I just did this with my 39 footer, and bulb keel. I found one gallon of the 2000e covered the boat bow to stern, and then did 5 coats over a few weeks. The time between coats is up to a few weeks, so just reapplying is fine. No sanding needed. The transition from the 2000e to the first coat of antifouling is the one that matters as to a short time. The yard where I did it told me, finish the coat of 2000e, go to lunch and then in about 3 hours (65 degree day), it was dry and I put on the antifouling.
Then you have days again where no sanding is needed before the next coat of bottom pain.
Sounds like you have done your homework, so it should be something to behold once it is done.