 The 32-story proposal, with setbacks at the 10th, 13th, 17th, and 19th floors, was ultimately deemed the most efficient.The blueprints for the 32-story proposal were submitted to the New York City Department of Buildings in June 1923.Foundation work began on June 20, 1923, and since the site was mostly artificial fill with riprap buttressing, water from the Hudson River sometimes leaked through to the foundation.