First, we must strictly implement the operation approval system, and it is strictly forbidden to enter the limited space without authorization.
The second is to "ventilate first, then test, then operate", and it is strictly forbidden to operate unqualified after ventilation test.
Three, must be equipped with personal protective equipment such as poisoning suffocation, set up safety warning signs, it is strictly prohibited to work without protective monitoring measures.
Four, must carry out safety training for homework personnel, it is strictly prohibited to education and training unqualified mount guard operation.
Five, emergency measures must be formulated, the scene is equipped with emergency equipment, it is forbidden to blindly rescue.
Extended data:
I. Classification of finite spaces
Limited space is divided into three categories:
1. sealing equipment: such as cabin, storage tank, vehicle-mounted tank, reaction tower (kettle), refrigerator, pressure vessel, pipeline, flue, boiler, etc.
2. Limited underground space: such as underground pipelines, basements, underground warehouses, underground projects, underground ditches, tunnels, culverts, pits, abandoned wells, cellars, sewage pools (wells), biogas digesters, septic tanks, sewers, etc.
3. Limited space on the ground: such as storage room, distiller's grains pool, fermentation pool, garbage station, greenhouse, cold storage, granary and silo.
Second, danger.
1. Poisoning hazard: it is easy to accumulate high concentration of harmful substances in a limited space. Harmful substances can exist in a limited space or accumulate gradually during operation.
2, hypoxia hazard: too low oxygen concentration in the air will cause hypoxia.
3. Flammable and explosive hazards: There are flammable and explosive substances in the air. If the concentration is too high, it will cause explosion or combustion in case of fire.
4. Other hazards: any other environmental conditions that threaten life or health. Such as falling, drowning, object strike, electric shock, etc.
Baidu encyclopedia-limited space allocation
Baidu Encyclopedia-Five Rules of Safe Operation in Limited Space