Crews working around the clock for 17 days have cut the size of the debris pile from four or five stories to nearly ground level, with some at below-ground level.
Investigators have not determined what caused the Champlain Towers South to fall apart without warning.
Attention has been focused on a 2018 engineering report that warned of structural deficiencies.
Following the collapse residents of a nearby condominium, Crestview Towers, were told to leave after engineers found serious concrete and electrical problems. They have not been allowed to return as city officials try to determine if the building can be stabilized.