The relevant functional departments of the company provide safety locks, locks and "dangerous! Do not operate the "TAB" and manage it.
When a crossover job involves the same isolation point, each job must lock and hang the isolation point.
Do not lock the screen when cleaning operation, the implementation of a single process operation card.
For the follow-up rectification and leakage elimination work items below 1.0mpa, the relevant inspection and maintenance work rules shall be implemented.
During the overhaul of the device, after the overall isolation and replacement of the system, partial operations may not be locked, and the corresponding HSE operation plan or inspection and maintenance operation procedures shall be implemented.