Core contents of the standard: First, operation safety management, stipulating the safety management system, personnel qualification requirements and safety training requirements for elevator on-site operations; Second, pre-operation preparation, clarifying the requirements for risk assessment, safety inspection, tool and equipment preparation before operation; Third, operation process safety, specifying in detail the safety operation specifications for different operation processes such as elevator installation, maintenance, transformation and inspection; Fourth, emergency disposal, stipulating the emergency disposal methods and processes for common accidents in on-site operations; Fifth, post-operation safety, clarifying the requirements for site cleaning, safety inspection and record filling after operation.