ABSTRACT
ABSTRACT: According to major types of accidents, such as fire, explosion and toxic release, the definition and methods of identification for “Major Accident Potential” in Beijing were carried out in “PLR Classification for Accident Potential”, following the basic principle of hazard assessment combined with the survey of accidents occurred and accident potentials in Beijing. Combining three evaluating factors, i.e., Probability (P), Loss (L) and effect area (R0.5) of the accidents, the “PLR accident potential classification assessment table” was proposed to indicate the consequence of accident potential classification. Through the trial application of the new approach in Beijing LPG storage and distribution station show that the identification, assessment and rectification of major accident potential were the key which prevent a major accident. The P, L, R sub-indicators of different type accident potentials existed difference of different degrees. But as long as an accurate identification and assessment of accident potential, control, appropriate corrective measures and, ultimately, there were more consistent results. The new ways made the trial enterprises became aware of the potential risks of major accident potentials, which reinforce awareness of the prevention and rectification to major accident potentials. Also the operability and effectiveness of the trial application of the new approach in Beijing LPG enterprises were verified. The approach had a more broad application prospects in accident potentials and safety assessment for enterprises that product, storage and use flammable, explosive, and toxic hazardous chemicals. The approach provides scientific management method in identification, assessment and improvement of mayor accident potential in Beijing.
