ML17342A789
| ML17342A789 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 07/17/1987 |
| From: | Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Woody C FLORIDA POWER & LIGHT CO. |
| References | |
| NUDOCS 8707250089 | |
| Download: ML17342A789 (23) | |
Text
ACCESSION NBR FACIL: 50-250 50-251 AUTH. NAME GRACEi J. N.
RECIP. NAME MOODY> C. O.
REGULATORY ORMATION DISTRIBUTION S M (RIDS) 8707250089 DOC.'ATE: 87'/07/17'OTARIZED': NO'OCKET Tuwkeg Point Planti Unit 3i, Florida Power
~ and Light C
05000250 Turkey Point Pianti Unit 4~ Florida Power and Light C
05000251 AUTHOR AFFILIATION Reg ion 2i Office of Director RECIPIENT AFFILIATION Florida Power 84 Light Co.
SUBJECT:
Forwards summary of 870605 enforcement conference re violations concerning inadequate protected h vital area access control 5 emegencg diesel generator sequencer wiring error. Agenda 5 attendance list encl.
DISTRIBUTION"CODE!
IE45D.,
COP'IEE. RECEIVED: LTR j ENCL J.,
BIIE: /
TITLE: Summary of Significant Meeting with Licensee'.
NOTES RECIPIENT ID CODE/NAME PD2-2 LA INTERNAL: AEOD/DO*
DEDRO NRR/DREP/EPB OGC/ROED RES/DE/EIB EXTERNAL:
LPDR NSIC COPIES LTTR ENCL 1
0 1
1 1
1 1
1 1
1.
1 1
1 1
RECIPIENT ID CODE/NAME McDONALDiD AEOD/DSP /TP AB NRR/DLPG/GAB R
- ILRB, REG FIL 02 F ILE 01 NRC PDR COPIES LTTR ENCL 1
1 1
1 1
1 1
1 1
1 1
TOTAL NUMBER OF COPIES REQUIRED:
LTTR 15 ENCL 14
Docket Nos.
50-250, 50-251 License Nos.
DPR-31, DPR-41 Florida Power and Light Company
~ATTN:
Mr. C. 0.
Woody Group Vice President Nuclear Energy Department P. 0.
Box 14000 Juno
- Beach, FL 33408 Gentlemen:
SUBJECT MEETING
SUMMARY
TURKEY POINT NUCLEAR PLANT " DOCKET NOS.
50-250 AND 50"251 This letter refers to the Enforcement Conference conducted at our Region II office on June 5,
1987.
The meeting involved discussions of four separate violations;
- 1) inadequate protected and vital area access
- control,
- 2) Emergency Diesel Generator sequencer wiring errors,
- 3) failure to establish containment integrity during core alterations, and
- 4) inadequate safety evaluation of the conoseal leakage.
Enclosure 1 is your outline of the meeting topics.
Enclosure 2 is a list of attendees.
A It is our opinion that this meeting was beneficial, and provided a better understanding of the enforcement issues and the status of your corrective actions.
In accordance with Section 2.790 of the NRC's Rules of Practice, "Part 2, Title 10, Code of Federal Regulations,"
a copy of this letter and the enclosures will be placed in the NRC's Public Document Room.
Should you have any questions concerning this matter, we will be pleased to discuss them.
Enclosures:
1.
Meeting Summary 2.
Attendance List Sincerely, J
( P~y J I ~"-:aP '
d J.
Nel son Grace Regional Administrator cc w/encls:
(See page 2) 8707250089 870717 PDR ADQCK 05000250 8
Florida Power and Light Company
~Up
~ 19@
cc w/encls:
X> -.
M. Wethy, Vice President Turkey Point Nuclear Plant
-'C. J.
