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MONTHYEARML16340A6621979-10-23023 October 1979 Forwards Summary of NRC Review of Test Procedure 42-7 & Addl Guidance Re Supporting Analyses Required by Branch Technical Position Rsb 5-1 Project stage: Approval ML17083A4631980-08-0101 August 1980 Suppl 10 to SER Project stage: Other ML16340B1841980-10-31031 October 1980 Safety Evaluation Report Related to the Operation of Diablo Canyon Units 1 and 2.Dockets Nos. 50-275 and 50-323.(Pacific Gas & Electric Company) Project stage: Request NRC Generic Letter 1981-061981-02-26026 February 1981 NRC Generic Letter 1981-006: Periodic Updating of Final Safety Analysis Reports (Fsars) Project stage: Request ML16340B5471981-03-19019 March 1981 Responds to 810311 Request for Status of Outstanding Issues. Delineates Util Submittals W/O SER Input & Expected Util Submittals.Tmi & non-TMI Full Power SERs Expected Out by 810331 W/Environ Qualifications & Breakwater Items Open Project stage: Request ML17083A8061981-03-31031 March 1981 Safety Evaluation Report Related to the Operation of Diablo Canyon Nuclear Power Plant,Units 1 & 2.Docket Nos. 50-275 and 50-323.(Pacific Gas and Electric Company) Project stage: Approval ML16340B6171981-04-30030 April 1981 Safety Evaluation Report Related to the Operation of Diablo Canyon Nuclear Power Plant,Units 1 and 2.Docket Nos. 50-275 and 50-323.(Pacific Gas and Electric Company) Project stage: Approval ML20210C5051983-09-29029 September 1983 SER Re Util Response to Generic Ltr 81-21 Concerning Natural Circulation Cooldown.Licensee Has Sufficient Condensate Supplies & Procedures Will Be Adequate to Perform Natural Circulation Cooldown W/Listed Mods Project stage: Other ML20209C4771983-09-29029 September 1983 Forwards SER Re Util 811207 Response to NRC Questions on Generic Ltr 81-21 Concerning Reactor Vessel Upper Head Steam Formation During Natural Circulation Cooldown.Licensee Submittal,Referring to Westinghouse Study,Acceptable Project stage: Approval ML20209C8691984-04-0909 April 1984 Forwards SER & SALP Inputs Based on Evaluation of FSAR Chapter 14 Initial Test Program Changes.Changes Acceptable. Chapter Should Include Loss of Offsite Power W/Loss of Turbine Generator Test & Natural Circulation Test Project stage: Approval ML20213E9441984-07-30030 July 1984 Forwards Reactor Sys Branch Sser Granting Temporary Relief from Tech Specs 3.4.1.2,3.4.1.3 & 3.7.1.3 During Natural Circulation & Boron Mixing Tests.Salp Input Also Encl. Overall Rating of Category 2 Assigned Project stage: Approval ML16341C2101984-08-15015 August 1984 Safety Evaluation Related to the Operation of Diablo Canyon Nuclear Power Plant,Units 1 and 2.Docket Nos. 50-275 and 50-323.(Pacific Gas and Electric Company) Project stage: Request ML17083B4331984-09-11011 September 1984 Trip Rept of 840821-22 Site Visit Re Design of Interlocks & Power Supplies to RHR Suction Isolation Valves,Planned Natural Circulation & Boron Mixing Tests & Physical Arrangements of Components & Sys.Results of Discussion Encl Project stage: Other ML20209D3041984-09-19019 September 1984 Forwards List of Questions & Comments on Draft Test Procedure 42.7 Re Natural Circulation & Boron Mixing Tests. Items Addressed Need to Be Resolved Prior to Approval of Test Procedure Project stage: Draft Other ML16341A3161984-09-25025 September 1984 Forwards Trip Rept of NRC 840821-22 Site Visit to Discuss Design & Operational Aspects of Interlock & Power Supplies to RHR Suction Isolation Valves & Planned