There's a building with groups E, B and I4. The E wants to expand into some of the B space. Fully sprinkled, IIB,1-story, I'm using 2015 IBC and 2015 IEBC. In IEBC 1012.5.1.1, they'd meet the 1st and 3rd condition, but I'm not certain I'm understanding the interpretation of #2 to know it's...