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Means of egress

What is the minimum percentage of the number and capacity of the exit enclosures for a building that must connect to the public way without intervening spaces?
A. 20%, B. 35%, C. 40%, D. 50%, E. 60%

D. 50% is correct.
Exit discharge can pass through intervening spaces (such as with a fully-sprinklered lobby) for up to 50% of the number and capacity of exits.
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