How much drop for closet ell plus 12' branch?
Posted by Rick on April 13, 19101 at 09:23:15:

Question for folks familiar with PVC closet fittings: Will 2x10 joists provide enough drop to place a toilet
12' from a girder that must be passed over (joists sit on top of girder)? Drain line is 3" schedule 40.
Subfloor is 3/4" ply. Floor is tile on cement board.

The pipe itself requires 3-1/2" (O.D.) plus 3" (1/4" per foot) equals 6-1/2" of drop. That leaves 3" below
the subfloor for the closet ell. Is this enough?


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