to what extent do you increase the ...

to what extent do you increase the usable square footage of an existing space according to 25 percent when the structural theory supporting it is already loaded to its maximum capacity? This is united of the fundamental questions that A/E Einhorn Yaffee Prescott (EYP) had to address before it could design an adaptive reuse of the fifth floor of the modern York State Education Building, Albany.
Originally designed in 1912 according to Palmer and Hornbostel to house state offices, a library and a museum, the building was abandoned in the mid-1970s when those functions were mov to a recently made known government center.