St Fergus gas plant workers balloted by Unite
Wood employees at the St Fergus gas plant in Aberdeenshire are to be balloted over industrial action, it has been announced.
The plant, which is near Peterhead, processes gas from North Sea installations.
Unite said the dispute related to "safety concerns and attacks on terms and conditions".
However, Wood said safety remained its "highest priority" and was not affected by planned changes.
Unite said the dispute arose from the planned scrapping of daily payments for permit holder workers with safety duty responsibilities.
The union said a consultative ballot of construction workers overwhelmingly backed moving ahead with the industrial action ballot.
Vic Fraser, Unite regional industrial officer, said: "The permit system is an integral part of the safety system at the gas plant."
Wood said in a statement: "In line with site activity, we no longer require 36 employees to undertake 30 minutes of overtime to take out permits.
"We are modifying employee terms and conditions to reflect this change, which aligns with other Wood sites.
"Safety remains our highest priority and is not impacted by these changes. All employees working in a permit-controlled environment receive relevant training as part of their roles."