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{{#ask: [[Generic letter::NRC Generic Letter 84-04, Safety Evaluation of Westinghouse Topical Reports Dealing with Elimination of Postulated Pipe Breaks in PWR Primary Main Loops (Generic Letter 84-04)]] [[Site::Catawba]]
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	Issue date	Title	From	To
ML20084N899	11 May 1984	Forwards WCAP-10547 & Proprietary WCAP-10546, Technical Bases for Eliminating Large Primary Loop Pipe Rupture as Structural Design Basis.... Exemption from 10CFR50,App a requested.WCAP-10546 Withheld (Ref 10CFR2.790)	Duke Energy Tucker H	Adensam E Office of Nuclear Reactor Regulation Harold Denton
ML20091E435	29 May 1984	Requests Exemption from GDC 4 Re Application of leak-before- Break Concept to Eliminate Postulated Pipe Breaks in Pressurizer Surge Line from Plant Structural Design Basis. Safety Balance Demonstrated	Duke Energy Tucker H	Adensam E Office of Nuclear Reactor Regulation Harold Denton
ML20092H669	18 June 1984	Requests Exemption from GDC 4 to Apply Leak Before Break Concept to Eliminate Postulated Pipe Breaks in Class 1 Accumulator Injection Lines from Structural Design Basis. Basis Provided in WCAP-10537.Rept Withheld (Ref 10CFR2.790)	Duke Energy Tucker H	Adensam E Office of Nuclear Reactor Regulation Harold Denton
ML20092N569	27 June 1984	Forwards Nonproprietary & Proprietary Technical Basis for Eliminating RHR Line Rupture as Structural Design Basis for Catawba Units 1 & 2 & McGuire Units 1 & 2, Per Request for Exemption from GDC 4	Duke Energy Tucker H	Adensam E Office of Nuclear Reactor Regulation Harold Denton
ML20115E915	17 April 1985	Modifies 840511 Response to Generic Ltr 84-04.Partial Exemption to GDC 4 Should Be Granted for First Two Cycles of Operation.Relief for Postulated Loop Break Effect on Reactor Cavity Will Be Pursued in GDC 4 Rulemaking	Duke Energy Owen W	Adensam E Office of Nuclear Reactor Regulation Harold Denton
ML20137M916	27 November 1985	Forwards Request for Exemption from GDC 4 to Apply leak- before-break Concept to Eliminate Postulated Pipe Breaks in RCS Primary Loop from Plant Structural Design Basis. Resolution Requested by 860228.Fee Paid	Duke Energy Tucker H	Youngblood B Office of Nuclear Reactor Regulation Harold Denton
NRC Generic Letter 1989-21	19 October 1989	NRC Generic Letter 1989-021: Request for Information Concerning Status of Implementation of Unresolved Safety Issue (USI) Requirements	Partlow J Office of Nuclear Reactor Regulation
ML20073D169	8 September 1994	Requests That NRR Evaluate Acceptability of Attached Justification for Containment Airborne Particulate Radiation Monitors (EMF38) to Be Classified as non-seismic	Duke Energy Rehn D	Office of Information Resources Management
ML051160367	22 April 2005	IR 05000412-05-002, IR 05000414-05-002 on 01/01/2005 - 03/31/2005 for Catawba, Units 1 and 2; Fire Protection, Operability Evaluations, and Problem Identification and Resolution	Ernstes M NRC/RGN-II/DRP/RPB1	Duke Energy Jamil D

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