An Approach for Integrated Analysis of Human Factors in Remote Handling Maintenance

Table 4

Criteria for evaluation grades.

Evaluation grades		Interval define	Description
Class A	Excellent		The RHM scheme has the best safety performance. Equipment design and placed are highly humanized. Operator’s psychological quality is extremely high. It does not need to be improved.
Class B	Good		The RHM scheme has better safety performance. Equipment design and placed are humanized. Operator’s psychological quality is good. It does not need to be improved.
Class C	Medium		The RHM scheme has normal safety performance. Equipment design and placed are accepted. Operator’s psychological quality is normal. It needs to be a bit improved.
Class D	Poor		The RHM scheme has poor safety performance. It needs to be improved.
Class E	Very poor		The RHM scheme has very poor safety performance. It cannot be accepted.