ML20030A897
| ML20030A897 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point, Palisades File:Consumers Energy icon.png |
| Issue date: | 07/20/1981 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| References | |
| REF-GTECI-A-44, REF-GTECI-EL, TASK-A-44, TASK-OR LSO5-81-07-057, LSO5-81-7-57, NUDOCS 8107290161 | |
| Download: ML20030A897 (51) | |
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p ND k[uj July 20. 1981 Tc, 1
DocketNosf y
and 50-255 JUL 2 4gggjp.
LS05-81-07-057 E
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I Mr. David P. Hoffhan
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Nuclear Licensing Administrator g
W Consumers Power Company M
1945 West Parnall Road Jackson, Michigan 49201
Dear Mr. Hof(man:
Subject:
Information Request Regarding Station Blackout, Unresolved Safety Issue A-44, Big Rock Point and Palisades The NRC staff is currently addressing Unresolved Safety Issue (USI)
A-44 Station Blackout. The purpose of this work is to establish the safety significance of an event resulting in a loss of all alternating current power and, if significant, to consider the need for any specific r
changes. Over the past several years information requests have been forwarded which requested infomation that is being used in the USI analysis. Your interest and cooperation in the past have been appreciated.
j i
At this time the USI A-44 offort is being directed toward determining the reliability of the onsite standby diesel. generators. The anclosed questionnaire has been prepared to provide accurate operating experience i
to serve as a basis for such a determination. More specifically, its purpose is to obtain more detailed data than were available in previous diesel generator studies such as AEC-00E-ES-002, NOREG/CR-0660, and NUREG/CR-1362.
The questionnaire (enclosure 1) requests information in tabular form and solicits data for the years 1976 through 1980, inclusive. There are four tables enclosed:
(1) Diesel Generator Operatibns Data, (2) Diesel Generator Scheduled Down Time Record, (3) Diesel Generator Unscheduled Down Time Record, and (4) Onsite Emergency Diesel Generator and Auxiliary Equipment Modification Record. Also enclosed are examples of completed tables as well as a clarification of what should be enterM. Please note that, although it may appear that only Licensee Event Report (LER) information is sought, data on all diesel generator malfunctions, independent of whether an LER was prepared, is requested. -
Please find enclosed LER documentation (enclosure 2) presently docketed for your facility. You are requested to review these and to indicate if there are other reports which have no been enclosed. Finally, please
" dad anclnsed a copy of the appropriate portions of your response (enclosure 8107290161 810720 hDRADOCK 05000155 t'DR omca>
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omey I wac ronu sia tio-ao> nacu ono OFFICIAL RECORD COPY uso m i.u m oea
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s Mr. David P. Hoffman July 20, 1981
- 3) to our letter of March 6,1978 which requested related, but different, information. This is being forwarded for your.infomation only and should aid in preparing Tables 1 through 4.
/
In consideration of the tire and effort necessary to obtain this infonnation, the completion of Table 4 should be considered voluntary. However, it should be noted that if operational and hardware modifications are not identified, the positive or negative influence of these features on emergency alternating current power reliability may be lost in the evaluation of the data. The expected effect is that our generic reliability estimates av Fe lower than that which actually exists.
TheaboveinformationisrequestedinaccordancewithSections103.b.(3) and 161.c of the Atomic Energy Act of 1954, as amer.ded. To meet our schedule requirements for the resolution of U3I A-44 and to incorporate as much real experience as possible into the reliability model for emergency power systems, it is requested that your response be provided within 120 days of the receipt of this letter. However, if this schedule is inconsistent with priority requirements for other licensing work, please provide us with your proposed date of response within 30 days.
We plan to complete our analysis of this data by February 1982. Your data should be provided by that time so that an accurate assessment of onsite alternating current power sources can be made.
Mr. P. Baranowsky has been designated Task Manager for USI A-44. Should you have any questions, please feel free to contact him at (301) 443-5921. Your time and efforts are appreciated.
