399 Binney Street, a building featuring office and lab space totaling approximately 172,500 SF, is part of the existing nine-building One Kendall Square office and retail campus. The building was constructed with long span composite Truss Girders with shallow steel beams and steel braced frames. It is founded on spread footings with a double height basement. Ground-floor retail space is located along 399 Binney Street fronting the existing pedestrian plaza leading to the Kendall Square Theater. A second public courtyard was created along Cardinal Medeiros Avenue. Additional open space is provided for 399 Binney Street occupants by the green roof deck. Parking is accommodated in the existing One Kendall Square garage.