Critical Assessment on Dangerous Goods Storage Container Yard of Port: Case Study of LPG Tank Container

The dangerous goods must be stored at a specific position, namely dangerous goods storage container yard of port in China. Multi-class dangerous cargo containers are stored in a storage yard, which also leads to risk overlay. Once some risk factors are uncontrolled, some accidents such as fire, explosion, leak, poisoning, etc will occur and result in group death and massive property damage. A case study is presented to evaluate critical storage of dangerous goods storage container yard of port. The event-tree technique is employed to construct and analyze probable accident scenarios based on accident prevention measures. The individual risk of a LPG tank container is calculated to pre-determinate critical storage number of LPG tank container. When individual risk and social risk of critical LPG tank containers conform to acceptable risk criteria, the initial pre-determinate number can be identified as the critical storage. To demonstrate the approach, a case study is discussed to evaluate the critical storage of dangerous goods storage container.