
    (No. 6478
    The Perkins & Will Partnership, An Illinois Corporation, Claimant, vs. State of Illinois, Department of Mental Health, Respondent.
    
      Opinion filed September 22, 1972.
    
    William J. Hurley, Attorney for Claimant.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  