Re: can pipe be vent & drain?
Posted by hj on June 29, 2002 at 10:07:10:
In response to Re: can pipe be vent & drain?
If the piping is arranged properly, and we cannot tell if it is from your description, then it could be a proper installation. But it does not take much of to change from a proper installation to an improper one. All it takes is for your toilet or tub to be piped in a way that you have not included in your description. Are you trying to eliminate a toilet vent out the roof, for example?

: we are remolding a second story bathroom with access to the pipes in the joist from the first floor (ceiling on first floor has been removed). The toilet sits over the 3" drain with two 2" pipes running from the 3" drain, the first to the sink (6.5' away) which has a 2" studor vent and the second to the tub and shower (3' away)which has a 2" vent to the rooftop. My question is can a portion (30") of the tub/shower drain be considered both a drain as well as the vent line for the toilet? If not I can tie in the tub/shower drain to the sink line, but I would rather not use the hole saw on the joists unless I need too. Thanks.

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