Went ahead and did the 1/4" roundover around the hatch openings. I like that much better than the 1/8". Didn't snap a pic though.
Flipped the deck over and bonded in some doubler plates. This one is for one of them fancy retractable deck cleats and the trolling motor mount. The kick out is mainly from the shape of the scrap plywood I had, but it works out because the trolling motor mount needs that. Also added another between the 2 hatches for a pedestal seat mount. I don't know if I'll use it, but I wanted to put one in.
Mostly worked on the aft deck supports today.
Here you can see how the inital center support will work out.
I wanted to mount the battery on the starboard side to counteract the livewell weight, but the clearance just isn't there. Looks like this is my best option. This is for the cranking/house battery which will be a Dakota Lithium 60AH/1000CCA dual purpose battery. In the photos are the 100AH deep cycle lithium I got for the trolling motor. Plenty of juice on this boat!
So the plywood false frame idea fell thru because the best place for it clashed with my overflow on the livewell. Had I not already drilled the holes I would have went forward with that. Oh well. What I did come up with is using the supports I already had to add additional cleating underneath to support the frame as well. My biggest fear was only the deck being supported and the hatch gutters breaking free. I added a lip to the underside of both the aft span and the center support as well as glued in another cleat on the aft end of Frame D. This gives the hatch gutters themselves some support and can share the load a little better.
And now I can sit the hatch frame in place with no clamps to get things flush. I'm happy with this.
And now getting it all overcoated in preparation for prime and paint. Gonna put the first coat of primer down tomorrow.