On a cold evening in January 1993, wearing union negotiators returned to their second-floor office across from Harvard Yard and uncorked three bottles of champagne. they had just negotiated a new contract covering some 3,500 non-teaching Harvard Clerical and Technical Workers (HUCTW) began an impromptu briefing on the settlement: pay raises averaging 15.5 percent over three years and a novel provision that virtually guarantees job security.