I went ahead and primed the lower half of the bulkhead since it will be below the floor. Also, I had to grind down my #30 dimple die in order to get it to fit into the step ribs. Other than that all went well. Now ready to flip it over and start on the bottom skin and corners.
Prepped and assembled the step ribs to the bulkhead
Went ahead and primed the lower half of the bulkhead, since it will be below the floor