RIP even though he was not my cuppa.
I did see him with Ringo's All Starr Band and I have to admit that I went to the loo on purpose when his "All By Myself" was highlighted.
I also did the same for "Yellow Submarine".
That's a bad bead James.
My studio is a nicely converted garage that has (behind retractable doors) a washer and a dryer. My biggest fear is the water lines fail/burst one day and spew out at the doors which are more decorative that protective. It may not be as bad as you had but it could be fairly serious.
Your disaster makes me think I want to put my drums and my guitar racks on risers.