|Posted by ED on March 23, 2004 at 21:04:20:|
|In response to Re: rough in work for a shower|
Deb's advice is always sound advice.
You should check with a local plumber or local code expert (or manual).
The idea with a couple of 45s is to get a "sweeping motion" for your drain. There are also long sweep 90 degree elbows. But if you can glue a short piece of PVC between the 45s and reshape the sweep to flow wider that would be better.
Do you know if the drain under your rough-in is a three inch pipe? Some codes permit 6 feet from trap to vent with two inch pipe. Others permit 10 feet with 3 inch pipe but the exception is the toilet. Usually that's limited to 6 feet (from flange to vent).
Vents are normally sized a minimum of one-half the diameter of the drain pipe. For example, with a three inch drain (pipe) you could have a 1 1/2 inch vent under some codes. Best to check it out locally.
: : 1) Do I assume that there is a trap for the shower? Or do I have to add one?
: : 2) I would like to move the the position of the shower drain, 3 feet and 90 degrees away from where the horizontal stub is now. Is is ok to add a 90 degree tutn to the drain pipe for the shower?
: : 3) Is one vent pipe (1.5 inches) enough for the shower, sink, and toilet? They are all on the same wall, all within 10 feet of each other
: The shower does not have a p-trap. Depending on what code you are under, moving the shower 3' may well put your trap too far away from your vent. UPC limits the distance from the trap to the vent to 5' (2" drainage line). I would not use a 90. I would use 2 45s if you decide to move.
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