Well Mike came today and started the refit of Cachalot's bottom.  He soda blasted the entire bottom and found several very small blisters and one spot that needs fairing.  I patched a spot where there was a through hull fitting for the depth sounder.  When he blasted off all the paint the patch needs some cosmetic work.  He will do that tomorrow and put on the first coat of barrier paint.  Thursday will be 3 more coats and the bottom paint will go on Friday.
Here are a few pictures of the work in progress.