Building survey is documenting an existing, old building by using scientific tools and methods. It is the first method that applied to the old, undocumented buildings when any alterations, additions or restorations needed.

Restoration, is repairing a building without changing its originality. Alterations, includes all  changes, that will be done to an existing building. All these projects are designed and prepared meticulously, without damaging buildings aesthetics, strength and functionality