ML20148D949
| ML20148D949 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom, Salem, Palo Verde, Indian Point, Catawba, Wolf Creek, Oyster Creek, Braidwood, Susquehanna, Prairie Island, Diablo Canyon, Vogtle, 05000000 |
| Issue date: | 03/15/1988 |
| From: | Lanning W Office of Nuclear Reactor Regulation |
| To: | Rossi C Office of Nuclear Reactor Regulation |
| References | |
| OREM-88-011, OREM-88-11, NUDOCS 8803240393 | |
| Download: ML20148D949 (17) | |
Text
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o, UNITED STATES
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NUCLEAR REGULATORY COMMISSION 3
j WASHlfJGTON, D. C. 20555
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A 15 $86 flEMORANDUM FOR: Charles E. Rossi, Director Division of Operational Events Assessment Office of Nuclear Reactor Regulation FROM:
Wayne Lanning, Chief Events Assessment Branch Division of Operational Events Assessment Office of Nuclear Reactor Regulation
SUBJECT:
THE OPERATING REACTORS EVENTS MEETING March 15, 1988 - MEETlHG 88-11 On March 15, 1988 an Operating Reactors Events meeting (88-11) was held to brief senior managers from NRR, RES, AEOD and Regional Offices on events which occurred since our last meeting on March 8, 1988. The list of attendees is included as Enclosure 1.
The events discussed and the significant elements of these events are presented in Enclosure 2. presents a tabulation of long-term followup assignments to be completed, two events suggested for long term followup, and a summary of reactc,r scrams. One significant event was identified for input to NRC's perfornance indicator program.
- ea Wayne Lanning, Chie Events Assessment Branch Division of Operational Events Assessment Office of Nuclear Reactor Regulation
Enclosures:
As stated j
cc w/Encle.:
See Next Page q\\
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cc:
T. hurley J. Sniezek F. Miraglia J. Forsyth, INP0 E. Jordan K. Jabbour E. Beckford H. Thadani-W. Russell,-RI W. Butler B. Davis, RIII J. Nelson Grace, Rll R. D. Hartin, RIV J. B. Martin, RV W. Kane, RI L. Reyes, RII
.E. Greenman, Rlil J. Callan, RIV D. Kirsch, RV S. Varga D. Crutchfield B. Boger G. Laines G. Holahan L. Shao J. Partlow B. Grimes F. Congel E. Weiss S. Black T. Martin J. Stone R. Hernan H. Bailey J. Guttmann A. Thadani S. Rubin
_,--,,,_...._,-..--__--.-.w_.
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o ENCLOSUREj LIST OF ATTENDEES OPERATING __ REACTORS EVENTS BRIEFlfiG (68-11)
March 15, 1988 NAME ORGANIZATION NAME ORGANIZATION P. Baranowksy NRR/00EA R. Lobel NRR/00EA C. Schulte.n NRR/D0EA S. Varga NRR/DRP M.L. Rearoon hRR/DOEA G. Klingler NRR/PHAS W. Jensen flRR/DOEA C.E, Rossi NRR/DOEA B. Boger NRR/ADRI J. Roe NRR/DLPQ D. Hood NRR/PD 2-S J. Thompson NRR/00EA R. Wright NRR/DRSP K. Eccleston NRR/ADR-2 E. Grimes NRR/DRIS C. Berlinger NRR/00EA W. Minners RES/DRPS F.J. Miraglia NRR/ADP S. Rubin AEOD/D0A J. Zwolinski NRR/DLPQ C. McCracken NRR/EAD G.E. Gears OSP E.G.Adensam NRR/DRPR T.f t. Novak AEOD/DSP l
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.p ENCLOSURE 2 OPERATING REACTORS EVENTS BRIEFING 88-11 LOCATION:
12-B-11 WHITE FLINT TUESDAY, MARCH 15, 1988, 11:00 A.M.
THIS INFORMATION MAY ALSO BE OBTAINED BY DIALING EXTENSI0n 21449, CATAWBA 1 8 2 DEGRADATION 0F SERVICE WATER S STEM BY MARINE SHELLFISH I
MhXES FEEDWATER SYSTEM INCPERABLE MULTI PLANTS LEAL' AGE PROBLEMS P
SUS 00EHANNA 2 DEGRFDATION OF INSULATIONi COVEFiNGS INSIDE CONTA!NMENT 1
d 4
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. _,., - - _ ~. _ _. _ _ _ _ _ _ - -,..., _. _ _ _ -. - -...
