John Dirks Jr Posted July 13, 2008 Report Share Posted July 13, 2008 My guess is they went with an incorrect TY for this toilet so they could get the pipe to go over the girder. It looks like utilizing the correct Y fitting would make the pipe unable to go above the girder. The sink drain is also a T. Does anyone have any other thoughts on this? Image Insert: 101.56 KB Image Insert: 110.63 KB Link to comment Share on other sites More sharing options...
StevenT Posted July 14, 2008 Report Share Posted July 14, 2008 Why do you say it is an incorrect TY? Unless it's just the angle of the picture. The T on the sink should be a TY, and perhaps more important, where is the vent for the toilet? Link to comment Share on other sites More sharing options...
John Dirks Jr Posted July 14, 2008 Author Report Share Posted July 14, 2008 It is a TY. Sorry about the bad picture angle. You can see the flare flush with the sub floor right? It's at a 90 degree angle to the other fitting flares. Link to comment Share on other sites More sharing options...
fqp25 Posted July 14, 2008 Report Share Posted July 14, 2008 I've never heard of a "TY" before. Do you mean Sanitary Tee, or Wye-45 Combo? When I see TY I think Beanie Babies. Frank Link to comment Share on other sites More sharing options...
StevenT Posted July 14, 2008 Report Share Posted July 14, 2008 The T in the picture looks directional, thus a sanitary T. I may stand to be corrected, but I believe that is fine. Once again, where is the vent? It should be within 2 feet of the floor flange. And yes, Ty is a Beanie Baby. Link to comment Share on other sites More sharing options...
Richard Moore Posted July 14, 2008 Report Share Posted July 14, 2008 Steven, where are you getting that 2 feet? UPC has the maximum length of the trap arm (flange to vent) for a WC at 6' and the IRC has it as "shall not be limited". UPC and IRC allow a sanitary tee to be used only for horizontal to vertical connections, and not on it's back like that (vertical to horizontal). Both "tees" should be a wye or a combo. John D, Jr...both are wrong, as you called it. Presumably, both could lead to easier clogging. Unfortunately, my "knowledge" of hydrodynamics and waterborne solids leads me to having no idea how much easier or the severity of the problem. But...wrong is wrong. Link to comment Share on other sites More sharing options...
John Dirks Jr Posted July 14, 2008 Author Report Share Posted July 14, 2008 Richard, you have it written backwards, I think. Don't you mean that sanaitary T's are only allowed from horizontal to vertical? Link to comment Share on other sites More sharing options...
Richard Moore Posted July 14, 2008 Report Share Posted July 14, 2008 Yep...my bad. Thanks. I had the second half of the sentence right and it's obviously nonsense the way I wrote it. [:-ashamed Editing... Link to comment Share on other sites More sharing options...
StevenT Posted July 16, 2008 Report Share Posted July 16, 2008 Richard, You're right about not believing everything you think. I wasn't sure about the sanitary tee being ok, after checking NYC code, I agree, it is not. NYC code calls for max 48" to vent. I was thinking 24" because somewhere in my head it got mixed up with max distance to a trap. Link to comment Share on other sites More sharing options...
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