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each criterion. A total non-monetary ranking can then be
established for each alternative.
2.7.2.3
Alternatives Selection. Select alternatives based on
the lowest total present-worth costs unless there are overriding
non-monetary factors. If alternative costs are comparable, use
the non-monetary criteria to select the best alternative.
Table 1
Non-Monetary Evaluation Criteria
Criteria
Comments
Operability
Ease of operation
Minimizes operator attention/expertise
required to ensure successful process
performance
Ease of maintenance
Maintenance requirements not excessive
and do not require special expertise;
facilities and equipment readily
accessible
Operator familiarity
Staff familiarity and ability to use
staff experience from existing
facilities
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