What first aid measures should be taken on the spot when the operation in the limited space is dangerous:
1. Before the formal operation, the unit should formulate the emergency rescue plan, carry out emergency drills, and equip the emergency personnel with emergency rescue equipments. Such as full-coverage positive pressure air respirator, long tube masks and other isolated respiratory protection; emergency communication and alarm equipment; rapid on-site testing equipment; high-power forced ventilation equipment; emergency lighting equipment, safety ropes, lifelines and safety ladders.
2, the operator in the operation of the abnormal situation or feel uncomfortable or respiratory difficulties, should immediately signal to the operation of the guardian, quickly evacuate the scene.
3. When the guardian discovers any abnormality, he or she shall immediately send an evacuation alarm to the operator and help the operator to escape from the restricted space, and at the same time immediately call for emergency rescue.
Extended information:
Limited space operation safety management measures
1, all pipelines and valves connected to the outside world should be effectively isolated from the outside world, pipeline safety isolation can be used to insert a blind or remove a section of pipeline isolation, not water sealing or shutting off the valve for isolation. Before the operation should cut off all the power connected to the equipment, and in the operation of the button hanging "someone working" warning sign.
2, the operation process should be timely clean up the limited space around the entrance of the work equipment, the need to deliver the work equipment should be used to rope suspension, is strictly prohibited up and down throwing. Into the limited space of all operators must wear full labor protective equipment. When entering the space operation that cannot meet the cleaning and replacement requirements, they should wear isolated gas masks or air respirators. In flammable and explosive environments, explosion-proof lamps and tools should be used.