DISTRIBUTION Docket Files 50-155/255 OELD Sincerely,
I&E (3)
TERA D. Crutchfield OW W W W$
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i D. Eisenhut H. Smith ennis M. Crutchfield, Chief l
R. Purple ACRS (10)
Terating Reactors Branch #5 G. Lainas J. Heltem s Division of Licensing l
J. Roe P. Norian l
Enclosures:
K. Kniel l
As Stated F. Schroeder l
T. Murley cc: w/ enclosures P. Baranowsky See next page J. Butts l
This request for information was approved by the Office of Management and Budget under clearance. number 3150-0067 which expires May 31, 1983.
Coments on burden and duplication may be directed to the Office of Management,and Budget, Washington, D. C.
20503.
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July 20, 1981 Occket Nos. 50-155 and 50-255 L'07-057 Mr. David P. Hof' man Nuclear Licensing Administrator Consumers Power Company 1945 ' dest Parnall Road Jackson, Michigart 49201
Dear Mr. Hoffman:
Subject:
Infomation Request Regarding Station Blackout, Unresolved Safety Issue A-44, Big Rock Point and Palisades The NRC staff is curcently addressing Unresolved Safety Issue (USI)
A-44, Station Blackout. The purpose of this work is to esta 'sh the safety significance of an event resulting in a loss of all a..rnating current power and, if significant, to consider the need for any specific changes. Over the past several years information requests have ';een forwarded which requested information that is being used in the USI 4
analysis. Your interest and cooperation in the past have been appreciated.
At this time the USI A-44 effort is being directed toward detemining the reliabilicy of the onsite standby diesel generators. The enclosed questionnaire has been prepared to provtdc accurate operating experience to serve a:: a basis for such a determination. More specifically, its purpot.e is to obtain more detailed data than were available in previous diesel generator studies such as AEC-00E-ES-002, NUREG/CR-0660, and NUREG/CR-1362.
The questionnaire (enclosure 1) requests infomation in tabular fom and solicits data for the years 1976 through 1980, inclusive. There are four tables enclosed:
(1) Diesel Generator Operations Data, (2) Ofesel Generator Scheduled Down Time Record, (3) Diesel Generator Unscheduled Down Time Record, and (4) Onsite Emergency Diesel Generator and Auxiliary Equipment Modification Record. Also enclosed are examples of completed tables as well as a clarification of what should be entered. Please note that, although it may appear that only Licensee. Event Report (LER) infomation is sought, data on all diesel generator malfunctions, independent of whether an LER was prepared, is requested.
Please find enclosed LER documentation (enclosure 2) presently docketed for your facility. You are requested to revied these and to indicate if there are other reports which have net teon enclosed. Finally, please find enclosed a cooy of " 3 appropriar.e portions of your response,(enclosure
-.,--~,.,-..--, _ - -, _... -,- -- -
I Mr. David P. Hoffman July 20, 1981
- 3) to our letter of March 6,1978 which requested related, but different, information. This is being forwarded for your information only and should aid in preparing Tables 1 through 4.
In consideration of the time and effort necessary to obtain this information, the completion of Table 4 should be considered voluntary. However, it should be noted that if operational and hardware modifications are not identified, the positive or negative influence of these features on emergency alternating current power reliability may be lost in the evaluation of the data. The expected effect is that our generic reliability estimates may be lower than that which actually exists.
The above information is requested in accordance with Sections 103.b.(3) and 161.c of the Atomic Energy Act of 1954, as amended. To meet our schedule requirements for the resolution of USI A 44 and '.s incorporate as much real experience as possible into the reliability model for emergency power systems, it is requested that your response be provided within 120 days of the receipt of this letter. However, if this schedule is inconsistent with nriority requirements for other licensing work, please provide us wit your proposed date of response within 30 days.
We plan to complete ci.
analysis of this data by February 1982.
- Your data should be provided by that time so that an accurate assessment of onsite alternating current power sources can be made.