Circulation & Boron Mixing Test.Ten Items Require Addl Info Project stage: Other ML20209D8531985-01-30030 January 1985 Forwards Results of Survey Re Compliance W/Rsb 5-1 Natural Circulation Test Criterion for Westinghouse PWRs Project stage: Other ML20209E0861985-03-14014 March 1985 Forwards Branch Review of Natural Circulation Boron Mixing Test Procedure Mods Based on Util 850225 Submittal.Procedure Acceptable.Licensee Committed to Submit post-test Rept for Review Project stage: Approval ML16341C2901985-03-21021 March 1985 Forwards Staff Evaluation of Procedure for Natural Circulation Boron Mixing Test,Submitted by Util on 841121. Based on Util Commitment to Include Listed Info,Procedure Acceptable.Staff Member Plans to Witness 850325 Test Project stage: Other ML20209E1991985-03-25025 March 1985 Submits Status Rept Re Natural Circulation Boron Mixing Test.Ss Diab Will Witness Test at San Luis Obispo,Ca Scheduled for 850329.Trip Rept & Seminar Re Observations Will Be Prepared Project stage: Other ML20209E3241985-04-17017 April 1985 Forwards Observation & Synopsis of Util 850328 Natural Circulation Test at Unit 1.Test Designed to Address Requirements of Branch Technical Position Rsb 5-1.Post-test Rept Being Prepared by Util & Westinghouse Project stage: Other ML20155B1031986-03-31031 March 1986 Nonproprietary Natural Circulation,Boron Mixing & Cooldown Test,Final Post-Test Rept Project stage: Other ML17095A5211986-11-13013 November 1986 Notification of 861121 Meeting W/Util & Westinghouse in Bethesda,Md to Discuss Natural Circulation,Boron Mixing & Cooldown Test Project stage: Meeting ML17083B8391986-12-0909 December 1986 Summary of 861121 Meeting W/Bnl,Util & Westinghouse Re BNL Evaluation of Natural Circulation,Boron Mixing & Cool Down Test Performed in March 1985.Meeting Notification,List of Attendees & Viewgraphs Encl Project stage: Meeting ML16342B2551986-12-19019 December 1986 Forwards 861209 Summary of 861121 Meeting W/Util,Bnl & Westinghouse Re Circulation/Boron Mixing/Cool Down Test Performed on Unit 1 for Info Project stage: Meeting ML16341E0971987-03-0303 March 1987 SER Re Natural Circulation,Boron Mixing & Cooldown Test.Test Adequately Demonstrates That Plant Sys Meet Intent of Branch Technical Position Rsb 5-1 for Class 2 Plant Project stage: Other ML16341E0951987-03-0303 March 1987 Forwards SER Concluding That Basic Objectives of Natural Circulation,Boron Mixing & Cooldown Test Performed at Unit 1 Met.Test Can Be Applied to Unit 2.Both Units Meet Intent of Branch Technical Position Rsb 5-1 Project stage: Approval 1984-09-11
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Text
Docket Nos.
50-275 and 50-323 Dr. A. Cheung Westinghouse Electric Corporation Nuclear Energy Systems P.O.
Box 355 Pittsburgh, Pennsylvania 15230 DISTRIBUTION w/o enclosure
~ oc et s
e I Local PDR H. Schierling D. Mann
Dear Dr. Cheung:
Enclosed for your information is our summary, dated December 9,
1986, of a meeting held on November 21, 1986 regarding the natural circulation/boron mixing/cool down test performed on Diablo Canyon Unit l.
You and members of the Westinghouse staff participated in the meeting.
Hans Schierling, Senior Project Manager Project Directorate ¹3 Division of PWR Licensing-A
Enclosure:
As stated cc:
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D. Shiffer Pacific Gas and Electric Company 77 Beale Street Room 1451 San Francisco, California 94106 Dr. K. R. Perkins Brookhaven National Laboratory
- Upton, Long Island, New York 11973