A fore and aft plate sited at the turn of the bilge .The upper edge is normally flanged to allow connection to the tank top plating, while the opposite end is secured to the inside of the shell plate by an angle-bar connection.
It provides an end seal to the double bottom tanks, having all the floors joining at right-angles, up to the collision bulkhead.
Marine Salvage Specialized Techniques Construction methods can differ significantly from land-based projects. Techniques like dredging, pile driving, and using floating equipment are often employed.
Additional diagrams should be provided for better understanding !!