Mr. P. Baranowsky has been designated Task Manager for USI A-44.
Should you have any questions, please feel free to contact him at (301) 443-5921. Your time and efforts are appreciated.
Sincerely, d
M Dennis M. Crutchfield, Chief Operating Reactors Branch #5 Division of Licensing l
Enclosures:
As Stated cc: w/ enclosures See next page This recuest for information was soproved by the Office of Management l
i and Sudget under clearance number 3150-0067 which expires May 31, 1983.
Comments on burden and duplication may be directed to the Office of Management and Budget, Washington, D. C.
20503.
Mr. David P. Hoffman 3-July 20, 1981, i
cc w/ enclosures.
,u..
M. I. Miller, Esquire Charles Bechhoefer, Esq., Chainnan Isham, Lincoln & Beale Atomic Safety and Licensing Board Suite 4200 Panel One First National Plaza U. S. Nuclear Regulatory Comission Chicago, Illinois 60670 Washington, D. C.
20555 Mr. Paul A. Perry, Secretary Dr. Gecrge C. Anderson Consumers Power Conpany Department of Oceanography 212 West Michigan Avenue University of Washington Jackson, Michigan 49201 Sea'.tle, Washington 96195 Judd L. Bacon, Esquire Dr. M. Stanley Livingston Consumers Power Congany 1005 Calle Largo 212 West Michigan Avenue Santa Fe, New Mexico 87501 Jackson, Michigan 49201 Alan S. Rosenthal, Esq. Chainnan Myron M. Cherry, Esquire Atomic Safety and Licensing Appeal Board l
Suite 4501 U. S. Nuclear Regulatory Consission One IBM Plaza Washington, D. C.
20555 Chicago, Illinois 6C611 Mr. John O'Neill, II Kalamazoo Public Library Route 2, Box 44 315 South Rose Street Maple City, Michigan 49664 i
Kalamazoo, Michigan 49006 Herbert Grossman, Esq., Chairman Joseph Gallo, Esquire Aton;1c Safety and Licensing Board Isham, Lincoln & Beale U. S. Nuclear Regulatory Comission 1120 Connecticut Avenue Wash;ngton, D. C.
20555 Room 325 Washington, D. C.
20036 Dr. Oscar H. Paris Atomic Safety and Licensing Board l
Peter W. Steketee, Esquire U. S. Nuclear Regulatory Comission 505 Peoples Building Washington, O. C.
20555 Grand Rapids, Michigan 49503 Charlevoix Public Library Mr. Frederick J. Shon 107 C'tnton Street Atomic Ecfety and Licensing Board Charlevoix, Michigan 49720 U. S. Nuclear Regulatory Comission Washington, D. C.
20555 Ms. Mary P. Sinclair Great Lakes Energy Alliance Big Rock Point Nuclear Power Plant 5711 Summerset Drive ATTN: Mr. C. J. Hartman Midland, Michigan 48640 Plant Superintendent Charlevoix, Michigan 49720 Resident Inspector Big Rock Point Plant Mr. Jim E. Mills c/o U.S. NRC Route 2, Box 108C RR #3, Box 600 Charlevoix, Michigan 49720 Charlevoix, Michigan 49720
=
Mr. David P. Hoff: nan -
_4-July 20, 1987 cc w/ enclosures (Cont'd.):
Chairman Ms. JoAnn 31er County Board of Superviscrs 204 Clinten Street Charlevoix County Charlevoix, Michigan 49720 Charlevoix. Michigan 49720 Thomas S. Moore Office of the Governor (2)
Atomic Safety and Licensing Acpeal 3 card Recm 1 - Capitol Building U. S. Nuclear Regulatory Comissica Lansing, Micnigan 48913 Wasnington, O. C.
20555 Herbert Semel Dr. Jchn H. Buck Council fer Christa Maria, et al.
Atomic Safety and Licensing 'Aapeal Board Urhan Law Institute U. S. Nuclear Regulatory Ccmissica Anticch School of Law Washington, D. C.
