LEGO 21031, Instructions Manual

Page: 4 / 116

4
Burj Khalifa utilized a record-breaking 430,000 cubic yds. (330,000 m
3
)
of concrete; 42,990 tons (39,000 metric tons) of steel reinforcement;
1.1 million sq. ft. (103,000 m
2
) of glass; and 167,000 sq. ft. (15,500 m
2
) of
embossed stainless steel. The tower took 22 million man-hours to build.
With a total built-up area of 5.67 million sq. ft. (526,000 m
2
), Burj Khalifa
features 1.85 million sq. ft. (170,000 m
2
) of residential space, over 300,000
sq. ft. (28,000 m
2
) of office space, with the remaining area occupied by
a luxury hotel. In 2003, as a result of an international design
competition, Skidmore, Owings & Merrill LLP (SOM) was selected from
a group of five international competitors to carry out the architecture
and engineering of the Burj Khalifa.
With famous architecture in the Haj Terminal at Jeddah Airport and
National Commercial Bank, SOM is no stranger to Middle Eastern
design. SOM incorporated patterns and elements from traditional Islamic
architecture, but the most inspiring muse was a regional desert flower,
the Hymenocallis, whose harmonious structure is one of the organizing
principles of the tower’s design. Three ‘petals’ are arranged in a triangular
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