The beds are simply glassed to the hull with the exception of the forward six inches of the inboard bed. That bed is 75% on the hull and the forward part is glassed to an existing plywood shelf that was installed by Sabre. It is all pretty solid!
Yes, I can get to the generator from both above and in front. It is more accessible than I thought it might be when I was in the planning stages. I do have to get in some interesting positions for some of it but it all works out.