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PLUMBING: Reroute Vent Pipe. ABS?

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PLUMBING: Reroute Vent Pipe. ABS? Devin Dow 04-22-2007
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Posted by Devin Dow on April 22, 2007, 1:02 pm


I must reroute my venting pipe slightly for my kitchen remodel.
It will be challenging removing the old iron pipe. I assume I will have
to cut them to get them out because I can not turn elbows that are
against a wall, right? I will try to do this with a Sawz-All.

QUESTION: Can I use Black ABS when I reinstall? I would have the same
problem turning elbows to install them. How do I make the connections
between existing iron pipe and new ABS?

Additional Details: The sink is on a peninsula that has a bar about a
foot higher than the sink. The vent pipe goes up from the drain to the
height of the bar and across the bar then up and out the roof. My
remodel requires the bar to be removede and the new height available
behind the sink is now only sink-height. I hear code says that no turn
should be made until 6 inches above sink height when possible... I will
be making a turn to horizontal at near sink heigh the up to the roof.

Devin Dow
DevinDow@sbcglobal.net

AppliancePartsPros.com, Inc.
Posted by Speedy Jim on April 22, 2007, 1:46 pm


Devin Dow wrote:

> I must reroute my venting pipe slightly for my kitchen remodel.
> It will be challenging removing the old iron pipe. I assume I will have
> to cut them to get them out because I can not turn elbows that are
> against a wall, right? I will try to do this with a Sawz-All.
>
> QUESTION: Can I use Black ABS when I reinstall? I would have the same
> problem turning elbows to install them. How do I make the connections
> between existing iron pipe and new ABS?
>
> Additional Details: The sink is on a peninsula that has a bar about a
> foot higher than the sink. The vent pipe goes up from the drain to the
> height of the bar and across the bar then up and out the roof. My
> remodel requires the bar to be removede and the new height available
> behind the sink is now only sink-height. I hear code says that no turn
> should be made until 6 inches above sink height when possible... I will
> be making a turn to horizontal at near sink heigh the up to the roof.
>
> Devin Dow
> DevinDow@sbcglobal.net


All your questions need to be asked at the City Bldg Dep't
if you will need a permit.

Yes, Sawzall.
ABS, if permitted, OK. No need to "turn" any fittings,
just slip on.
Connect ABS to old galv iron with a Fernco.
http://www.fernco.com/




http://www.codecheck.com/pg13_14plumbing.html
scroll half way down to see "Island" venting
and/or mechanical venting arrangements.
(The usual caveats apply)


Jim

Posted by Steve Barker on April 22, 2007, 8:33 pm


PVC is a lot cheaper and IS marked DWV. Perfectly fine to use for a vent.

--
Steve Barker




>I must reroute my venting pipe slightly for my kitchen remodel.
> It will be challenging removing the old iron pipe. I assume I will have
> to cut them to get them out because I can not turn elbows that are against
> a wall, right? I will try to do this with a Sawz-All.
>
> QUESTION: Can I use Black ABS when I reinstall? I would have the same
> problem turning elbows to install them. How do I make the connections
> between existing iron pipe and new ABS?
>
> Additional Details: The sink is on a peninsula that has a bar about a foot
> higher than the sink. The vent pipe goes up from the drain to the height
> of the bar and across the bar then up and out the roof. My remodel
> requires the bar to be removede and the new height available behind the
> sink is now only sink-height. I hear code says that no turn should be
> made until 6 inches above sink height when possible... I will be making a
> turn to horizontal at near sink heigh the up to the roof.
>
> Devin Dow
> DevinDow@sbcglobal.net



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