CATAWBA 1 g ?
DEGRADATION OF SERVICE WATER SYSTEM BY MARINE SHELLFISH MAKES FEEDWATER SYSTEM INOPERABLE t
MARCH 9, 1988 PROBLEM DEGRADED FLOW TO THE "A" AFW PUMP CAUSED BY ASIATIC CLAMS IN SERVICE WATER SYSTEM, SIGNIFICANCE POTENTIAL LOSS OF BOTH TRAINS OF THE AUXILLARY FEEDWATER SYSTEM AND OTHER SERVICE WATER-COOLED EMERGENCY SYSTEMS, ALSO APPLICABLE TO UNIT 1, DISCUSSION c
MARCH 9, 1988 - FEEDWATER TRANSIENT RESULTED IN SG "B" REACHING THE LOW-LOW LEVEL AND CAUSING A R
- TRIP, x
o BOTH AFW PUFPS AUTO STARTED, o
"A" TRAIN AFW SWITCHED TO NllCLEAR SERVICE WATER HEADER, REASON UNKNOWN.
FLOW RATES (AFTER 20 MIN ) UERE APPROX 100 GPM TO SG's "A" e "B",
SG's "C" & "D" NOT AFFECTED, o
CAUSE OF DEGRADED FLOW FOUND TO BE ASIATIC CLAMS BLOCKING 1/3 0F H0LES IN STRAINER TO AFW PUMP "A",
o AIT TEAM SENT TO SITE ON 03/10/88, o
LICENSEE BELIEVES PROBLEM L!MITED T0. STAGNANT PIPE LINES, o
OTHER POSSIBLE AFFECTED LINES THAT ARE SAFETY-RELATED (AND STAGNANT)
ARE (1) SW TO TURBINE-DRIVEN Oil COOLER ON TD AFW PUMP, AND (2)
CONNECTION TO PRESSilRIZATION SYSTEM FOR CONTAINMENT ISOLATION, o
LICENSEE HAD NO PROGRAM IN PLACE TO SPECIFICALLY ADDRESS B10 FOULING, o
CHLORINATION NOT PERMITTED BY STATE WATER AUTHORITY, o
SERVICE WATER TO AFW WAS TESTED FOR VALVE OPERABILITY NOT FLOW
- RATE, o
LICENSEE DID ROUTINE CLEANING TO SAFETY-RELATED HEAT EXCHANGERS, o
REGION II HAS ISSUED A CAL TO LICENSEE, CONTACT:
J THOMPSON
REFERENCE:
50,72 #11704
FOLLOWUP o
THE AIT INVESTIGAT10t,' IS CONTINUING.
o McGUIRE WAS NOTIFIED OF THE CATAWBA EVENT AND THEIR INSPECTIONS DID NOT REVEAL ANY PROBLEMS WITH THEIR OPEN WATER SYSTEMS,
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fiULTI PL ANTS LEAKAGE PROBLEMS LICENSEE RESPONSE TO REACTOR COOLANT LEAKS OF LESS THAN 1.0 GPM PROBLEM SMALL REACTOR SYSTEM LEAKS, S10NIFICANCE o
SMALL LEAKS ARE A C0t1 MON OCCtIRRENCE.
o NEW DATA BY WESTINGHOUSE INDICATES FASTER BORIC ACID CORROSION, e
BORIC ACID CORROSION HAS BEEN A PROBLEM AT TURKEY POINT 4, SALEM 2, AN0 2, AND SAN ONOFRE 2, LEAK RATE 8 PLANT DATE LOC ATI.QF LICENSEE ACTION WOLF CREEK 1-5 VESSEL HEAD CLOSED OFF LEAK DETECTION INNER 0-RING TUBE AND CONTINilED OPERATION, WOLF CREEK 1-25 BOTH VESSEL PLANT SHUTDOWN 0-RINGS HEAD 0-RINGS REPLACED.
SAI.EM 1 1-7 CONTROL ROD PLANT TAKEN FROM MODF ?
