LOTO security ban explanation
It is strictly prohibited to carry out fire operation without permission, detection or supervision.
Work permit and work permit must be obtained for hot work; Combustible gas should be tested before fire operation, and it should be tested in accordance with the frequency requirements of the fire operation license. Portable combustible gas detection and alarm device should be set up for continuous monitoring during the operation. Territorial units and operating units shall appoint guardians, mainly territorial guardians, who shall be qualified by training and wear the guardian's logo. The guardians shall supervise the whole process of operation.

It is strictly prohibited to work in restricted space without permission, detection or supervision.
Operation permit and operation permit for entering restricted space must be obtained; Toxic gas, combustible gas and oxygen content should be tested before entering the restricted space, and should be tested in accordance with the frequency requirements of the operation permit for entering the restricted space. Portable composite gas detection and alarm device should be set up for continuous monitoring during the operation. Territorial units and operating units that enter the restricted space shall appoint guardians, mainly territorial guardians, who shall be qualified by training and wear the guardian's logo. The guardians shall monitor the whole process of operation.

It is strictly prohibited to conduct electrical work without permission or in accordance with energy isolation requirements; Pipeline/equipment opening operation, fire operation and entering restricted space operation are strictly prohibited without energy isolation and process disposal requirements.
Temporary electricity use operation should apply for temporary electricity use license; Electrical inspection and maintenance, electrical operation, etc., should apply for the work permit, cut off the power according to the energy isolation requirements, and Lockout tagout.

Line/equipment open work, hot work, before and into the limited space operations should be used to add energy isolation measures, such as blind plate materials and related equipment, pipeline internal use net, washing, cooking, replacement, purging method ", such as temperature, pressure, content of hazardous substances, such as meet the requirements, and Lockout tagout rear can work.

Failure to conduct risk assessment, formulate safety measures and approve removal of interlocks is strictly prohibited; It is strictly forbidden to drive without reporting, analyzing the reasons and confirming the conditions after interlocking.
Before device interlocking resection, risk assessment shall be carried out, corresponding preventive measures and emergency plans shall be formulated, application for interlocking resection shall be processed, and interlocking resection can be implemented only after approval. After interlocking action stop, the reason must be found out and the conditions must be confirmed before interlocking and starting again.

It is strictly prohibited to carry out inspection and maintenance operations without interface handover as stipulated.
All kinds of equipment in the rush repair, inspection and maintenance operations before the production of maintenance interface handover confirmation, process equipment professional confirmation, safety professional supervision permission. The equipment, container, pipe and pump with toxic, harmful, explosive, flammable and corrosive materials shall be qualified by steam blowing, hot water washing, neutralization, nitrogen replacement or air replacement before maintenance operation. In the process of delivery, the process isolation measures of the system shall be confirmed and the measures of preventing materials from channeling each other shall be taken. When maintaining the rotating equipment, it is necessary to confirm that the power source of the equipment is cut off and Lockout tagout is carried out. The maintenance and construction scheme should be prepared according to the site conditions, site process and operation content.