Letter Sequence Approval |
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Results
- Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval
Other: ML19325E833, ML19327A643, ML19327A644, ML19327A651, ML19327A658, ML19327A660, ML19327A663, ML19327A664, ML19327A665, ML19327A666, ML19327A667, ML19327A670, ML19327A671, ML19327A672, ML19327A673, ML19327B596, ML19327B598
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MONTHYEARML19327B5951989-05-10010 May 1989
Safety Evaluation Accepting Util 860221 Proposed Amend to Licenses DPR-39 & DPR-48,revising Tech Specs to Limit Purge & Vent Valve Operation Above Cold Shutdown
Project stage: Approval
ML19327A6411989-05-10010 May 1989
Forwards Safety Evaluation Accepting Proposed Tech Spec Changes Re Purge/Vent Operation.Licensee Should Verify That Positive Stop Installed on Valve to Prevent Opening Beyond Tech Spec Angle
Project stage: Approval
ML19327A6611989-05-11011 May 1989
Discusses Differing Professional View Re Issuance of SER to Plant Allowing Full Power Operation W/Open 42 Containment Isolation Valves & Methodology Use for Calculating Related Offsite Doses
Project stage: Approval
ML19327B5881989-05-11011 May 1989
Safety Evaluation Concluding That 42-inch Containment Purge & Supply Valves Should Remain Closed in Modes l,2,3 & 4 Since Consequence of Offsite Dose to Thyroid from Iodine During LOCA Unacceptably High
Project stage: Approval
ML19327A6621989-05-11011 May 1989
Forwards SER Re Licensee Proposal Allowing Full Power Operation of Facility w/42 Inch Purge Supply & Exhaust Containment Isolation Valves
Project stage: Approval
ML19327A6431989-05-18018 May 1989
Ack Receipt of Containing Differing Prof Opinion Re Methodology Used for Calculating Related Offsite Doses. List of Persons to Be Considered as Third Member of Standing Review Panel Requested
Project stage: Other
ML19327A6441989-05-25025 May 1989
Submits List of Nominees for Third Member of Standing Review Panel,Per 890519 Request
Project stage: Other
ML19327A6661989-05-26026 May 1989
Forwards 890511 Memo Expressing Differing Professional View of B a Licciardo Re Containment Isolation Valves,For Review & Recommendation by J Miraglia
Project stage: Other
ML19327A6671989-06-0202 June 1989
Informs of Adequate Info Being Supplied to Initiate Review by SRP Re Differing Professional View
Project stage: Other
ML19327A6471989-06-23023 June 1989
Requests Notification of When Requested Info Re Containment Isolation Valves W/Regard to Fuel Failure for LOCA Analyses, Clarification of Mechanisms Used for Transporting Fission Products & View on Safety Significance Will Be Provided
Project stage: Approval
ML19327A6681989-06-30030 June 1989
Advises That Specific Issues Identified in 890623 Memo Would Be Further Clarified by 890717
Project stage: Approval
ML19327A6691989-07-14014 July 1989
Corrected Memo Advising That 890717 Submittal,Re Clarification of Differing Prof View,Will Be Provided on 890723
Project stage: Approval
ML19327A6701989-07-14014 July 1989
Advises That Info Provided by Memo Will Be Submitted by 890720
Project stage: Other
ML19327A6601989-07-20020 July 1989
Discusses Differing Professional View Re Plant Containment Isolation Valves
Project stage: Other
ML19327A6721989-07-20020 July 1989
Evaluation of Criteria for & Calculation of Offsite Doses Deriving from Open Containment Purge Valves During LOCA at Zion Units 1 & 2
Project stage: Other
ML19327A6711989-07-21021 July 1989
Notifies EDO of Status Re Differing Professional View Filed on 890511.Chronology Documents Status Encl
Project stage: Other
ML19327B5991989-07-27027 July 1989
Requests Listed Clarifying Info Supporting Standing Committee on Differing Prof Views (Dpv) Review of Licciardo Dpv Re Containment Isolation Valves at Plant.Info Requested by C.O.B. on 890727
Project stage: Approval
ML19327A6731989-08-10010 August 1989
Discusses Differential Professional View Re Plant Purge Operation
