Union says there is a “comprehensive breakdown in industrial relations”.
The six-day strike is to begin at 5pm on Sunday, July 12th and run until 5pm on Friday 17th.
RMT general secretary Mick Cash said: “RMT will not stand by while agreed policies, procedures and agreements are unilaterally ripped up by Southern and promises on the reduction in the working week are kicked aside despite increases in productivity through the LEAN project.
“As a result we declared a dispute and our engineering grades have now delivered a massive vote for industrial action and that programme of strikes and overtime bans will begin next week.
“In all of this, management have failed to show our members the respect they deserve as skilled and dedicated workers. We have made every effort to talk to the company about these issues, but have got nowhere. The only option we have is to use industrial action.
“Southern is a company intensively under the spotlight over its performance at the moment and RMT will not have our members left unrewarded as they hit work targets and then face a barrage of attacks on working conditions and procedures. RMT remains available for talks.”
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