on may 11, 2009, it was announced that the port authority was proposing to cancel the construction of 5 world trade center altogether as part of an overall plan to halve the amount of office space available in the fully reconstructed world trade center to . the agency, citing the recession and disagreements with developer larry silverstein, also proposed the reduction of 200 greenwich street and 175 greenwich street to "stump" buildings of approximately four-stories. it was proposed in july 2009 to move the planned construction site for the performing arts center to the 130 liberty street location, but these plans were later rejected. the performing arts center was planned to be constructed near the center of the world trade center site as part of the national september 11 memorial & museum. at that location, construction would not begin until 2015. the proposal did not specify whether the performing arts center would occupy the entire site, thereby ending plans for 5 world trade center, or if the center would become integrated into a new mixed-use skyscraper on the site.