Project stage: Other
ML19327A6511989-08-10010 August 1989
Forwards N Lauben Memo Re Technical Issues Raised in Dpv Concerning Containment Isolation Valves at Facilities. Rupture of High Burnup Fuel Pins During Blowdown Transient Not Credible for Existing Fuel Designs
Project stage: Other
ML19327A6521989-08-10010 August 1989
Comments on Dpv Concerning Early Blowdown Cladding Rupture During Large Break Loca.Table Listing Gapcon Pin Pressure Calculations Encl
Project stage: Approval
ML19327A6631989-08-11011 August 1989
Discusses View on Purging Re Plant Containment Isolation Valves
Project stage: Other
ML19327A6571989-08-21021 August 1989
Forwards Comments on Differing Prof View Re Early Blowdown Cladding Rupture During Large Break Loca.Comments Address Issues Re Cladding Rupture of High Burnup High Pressure Fuel Early in Blowdown Prior to Containment Isolation
Project stage: Approval
ML19327B5981989-08-22022 August 1989
Advises of Apparent Fundamental Misunderstanding in Preparation of Document Contributing to Resolution of Differing Prof View Re Containment Isolation Valves at Plant,Per 890821 Telcon W/W Hodges
Project stage: Other
ML19327B5961989-08-22022 August 1989
Summarizes 890822 Telcon from Licciardo Re Matl Provided to Review Panel,By Nrc,Concerning Licciardo Differing Prof View on Containment Isolation Valves at Plant.Licciardo Asked to Provide Concerns in Written Form by C.O.B. on 890822
Project stage: Other
ML19327A6561989-08-23023 August 1989
Forwards Revised Comments from Gn Lauben on Differing Prof View Re Early Blowdown Cladding Rupture During Large Break Loca.Rupture of High Burnup Fuel Pins During Blowdown Transient Not Credible for Existing Fuel Designs
Project stage: Approval
ML19327A6641989-08-24024 August 1989
Advises That 890811 Note Providing Revised Analyses to Recognize Higher Linear Heat Generation Rates for Zion, Remain Unchanged
Project stage: Other
ML19327A6581989-08-25025 August 1989
Informs That Author Reviewed R Licciardo 890822 Memo to F Miraglia Re Adequacy of N Lauben Analysis of LOCA Using Low Burnup,Low Pressure Fuel & Which Have High LHGR than Analyzed by Lauben.Early Rupture of Fuel Pins Remains Valid
Project stage: Other
ML19327A6651989-08-29029 August 1989
Forwards Response to Question Addressed in 890822 Memo Re Containment Isolation Valves
Project stage: Other
ML19327A6931989-09-13013 September 1989
Lists Actions Needed to Be Taken Re Review of 890511 Differing Prof View,Including Issuance of Evaluation of Zion Tech Specs
Project stage: Approval
ML19327B5701989-09-19019 September 1989
Discusses R Licciardo 890511 Differing Prof Opinion.Action Requested Per Encl Murley 890913 Memo Directing NRC to Ensure That Pressure & Temp Effects During LOCA Cosidered in Review of New & Advanced Fuel Designs
Project stage: Approval
ML19325E8331989-10-31031 October 1989
Forwards Chronology Re R Licciardo Differing Prof View on Containment Isolation Valves at Plant.Encl 2 Is NRR Records Associated W/Differing Prof View.W/O Encl 2
Project stage: Other
1989-07-21
[Table View] |
Similar Documents at Zion |
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NOTE TO: ' Ashok Thadani
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SUBJECT:
DPV CONCERN!NG CONTAlhMENT ISOLATION VALVES AT ZION The Standing-Committee on Differing Frofessional Views-(DPV) has been 3
considering the subject DPV from Bob Licciardo The Committee asked for some clarifying information (see attached).
The Committee requests that you provide the following information:
-Technical rationale for time to fuel damage from onset of LOCA in Appendix K analysis with particular emphasis on pressure and temperature effects experienced by fuel early in LOCA event; and wtg entry into DNBR does not result in fuel failure.
In addition, provide comments regarding the applicability of Reg. Guides, SRP's
' and BTP's cited in the attached to the review of the Zion amendment.
