Workers in the Unison, Unite, and GMB unions in Aberdeen are balloting over a revised single status offer.
Some were reportedly in tears over their new deals, facing losses of up to £8,000. The average drop in pay is £1,150 compared to an average rise of £1,400.
50 employees will see their pay drop by more than £5,000.
The council tried to introduce a pay deal in 2005, but backed down after walkouts, protests and votes for strike action
One council service co-ordinator said he was losing £8,000, leaving him with just £16,000 a year. “We are talking about people’s livelihoods here,” he said.
A 52-year-old administrative worker will lose £4,000. He said, “We’ve waited two and half years for this and they’ve messed it up again.”