Compare an alternative without losing the requirementSimilar headline numbers do not establish material equivalence. Review the complete construction and approval consequences.Compare an alternative without losing the requirementA decision sequence; retain the approved requirements and revision01Identify candidatesExact grades andconstructions.02Match test contextMethod, frequency andcondition.03Compare propertiesOnly like-for-likequantities.04Review fabricationBond, drill and coppercompatibility.05Check qualificationAssess affected productevidence.06Approve revisionRecord the acceptedalternative.³Ô¹Ïtv · Engineering explanation · Conceptual, not to scale