ML18087A881
| ML18087A881 | |
| Person / Time | |
|---|---|
| Site: | Salem  |
| Issue date: | 04/28/1983 |
| From: | Uderitz R Public Service Enterprise Group |
| To: | Eisenhut D Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8305040262 | |
| Download: ML18087A881 (11) | |
Text
Richard A. Uderitz Public Service Electric and Gas Company P.O. Box 236, Hancocks Bridge, NJ 08038 609 935-6010 Vice President -
Nuclear Di~ector of Nuclear Reactor Regtilatfon U.S. Nuclear Regulatory Corinntsston Washington, D~C~ 20555 April *28, 1983 Attention: Mr. Darrel1 G, Etsenhut, Director Dtvtsion of Lfte~stng Gentlemen:
CORRECTIVE ACTION
SUMMARY
REACTOR TRIP BREAKER PAilURES SALEM GENERATI'NG STATION UNITS NO. l AND 2 DOCKET NOS. 50-272 AND 5b~311 PSE&G hereby transmits, in the enclosure to this letter, a summary listing of short and long term:actfons and compN~tfon schedules related to the reactor trip breaker events of February 22 and 25, 1983.
Most of these actton"oit~s are descf.i*bed tn greater detail in our 1etter of Apri'l 8, 1983,* wlitcf;'.transmitited our supplemental' Corrective Action Program r~port. Other*actton items have been developed through dtscusstons wtth the NRC Staff.
This correcti've actton program-will also be applied to Salem Unit 2, which ts currently schedti1ed.to rettirn to service in June 1983.
The short term ttems that have been comp1 eted prior to startup of Unit l wil1 si*mt11\\r1y be completed prfor to start of Unl't 2.
Stncerely,
Enclosure:
As stated CC:
Mr.
Rfch~rd W. Starosteckf, Director Division of Project and Resident Programs Region I Mr. LAtf Norrholm NRC Senior Resident Ins~ector
~.
,,--8305040262 830428 I
PDR ADOCK 05000272
- S PDR
A.
ITEM*
ATTACHMENT 1 PSE&G CORRECTIVE ACTION REPORT SHORT AND LONG TERM ITEMS EQUIPMENT ISSUES
~.
A.l Determination of Safety Classification of Breakers A.2 Identification of Cause of Failure
- a.
Short-Term Actions
- 1.
Confirm that new UiV trip*attachments on Salem Units 1 & 2 incorporate all design changes made to these devices.
- 2.
Measure and confirm the force required to trip the breakers via the trip bar
. is less than < 31 ounces.
- b.
Long-Term Actions COMPLETION Complete Complete Complete
- 1.
Submit a test program with prov1s1ons for a statistically significant sample to determine the life cycle & replace-ment interval for the UTAs & to verify the adequacy of the new maintenance & surveillance programs used on the reactor trip circuit breakers May 1983
- 2.
Establish a procedure for periodically measuring the force required to trip the breakers.
A.3 Verification Testing Program
- a.
Short-Term Actions
- 1.
- 2.
Manufacturer will electrically test U/V trip attachment on Test CB 25 times.
After installation, U/V trip attachment tested 10 ti mes.
Complete Complete Complete
ITEM
- 3.
- 4.
After installation in appropriate breaker compartment, Response Time Test.
Test for independent operation of UV attachment and shunt trip coil within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> prior to restart from each shutdown.
A.4 Maintenance and Surveillance Procedures
- a.
Short-Term Actions*
- 1.
- 2.
- 3.
- 4.
- 5.
- 6.
- 7.
Resolve breaker cabinet/switchgear room cleaning deficiency.
Revise maintenance procedure and/or other documents to require all replacement U/V attachments to have been successfully tested by the manufacturer 25 consecutive cycles.
cycles.
Provide acceptance criteria in Maintenance Procedure M3Q-2 for ten cycle test that allows NO failures for acceptance.
There will~e a 30-minute interval between each test.
Modify Maintenance procedure M3Q-2, Section 9.8 to include three timing tests and an average time computed for comparison to previous tests.*
Revise Maintenance Procedure M3Q-2, Section 9.7 & other appropriate procedures to require that a sealant be applied to the head of the self-locking screw on the U/V attachment.
Specify in Maintenance Procedure M3Q-2, the acceptable range of U/V coil dropout voltage & actions to be taken if out of specification.*
Lubricate the circuit breakers and UV trip attachments in accordance with W Technical Manual.*
- See attached Table 1.
COMPLETION Complete Complete Complete Complete Complete Complete Complete Complete*
Complete
ITEM
- 8.
- 9.
Perform a trip force measurement on the trip bar of each breaker.*
Modify maintenance procedure to test bypass breakers every 6 months.*
- 10.
