1. Work task cards, including work tickets, task sheets, on-site investigation records, secondary work safety measures tickets, etc.

2. Risk cards include shift operation risk pre-control cards and on-duty supervision cards.

3. Work cards include process quality control cards and standardized work instructions;

4. The disclosure sheet includes a case of four measures and a disclosure sheet of safety measures.

"one board" is the maintenance site kanban, that is, the carrier used to intuitively convey information such as work content, working hours, working scope, dangerous points and preventive measures to the operators at the site.

Extended information:

"One board and four cards" has standardized the whole work. Before the work starts, the person in charge of the work needs to open a work ticket, prepare technical measures and work instructions, hold a pre-shift meeting, explain the work tasks, work flow, safety measures and dangerous points according to the wiring situation of kanban and field equipment, and ask questions about the explained projects to ensure that everyone knows the work situation.

and make sure that every member of the working class has signed, and complete the signature confirmation procedures. Finally, the person in charge of the work leads everyone to take the oath and keep the safety warning in mind. In the work, the head of the general work, the head of the sub-work and the full-time guardian should perform their own safety duties and be responsible for the whole work process to ensure the orderly and safe development of the work.

China Power Grid-Xinjiang Kuitun Power Supply Company: "One board with four cards" supports "protective umbrella" for autumn inspection.