In addition to fire operations, temporary power operations, restricted space operations, work at height, blind plugging operations, lifting operations, there are earth moving, disconnection, equipment overhaul three.
Blind plugging: in the process of equipment repair or overhaul, equipment, pipeline memory materials (gas, liquid, solid) and a certain temperature, pressure, blind plugging, or equipment, pipeline materials by blowing, replacement, cleaning after the blind plugging.
1, in the toxic medium of the pipeline, equipment for blind plugging operations, the operator should be in accordance with the requirements of GB/T11651 selection of protective gear.
2, in the flammable and explosive places for blind plugging operations, the operator should wear anti-static overalls, work shoes.
3, the production workshop (sub-factory) should be drawn in advance blind location map, the blind plate for the unified number.
4, blind pumping and plugging operations, the pressure at the point of operation should be reduced to atmospheric pressure, and set up a person to monitor.
5, should not be in the same pipeline at the same time two and more than two places of the blind pumping operations.
Temporary electricity: the power supply voltage level can touch personal injury or death, belonging to the short-term use and should not be installed in accordance with the formal requirements of power, lighting, testing and other lines, for the formal lines that do not meet the requirements of the electrical installation regulations are collectively regarded as temporary lines.
Earth moving operations: excavation, piling, ground anchors into the soil depth of 0.5 meters or more; ground stacking load in more than 50kg / ㎡; the use of bulldozers, rollers and other construction machinery for filling or leveling the site of the operation
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