ExclusivePoliticsVictoriaTrains You have reached your maximum number of saved items. Remove items from your saved list to add more. For four years, hundreds of mechanics and fitters who keep Melbourne’s train fleet running worked under a mandatory directive from Metro Trains management: they could not decline rostered overtime shifts. While the shifts were compulsory, and allowed under their pay deal, paying retirement benefits on them was apparently optional for Melbourne’s rail operator.