No. 90-16495

975 F.2d 611 141 L.R.R.M. (BNA) 2326 , 61 USLW 2220 , 123 Lab.Cas. P 10,363 UNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES OF The PLUMBING & PIPEFITTING INDUSTRY, STEAMFITTERS and REFRIGERATION UNION, LOCAL 342; AFL-CIO; U.A. Local No. 159, 342, 343 and 444 Combined Pension Trust Fund; U.A. Local No. 159, 342, 343 and 444 Combined Health and Welfare Trust Fund; and U.A. Local No. 342 Journeymen and Apprentice Training Trust Fund and Doyle Williams, Plaintiffs-Appellants, v. VALLEY ENGINEERS; Vulcan Construction & Maintenance, Inc.; Thomas R. Flynn, Defendants-Appellees. No. 90-16495. United States Court of Appeals, Ninth Circuit. Argued and Submitted Nov. 6, 1991. Decided Sept. 15, 1992. As Amended Oct. 16, 1992. John L. Anderson, Maxine Auerbach, Neyhart, Anderson, Reilly & Freitas, San Francisco, Cal., for plaintiffs-appellants. Charles S. Birenbaum, Scott L. Gardner, Thelen, Marrin, Johnson & Bridges, San Francisco, Cal., for defendants-appellees Valley Engineers and Thomas R. Flynn. Michael J. Hogan, Spencer H. Hipp, Littler, Mendelson, Fastiff & Tichy, Fresno, Cal., for defendant-appellee Vulcan Construction & Maintenance. Appeal from the United…