I'm not sure about the construction of this building in particular -- but generally speaking you support the building from an alternative location under it, then you can lift it off the foundation.

https://i.pinimg.com/736x/93/cd/bb/93cdbbe7117f16e89c74e4909...

break through at several strategic points where the building meets the foundation and place hydraulic jacks in the voids. Once enough jacks are in place and lifted, _they_ now serve as the support; the remaining parts of the building can be removed/disconnected from the original foundation.