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#201852 - 06/28/11 12:45 PM electrical conduit sharing trench with gas
Niko Offline
Member

Registered: 08/17/06
Posts: 358
Loc: Campbell, CA
Can the gas line share the same trench with the electrical conduit? They are both branch circuits and are not on the service side.

I know it is not an NEC issue.

Thank you.


Edited by Niko (06/28/11 12:46 PM)
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#201853 - 06/28/11 02:38 PM Re: electrical conduit sharing trench with gas [Re: Niko]
HotLine1 Offline

Member

Registered: 04/03/02
Posts: 6785
Loc: Brick, NJ USA
Niko:
Check locally IMHO.

Here in NJ it's not an issue as long as they are not 'side-by-side'.

You may have siesmic issues.
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#201868 - 06/28/11 09:40 PM Re: electrical conduit sharing trench with gas [Re: Niko]
gfretwell Offline

Member

Registered: 07/20/04
Posts: 9012
Loc: Estero,Fl,usa
I agree with John. Local policy will dictate this and it may actually be the utilities driving it.
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#201870 - 06/28/11 09:48 PM Re: electrical conduit sharing trench with gas [Re: Niko]
Tesla Offline
Member

Registered: 06/16/04
Posts: 1280
Loc: Sacramento, CA
Pacific Gas & Electric does not permit it.

Underground natural gas delivery is by plastic.

No way will PG&E suffer compounding fires -- electric then gaseous.

Common trenches out my way are restricted to power, data, coax... with various horizons at least 12" apart -- sometimes more.

Fresh water, dark water, fire systems, and gas are not permitted in the common trench.

Customer side power is not permitted in the same horizon ( depth ) as utility lines. Utility power is always to be the deepest in the trench -- except if crossing.
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#201872 - 06/28/11 10:23 PM Re: electrical conduit sharing trench with gas [Re: Niko]
Niko Offline
Member

Registered: 08/17/06
Posts: 358
Loc: Campbell, CA
Thanks guys.

I have emailed the plumbing inspector for advice.
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