TY oops

[John Dirks Jr]

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?

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[StevenT]

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?

[John Dirks Jr]

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.

[fqp25]

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

[StevenT]

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.

[Richard Moore]

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.

[John Dirks Jr]

Richard, you have it written backwards, I think. Don't you mean that sanaitary T's are only allowed from horizontal to vertical?

[Richard Moore]

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...

[StevenT]

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.