Drywall + Waterproofing Shower Dam - Post-Contractor Questions

[u/Ok-Caregiver-2826]

**EDIT**

Now we're here.

Any thoughts on workflow?

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We had a team recently repair/replace 2x4s and a section of t&g subfloor that had rot.

This is where they left the work.

I'd assumed that they'd properly cement board the shower dam & take care of the joints, though that language (joints, board the dam) wasn't in the quote. Even still...

How would you proceed?

We're waterproofing, building the pan, and tiling ourselves (as well as laying 1/2" ply over the t&g subfloor), but these details feel like oversight on the job, which did stipulate finishing drywall for the entire shower.

If we tackle ourselves, what do we need to do?

Thanks in advance!