20555 253316th Street, N. W.
Washingten, D. C.
20C09 U. S. Environmental Protection Agency Feceral Activities 3 ranch Regicn 'l Office ATT1: EIS C::CRDI'tATOR 220 Scuch Gearecen Street Chicago, I11inots 60604 Resident Inspector c/c U. S. NRC P. O. Box 37 South Haven, Michigan 49090 1
Palisades Plant i
ATT1: Mr. Robert Montross Plant Manager Covert, Michigan 49043 Tcwnship Superviser Covert Tcwnship Rcuta 1, Box 10 lan Buren Ccunty, Michigan 49043 Chri sta-Mari a Rcute 2, Box IC8C Charlevoix, Michigan 49720 William J. Scanlon, Esquire 2034 Pauline 3culevard Ann Arbor, Michigan 48103
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TABtf EMTRIES' '
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^ EXPT.ANATICM/Ct.AKIFTCATT0ft Table 1 Reason for OG Operation and Scheduled Duration of Run: This column contains the different categories of diesel generator operacion. The categories are structured. such thae the stare and em conditions are similar for all of the tests in a category. In this column, enter the scheduled run duration for each of the :ese categories. Also enter :ha number of diesel generator starts thac are dene. for each type of tese. For av=ple, if on the :nonthly test here is one start from :he local con-trols and one starr frew he remote controls, the number of starts per test is :wo. If two or more diesels are started simulraneously for any reason, please record it as a multiple start.
DG No.: Inter each diesel generator's iden:ification number in :his column as shown in the example.
Number of Scarts: Enter :he sua of the successful and unsuccessful stare attempts for each category. If there are several starts for each test, include all of them, but be certain :o record the = umber of starts per
- ese in column one.
Nu=ber of Failures: En:ar :he sum of the failures for each category. A failure is counted if :he objectives of the :ese are not achieved. A subsysten failure that does not cause failure of :he diesel generator system is not counted as a. failure. If the diesel generator did noe star =, em, and load as required by the tese, a failure should be recorded. However, if :he diesel generator would have supplied power in some capac1:7 for an emergency, please explsin in Table 3.
For example, if :he diesel started on the second attemot or the diesel v.ts tripped to repair a minor oil leak :hac would see have been a problem in an emergency, this should be noted in Table 3.
Percent Loading of DG 000 : Enter :he percentage chac the diecel is i
loaded for each category. The continuous kilowa:c rating is considered j
to be 1000.
t Duration of Run 3efore Stop' for each CG ?a11ure: Record the run-time for each failure. If the diesel failed to start, the run-time would be O sin.
Identification of Failures: At: ached :o this quest: nnaire are abstrac s of the LIRs related to :he diesel generators. The abstracts are numbered starting with one. %fer to this number :s identif7.he failures, but if there was a failure for which there La no abstract, assign the failure a number and include it h Table 3.
Table 2 Reason for Downtime: Enter in this column the categories of schedula maiu-eenance tha: make the diesel generator unavailable for emergency se: rice.
If the diesel generator is unavailable for emergency se:vice during surveillance testing, esporr that also.
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Table 2 (cone'd)
Hours of Downtimer Inter the cumber of hours that the diesel generator is unavailable for energency service. Reporr :he hours under the colan reactor shutdown or reactor not shutdown as appropriate.
Comments: Comment on :ime to returz to service afcer maintenance has, begun,. or other pertinese information.
Tibia 3 1ZI. Abstrace No. (Xafer to attached.1ZE Abstracts): The attached. LZEs are numbered starting f ca one. Refer :o tha LZE number in column one. Each LZE abstract should have an en::7 12 this table. If hore was a failure not included in.he attached abstracts, please assign it s. number and enter it in this table.
Downtime Hours: Inger the number of hours thac :he diesel generator is unavailable for emergency serrice. Subdivide these :ocal hours into :roubleshooting, parts delivery, and repair or renlacement.
