5 world trade center (5 wtc) was expected to be designed for residential or mixed use in the original master plan for the complex by daniel libeskind. the building was to have a height limit of no more than and up to of floor space. negotiations over the world trade center site concluded in april 2006, with private developer larry silverstein yielding his right to develop on the site designated for one world trade center along with 5 world trade center to the port authority of new york and new jersey in exchange for assistance in financing towers 2, 3, and 4.