This was a substantial refurbishment of a 1930's office building in the heart of the city. Three existing lightwells were infilled over the full height and the building completely re-cored. The upper two floors were demolished and three floors added to the structure. Five existing internal columns linked into transfer structures were removed over the height of the building to create clean column-free floor plates. Substantial openings were formed within beam downstands throughout the building to move all servicing within this zone and maximize floor to ceiling heights. Significant opening up works were undertaken within this fully occupied building to mitigate risk and establish the feasibility of this complicated scheme for which no archive drawings were held. Foundation, geotechnical and steel materials testing has proved the existing structure cable of carrying much higher loads than previously permitted. Modeling the building in 3D Revit allowed critical sequencing operations connected to the transfer structures to be included within tender documents.
Client: F & C ReitArchitect: Buckley Gray Yeoman