Provide_ functional test procedures for UV trip,.shunt trip, and manual scram.*
- 1-1.
Perform monthly reactor trip breaker timing test.~
- b.
Long-Term Actions
- 1.
Propose Technical Specifications to include reporting and Table 1 requirements.
Issuance of technical specification change will supersede Table 1.
COMPLETION Complete Complete Complete Complete Within 30 days of Unit S/U A.5 By July 15, 1983, the licensee shall submit to the Director, Office of Nuclear Reactor Regulation a detailed report describing either how and on what schedule the following actions will be accomplished, or why any of these actions should not be taken.
- a.
Implementing at the Salem facility (Units 1 and 2) the following feature of the proposal by the Industry Group on ATWS submitted on April 23, 1982, on Docket PRM-50-29 (page 10 of Appendix C):
provision of automatic initiation of turbine trip and auxiliary feedwater independent of the reactor protection system;
- b.
Providing at the Salem facility diversity in activating (trip-ping) the reactor scram breakers, for example, by incorporating the breaker shunt trip function into the automatic trip circuits of the reactor protection system.
B.
OPERATOR PROCEDURES, TRAINING, AND RESPONSE B.1 Operating Procedures for ATWS
- a.
Short-Term Actions
- 1.
Identify indications in control room providing positive identifi-cation of reactor trip demand.
- See attached Table 1.
Complete
ITEM
- 2.
Review the basis for ATWS procedure steps and order of priority, revise procedures, as necessary, and train operators.
COMPLETION Complete
- b.
Long-Term Actions
- 1.
Provide detailed description of procedures to ensure operability of SSPS status panel i ndi ca tors.
Complete
- 2.
Provide.schedule for the upgrade program for Emergency Operating Procedures Complete B.2 Operator Training
- a.
Short-Term Action
- 1.
Conduct trajning for operators on revised procedures~
Complete
- 2.
Conduct pract-fcal exer'cise in Control Room of revised procedures.
Complete
- 3.
Conduct wa l kthrough on al arms &
RPS indicators.
Complete
- 4.
Conduct training for auxiliary operators Complete
- 5.
Evaluate trainees* performance against established objectives Complete
- 6.
Review training material and ensure it is current and properly referenced Complete B.3 Operator Response
- a.
Short-Term Action
- 1.
Caution operators in use of J handle control.
- b.
Long-Term Actions
- 1.
- 2.
Replace Reactor Trip Switch with secure handles Modifications to clarify first-out annunciator alarms Complete Complete complete
e.. ~*
ITEM C.
- MANAGEMENT CAPABILITY AND PERFORMANCE C.l Master Equipment List (MEL)
- a.
Short-Term Actions
- 1.
Verify MEL is complete & accurate with re.spect to ECCS, including actuation
- 2.
Instruct appropriate personnel in purpose & use of MEL.
- b.
Long-Term Actions
- 1.
Verify completeness & accuracy of MEL for remaining Q list systems and re-issue as a controlled document.
C.2 Procurement Procedures
- a.
Short-Term Actions
- 1.
PSE&G Sampling review of past procure-ment documents
- b.
Long-Term Actions
- 1.
Evaluate & modify procurement procedures to ensure appropriate classification of items/services important to safety.
C.3 Work Order Procedures
- a.
Short-Term Actions
- 1.
- 2.
- 3.
QA Department review all nonsafety-related work orders prior to starting work.
Conduct a training program to ensure that work orders are properly classified.
Review work orders written since issuance of the MEL for proper classification & evaluat~ safety consequences of those found improperly. classified.
COMPLETION Complete Complete May 1983 Complete July 1983 Complete Complete Complete
ITEM C.4 Post-Trip Review
- a.
Short-Term Actions
- 1.
Develop and implement Post Trip Review Procedure AD-16 C.5 Timeliness of.Event Notification
- a.
Short-Term Actions
- 1.
- 2.
AssigD dedicated communicator to each shift.
Review importance of reporting require-ments with supervisors C.6 Updating Vendor-Supplied Information
- a.
Short-Term Actio11s
- 1.
Update existing -documentation on safety equipment and ensure that vendor docu-mentati~n is under a controlled system.
- 2.
a)
Audit Station files for manuals existence, revision level, and date.
b)
Audit Nuclear Engineering files for manuals existence, revision level, and date.
c)
Compare Station & Nuclear Engineer-ing; Audit and use latest manual revision d)
~ Contact vendors to confirm that manuals are technically current
- Request updated copies Review Westinghouse Technical Bulletins and Data Letters
- b.
Long-Term Actions a)
Audit Station files for manuals existence, revision level, & date b)
Audit Nuclear Engineering files for manuals,existence, revision level, and date.