Baker, Plant Manager Turkey Point Nuclear Plant LJ. Arias, Jr.,
Regulatory andCompliance Supervisor bcc w/encls:
LNRC Resident I'nspector Oocument Control Oesk
, State of Florida RII RII Chrf stensen: vyg
'BWi on 7/fs/87
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/87 7 /st&7 RII RII I
LRe$ es 7//5 /87'/
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ENCLOSURE 1
AGENDA ENFORCEMENY CONFERENCE NRC REGlOH )t - ATLANTA,GEORGlA JUNE 8, 1987 SECURITY
- CONTAINMENT ACCESS CONTROL
- VEHICLE SEARCH
- CONTROL ROOM DEVITALIZATION (FIVE MINUTE BREAK)
G. MAYER G. MAYER
- 6. MAYER CONTAINMENT INTEGRITY J. ARIAS OG/SEQUENCER
. DG LOSS OF EXCITATION RELAY AND
- 8 BUS SEQUENCER L. MONTGOMERY AIT - LEAKAGE
- SHIM
- SAFETY EVALUATION J. ARIAS C. BAKER F. PLUGGER
NTAINMENT INTEIQPITY CONTAINMENT INTEGRITY NOT ESTABLISHED PRIOR TO UPPER INTERNALS LIFT o
PROCESS COVERED BY:
- PROCEDURES-
- TECH SPECS CONTROL ROOM (CR) RECEIVED ARM's ALARM o
CR RECEIVED REPORT OF INITIALLIFTING OF UPPER INTERNALS o
SMALL LIKELIHOOD OF ACCIDENT
- FSAR ASSUMPTIONS
- LIFTING RIG IS DESIGNED FOR 3 TIMES ACTUAL
%EIGHT o
'NO REACTIVITY RELEASE DURING ACTUAL EVENT
CONTAINMENT INTEGRITY {Can't) e INADEQUATE PROCEDURE e
IMMEDIATE
- HALTED MOVEMENTS OF UPPER INTERNALS
- ESTABLISHED CONTAlNMENT INTEGRITY
- VERIFIED NO REACTIVITY RELEASE OCCURRENCE SHORT TERM
- REVISED PROCEDURES
- TRAINING
~
EDG PANEL 4C o
JUMPER REMOVED SUPPLYING PONER TQ 427/59 AND 'l40 RELAYS
- UY/OV INPUT TO ANNUNGlATOR DEFEATED
- LOSS OF FIELD INPUT TO EDG LOCKOUT DEFEATED Dl VF ED IDE ED RELAY TRIP CHECKS AS PART OF SCHEDULED PERIODIC RELAY TEST PROGRAM UV/OV FOR ALARM ONLY e
LOSS OF FlELD TRIP PROTECTS EGG INVESTMENT e
EDG FULLY FUNCTIONAL
ED~ PANEL 4012 (Con't)
FIELD CONFIGURATION AND CONNECTION DIAGRAM DIFFERED 9 'HORT TERM
- WIRING CORRECTED
- AS-BUILTPANEL o
LONG TERM
- ENGINEERING PACKAGES WILL INCLUDE PRE-IMPLEMENTATION DRAWINGS FOR FIELD YERIFICATION 2.
WIRE CHECKS OF INSTALLATION 3.
EXPANDED POST-MODIFICATION TESTING
SEQUENCER SB-CS CONTAINMENT SPRAY PUMP LIFTED WIRE DEFEATED 35 SEC DELAYED START FOR SMALLER-RANGES OF SBLOCA WITH LOOP ED 0 AS-BUILT EFFORT INITIATED BY MANAGEMENT ON ALL SEQUENCERS I
I LBLOCA AND LARGER RANGES OF SBLOCA UNEFFECTED WORST SINGLE FAILURE, ONLY 2 ECC's,OPERATE TO MITIGATE CONTAINMENT PRESSURE TRANSIENT
- MANUALSTART REMAINED FUNCTIONAL
- EOP E-0 STEP 14 INITIATES SPRAY
o 0
SEQUENCER 38-CS (Con't)
A E
I WIRE INADVERTANTLYNOT RE-CONNECTED IYE Tl N
o SHORT TERM
- WIRING CORRECTED
- AS-BUILT SEQUENCERS
- VERIFIED INTERNAL WIRING AND FIELD CABLE TERMINATIONS AT SEQUENCER
- SPECIAL SAFEGUARDS TEST e
LONG TERM
- ENGINEERING PACKAGES W)LL INCLUDE:
PRE-IMPLEMENTATION DRAWINGS FOR FIELD VERIFlCATION 2.
