It is a common practice to lockout and/or tagout control devices. In a nuclear power plant’s control room with its many analog controls, you might (for example) see red covers over specific switches.

To ensure compliance under 1910.147, hazardous energy sources, such as electrical, pneumatic, hydraulic, chemical and thermal energy, need to be properly isolated to a zero-energy state through a ...

Coordinating procedures reduces confusion/omissions and improves efficiency. It also forces procedure writers to put the information in chunks that fit preset categories. This makes for leaner ...