DRIVE SEAL TO MODE 5 FOR REPATR, WELDS PALO VERDE 1 1-11 REACTOR TAKEN FROM MODE 3 TO COOLANT PUMP MODE 5 FOR REPATR.
SHAFT SEALS i
CONTACT:
v', JENSEN
REFERENCES:
MORNING REPOPTS OF JANUARY 8, 11, 14, 25, FEBRUARY 12, 26, MARCH 1, 3, 11 AND PRELEMINARY NOTIFICATION PNO-88-06 0F JANUARY 22, 1988, AND MARCH 12, 1988 50,72 #11741.
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LEAK RATE s-PLANT-DAIE LOCATION LICENSEE ACTION V0GTLE 1 1-23 3/4 INCH PLANT.TAKEfl FROM MODE 3 SAFETY VALVE TO MODE 5 FOR REPAIR, DRAIN IP 2 2-11
.002 GPM METAL B0X INSTALLED TO CONOSEAL ON CATCH LEAK, CONTINUED VESSEL HEAD OPERATION, BRAIDv.'00D 1 2-25 REACTOR PLANT TAKEN FROM MODE 3 COOLANT PUMP TO MODE 5 FOR REPAIR, SHAFT SEALS PRAIRIE ISLAND 3-10
.08 GPM PLANT SHUTDOWN, INSTRUMENT LINE CANOPY WELD DIABLO CANYON 1 3-12 MINIMAL SEAL PLANT IN MODE 5 AND WELD LEAKAGE EVALUATING, AT CRDM l
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STANDARD TECHNICAL SPECIFICATION FOR LEAKAGE LIMITS 3.4,6,2 REACTOR COOLANT SYSTEM LEAKAGE SHALL BE LIMITED T0:~
A.
N0 PRESSURE B0UNDARY LEAKAGE, B,
1 GPM UNIDENTIFIED LEAKAGE, c.
1 GPM TOTAL PRIMARY-TO-SECONDARY LEAKAGE THROUGH ALL STEAf1 GENERATORS NOT ISOLATED FROM THE REACTOR COOLANT SYSTEM AND (500) GALLONS PER DAY THROUGH ANY ONE STEAM GENERATOR NOT ISOLATED FROM THE REACTOR COOLANT SYSTEM, D.
10 GPM IDENTIFIED LEAKAGE FROM THE REACTOR COOLANT SYSTEM, AND E.
40 GPM CONTROLLED LEAKAGE AT A REACTOR COOLANT SYSTEM PRESSURE OF 2235 20 PSIG.
F.
1 GPM LEAKAGE AT A REACTOR COOLANT SYSTEM PRESSURE OF 2235 t 20 PSIG FROM ANY REACTOR COOLANT SYSTEM PRESSURE ISOLATION VALVE SPECIFIED IN TABLE 3.4-1.
PRESSURE BOUNDARY LEAKAGE 1,19 PRESSURE B0UNDARY LEAKAGE SHALL BE LEAKAGE (EXCEPT STEAM GENERATOR TUBE LEAKAGE) THROUGH A NONISOLABLE FAULT IN A REACTOR COOLANT SYSTEM COMPONENT BODY, PIPE WALL, OR VESSEL WALL, CONTACT:
W. JENSEN
SUSQUEHANNA UNIT 2 DEGRADATION OF INSULATION C0VERINGS INSIDE CONTAINMENT MARCH 14, 1988 PROBLEM DELAMINATION OF ALUMINUM F0ll COVERING ON INSULATION C0VERINGS INSIDE CONTAINMENT.
SIGNIFICANCE POTENTIAL SOURCE OF ECCS, RHR RECIRCULATION FLOW BLOCKAGE, DISCUSSION o
WALKDOWN OF UNIT 2 INSIDE CONTAIMENT DURING PEFUELING OUTAGE, DISCOVERED EXTENSIVE DELAMINATION OF ALUMINUM F0ll COVERING ON PIPE INSULATION, i
o INSULATION CONSISTS OF FIBERGLASS BATS COVERED BY ALUMINUM F0ll (1 MIL THICK),
o APPROXIMATELY 5000 FT2 (UPPER BOUND) IN UP TO 300 LOCATIONS, o
SUPPLIED BY ALPHA ASSOCIATES THROUGH BECHTEL, FOLLOWUP o
LICENSEE TO FILE PART 21.
