Boston Properties and Hines have broken ground on the Transbay Transit Tower in San Francisco, US, designed by Pelli Clarke Pelli Architects.
After completion, the 1,070ft, 60-storey Transbay Transit Tower will be the tallest tower in San Francisco, overtaking the Transamerica Pyramid, and the seventh tallest tower in the US.
The tower will feature 1.35 million ft² of office space including a residential component and a half-acre public plaza.
The skin of the building will be covered by glass with lattice-like metal which would be narrowed to the curved corners to create a soft profile.
Pelli Clarke said the walls of the tower will rise past the top floor to form a transparent crown, which will make the structure look like its ‘dissolving’ into the sky.
The tower will link directly to Transbay Transit Center, which is also designed by Pelli Clarke Pelli Architects, to feature 11 bay area transit systems.
Plans also include a 5.4-acre public park, which will be built on top of the Transit Center connecting directly to the tower.
Pelli Clarke Pelli Architects senior principal Fred Clarke said the Transbay Transit Tower and Transbay Transit Center are designed with a common civic purpose to create a 21st century gateway to San Francisco and a landmark on the city’s skyline.
"Embodying sustainable, transit-based development, the tower combined with the transit center is a model for the future of our cities," Clarke said.
Transbay Transit Center is expected to achieve LEED Gold certification from the US Green Building Council.
Hines senior managing director Paul Paradis said the tower will set a new standard for healthy and productive work environments.
Construction of the tower is due to start in summer 2013 and is expected to be completed in 2016.
Image: Upon completion, the 60-storey Transbay Transit Tower will be seventh tallest in the US. Photo: Pelli Clarke Pelli Architects.