square feet assembly seating for 18,000 people 4,192 seat floor plans. with nearly 150,000 sq. ft., the schaumburg convention center offers an impressive selection of first-class, flexible event space near chicago., convention hall plan dwg, convention hall plan dwg, convention hall standard size, convention hall design standards, mccormick place south building. ludwig mies van der rohe. convention hall project, chicago, il (floor plan). 1953. ink on illustration board with foil. 30 x 40" (76