If . . . | Then . . . |
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(1) There is sufficient structural redundancy to prevent catastrophic failure of the platform or structure under consideration | The results of the analysis must indicate a maximum calculated life of twice the design life of the platform. |
(2) There is not sufficient structural redundancy to prevent catastrophic failure of the platform or structure | The results of a fatigue analysis must indicate a minimum calculated life or three times the design life of the platform. |
Code of Federal Regulations
194
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(3) The desirable degree of redundancy is significantly reduced as a result of fatigue damage | The results of a fatigue analysis must indicate a minimum calculated life of three times the design life of the platform. |