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RE: Underground gas-pipe protection

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This is for PVC pipe, but it should be applicable to any pipe.
Scroll down to Chapters 6 & 7 which you can download.

Regards, Harold Sprague

> Date: Tue, 9 Oct 2012 19:05:22 +0200
> From: dcohen(--nospam--at)
> Subject: [SEAINT-SEAOSC] Underground gas-pipe protection
> To: seaint-seaosc(--nospam--at)
> Fellow engineers,
> I'm designing an underground pipe for Natural Gas (12" - 6" diameter) 
> 800m length.
> My client asks me to design a solution to protect the pipe for the case 
> of loading a crane-leg above the pipe.
> He thinks that it could be a 500 t-m crane there.
> The maximum the crane could apply in one leg is 160 ton and they use a
> 3.8X2.4m dispersal plate (17.6 t/m²).
> The pipe depth is varying between 1.5 to 2.7 m.

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