Steve , not to be rude but .....seeing that there are no rounded edges and everything is already tabbed in .......... could you possibably show pics of those bulkheads fully encapsulated ...... and how they might look when done ?
The Bulkheads go in pieces and glassed to the hull after it is capped with screws only that way when it goes down for good there is NO stress or Print at the Bulkhead Hull junction which I was going to address down the road.
Two all up vacuum bagged Airex PP Race Boats the "C" Boat had a sliding fuel tank to keep the CG in place as the gas was burned off,It is a pleasure boat now as with the "B" Boat cool times then at Danny's place.