understand the assumption that the pipe will fill with
> water.  Isn't that like assuming the PVC used to deliver water under
> pressure will always fail and leak which flies in the face of our
> experience?   It doesn't leak in pressure applications over 100 PSI.  A
> rough rule of thumb is one PSI of hydraulic pressure for every two feet
> of water depth.  If your water depth plus bury depth in your back yard
> is say 2 ft  in total then you will have a maximum of 1 PSI of pressure.
>    Don't you think a system used successfully to deliver water at over
> 100 PSI should be able to take 1 PSI in the rigors of your subterranean
> backyard situation?




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