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Posted by Zoli on December 10, 2006, 5:19 pm
Thanks Jim,
The copper is the soil stack. You're right.
I won't use the heel-inlet.
The vent will be about 3 feet above the lowest fixture.
What do you think about cutting out the lower part of the copper vent
(about 5 feet) and replace that with abs? In this case I don't need to
cut the copper again for the vent tee or wye.
Thanks again
Zoli
Speedy Jim wrote:
> Zoli wrote:
>
> > Thanks very much Jim for the quick answer.
> >
> > I will put a separate vent for sink and shower.
> >
> > How heavy is the copper vent? Can I use riser clamps to support that
> > pipe? One is enough? If I took out the 90 elbow would the copper vent
> > remain in place? Can I find a 3''x4'' 90 elbow?
>
> I assume that copper is a soil stack, not merely a a vent.
>
> Use a Proflex coupling:
> http://www.fernco.com/proflex.asp
> 3001-43 4" CI, PL. or ST. to 3" Copper CK-43
> to connect 4" ABS pipe to Cu
> or you can get an ABS 4 X 3 EL
> and use a CK-33.
>
> The weight is (roughly) 2 lbs per foot length for 3" Cu.
> Install riser clamps before cutting .
>
>
>
> >
> > For laundry I'll put a 1 1/2'' vent through ceiling studs and connect
> > to the bath vent.
> >
> > For the vent I will put in a wye into the copper vent.
> Or a San TEE turned up. But note my comment about not
> connecting into the soil stack below existing fixtures.
> >
> > First I taught that I would put this type of fitting for the toilet:
> > http://i10.tinypic.com/34zkgms.jpg
> >
> > It has a 2'' inlet. The shower and sink would flow in there. What do
> > you think?
> That's a heel-inlet. I don;t like them and probably prohibited.
> >
> > The bottom of the copper vent has a cleanout.
> Sorry, I missed that.
>
> <disclaimer>
> Don't know where you live or if it's important,
> but most cities will require a permit. In that case,
> it's vital to review your plans with the inspector first.
> >
> > Thanks
> > Zoli
> >
> > Speedy Jim wrote:
> >
> >>Zoli wrote:
> >>
> >>
> >>>Hi,
> >>>
> >>>I would like to build a bathroom in my basement.
> >>>
> >>>I have a 3 inch copper vent (main stack), it's connected to a 3 inch
> >>>clay pipe (outside diameter is 4 inch) and this flows into a 4 inch
> >>>clay pipe (outside diameter is 5 inch)
> >>>
> >>>I have some pics:
> >>>http://i11.tinypic.com/4h83zb6.jpg
> >>>http://i10.tinypic.com/2e1dbg0.jpg
> >>>I also have a plan how to create the bathroom:
> >>>http://i14.tinypic.com/2d6tjie.jpg
> >>>
> >>>What do you think is this in accordance with the plumbing code?
> >>>
> >>>I would like to cut out a portion of the clay and add 4 inch abs and 2
> >>>wye fittings.
> >>>Is it worth changing the whole clay pipe (where the concrete is broken)
> >>>or only a small portion which is necessary to add the new wye fittings?
> >>>
> >>>Thank you
> >>>
> >>
> >> Lots o' ways to skin a cat, but from a glance:
> >>
> >> Run the ABS from the clay all the way to the bottom
> >>of the Cu stack. Support the stack before cutting;
> >>it will be "heavy". I would put the C.O. at the
> >>bottom of the Cu stack; I don't think you need
> >>one in the bath.,
> >>
> >> Run the new ABS branch as 3" all the way
> >>into the new bath wall to pick up the 2 sinks
> >>and the shower.
> >>
> >> The bath sink trap should have its own vent
> >>connection.
> >>
> >> The TEE into the Cu stack must be turned "up".
> >> Further, the existing soil stack can NOT be used
> >> as a vent unless the vent connection is made *above*
> >> the highest fixture (upstairs). I would snake
> >> a 2" ABS vent (maybe 1 1/2") up thru the wall space
> >> to reach a place to tie in.
> >>
> >> You may be required to vent the shower drain separately.
> >>
> >> How will you provide venting for the laundry fixture(s)?
> >>
> >>Jim
> >
> >
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