San Francisco: Notre Dame des Victoires: Section drawing at towers

In order to meet accessibiltiy requirements, a new elevator and shaft was inserted behind the south shear wall and below the east tower, where it both creates a short path of access and the least impact on the  historic fabric. The toweres were reinforced with steel columns and concrete diaphragms, not noticeable from the exterior.
Section drawing at towers

In order to meet accessibiltiy requirements, a new elevator and shaft was inserted behind the south shear wall and below the east tower, where it both creates a short path of access and the least impact on the historic fabric. The toweres were reinforced with steel columns and concrete diaphragms, not noticeable from the exterior.