TAC:57279
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Other: GO2-84-541, Forwards Feedwater Piping Thermal Deflection Events, Final Design Engineering Rept, GO2-85-022, Requests Increase in Allowable Usage Factor for Reactor Feedwater Piping Between Containment Isolation Valves RFW-V-10A (B) & RFW-V-32A (B).Relaxation of Fatigue Limit Can Be Adopted W/O Jeopardizing Structural Integrity, ML17277B524, ML17277B712, ML17278A503, ML20137X400 | |
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MONTHYEARML17277B5241984-10-0808 October 1984
[table view]Feedwater Piping Thermal Deflection Events, Final Design Engineering Rept GO2-84-541, Forwards Feedwater Piping Thermal Deflection Events, Final Design Engineering Rept1984-10-16016 October 1984 Forwards Feedwater Piping Thermal Deflection Events, Final Design Engineering Rept GO2-85-022, Requests Increase in Allowable Usage Factor for Reactor Feedwater Piping Between Containment Isolation Valves RFW-V-10A (B) & RFW-V-32A (B).Relaxation of Fatigue Limit Can Be Adopted W/O Jeopardizing Structural Integrity1985-01-17017 January 1985 Requests Increase in Allowable Usage Factor for Reactor Feedwater Piping Between Containment Isolation Valves RFW-V-10A (B) & RFW-V-32A (B).Relaxation of Fatigue Limit Can Be Adopted W/O Jeopardizing Structural Integrity ML17277B7121985-04-12012 April 1985 Requests Fee for 850117 Application to Amend License NPF-21, Increasing Allowable Usage Factor from 0.1 to 0.4 for Certain Portions of Reactor Feedwater Piping ML20137X4001985-09-0909 September 1985 Discusses Branch Technical Position Meb 3-1, Relation Between Usage Factor & Allowable Stresses. Slope of Number of Cycles to Failure for Cyclic Stress Range Must Be Correlated for Credible Class 1 Fatigue Evaluation ML20137X3941985-10-0101 October 1985 Forwards Draft Justification for Revising Cumulative Usage Factor in Selecting Postulated Rupture Locations.Single Pressure Test of Guard Pipe Assemblies Appears Reasonable ML17278A5031985-12-0606 December 1985 Responds to Request for Fatigue Usage Limit Relaxation from 0.1 to 0.4.Increase unacceptable.ANSI/ANS-58.2 Re Std Design Basis for Protection of Plants Against Effects of Postulated Pipe Rupture Being Revised 1985-10-01 | |
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