When my dad worked as a mechanic in a power plant, if they went down and had to call him in on a day off, it was a guaranteed minimum of four hours that they ha

When my dad worked as a mechanic in a power plant, if they went down and had to call him in on a day off, it was a guaranteed minimum of four hours that they had to pay him, even if it only took an hour to fix whatever it was. Almost always at time and a half, as he'd already put in his 40. Double time on scheduled holidays. You should have to pay for on-call service.