Abstract
The aim of study is taking the advantages of the risk assessment of operating conditions (LEC), this study has carried out the risk assessment of the air lift process in the construction of full containment LNG storage tank with volume of 30000 m3 in one LNG projects. This performance enables the contractor to identify the major hazard sources in the construction and take safety control measures on site and facilitates to greatly reduce the safety risk in construction and effectively guarantee the smooth air lift operation.
Highlights
Liquefied Natural Gas (LNG) storage tank, the main storage facility in the LNG industry chain, is usually constructed by the process of air lift
The aim of study is taking the advantages of the risk assessment of operating conditions (LEC), this study has carried out the risk assessment of the air lift process in the construction of full containment LNG storage tank with volume of 30000 m3 in one LNG projects
It is necessary to carry out the risk assessment for the air lift process in the LNG storage tank construction, to control the hazard sources in construction, reduce the construction risks, prevent the accidents and guarantee the safe operation
Summary
LNG storage tank, the main storage facility in the LNG industry chain, is usually constructed by the process of air lift. The air lift process is preferred for its faster speed of construction and lower cost. While, it has brought challenges including higher construction difficulty, more safety risks and others. The safety risk will be increased for the long time of duration in the air lift process. It is necessary to carry out the risk assessment for the air lift process in the LNG storage tank construction, to control the hazard sources in construction, reduce the construction risks, prevent the accidents and guarantee the safe operation
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