O EAB DETERMINING GENERIC APPLICABILITY, E
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P. BARAN0WSKY l
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EM1_D9JE 3 LGBTEFf1 FCLLChtP ASSI&tTNTS TO EE CO*FtETED LOGTERi Fn I rhA.FS GITST/NDIN3 mtVNIZATICN 02/16/88 02/23/88 03/01/88 03/08/88' 03/15/98 MOD 0
0 1
1 l'
EAD 2
2 2
2 2
EMTB O
1 O
O 1
ESGB 1
1 1
1 1
H.FB 1
1 1
1 1
ICSB 2
2 2
2 2
OGCB 1
1 1
1 O
OTSB 1
1 1
1 1
FD2-2 1
1 1
1 1
FD2-3 1
1 1
1 1
FD3-2 1
1 1
1 1
FD5 2
2 2
2 2
RIII i
1 1
1 1
RVIB 4
3 2
2 3
EELB 5
6 5
5 5
eft B 5
5 5
5 5
ERXB 3
4 3
3 4
TOTAL 31 72 30 20 32
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l 02/14/65 FERFCRPANCEIN!!CATOR$SIEN!FICANTEvintS'
~FLANT Nt.PE EVENT EVENT LESCRIFilCN QTRS13%IFICANCE EATE 08%i A 1 03/09/81 Rt TRIP ME TO L-L C9 ' A' S/6. AFW FM 'A' AUTO SW!iCH 1 F0iENTIAL CCR OR ACTU4L IE!U:.?IC4 TO SERVICE WATER SYSTEM, FLCW LESPAtAT10h 10100 SM CF SAFETY-; ELATED E WIP"ENT CAUSEt BY ASIAi!C CLAP.S PLOCKINS A 1NIRO OF THE STRAl%ER FXES (6 tesia 2 -
0!!09/93 RI TRIP DUE T3 L-L CN 'A' S/S. AFW FLPP 'A' AUTO SWITCH 1 PCTEMI'd FOR CR Ati','AL !ES: A!!i!CN TO SERVI:E WATER !YSTE*, FLCW lESS.A!ATICN TO 100 SFR Of EA.FETY-RELATE 3'E h!*P.ENT CA'JSED SY ASIATIC CLAMS fl,0Ci:!Ni A thlFD OF TEE STRAINER HCLES f
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PLANT SPECIFIC DATA BASEC Ch INITIAL REVIEl! 0F EC.72 REPORTS FOR ThE WEEK OF INTEREST.
PERIOD 15 MIDNIGHT SUNDAY THROUGH MIONIGHT: SUNDAY SCRAMS ARE DEFINED AS REACTOR PROTECTIVE ACTUATIONS WHICH RESULT IN ROD MOTION, AND EXCLUDE PLANNED TESTS OR SCRAMS AS PART OF PLANNED SHUTDOWN IN ACCORDANCE WITH A PLANT PROCEDURE.
THERE ARE 109 REACTORS HOLDING AN OPERATING LICENSE.
2.
COMFLICATIONS: RECOVERY COMPLICATED BY EQUIPMENT FAILURES OR PERSONNEL ERRORS UhRELATED TO CAUSE OF SCRAM.
3.
PERSONNEL RELATED PROBLEMS INCLUDE HUMAN ERROR PROCEDURAL DEFICIENCIES, AND KANUAL STEAM GENERATOR LEVEL CONTROL PROBLEMS.
4.
"0THER" INCLUDES AUTOMATIC SCRAMS ATTRIBUTED TO ENVIRONMENTAL CAUSES (LIGHTNING), SYSTEM DESIGN, OR UNKNOWN CAUSE.
