13 Fair empl.prac.cas. 1625, 14 Fair empl.prac.cas. 1233, 12 Empl. Prac. Dec. P 11,257, 14 Empl. Prac. Dec. P 7502 Marie Manhart v. City of Los Angeles, Department of Water and Power, a Body Corporate and Politic

553 F.2d 581 13 Fair Empl.Prac.Cas. 1625 , 14 Fair Empl.Prac.Cas. 1233 , 12 Empl. Prac. Dec. P 11,257 , 14 Empl. Prac. Dec. P 7502 Marie MANHART et al., Plaintiffs-Appellees, v. CITY OF LOS ANGELES, DEPARTMENT OF WATER AND POWER, a body corporate and politic, et al., Defendants-Appellants. Nos. 75-2729, 75-2807 and 75-2905. United States Court of Appeals, Ninth Circuit. Nov. 23, 1976. As Amended Dec. 23, 1976. Rehearing and Rehearing In Banc Denied April 18, 1977. As Amended May 5, 1977. David J. Oliphant, Deputy City Atty. (argued), Los Angeles, Cal., for defendants-appellants/cross-appellees. David J. Dohrmann (argued), Schwartz, Steinsapir & Dohrmann, Los Angeles, Cal., for plaintiffs-appellees/cross-appellants. Michael Evan Gold and Fred Okrand, ACLU Foundation, Los Angeles, Cal., amicus curiae, for plaintiffs-appellees. Mary-Helen Mautner, Washington, D.C. (Abner W. Sibal, Joseph T. Eddins, Jr., Beatrice Rosenberg, Charles L. Reischel, Washington, D.C., with her on brief) for E.E.O.C., amicus curiae. Before CHAMBERS, DUNIWAY and KILKENNY, Circuit Judges. DUNIWAY, Circuit Judge: 1 The question presented in this case is whether a retirement plan which requires women…