Hi There,

My wife and I are redoing our upstairs bathroom due to several mistakes made by the prior owners. The most major of which was cutting two floor joists in half in order to perform a plumbing repair:
!

Here's a horrible drawing of the bathroom layout and the plumbing the way that it was:


Pink = Fixtures, with the toilet being in the far corner
Blue = joists
Red = existing drain lines
Green = cut joists

So the 5 million dollar question is how does one get the drain pipe from the tub end of the bathroom to the toilet drain?

Thanks so much,
Gil
Sistering joists in steamy CT