WIRE CHECKS OF INSTALLATION 3.
POST-IMPLEMENTATION TESTING REQUIREIIIIENTS
SEQIKCER 38 - CROSS 0 WIRES 9
SIS ON UNIT 3 AFTER LOOP TRIPS U4 8-TRAIN ICN/CCW AND DEFEATS RE-SEQUENCING 6
AS-BUILT EFFORT INITIATED BY MANAGEMENT ON ALL SEQUENCERS 6
AFFECTS ONLY UNIT 4 NflTH SIS ON UNiT 3 POTENTIAL SINGLE FAILURE OF NON ACCIDENT UNIT, LOSS OF A BUS AND NO LOADING OF 8 BUS
- CAPABILITYEXISTED TO MANUALLY LOAD 48 BUS
- EOP E-O STEP 3 RESTORES POSER TO BUS MOST LOADS IMMEDIATELY 2.
ICVf/CCVfAFTER RESULT OF SlS
SEQUENCER 38 - CROSSED WIRES {Con't) 8 PCM 79-145.JUMPER REMOVALS NOT INCORPORATED IN PROCESS SHEET SHORT TERM
- WIRING CORRECTED
- AS-BUILT SEQUENCERS
- VERIFIED INTERNAL WIRING AND FIELD CABLE TERMINATIONS AT SEQUENCER
- SPECIAL SAFEGUARDS TEST O
LONG TERM
- ENG)NEERING PACKAGES WILL INCLUDE:,
PRE-IMPLEMENTATION DRAWlNGS FOR FIELD VERIFICATION 2.
WIRE CHECKS OF INSTALLATION 3.
POST-IMPLEMENTATION TESTING REQUIREMENTS
SEQUENGER 4A SEVERED WIRE IN SGFP 4A I OOP TRIP CIRCUIT W
Di VERED/IDENTIFIEO e
AS-BUILT EFFORT INITIATED BY MANAGEMENT ON ALL SEQUENCERS I
~
PLANT NEVER OPERATED IN THIS CONDITION AFETY SIGNIFICANCE 9
PLANT NEVER OPERATED IN THiS CONDITION SAFEGUARDS TESTING VERIFIED OK AT LAST OUTAGE SEQUENCER NOT OPENED BETWEEN LAST TEST AND TH)S OUTAGE SAFEGUARDS TESTING WOULD HAVE DISCOVERED PROBLEM BEFORE START-UP FROM THIS OUTAGE
SEQUENCER 4A (Con't)
INCORRECT VflRE DETERMINATED DURING CURRENT OUTAGE o
JOB IN PROGRESS AT THE TIME SEQUFNCER'AS AS-BUILT E
Y 6
VflRING CORRECTED
SOURCE OF CONVERSlOH FACTORS USED lN RCS LEAKRATE CALCULATlONS NOT KNO'IgafN NRC INSPECTOR CONCERN e
NO TECH Sr Ee EXCEEDED o
LEAKRATE CALCULATiONS PERFORMED TO TRACK LEAK TRENDS
RCS LEAKRATE CALCULATIOMS{Con't) o SUPPORTING DOCUMENTATION NOT FOUND o
ALL CONVERSION AND CORRECTION FACTORS WERE RE-EVALUATED 6
IMMEDIATE INVESTIGATION WAS INITIATED I
314-OSP-Q4f.f CHANGED TO REFLECT NEN VALUES o
PROCEDURAL INADEQUACY NOT A CONTRIBUTING FACTOR TO CONOSEAL LEAKAGE e
PROCEDURAL INADEQUACY DID NOT INTERFERE WITH CAPABILITYTO DETECT INCREASING TREND IN RCS LEAKAGE 6
RCS LEAKAGE VS. CONOSEAL LEAKAGE
SHINS NOT INDENTIFIED ON PLANT DRAWINGS o FABRICATION GUIDELINES DID NOT EXIST TO CONTROL MATERIAL TYPE AND REPLACEMENT CONOSEAL LEAK INVESTIGATION A ETY I
NIFI AN E
PLANT AT NO TIME OUTSIDE OF DESIGN BASIS T
A E
FPL. DID NOT RECEIVE DIRECT NOTIFICATION FROM NESTINGHOUSE-PREVIOUS POLICY OF PROCEDURES BEING GUIDELINES VS. VERBATIM COMPLIANCE INSTR UCTI0 NS R
I A
NEW CONOSEAL DESIGN e
PEP
- VERBATIM COMPLIANCE POLICY
- CONFIGURATION CONTROI S
- PROCEDURE REVIEW AND UPDATE
- QC REVIEW AND INVOLVEMENT
- EXAMPLES 1.