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This information should be provided by close of business August 11, 1989.
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Frank Miragda
Enclosure:
Memo to F. Miraglia fa R. Licciardo w/ enc 1.
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MEMORAN0llM FOR: Robert Licciardo, Reactor Engineer
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Plant Systems Branch, DEST FROM:
Frank J. Miraglia, Associate Director for Inspection and Technical Assessment
SUBJECT:
DPV CONCERNING CONTAINMENT ISOLATION VALVES AT ZION (TAC 73427) - STATUS INFORMATION This is to acknowledge that on July 20, 1989, I received the information requested by my June 30, 1989 memorandum.
Based on the receipt of this information, the Standing Review Panel (E. Rossi, F. Congel and myself) can continue its review of your concerns. The Panel expects to complete this reviewwithin30 days,asprovidedforinManualChapter(MC)4125(see page 2, item 7 of the enclosure to MC 4125 entitled ' Procedures for tie Expression and Disposition of Differing Professional Views and Opinions,"
which is attached to NRR Office Letter No. 300, Revision 1 dated March 24,1989).
Pursuant to MC 4125, the Director, NRR, is expected to make a final disposition of the issue within seven days of the Panel's decision.
By copy of this memorandum NRR is notifying the EDO of the status of the Differing Professional View that you filed on May 11, 1989. The enclosed chronology documents the status to date.
Original signed by Frank J. Kiraglia Frank J. Miraglia, Asscciate Director for Inspection and Te::hnical Assessment
Enclosure:
Chronology l
DISTRIBUTION cc w/ enc 1:
Central Files V. Stello, EDO ADM RF (2)
J. Blaha, A0, E00 HSmith T. Murley VWilton J. Sniezek JLarkir; F. Gillespie FMiraglia E. Rossi F. Congel J. Partlow l
G. Holahan A. Thadani l
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c DPV Concerning Containment isolation Valves at Zion Date Description 5/11/89 Memorandum from R. Licciardo to T. Murley, subject:
Differing Professional View (DPV) Concerning (a) Issuance of SER to Zion 1 and 2 allowing fuel-power operation with open 42" containment isolation valves; (b) methodology used for calculating related offrite dosm.
5/18/89 Memorandum from T. Murley to R. Licciardo acknowledging that on May 12, 1989, the Director's Office received his DPV dated May 11, 1989.
Note that this memorandum also requests a listing of persons Mr. Licciardo would like to be considered for the third and alternate members for the Standing Review Panel.
5/25/89 Memorandum from R. Licciardo to T. Murley, nominating S. Varga, F. Congel and G. Holdhan to consider as third and alternate members of the Standing Review Panel.
5/26/89 Memorand;m from T. Murley to F. Miraglia, C. E. Rossi, and F. Congel stating that they have designated the panel to review and recommend to the Director, NRRi the appropriate disposition of Mr. Licciardo's DPV.
6/2/89 tiemorandu=i from F. Miraglia to R. Li:ciardo acknowledging that the Standing Review Patiel has determined that adequate information has been supplied to initiate a review of the DPV.
6/16/89 The Standing Rev'ew Panel met with Mr. Licciardo to further discuss his views.
6/23/89 Memorandum from F. Miraglia to R. Licciardo acknowledges meeting held on June 16, 1989, and the Panel's request for the following information: (1) request that Mr. Licciardo more clearly state his concern regarding the time to fuel failure used in LOCA ar.alyses; (2) request that fir. Liccia-do clarify the mechanisms for transporting fission products. rom the rimary to containment used in Mr. Licciardo's analyses; and p(3) request that he provide his view as to the safety s hnificance of proceeding with the proposed Zion amendment and the safety significance of his concern regarding LOCK analyses.
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i-6/30/89 Memorandum from R. Licciardo to F. Miraglia stating that the information requested by memo from F. Miraglia dated s.h-6/23/89 will be provided by July 17, 1989.
1 7/14/89 Memorandum from R. Licciardo to F. Miraglia advising that information provided by his memorandum dated June 30, 1989 will be submitted by July 20, 1989 7/20/89 Memorandum from R. Licciardo to F. Miraglia transmitting information requested on June 23, 1989.
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