Thanks for the feedback. I met with the owners and am happy to report that they have agreed with everything that I presented, although the leveling of the tub will not be addressed. Thanks again for confirming my suspicions on the contractor's efforts.
Hired one of those "bath in a day type" outfits to replace our existing bathtub/shower on a 90+ year old bungalow. The general contractor (GC) left the work to be completed late in the day by two other workers knowing that they still needed to come back later to complete the installation (80%...