COMMONWEALTH OF PENN. v. INT'L U. OF OPT. ENG

John J. McAleese, Jr., Thomas J. McGoldrick (argued), D. Richard Powell, Jr., Luis A. Minella, Cuniff, Bray McAleese, Bala Cynwyd, Pa., for appellants Glasgow, Inc., and Contractors Ass'n of Eastern Pennsylvania, et al. Martin Wald (argued) and Nicholas N. Price, Schnader, Harrison, Segal Lewis, Philadelphia, Pa., for appellant and appellee United Engineers Constructors Inc. Robert W. Kopp (argued), Raymond W. Murray, Jr., David M. Pellow, Bond, Schoeneck King, Syracuse, N. Y., for appellant and appellee Bechtel Power Corp. John G. Kester (argued) and John J. Buckley, Jr., Williams Connolly, Washington, D.C., for appellant General Building Contractors Ass'n. Harold I. Goodman (argued) and Germaine Ingram, Community Legal Services, Inc., Philadelphia, Pa., for Individually named and class appellees. Joel M. Ressler, Louis J. Rovelli, Margaret Hunting, Deputy Attys. Gen., LeRoy S. Zimmerman, Atty. Gen., Dept. of Justice, Harrisburg, Pa., for appellee Commonwealth of Pennsylvania. LeRoy D. Clark, Gen. Counsel, Constance L. Dupre, Acting Associate Gen. Counsel, Vincent Blackwood and Kenneth J. Burchfiel, Attys., Equal Employment Opportunity Commission, Washington, D.C., amicus curiae for EEOC.