BUILDING

Capitalize only in a proper name, no quotation marks:

            Empire State Building

            Plaza Center

    but  Plaza building

National Geographic buildings are handled as follows:

            Hubbard Memorial Hall

            16th Street Building

            Melville Bell Grosvenor Building (official name for the 17th Street Building), headquarters building

            M Street Building

            Gilbert H. Grosvenor Auditorium

When comparing heights to number of stories or floors in a typical building, use an average of 10 feet per story/floor:

            A 600-foot drop is equivalent to a 60-story building