High-Rise Design and Construction: Then, Now, and Next
March 16, 2026 —
Aarni Heiskanen - AEC BusinessThe Empire State Building was built in 14 months. Since 2010, the average completion time for a 200-meter-plus building has increased from
4.3 to 5.8 years. Buildings have become more complex, and there's more regulation than in the 1930s. Still, there are ways to make high-rise construction more efficient.
An Unlikely Benchmark From 1930
When construction began on the Empire State Building on March 17, 1930, the world was in the midst of the Great Depression. That turned out to be an advantage. Contractors Starrett Brothers & Eken had access to a vast, motivated workforce, peaking at 3,439 workers on a single day in August 1930.
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Aarni Heiskanen, AEC BusinessMr. Heiskanen may be contacted at
aec-business@aepartners.fi