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Old 09-08-2010, 07:43 PM   #16
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what to use for gas underground


Yelling? what yelling? that bit in bold is a quote from the OP. Sorry but I don't take chill pills when it comes to somebody is hell bent on putting his family and the neighborhood in jeopardy. Are you sure it's not your neighbor?

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Old 09-08-2010, 08:27 PM   #17
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what to use for gas underground


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Originally Posted by majakdragon View Post
Depending on your local Codes, there may be a few materials you can use. Black iron/steel pipe can be used, in most areas, for above ground piping. You cannot have threaded joints underground, they must be welded. Most areas do not allow copper inside the home for gas. Check your local Plumbing Code office. Also contact your Home Insurer. Unauthorized work can cancel your policy.

We can use copper under ground here if it's put in a plastic sleeve. we can also use coated black pipe with threaded joints under ground. we can also use plastic under ground. It's what the code official in your area will allow
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Old 09-09-2010, 09:25 AM   #18
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what to use for gas underground


I agree that Local Codes take precedence. This is why DIY sites have so much arguing. I have worked in 3 States and all had pretty much the same rules for gas piping, except Florida, which allowed galvanized pipe.
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Old 09-09-2010, 09:44 AM   #19
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what to use for gas underground


it amazes me what homeowners will do with their homes these days. Just the fact that this dude came to an international forum and asked what to do, rather than make a phone call to the local AHJ says he should not be touching gas pipe. "Cheapest stuff to use underground"??? Is a few hundred bucks worth the risk to your family? I really don't think we should even answer any of these questions.
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Old 09-09-2010, 11:02 AM   #20
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what to use for gas underground


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it amazes me what homeowners will do with their homes these days. Just the fact that this dude came to an international forum and asked what to do, rather than make a phone call to the local AHJ says he should not be touching gas pipe. "Cheapest stuff to use underground"??? Is a few hundred bucks worth the risk to your family? I really don't think we should even answer any of these questions.


Not long ago,I had to re pipe a house that had caught on fire. The reason for the fire. Some hack (friend of a friend of a friend) had piped the house gas line with PVC
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Old 09-09-2010, 03:23 PM   #21
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what to use for gas underground


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Not long ago,I had to re pipe a house that had caught on fire. The reason for the fire. Some hack (friend of a friend of a friend) had piped the house gas line with PVC
yep I've seen stuff like that a couple times. Looked at a water heater couple months ago, someone (handyman i think) plumbed the gas line from gas valve to ball valve with pex, probably cause the new didn't line up and they didn't have a flex line. shut it off first, then told her if she didn't let me fix it i'd call the gas company to turn the meter off
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Old 10-02-2010, 12:59 PM   #22
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what to use for gas underground


I have been looking into this myself a bit. It would probably be best to contact some pros and see who is willing to work with you on the underground stuff. Since you are wanting to save, some pros will let you dig the trench to their specs and fill it back in to save some on this. Also, they will go over some things like how much weight may be on the line and ground conditions that pipe will be exposed to. Is it in an area that may get driven over and how it is to be marked. Inside the garage, black pipe and some flexible stainless at the end with a minimum 3" sediment stub you can do. Double check your codes and make sure you pull a permit unless your not worried about your insurance company making good on a fire claim. A diagram to the inspector helps alot before you get started. Make sure you get the right pipe joint sealant for gas. Be sure to get lots of pictures when it's installed. These will be helpful to you or future owners that may have to find the pipe again. Also, I'm pretty sure copper and galvanized pipe are not used with natural gas. Always check all your connections with soapy water and a paintbrush. If the pro you get is pretty cool they may help with some questions and layout for the inside stuff. Remember to take care of them (six pack, gift cards, etc.) though if you find yourself calling them or they start becoming a part of your project. Be Safe, Codes exist to keep people alive.
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Old 02-26-2013, 10:18 PM   #23
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what to use for gas underground


My stick framed shop was built in 2003 and is maybe 50' from my house built in 1985. Shop is approx 30' x 48' with one 22 x 12 foot door on one end. Attic Trusses were used
so their is approx a 14' x 40' "room" with in the trusses and 7/12 roof pitch (watch your head).

There is a small furnace installed at end of "attic" room with the intent of heating the below shop via ductwork and ceiling registers to blow the warm air down.
After my previous owner concluded this wasnt going to heat 13' ceiling shop, he bailed out on furnace and installed REZNOR unit heater hung close to sheetrock
ceiling and supported by All-Thread and uni-strut layed across the trusses.

I forgot to mention that CSST was run from crawl space of main home underground thru PVC and enters shop through concrete footing into stud wall area.
I have removed sheet rock so as too see this. There is no shut off valve for the CSST in the shop after it enters the shop.
CSST goes up vertical stud wall into attic truss area (outside of aforementioned room) and runs toward that rear funrance room.

When the REZNOR was added the CSST was evidently cut and a Brass T was added for the REZNOR. ( This CSST and T is outa site in outer wind area of truss(es)
Off the bottom of Tee "they" used black iron pipe and came straight down through sheet rock ceiling and supplied REZNOR gas heater.

I now want to add a gas water heater to sit on the shop slab some 13' below. My question is how/where/what should I use to run
gas to a newly added water heater ?
I understand how I could easily drop black iron vertically down between the studs from another T up in the attic area, but then how how
would I run the gas horizontally maybe 10-12' inside the wall to where it would exit the wall and supply water heater...........
OR do I use uni-strut and hang exposed pipe outside of sheetrock ????

