The main contents include: instrument maintenance workshop functions, instrument maintenance workshop general layout, requirements for construction, power supply, lighting, instrument air supply, heating, ventilation, fire protection, etc., function rooms and maintenance equipment configuration, etc., as well as the "four rate calculation formula" of instruments. ; Instrument maintenance equipment selection table; Instrument maintenance main furniture catalog, etc.
T/HGJ 12404-2021 history
2021T/HGJ 12404-2021 Design standard for instrument maintenance workshop