Table 6.

Traditional ratings for SODCT factors [55].

Rating	S	O	D	C	T
10	Hazardous with warning	Very high	Absolute	Repair cost close to the original price	Repair time extremely high
9	Hazardous without warning	Almost inevitable failure	Uncertainty	Repair cost extremely high
8	Very high	High	High	Repair cost high	Repair time high
7	High	Repeated failures	Repeated failures
6	Moderate	Moderate: occasional failures	Moderate: occasional failures	Repair cost moderately high	Repair time moderate
5	Low			Repair cost moderate
4	Very low			Repair cost relatively low
3	Minor	Low	Low	Repair cost low	Repair time low
2	Very minor	Relatively few failures	Relatively few failures	Repair cost very low
1	None	Remote: failure is unlikely	Remote: failure is unlikely	Repair at nearly no cost	Repair cost very low