sentences:  With the decision made to mount the 28 cm gun, the next issue was the arrangement of the guns.Previous designs had carried the 24 cm guns in the superstructure, directly above casemates for the secondary battery guns, but the designers believed the greater muzzle blast effects from the 28 cm guns would make those casemates unworkable.Two solutions were proposed, both of which involved lowering the main battery turrets to the upper deck level.