Letter Sequence Meeting |
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Results
Other: ML20136J106, ML20137W989, ML20140D589, ML20153D518, ML20153D535, ML20154M151, ML20154N307, ML20203N882, ML20206F544, ML20214L542, ML20214L543, ML20214L552, ML20214L559
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MONTHYEARML20214L5421985-12-26026 December 1985
Confirmatory Action Ltr Re Facility Return to Power Operations.Understands Util Will Conduct Root Cause Analysis of 851226 Reactor Trip & Provide Briefing of Assessment & Justification to Resume Power Operations
Project stage: Other
ML20214L5591985-12-27027 December 1985
Forwards Proposed Plan for Facility Augmented Investigation Team.Comments Requested by 851227.Chronological Sequence of Events Re 851226 Event Also Encl
Project stage: Other
ML20136J1061986-01-0505 January 1986
PNO-IIT-86-001A:on 851226,loss of Integrated Control Sys Occurred.Caused by Simultaneous Deenergizing of All Redundant Dc Power Supplies.Licensee Preparing Action Plans for Systematic Troubleshooting.Sequence of Events Encl
Project stage: Other
ML20137J7271986-01-0606 January 1986
Notifies of 860108 Meeting W/B&W Regulatory Response Group in Bethesda,Md to Discuss 851226 Loss of Integrated Control Sys Power & Generic Implications for Other B&W Plants.Info Confirms NRC 851230 Request
Project stage: Meeting
ML20214L5551986-01-0707 January 1986
Forwards Addl Info for Use in Conjunction W/Meeting W/B&W Regulatory Response Group,Including List of Issues That Rancho Seco Incident Investigation Team Has Identified to Date Associated w/851226 Overcooling Event
Project stage: Meeting
ML20214L5521986-01-20020 January 1986
Package of Two Documents Entitled, Action List,851226 Transient
Project stage: Other
ML20140D5891986-01-24024 January 1986
Forwards Schedule for Return to Power Operations from 851226 Transient.Schedule Consists of Comprehensive Action List & Milestone Schedule.Commencement of Power Operation Scheduled for 860308
Project stage: Other
ML20214L5511986-02-0707 February 1986
Notification of Significant Licensee Meeting on 860210 W/Util in Walnut Creek,Ca to Discuss Review of Plant Restart Actions for Facility Following 851226 Event
Project stage: Meeting
ML20153D5351986-02-19019 February 1986
Description & Resolution of Issues Re 851226 Reactor Trip
Project stage: Other
ML20153D5181986-02-19019 February 1986
Forwards Summary Rept, Description & Resolution of Issues Re 851226 Reactor Trip, Supporting Resumption of Power Operation as Scheduled on 860308.Previous Actions Summarized
Project stage: Other
ML20137W9891986-02-24024 February 1986
Forwards Addendum to 860219 Summary Rept Re Resolution of Issues from 851226 Reactor Trip,Replacing Page 41.Addendum Addresses Remote Isolation Capability for Main Steam Lines, Independent of ICS Power & Controls
Project stage: Other
ML20214E3401986-03-0505 March 1986
Requests Review of Encl Tentative Review Assignments for Action Plan for Restart of Plant by 860307.Requests for Addl Info Re Encl Proposed Resolution of Issues Concerning 851226 Event Requested by 860321.W/o Encls
Project stage: Approval
ML20154M1511986-03-0606 March 1986
Staff Requirements Memo Re 860225 Briefing in Washington,Dc Concerning Incident Investigation Team Rept on 851226 Loss of Power in Integrated Control Sys.Schedules for Followup Plan & Assessment Re Lack of Plant Mods Requested
Project stage: Other
ML20214L5431986-03-10010 March 1986
Viewgraphs Entitled, Smud
Project stage: Other
ML20154N3071986-03-12012 March 1986
Forwards Design Basis Rept for Mods to Facility Based on 851226 Transient
Project stage: Other
ML20199D7561986-03-17017 March 1986
Notification of 860324 & 25 Meetings & Plant Trip W/Util in Herald,Ca to Discuss Proposed Plans for Recovery from 851226 Incident.Agenda Encl
Project stage: Meeting
ML20203H2181986-04-14014 April 1986
Summary of 860205 Meeting W/B&W Owners Group in Bethesda,Md Re B&W Owners Group Ongoing Programs & Activities & 850609 & 1226 Transients at Davis Besse & Rancho Seco,Respectively. Attendance List & Handout Incl
Project stage: Meeting
ML20210R9391986-04-23023 April 1986
Summary of 860324-25 Meetings W/Util Re Plans to Recover from 851226 Overcooling Event.Preparation of Comprehensive Recovery Plan,Demonstrating Safe & Reliable Plant Operation, Needed for NRC Restart Approval.Viewgraphs Encl
Project stage: Meeting
ML20210R9331986-04-23023 April 1986
Forwards Summary of 860324-25 Onsite Meetings W/Util Re Plans for Recovery from 851226 Overcooling Event. Comprehensive Restart Rept,Demonstrating Correction of Plant Design Programmatic & Organizational Deficiencies,Expected
Project stage: Meeting
ML20203N8821986-04-24024 April 1986