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REACIDA SCRt.n S.,
AAY' 9
biEA D?lr6 03/13/3
- 1. FJ5,1 iEF:C BATA Wit SITE Ur.; 'hi5 PM FdE C?.;tl-YTD ffD Vil,
CATIONS A90YE RELOW p iAL -
151 131 i T
.g 03/09/06 HARRIS 1 100 A EDU!FMENT NO 1
4' ~
t 03/09/BiCATAWM 2
21A EWIPMENT YES 1
0 1
03/09/96LASALLE 2
85A EQUIPMENT NO 1
0 1
03/10/88 6thA 1
22 A PERSONNEL NO 1
1 2
03/10/98 SURRY l
1M EGulPMENT NO 1
1 2
03/11/88 BRAltW3CD 1
0M EOUIPMENT NO 0
1 1
03/12/88 SOUTH TEIAS 1
0M PERS0hKEL WO 0
2 2
'03/12/89 MILLSicki l 100 A EQUIPMENT ND t
0 1
03/12/B8 BRA!!W3.00 2
0M PERSOGEL NO 0
2 2
03/13/89 LASALLE*
15 M PERS0WEL N3 0
1 1
03/13/80 NINE MILE PT 2
98 A E9UIPMENT N0 3
0 3
SUMMARY
OF C0tFLICAi!DNS, SITE UWli CORFtlCATIONS CATAW1A 2 RI TRIP Dtt TO L-L LEVEL ON 'A' S/6. AFN PUMP 'A' AUTO SuliCH TO SERVICEWA SYSTEM, FLOW DEBRAMT10N 10100 SPM CAUSD BY ASIATIC CLAMS BLOCKIN6 A THIRD OF THE STRAINERHOLES l
t
i W 1 5 1988 MEMORANDUM FOR: Charles E. Rossi, Director Division of Operational Events Assessment Office of Nuclear Reactor Regulation FROM:
Wayne Lanning, Chief Events Assessment Branch Division of Operational Events Assessment Office of Nuclear Reactor Regulation
SUBJECT:
THE OPERATING REACTORS EVENTS MEETING March 15, 1988 - MEETING 88-11 On March 15, 1988 an Operating Reactors Events meeting (88-11) was held to brief senior managers from NRR, RES, AEOD and Regional Offices on events which occurred since our last meeting on March 8, 1988. The list of attendees is included as Enclosure 1.
The events discussed and the significant elements of these events are presented in Enclosure 2. presents a tabulation of long-term followup assignments to be completed, two events suggested for long term followup, and a summary of reactor scrams. One significant event was identified for input to NRC's perfornence indicator program.
Wayne Lanning, Chief Events Assessment Branch Division of Operational Events Assessment Office of Nuclear Reactor Regulation
Enclosures:
As stated cc w/Enclo.:
See Next Page DISTRIBUTION Central File EAB Reading File Circulating Copy EAB Staff MLReardon, EAB D0udinot, CAB j
LKilgore, SECY, PDR i
s /
l OFC :EAB:NRR
- C:
' NAME :MLRearden
- W t:
i.....:..--.-------:..-..-.--.-:..........--:------------:----....---.:---.----- --:-----------
l,DATE :03/
/88
- 03/
/
18 l
OFFICIAL RECORD COPY l
f a
- g;i5im MEMORANDUM FOR
Charles E. Rossi, Director Division of Operational Events Assessment Office of Nuclear Reactor Regulation FROM:
Wayne Lanning, Chief Events Assessment Branch Division of Operational Events Assessment Office of Nuclear Reactor Regulation
SUBJECT:
THE OPERATING REACTORS EVENTS MEETING March 15, 1988 MEETING 88 11 On March 15, 1988 an Operating Reactors Events meeting (88-11) was held to brief senior managers from NRR, RES, AEOD and Regional Offices on events which occurred since our last meeting on March 8,1988. The list of attendees is included as Enclosure 1.
The events discussed and the significant elements of these events are presented in Enclosure 2.
The Enclosure 3 presents a tabulation of long-term followup assignments to be completed, two events suggested for long term followup, and a summary of reactor scrams. Two significant events were identified for input to NRC's performance indicator program.
Wayne Lanning, Chief Events Assessment Branch Division of Operational Events Assessment Office of Nuclear Reactor Regulation
Enclosures:
As stated cc w/Enclo.:
See Next Page DISTRIBUTION Central File EAB Reading File Circulating Copy EAB Staff MLReardon, EAR 00udinot, EAB LKilgore, SECY, PDR OFC :EAB:NRR
- C:EAB:NRR r
NAME :ML ardo
- Wlanning DATE 203//2f/88
- 03/
/88 OFFICIAL RECORD COPY i
i
,-.