GASKET AND BOLTS ON CRDM DUCT WORK 2.
EQUIPMENT HATCH 0-RINGS
AITSAFETY EYALUATIOQ o
ASSERTlON SE VfAS NOT ADEQUATE Q
SE DID ADDRESS DIRECT EFFECTS OF LEAK o
IVfA 5250 5, OP1004.1 APPLICABILITYQUESTIONABLE IEN 80-27 5 82-06 ADDRESS BOLT CORROSION DUE TO JOINT LEAK 1
- SE FOCUSED ON POTENTIAL FOR GROSS LEAK DEVELOPING SE DID.NOT ADDRESS SECONDARY EFFECT DUE TO BA RELEASED
- ENGINEERS CONSIDER LEAK MINOR fk NITHIN TECH SPEC LIMITS l
~
SE DID NOT UTILIZE APPROPRlATE BA CORROSlON RATE o
ENGINEERING RECOMMENDED PLANT SHUTDONN IMMEDIATELY
- HIGHER CORROSION RATES POSSIBLE
- RPV HEAD CORROSlON EXPERIENCED AT EUROPEAN REACTOR AFETY I
NIFI N
PLANT WITHIN DESIGN BASIS POTENTIAL FOR BA CORROSION CONFIRMED
e EXPERIENCE OF-ENGlNEERS INVOLVED IN INSPECTION AND SE PROCEDURAL REQUIREMENTS GOVERNING ENGINEERING REVIEW AND APPROVAL OF SE's INVOLVING RCS LEAKAGE o
ENGINEERING'S LACK OF CORRECT BA CORROSION RATE e
REVISE PROCEDURES
- RCS LEAKAGEGUIDELINES
- REVIEW OF TELECON APPROVAL OF SE's
- MULTl-DISCIPLINEAPPROVAL OF SE REVISIONS
- JUNO SUPPORT OF SITE SE's
- RELIANCE ON NSSS e
EMPHASIS ON SE QUALITY
- EXPERIENCED LICENSING ENGINEERS
>> INCREASED LICENSING iNVOLVEMENT
ENCLOSURE 2 LIST OF ATTENDEES ENFORCEMENT CONFERENCE - JUNE 5, 1987 Florida Power and Li ht Com an MD L. Ernst L. A.
Reyes A. F. Gibson J.
P. Stohr A. R.
B. A.
D.
G.
W. E.
G.
R.
D. A.
D.
R.
Herdt Wilson McDonald Cl ine Jenkins Seymour Brewer R. J.
Goddard C. 0.
Woody J.
W. Dickey J.
K. Hays C. J, Baker J. Arias, Jr.
P.
L.
Pace W. Rogers F. Flugger J.
L. Montgomery G.
H. Mayer NRC Group Vice President - Nuclear Vice President - Nuclear Operations Director Nuclear Licensing Plant Manager - Turkey Point Regulation.and Compliance Supervisor, Nuclear Licensing Chief Engineer - Power Plant Manager Technical Licensing Lead Electrical Engineer Security Supervisor Deputy Regional Administrator, RII Director, Division of Reactor
- Projects, RII Director, Division of Reactor
- Safety, RII Director, Division of Radiation Safety and Safeguards, RII Branch Chief, DRS, RII Section Chief, DRP, RII Project Manager, NRR
- Chief, NMSS Branch, RII
- Director, EICS, RII Chemical
- Engineer, NMSS Senior Resident Inspector Turkey Point Regional
- Counsel, RII
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