United States of America, Ex Rel., and Local 342 Plumbers and Steamfitters Doyle Williams v. Dan Caputo Co. D.W. Nicholson Corp. Richard R. Rolla Alex Groswird Mary Cooper John Lewis Nicholson Florence L. Johnson, United States of America, Ex Rel., and Local No. 38 Plumbers and Steam-Fitters Lawrence J. Mazzola v. C.W. Roen Construction Bruce A. Roen Jeraldine C. Breault

321 F.3d 926 UNITED STATES of America, ex rel., Plaintiff, and LOCAL 342 PLUMBERS and STEAMFITTERS; Doyle Williams, Plaintiffs-Appellants, v. DAN CAPUTO CO.; D.W. Nicholson Corp.; Richard R. Rolla; Alex Groswird; Mary Cooper; John Lewis Nicholson; Florence L. Johnson, Defendants-Appellees. United States of America, ex rel., Plaintiff, and Local No. 38 Plumbers and Steam-fitters; Lawrence J. Mazzola, Plaintiffs-Appellants, v. C.W. Roen Construction; Bruce A. Roen; Jeraldine C. Breault, Defendants-Appellees. No. 01-17300. No. 02-15187. United States Court of Appeals, Ninth Circuit. Argued and Submitted January 13, 2003. Filed March 5, 2003. John J. Davis, Jr. and Michael T. Anderson, Davis, Cowell & Bowe, LLP, San Francisco, CA, for the plaintiffs-appellants. Stephen C. Tedesco, Littler Mendelson, San Francisco, CA, for defendants-appellees Dan Caputo Company, et al. James P. Watson, Stanton, Kay & Watson, LLP, San Francisco, CA, for defendants-appellees C.W. Roen Construction Co., et al. Appeals from the United States District Court for the Northern District of California; Maxine M. Chesney, District Judge, Presiding, Susan Illston, District Judge, Presiding. D.C. Nos.…