COMPLETION Complete Complete Complete Complete Complete Complete Complete Complete Complete June 1983 July 1983
ITEM c)
Compare Station & Nuclear Engineer-ing; audit and use latest manual revision d)
Contact vendors to confirm that manuals are technically current, and request updated copies (where identified as more recent) e) *Re vi ~e Stat ion procedures where appropriate f). Index & control new/revised manuals received g)
Develop procedures for controlling vendor manuals C.7 Involvement of Quality Assurance Personnel With Other Departments
- a.
Short-Term Actions
- 1.
- 2.
Retain outside consultant to assess QA program Modify QA organization policy to more fully integrate with overall nuclear activities
- b.
Long-Term Actions
- 1.
Provide additional detail training on processing work orders to re-emphasize QA test/retest requirements C.8 Post Maintenance Operability Testing
- a.
Long-Term Actions
- 1.
- 2.
- 3.
Review and revise AP-9 and other station procedures Complete review of vendor and Engineering recommendations and incorporate necessary changes into departmental documents Incorporate items identified into Inspection Order System COMPLETION Aug. 1983 Dec. 1983 July 1983 Dec 1983 May 1983 Complete Complete September 1983 July 1983 January 1984 Aug. 1983
,---------------------------.,---------------~---
ITEM
- 4.
Complete Managed Maintenance Program C.9 Overall Management Capability & Performance
- 1.
Complete staffing of Nuclear Assurance & Regulation Department
- 2.
Independent assessment of QA
- 3.
- 4.
- 5.
- 6.
- 7.
- Ope rat i ans Impleme~t training program for first~level supervisors Develop training program for senior supervisory level Develop program for periodic
~r regular training for supervisory and managment personnel Develop Technfcal Training Program for non-Station personnel MAC management diagnostic -
final report C.10 Management Reports
- a.
Nuclear Oversight Committee (NOC)
- 1.
- 2.
The NOC will provide copies of its reports to the Senior Vice President, Energy Supply & Engineering, and, at the same time, to the Director of Nuclear Reactor Regulation (NRR).
PSE&G will provide to the Director -
NRR with its response to the report.
- 3.
This prov1s1on will continue in effect until modified by the Director, NRR.
- b.
Management Analysis Company (MAC)
COMPLETION Jan. 1984 Jan. 1984 July 1983 Sept. 1983 Oct. 1983 Spring 1984 Spring 1984 June 1983 Quarterly Within 30 days of receipt of each NOC report.
ITEM COMPLETION
- 1.
PSE&G will provide to the Director - NRR Within 60 days an analysis of each recommendation made of receipt of MAC by MAC, the action to be taken in response appraisal to each, and a schedule for implementation.
-c.
BETA Corporation
- 1.
PSE&G.will submit to the Director - NRR Complete.
a*copy of the review conducted by the BETA Corporation of PSE&G 1 s investigation of the ~vents of February 22 and 25, 1983 and of the corrective action program as described in PSE&G 1s April 8 submittal.
D.
INITIAL STARTUP AFTER FEBRUARY 25, 1983 EVENT Before entering any new mode, all systems and components required to be operable for that mode, in accordance with Technical Specifications, shall be reviewed to confirm operability.
If all or part of a system or component has not been shown to be operable-within.30 days prior to April 28, 1983, a review shall be conducted to determine if maintenance or other activity has taken place on such system* or component since the last operability confirmation.
If such maintenance or other activity has taken place, operability shall be verified by applicable surveillance testing and/or preparation of a written analysis, available for NRC inspection, demon-strating that the system or component is capable of performing its intended funct'ion.
This procedure wi 11 be fo 11 owed unt i 1 the first entry into Mode 1 for each unit subsequent to April 28, 1983.
. 1
TABLE l PERIODIC SURVEILLANCE/MAINTENANCE OF REACTOR TRIP BREAKERS,
PRE-STARTUP
(< 24 hrs)
(Main Trip Breakers)
- 1.
functional test of UV (via SSPS)
- 2.
functional test of Shunt (manual controls)
- 3.
functional manual scram switch (voltmeters)
MONTHLY SURVEILLANCE (Main Trip Breakers)
- 1.
- a.
SSPS functional of UV
- b.
response time testing of UV/breakers (event recorder~)
- 2.
functional test of Shunt (manual controls) 6-MOS.
SURVEILLANCE/MAINTENANCE (Mai~ & Bypass Breakers)
- 1.
response time testing (3 times)
(visicorder) trend data
- 2.
trip bar lift force measurements
- 3.
UV output force measurement
- 4.
drop-out voltage check
- 5.
servicing/lubrication/adjustments
- 6.
repeat testing steps 1-4 i 't
~
L