Conene ts: ITse this column to comment on _he downtime and :he failure.
L' the reported failure was only a :achnical specification violation, but would noe be a. complete failure of :he diesel generator :s supply power or wouli only be a delay, please elaborate in this column.
Table i Zquipment or procedure modified: Lisc in this column the equipmen:
or procedures related :o the emergenc7 cert:e power system : hat have been modified since the reactor became c:2.:ical.
Date of Mod.: Enter he date : hat the modification was completed.
Reason for Modification and Desired Improvement: Report :he reason for the modification and the desired or observed improvement in :he system.
Dese:1ption of Modificacice: 3rief17 dese:1be wha: modification was made.
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1 PAGE 73 ACCESSION NO.
0 0Z 0162 577 TITLi 01ESEL GEN E R A T OR OU TPUT VOLTAGE I N SUF F ICI ENT AT GIG ROCA POINT CD4PAUTH CONSUMERS POWER CO.
DATE 1961 TYPE Q-MEMO LTR 4/ led 30-047 TO U.S.
NRC. REGION 3.
JAN 14 1981. OCCKET S0-155. TY P E --B W R. MFG --GE, Ad CECH, OCS NO.--8101210A15 AVAIL AVAILAd1LITY - NRC PUSLIC DOCUMENT ROOM. 1717 H STREET.
W AS M I NG TCN.
O. C.
20555 (OS CENTS /PAGE -- MINIMUM CHARGE 52.00)
AuS TR ACT DATE OF evEN T - 121780.
POWER LE VEL - 000%.
CAUSE - BRCKEN S CCK E T PINS CN ExCI TOR COMPONENT.
DURING A TEST START OF THE EMERGENCY 0153 dL GENdRATOR. THd GENER A TCR OUTPUT. VOLTAGE FAILEO TO SUILO UP.
P9EV10US GENERATOR OUTPUT LOSS IS 9EFERENCEO IN 40-60-36.
I NV ES T IG A T ION OF THE EXCI TATION CONTROL COMPONENTS 4EVEALEO THAL A RELAY SCCAET IN THE REGULATION 6 CARD HAO SROKEN P INS IN TMd RL UG -IN SOCAET.
S INCE V ISRAT ION WAY MAVE CONT 413UTE0 TO THE FAILUhE. A MORE RUGGEO SOCAET 4AS IN S TALLEO.
TMd FAILcJ COM PO N EN T IS AN AMPHENOL 3 PIN SOCKET MCOEL NO.
CO APO NEN T COOE ENGINE-tNGINes. INTERNAL COMouST10N SYS TEM CODE id-EMERG GENcR ATOR SYS G CON TROLS i s / S / 0 C 000 01 -C 0 0 CO 20 / /
2 ACCESSION NO.
OG101o1962 TITLI O!cSIL CcN s R AT CR FALLS TO RUN AT SIG ROCK POINT CURPAUTM CONSUMERS PC'aER CO.
DATi 1G8C TYP1 O
MdMO L TR 4/ led 80-337 TG U.S.
NRC. RdG 10N 3.
DEC 12. 1980. OcCKET 50-1b5. T Y P E --6w R. AfG--GE.
A c --6 d CH. DCS NO. --8 01216 0 S O 4 AVAIL AVAILABILITY - NR C PUSLIC COCUMdN T ROOM. 1717 H S TR EE T.
MINIMUM CHARGE 4ASn1NGTON.
C.
C.
20556 (OS CEN TS / D AGE
%2 90)
ASSTRACT DATE OF SVENT - 111680.
POWER LEVEL - 00 0%.
CAUSE OvERMEATING CF d E AR ING 5hAL DUE TO LOOSE SCREW.
OURING A SdECIAL 24 MGUR FLLL LOAC TEST OF THE EMERGENCY DIESEL ScN ER A TOR. COM %NdNTS OF THE ENGINE COCLING MATER PUMP COUPLING OVEPMCATEC CAUb1NG S.*CKE AND TnE UNIT WAS SHUTOOWN SY OPERATOR ACTION.
