address: 433 W VAN BUREN ST
description_raw: SELF CERT: SELECTIVE STRUCTURAL AND NON-STRUCTURAL DEMOLITION WITHIN AN EXISTING CONCRETE AND STEEL FRAMED BUILDING.  A NEW SLAB OPENING IN TWO EXISTING STRUCTURAL BAYS WILL BE CREATED TO ALLOW THE FUTURE INSTALLATION OF A STAIRWAY CONNECTING THREE OFFICE LEVELS.  STEEL BEAMS, GIRDERS, AND CONCRETE DECK WILL BE REMOVED.  NON-STRUCTURAL MASONRY WINGWALLS ADJACENT TO EXISTING CONCRETE ENCASED COLUMNS WILL ALSO BE DEMOLISHED.