Discusses NUREG-1195, Loss of Integrated Control Sys Power & Overcooling Transient at Rancho Seco on 851226. Minor Technical Corrections to & Comments on Misperceptions in Incident Investigation Team Rept Encl
Project stage: Other
ML20210N9891986-04-25025 April 1986
Responds to 860313 Memo Re Identification & Assignment of Responsibilities for Generic & plant-specific Actions Resulting from Investigation of 851226 Incident.Summary of Plans,Schedule,Status & Draft Action Plan Encl
Project stage: Draft Other
ML20198B8301986-05-12012 May 1986
Comments on Adequacy,Scope & Direction of 860418 Meeting W/ Util Re Plant Performance & Mgt Improvement Program Addressing Broad Range of Issues Affecting Restart & Safe & Reliable Operation in Response to 851226 Transient
Project stage: Meeting
ML20198B4341986-05-14014 May 1986
Summary of 860418 Meeting W/Util in Bethesda,Md Re Util Proposed Plant Performance & Mgt Improvement Program in Light of 851226 Transient.List of Attendees & Viewgraphs Encl
Project stage: Meeting
ML20206F5441986-05-29029 May 1986
Forwards List of Open Items,Including 851226 Overcooling Event Concerns,Requiring Util Action Per 860523 Telcon.Items Listed in Areas a & B Should Be Addressed in Restart Rept
Project stage: Other
ML20214L5481987-05-30030 May 1987
Agenda for 860210 Meeting W/Nrc to Discuss Facility 851226 Transient
Project stage: Meeting
1986-03-12
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March' 17,1986 hbhk-Docket No. 50-312 MEMORANDUM FOR: John F. Stolz, Director, PWR Project Directorate #6 Division of PWR Licensing-B j
Sydney Miner, Project Manager, PWR Project Directorate #6 i
FROM:
Division of PWR Licensing-B p
t
SUBJECT:
FORTHCOMING MEETING WITH SACRAMENTO MUNICIPAL UTILITY DISTRICT REGARDING RANCHO SEC0 NUCLEAR GENERATING STATION
[
Time &LDate:
March 24 and 25, 1986
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'8:30am-5:00pm.
-Location:
Rancho Seco Site Herald, California
Purpose:
Meeting to brief senior NRC staff regarding SMUD's proposed plans for recovery from December 26,.1985 incident and plant trip.
Requested
Participants:
NRC-HDenton, FMiraglia,'SMiner, GEdison, JCalvo, JWermiel IE-JTaylor, HBailey Region V-JMartin, DKirsch, JCrews, AMiller, WAlbert, GPerez l
Licensee-DLowe, RRodriguez, et al.
~ N E 611 S.E E [T/;"
Sydney Miner, Project Manager i
PWR Project Directorate #6 Division of PWR Licensing-B cc: See next page ie
.i PBD#6 SMine 3//7/86 2
pu " nan 8%%a S
i
MEETING NOTICE DISTRIBUTION PWR PROJECT DIRECTORATE #6 NR L PDR
~PBD-6'Rdg Project Manager-SMiner.
ORAS-HDenton OELD-
.EJordan BGrimes JPartlow (Emergency Preparedness only)
Receptionist NRC Participants HDenton FMiraglia SMiner GEdison
-JCalvo
~JWermiel JTaylor HBailey JMartin DKirsch.
JCrews AMiller WAlbert GPerez ACRS-10 OPA N01sen, P-428 Regional Adm.inistrator Region-V Resident inspector
AGENDA - NRC/SMUD MEETING-RANCHO SEC0 Monday March 24, 1986 OM_
1.
Introduction a)
Brief Introduction to SMUD organization b)
Agenda overview 3/24-25/86 c)
SMUD plans-and schedules for Rancho Seco recovery 2.
December 26, 1985 Incident a)
Brief description of AFW and MFW system b)
Brief outline of-the overcooling event and root cause 3.
Instrumentation and Control a)
Description of the ICS b)
Description of the NN!
4.
Modifications a)
Major modifications to be completed prior to start-up b)
EFIC system description and schedule for implementati.on 5.
Maintenance and Q/A a)
Brief description of' maintenance program b)
Brief description of Q/A program; configuration management 6.
Inspection of RCP shafts for possible cracking in light of CR-3 and 08-1 experience on Byron-Jackson RCP's.
_EM
~ Plant Tours (two separate t'ours) a)
Tour of Equipment and Systems involved in the-December 26, 1985 event b)
Tour of Maintenance and Q/A; ' configuration management Tuesday March 25, 1986
' Action Plan Areas of Concern 1.
Plant Mechanical, Electrical and Control System Deficie1cies a) loss of DC power to ICS b) plant response on loss of ICS c) makeup /HPl puraps water supply d) effects of overcooling on RV and SG e) flooding of main steam headers i
2.
Plant Maintenance and Surveillance 3.
Systems Testing Prior to Startup 4
Training and Operator Performance
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4,
5.
Normal and Emergency Procedures 6.
Human Engineering Deficiencies 7.
Retrospective Considerations a)
FSAR accident analysis b) plant mods to B&W plants regarding EFW improvements and minimizing effects of ICS induced transients c) reevaluation.of BAW-1564; IEB 79-27; NUREG-0667; Feb. 80 CR-3 event; March 84 Rancho Seco event; BAW-1791 8.
Summary NOTE 3:00-3:30pm Scheduled press conference with NRC Management.