Final answer:
The requirement to maintain the integrity of the means of egress is that the corridor width should not be obstructed by wall projections greater than 6 feet.
Step-by-step explanation:
The requirement to maintain the integrity of the means of egress is that the corridor width should not be obstructed by wall projections greater than 6 feet. This ensures that there is enough space for people to safely evacuate a building in case of an emergency.