Gas Pipe - how long can I go?

Posted by on January 28, 2009, 1:39 pm

> > My house is being renovated. =A0Got rid of the oil and switching to
> > gas. =A0Half the house has a crawl space, the other half is on grade
> > (with 10" floor joists). =A0 A new gas line will be run from the
> > street. =A0The question is where to put the gas meter. =A0My contractor
> > wants to put it near the side of the house adjacent to the crawl
> > space. =A0Makes sense, but it would be unsightly. =A0 I want to put it =

out

> > of sight, which means near the side of the house without a crawl
> > space. =A0This would entail running the gas pipe under the floor of the
> > house for about 29' until it reaches the crawl space. =A0 The contracto=

> > doesn't want to do this because he doesn't want to end up with any
> > unaccessible gas pipe joints (i.e., burried under the finished
> > floor).
> > Question: is there some sort of code compliant gas pipe that's very
> > long (and flexible and comes on a spool), that could span the distance
> > I need without having to join multiple sections? =A0How can I solve thi=

> > problem?
> > Thanks,
> > AABob

> Just remember a longer line needs to be bigger and a Manometer test
> must be done figuring in low winter pressure and all adds on you may
> do in your lifetime there. Dont guess, have in writing what flow you
> must test at.- Hide quoted text -
> - Show quoted text -

Yes, that is also needed. Make sur eyou have a big enough line or you
will have problems when multiple appliances kick on at the same time.

Posted by RicodJour on January 28, 2009, 2:54 pm

AABob wrote:

> My house is being renovated. Got rid of the oil and switching to
> gas. Half the house has a crawl space, the other half is on grade
> (with 10" floor joists). A new gas line will be run from the
> street. The question is where to put the gas meter. My contractor
> wants to put it near the side of the house adjacent to the crawl
> space. Makes sense, but it would be unsightly. I want to put it out
> of sight, which means near the side of the house without a crawl
> space. This would entail running the gas pipe under the floor of the
> house for about 29' until it reaches the crawl space. The contractor
> doesn't want to do this because he doesn't want to end up with any
> unaccessible gas pipe joints (i.e., burried under the finished
> floor).
> Question: is there some sort of code compliant gas pipe that's very
> long (and flexible and comes on a spool), that could span the distance
> I need without having to join multiple sections? How can I solve this
> problem?

Another poster mentioned gas line made from corrugated stainless and
covered with yellow polyethylene - one such product is Gastite. Your
building department, and particularly your gas utility will have very
specific requirements for anything you do. You convenience doesn't
even make it into the requirements footnotes. You may not be able to
snake a line under the house and not have it supported. They may
prefer to see it buried. Pick up the phone and call the utility.

R

Posted by Tom Cular on January 28, 2009, 6:20 pm

As Rico and others have mentioned, check with your local code official, most
utility companies don't care what you do beyond their meter as long as the
code official is happy. We've installed several hundreds of feet of flex gas
tubing above ceilings for school renovations (science labs) in one
jurisdiction and hard piping with welded connections were required in
another. Ask your local code official, "right or wrong" they make the
decision regardless of the code. It's not worth fighting them if they want
hard pipe.

Tom

> AABob wrote:

>> My house is being renovated. Got rid of the oil and switching to
>> gas. Half the house has a crawl space, the other half is on grade
>> (with 10" floor joists). A new gas line will be run from the
>> street. The question is where to put the gas meter. My contractor
>> wants to put it near the side of the house adjacent to the crawl
>> space. Makes sense, but it would be unsightly. I want to put it out
>> of sight, which means near the side of the house without a crawl
>> space. This would entail running the gas pipe under the floor of the
>> house for about 29' until it reaches the crawl space. The contractor
>> doesn't want to do this because he doesn't want to end up with any
>> unaccessible gas pipe joints (i.e., burried under the finished
>> floor).
>> Question: is there some sort of code compliant gas pipe that's very
>> long (and flexible and comes on a spool), that could span the distance
>> I need without having to join multiple sections? How can I solve this
>> problem?

> Another poster mentioned gas line made from corrugated stainless and
> covered with yellow polyethylene - one such product is Gastite. Your
> building department, and particularly your gas utility will have very
> specific requirements for anything you do. You convenience doesn't
> even make it into the requirements footnotes. You may not be able to
> snake a line under the house and not have it supported. They may
> prefer to see it buried. Pick up the phone and call the utility.
> R

Posted by jamesgangnc on January 28, 2009, 9:44 pm

These guys are right about the inspector. What he wants is a big factor.
The stainless steel flex probabaly will need to be supported with something
to pass code rather than just laying on the ground. So you need to install
it before you put down the floor.

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Gas Pipe - how long can I go? - Page 2