The turrets were mounted in superfiring pairs fore and aft of the main superstructure. The launcher is located amidships, behind the forward superstructure. The auxiliary lift is located aft of the island superstructure. A small starboard island superstructure was also installed. All four hit the starboard side of the forward superstructure. The flight deck was a light superstructure sheathed in wood. Their secondary armament consisted of sixteen BL Mark VII guns positioned in the superstructure. Army engineers dismantled the damaged superstructure and decks, which were then dumped at sea. There are also indirect impacts such as shoreline construction of superstructure and infrastructure. There is usually a stone core below a timber superstructure. Erection of the superstructure and steel fabrication were contracted to The Phoenix Bridge Company. It has a brick superstructure and a stone base. The bridge and after superstructure were lowered. There was an important public building opposite to the warehouse whose superstructure has completely disappeared. The fifth mount was positioned on top of the rear superstructure.