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 Issue dateTitleFromTo
ML20086S19424 February 1984Requests Exemption from GDC 4 Per Generic Ltr 84-04,based on Net Safety Increase of Plant Design by Application of Alternate Pipe Break Criteria.Overall Plant Benefits Would Include Reduced Piping Heat LossDuquesne Light Company
Woolever E
Office of Nuclear Reactor Regulation
Harold Denton
ML20091J24731 May 1984Forwards Alternate Pipe Break Design Criteria for Primary Coolant Loop & Leak Before Break Safety Balance, in Support of Request for Exemption from GDC 4 & to Provide Alternative to Postulating double-ended Guillotine BreaksDuquesne Light Company
Woolever E
Office of Nuclear Reactor Regulation
Harold Denton
ML20093G89316 July 1984Forwards Proprietary WCAP 10565 & Nonproprietary WCAP 10564, Technical Bases for Eliminating Large Primary Loop Rupture as Structural Design Basis for Beaver Valley Unit 2. WCAP 10565 Withheld (Ref 10CFR2.790)Duquesne Light Company
Woolever E
Office of Nuclear Reactor Regulation
Harold Denton
ML20094L92831 July 1984Responds to 840525 Request for Addl Info & Generic Ltr 84-04 Re 760114 & 0618 Asymmetric LOCA Loads Analyses.Util Proceeding W/Fracture Mechanics Evaluation to Demonstrate Applicability to ModelingDuquesne Light Company
Carey J
Varga S
Office of Nuclear Reactor Regulation
ML20204H1125 November 1984Submits Further Explanation of 840224 Request for Partial Exemption from GDC 4 Re Elimination of Postulated Pipe Breaks in Primary Coolant Loops.Fsar Changes EnclDuquesne Light Company
Woolever E
Office of Nuclear Reactor Regulation
Harold Denton
ML20140D54510 December 1984Forwards Nonproprietary & Proprietary WCAP-9736 & Rev 1 to WCAP-9735,respectively, Multiflex 3.0,FORTRAN IV Computer Program.... Application for Withholding Proprietary Info Encl.Proprietary Rept Withheld Per 10CFR2.790Duquesne Light Company
Woolever E
Office of Nuclear Reactor Regulation
Knighton G
ML20107B07813 February 1985Forwards plant-specific Backfit Completion Date Sheets Re Current Status of Backfit Issues Per Paragraph V of Generic Ltr 84-04.Scheduled Completion Date for Each Milestone Not IncludedDuquesne Light Company
Woolever E
Eisenhut D
Office of Nuclear Reactor Regulation
ML20133A28431 July 1985Forwards Proposal for Alternate Approach to Pipe Rupture Protection Using leak-before-break.Alternate Approach Believed to Lead to Greater Safety & Reliability W/Lower Costs than Conventional MethodsDuquesne Light Company
Carey J
Office of Nuclear Reactor Regulation
Harold Denton
ML20135E49827 August 1985Proposed Whipjet Program for Beaver Valley Power Station 2Duquesne Light Company
ML20205C5267 August 1986Expresses Appreciation for Arranging 860813 Alternate Pipe Rupture Protection Program (Whipjet) Meeting Between NRC & Util in Bethesda,Md to Resolve Issues Re Schedular Exemption & Leak Detection Safety MarginDuquesne Light Company
Carey J
Tam P
Office of Nuclear Reactor Regulation
Harold Denton
ML20214V19531 May 1987RCS Leakage Detection Assessment for Elimination of RCS Main Loop Pipe Break Protective DevicesDuquesne Light Company
ML20214V1861 June 1987Application for Amend to License DPR-66,revising Tech Specs to Permit Design of Reactor Coolant Pump & Steam Generator SupportsDuquesne Light Company
Sieber J
NRC Generic Letter 1989-2119 October 1989NRC Generic Letter 1989-021: Request for Information Concerning Status of Implementation of Unresolved Safety Issue (USI) RequirementsPartlow J
Office of Nuclear Reactor Regulation
ML20160A06320 May 20202 to Updated Final Safety Analysis Report, Chapter 4, Reactor Coolant SystemEnergy Harbor Nuclear CorpOffice of Nuclear Reactor Regulation
ML21334A02322 November 20213 to Updated Final Safety Analysis Report, Chapter 4, Reactor Coolant SystemEnergy Harbor Nuclear CorpOffice of Nuclear Reactor Regulation