Thanks for reading this book. Didnt know how to explain otherwise.
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Old 02-26-2013, 10:39 PM   #24
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what to use for gas underground


My brother has been working for PSE&G in NJ for about 30 years and the last time I spoke with him they were pulling copper lines in to homes. I have always used schedule 40 black pipe and have never had a problem, and galvanized pipe can be used in most places now because the additive the gas company uses to give the gas that gas smell is no longer harmful to galvanized pipe. (For about the last 40 years, of course some people still call CD Exposure 1 Plywood, CDX, when APA hasent used interior glue for about 50 years) I always use Teflon pipe dope, test every connection, and properly support my pipes.

The key is respect, knowledge, and the proper tools. Some people can cross thread a lightbulb, and they should never go anywhere near gas.

I don't buy the fear routine, Ive seen too many hack jobs by so called pros.
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Old 02-27-2013, 07:10 AM   #25
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what to use for gas underground


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Originally Posted by NHMaster View Post
1st off, you cant use regular csst underground but more importantly. If you don't know what pipe you can use than you don't know enough about gas and gas piping to be doing the project. It'd be like a surgeon asking which clamp to use to hold your intestines out of the way. Be safe, hire a professional. You will sleep better.

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Last edited by COLDIRON; 02-27-2013 at 07:17 AM. Reason: Changed
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Old 03-12-2013, 01:14 PM   #26
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In conclusion...................

I spoke to the inept general contractor who built my detached shop almost ten years ago. He evidently thought (but didnt know the difference) that the heating
contractor who ran the line was using Underground Gas Polyethylene (PE) Piping (as should have been done)

I can only assume that all of this gas line/heating/bathroom plumbing
work was done after the bldg construction was inspected by the county.

I contacted the Heating contractor and found out they had gone out of business and now operate under a different name. Manager I spoke with said she would try to find old file, but whats the point.

The nine year old CSST 1/2" run is going under a concrete walkway that at least 6+ feet wide. I'm not in a position now to tear out this walkway or "mole" under it to install
a new line from meter to shop.

I'll just live with the 1/2" CSST feeding my 100K btu REZNOR and plan to install a 30 gal 240 volt TANK water heater

Thanks to all that replied to my recent posting on this thread...............

Last edited by CamarosRus; 03-12-2013 at 01:19 PM.
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Old 03-12-2013, 01:59 PM   #27
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what to use for gas underground


I don't mean to throw a sabot into the machinery, but why are there so many varying opinions on what seems to be a fairly straightforward question? I remember working on old homes in NJ that still had black piping run through the walls for gas lighting. Black pipe has been used for gas forever, and I really have not heard of many accidents with gas considering the number of homes that have it, so where is the incentive to change what has worked for so many years? The only possible answer is cost of installation. I know one thing, I definately dont want gas running through plastic in my house, and I don't like the idea of soft copper either.

As far as any government regulating what I can do in my own home, I don't want to hear it. Survival of the fittest is mental as well as physical, and the sooner you Regulation freaks figure that out, the better off we will be, unless of course you are looking forward to the Fourth Reich.

What I don't like about this gas issue is that the people that are supposed to know what is correct don't even seem to be able to come to an agreement. It was proven about 50 years ago that the zinc coating inside galvanized pipe does not slough off like most of you seem to say it does, yet the legend persists. How about those of you who have actual facts enlighten us Poi-loos? And please come with the data, not "Because I said so" or "Because Joe Blow told me" as justification. By justification I mean tests done by a certified laboratory that has documented cases of zinc coating failure due to the presence of natural gas.

I bet there are a lot of you anti-galvanized pipe guys that think eating carrots enhances night vision, right?
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Last edited by jagans; 03-12-2013 at 02:06 PM.
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Old 03-12-2013, 03:45 PM   #28
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I'm still very new to this site........

On 2/27/13 I posted my issue using an old thread because I had an underground piping concern

I find it "interesting" that other members find it compelling to post up there
comments and rants that have absolutely no constructive advice.

I've come to my own conclusion...........to leave my (improper) directly buried CSST in place and hope for best, that it doesnt fail
and to install, probably a 30 gal TANK style elec water heater..

Thanks and regards to whomever tried to give me real advice.
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Old 03-12-2013, 08:02 PM   #29
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what to use for gas underground


Quote:
Originally Posted by Mr Fixit View Post
Black steel was the norm for gas piping for about 100 years. For the last fifty or so (prior to the use of plastic) the underground piping was bitumen coated and wrapped with a bitumen coated paper tape and another coat of bitumen. This was replaced by heavy vinyl tape about thirty years ago, which I used 22 years ago when I did mine.
New Jersey Natural Gas (NJNG) at that time recommended black pipe that was properly tar coated and wrapped, and specifically recommended against galvanized.
Depending where you are located the codes are different as to what type of piping is used.
Some area recommend plastic, others don't.
For natural gas, the pipe of choice and code, in most cases is schedule 40 black steel pipe, that has been used for about 100 years.
The underground black pipe of today has a factory-applied plastic coating to stop corrosion.
Don't fall out of the saddle on that high horse of yours.
Blowing the house up is always a cheaper option....
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Old 03-13-2013, 11:39 AM   #30
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what to use for gas underground


NH master it is very frustrating listening to people who have no business giving advice. You are spot on my friend. I am a MA plumber and it pains me to see some of the answer people give. Again seriously thank you for trying to educate people who don't want to be educated. I'm being 100% sincere

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