Headquarters of the United Nations However, the UN did reject an unusual "model playground" proposal for that site, instead choosing to construct a play area similar to others found around New York City. The first 450 UN employees started working at the Secretariat Building on August 22, 1950. The United Nations officially moved into the Secretariat Building on January 8, 1951, by which time 3,300 employees occupied the building. At the time, much of the Secretariat Building was still unfinished, and the bulk of the UN's operations still remained at Lake Success. A centralized phone-communications system, was built to facilitate communications within the complex. The
Headquarters of the United Nations the structure was so narrow. The flag of the United Nations was raised above the first beam as a demonstration for the many spectators who witnessed the first beam's erection. The Secretariat Building was to be completed no later than January 1, 1951, and if the consortium of Fuller, Turner, Slattery, and Walsh exceeded that deadline, they had to pay a minimum penalty of $2,500 per day to the UN. To reduce construction costs, the complex's planners downsized the Secretariat Building from 42 stories to 39 stories. The cornerstone of the headquarters was originally supposed to be laid on April