So the contractors will be hanging around a few more days, and a few hundred more dollars will need to be invested in the old homestead. There are worse outcomes in life, are there not?
And tearing a few extra holes in the ceiling would still have been cheaper than relocating all the water lines and drain lines for the new shower, especially given the price of copper these days. Running new lines from the basement would easily have been an extra thousand dollars or more, not to mention the extra hours of pounding, sawing, and other renovation-related noises.