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08-23-2017, 10:02 AM #1
Black iron gas pipe through concrete
This is a black iron gas pipe in a garage. Meter is outside. Is there an issue with the concrete being in direct contact with the mortar? If so, is there a relatively easy fix or does the gas need to be shut off temporarily and the pipe removed to sleeve it?
If there is an issue, can you please include a code reference if one applies?
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08-25-2017, 10:35 AM #2
Re: Black iron gas pipe through concrete
I see there has been no answer from the teeming masses. I do not recall any restriction based solely on the pipe penetrating through concrete, although a sleeve would be a good idea for a couple of reasons. I can see no evidence of excessive corrosion.
The only restriction that I recall is underground gas piping run through a foundation wall and/or a slab. Those are both covered in the UPC and IRC.
Department of Redundancy Department
Supreme Emperor of Hyperbole
http://www.FullCircleInspect.com/
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08-25-2017, 11:49 AM #3
Re: Black iron gas pipe through concrete
That is the way I see it through stucco here on every house. I don't see a problem with it. Yes, under the slab is a big difference.
Jim Robinson
New Mexico, USA
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08-28-2017, 12:46 PM #4
Re: Black iron gas pipe through concrete
Thank to those who responded. Her local gas company "black tagged" her meter (not sure what that means) after seeing this...I did the inspection months ago.
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08-28-2017, 08:35 PM #5
Re: Black iron gas pipe through concrete
Last edited by Jim Luttrall; 08-29-2017 at 08:16 AM.
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08-29-2017, 06:19 AM #6
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08-31-2017, 05:39 PM #7
Re: Black iron gas pipe through concrete
Department of Redundancy Department
Supreme Emperor of Hyperbole
http://www.FullCircleInspect.com/
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08-31-2017, 07:11 PM #8
Re: Black iron gas pipe through concrete
This is what I was thinking of:
P2603.4 Pipes through foundation walls.
A pipe that passes through a foundation wall shall be provided with a relieving arch or a pipe sleeve shall be built into the foundation wall. The sleeve shall be two pipe sizes greater than the pipe passing through the wall.
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08-31-2017, 08:52 PM #9
Re: Black iron gas pipe through concrete
Department of Redundancy Department
Supreme Emperor of Hyperbole
http://www.FullCircleInspect.com/
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09-01-2017, 01:26 PM #10
Re: Black iron gas pipe through concrete
But ... but ... but ... that's not a "foundation wall".
Use one of the other references I posted for penetrations through exterior walls.
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09-01-2017, 04:48 PM #11
Re: Black iron gas pipe through concrete
Department of Redundancy Department
Supreme Emperor of Hyperbole
http://www.FullCircleInspect.com/
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09-01-2017, 05:21 PM #12
Re: Black iron gas pipe through concrete
That is going through a block wall, from outside to inside into a garage, the meter is outside the wall - at least that is what the original post said.
That wall is no different than a block wall at the rear porch with a gas line going through it, or from outside to inside to a fireplace, or into a kitchen, etc.
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09-10-2017, 05:58 PM #13
Re: Black iron gas pipe through concrete
Should have a sleeve with the annular space sealed to prevent weather and rodent intrusion. It is in the NFGC and in the FG section of the plumbing codes. A poly spit sleeve is the easiest fix and a little silicone caulk. Hardest part is chipping out the mortar of what looks like a nice job.
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