Docket No. A074223. February 28, 1997. Appeal from Superior Court of the City and County of San Francisco, No. 976017, David A. Garcia, Judge. COUNSEL Van Bourg, Weinberg, Roger Rosenfeld, William A. Sokol and Clifford Stanley for Plaintiff and Appellant. Louise H. Renne, City Attorney, Vicki A. Clayton and Robin M. Reitzes, Deputy City Attorneys, for Defendant and Respondent. OPINION JONES, J. United Public Employees, Local 790 (Local 790) appeals from the denial of its petition to compel the City