Original designs of the main building were from the mid 1970’s. The principal structure is composed of a seven-story (50,000 ft2, 130 ft height) reinforced concrete frame building with unreinforced hollow masonry wall panels in most external facades. The existence of several cracks in beams of the superior floor levels as well as in some wall panels raised the owner’s interest in contracting some of the members of LCR&A to perform several structural checks of safety. A strengthening design was prepared reinforcing outer facades of the existing building with steel bracing and steel jacketing neighboring columns. The new foundation system was composed of several drilled shafts with special footings to tie with the existing foundation system.