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About eric maxon
Expertise
I am an expert in plumbing, heating, drainage, sprinklers, hot water heating systems and all phases of plumbing work.Including new construction, repair, remodeling

Experience
I have been a lic. contactor for 21 years and been in the plumbing business my entire life.My father is also a plumber.Between the both of us we have 'seen it all'

Master plumberMaster gas fitterBackflow techniciancertified in installation and repair of wardflex, titeflex, and wirsbo piping systems

http://www.stewardsplumbing.com/web
 
   

You are here:  Experts > Home/Garden > Home Improvement/Repair > Plumbing in the Home > Waste line code/method

Plumbing in the Home - Waste line code/method


Expert: eric maxon - 6/28/2004

Question
Hi:  Thanks for getting back to me.  I'm attaching some photos of the wall etc.  Please review the updated question that follows.  It may make more sense.

I have a small bathroom with tub,
toilet and sink. It is still in the rough stage.  The
vents for the tub and toilet are each  2" ABS.  On the
right of those fixtures on the same wall is the sink.
The sink drain must be "wet vented" since it does not
have it's own connection to the ABS waste. The height
of the sink 2" "wet vent (arm)" is determined by the
code requirements for 'P' trap height and the wet arm
will have to travel left 2' + - to join the 2" toilet
vent in the same wall and drain/vent through the
toilet vent.  From that same junction, the 2" vent
will travel left 2' + - to the 2" tub vent in the same
wall where it then goes up and vents through the roof.
Question:  If you can picture my project, what are
the fitting types, drain slope and height
(horizontal/verticle) requirements of the
pipe/vent/etc. throughout the above system including
the toilet-to-tub vent pipe connection etc.  I assume
that the horizontal connection between the toilet and
tub vents has to be higher then the "wet vent" so the
sink waste drains only into the toilet vent pipe.
This whole scene is also complicated by a window that
is 1' + - above the horizontal vent sections. The photos show a wall that is approx. 7'-8' wide.  Hopefully, you can get good perspective from the views. Your thoughts are much
appreciated.  Thanks, Larry

Whoops: I guess I have to send the photo's independently to your email address so you will have to access that separately, Sorry.

plumber@stewardsplumbing.com

Answer
Larry

  O.K.  Thanks for the pictures, and info.  If I understand your question, here is the answer (if you need more info please write again)

to connect the basin you will need
   1 - 2" sant. tee
   1 - 2" med sweep 1/4 bend
   1 - 2 x 1 1/2 bushing

to connect the tub to wc
   2 - 2" med sweep 1/4 bend

your piping to connect the wc and tub need to be run atleast 6" higher then the highest flood rim of the fixture

your connection to the lav can be below that connection

Eric

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