After finishing the homework, I contact the personal lock. When it is confirmed that all operators have access to the personal lock, the guardian of the territorial unit shall contact the personal lock.
After the territorial unit confirms that the equipment and system meet the operation requirements, the collective lock shall be relieved according to the energy isolation list.
Unlock principle: unlock the collective lock first, unlock the label later.
When the operating part needs to be unlocked in an emergency state, the spare key can be used to unlock; When the spare key cannot be obtained
Can be unlocked by other secure means with the consent of the person in charge of the territorial project. Unlocking shall ensure the safety of personnel and facilities. Unlocking shall be timely notified to lock, hang the label of the relevant personnel.
If the equipment or system fails to meet the requirements after unlocking, the operating money shall be re-isolated according to the requirements of this regulation.
When the isolation of electrical and instrument is involved, the territorial unit shall provide the collective lock key to the electrical and instrument professionals, who shall unlock the key.