INvtS TIGA T ICN REVEALEO TMAT A LOOSE SdT SCREW ALLOWED A COUPLINC SLd EV E TO MOVE AND CAUSE WEAR ON TME SEARING SEAL OF THE REJuCTICN OEAR UNIT eMICM RESULTED IN OVERMEATING.
THE CCUAi1NG M AS NOT SEdN ROUTINELY INSPECTED.
INSPECTION CF THE CCupt!NG 41LL EE AOCEO TO TME ANNUAL PREVEN T I VE M A IN TENANC E P40CEOURE.
COMPONENT CODE dNG 1NE-ENG I NES. I N TE mN AL CO M BU S T I O N SYSTIM CCJi EA-EMERG CdNER ATOR SY S G CONTROLS Id/S/0000001-CCOCO30//
3 ACCESSION NO.
O CIC l o 19e O TITLE O!ESEL GENER AT OR FAILS TO REACH OUTPUT VOLTAGE AT d1G ROCK DOINT COAPAUTn CLN buML AS POwdR CO.
DATd 1980 TYPE 0
MEvu L TR 4/LcR d C -0 26 TC U.S.
NRC. RE G ION
- 3. DEC 12. 1980. DOCKET sG-155. T Y P E --E m a. vf G --GE. A E --S E CH, OCS NO. --8 01216 0* 94 AVAIL AVAILAd!LITY - NRC PUSLIC DOCUMENT ROCM. 1717 H STREET.
dASn1NGTON.
v.
C.
20565 (OS CENTS /PAGE -- MINIMUM CHARGE 32 00)
AESTRACT DATE CF EVENT - 111ddC.
POSER LhvEL - 000%.
CAUSE - FAILEO DIOCES IN F I LL O CIRCUIT.
DURING A TEST STAR T OF THE EMERGENCY 01ELEL GENdRATOR. TnE OUTPUT VOLTAGE 010 NOT SUILO UP TO THE AORMAL 4 d o V OL T level.
TWO 0100ES (TYPE IN 1190) IN THE FIELO C IR CU l T OF Tnd GdNERATOR WERE REPLACEO AND THE UNIT TEST START vAS S A T I a F A C TO R Y.
THc OIGOES HAO SdEN CH ECK ED OURING THE A NN u AL d4EVENTIVE MAINTENANCE CMECKS OUR I NG THE MONTH OF
.OVdM6E7 AND IT IS HYPOTndS1460 TMAT THE FAILURE MAY EE ASSGCIAfE0 w1TH TMs HANOLING ANO SCLDERING ACTIVITIES A SSCC I '. 7 2D alTH TnE CMECKS.
THE ANNUAL CMECK ON THE DIODES 41LL dE IL I;41N AT da aNu TME VENOCR IS dEING CONTACTED FOR ANY OTHe4 R iCGM 9 EN OA T IO NS.
GZv 4 A -Cc.NE 4 AT OR S C'.;MP O NdN T C ~ L E c
SYSTdM CUOC Ec-E4fwG GENI 4 ATCR SYS G CONTROLS
-v
--4.
PtGE 74 13/5/0000001-C000030//
4 ACCESSION NO.
OCZO1+9434 Ti!LE 01E SIL GENER ATOR OUIPUT VOLTAGE ZERO AT BIG ROCK POINT CORPAUTH CCNSUMERS POWER CO.
DATE 1479 TYPE O
"EMO L TR W/LER 79-014 TO U.S. NR C, R EG ION 3. APR 11. 1979. DOCKET 50-155. TYPE --Sw R. MFG--GE. AE CECH CON TR O L--0 2 S S 07 NRC PudLIC DOCUMENT ROOM, 17I7 H STREET.
AVAIL AVAILABILITY n ASH INGTON D.C. 20555. (08 /PAGE -- M I N I MU M CHARGE 52.00, abs T7 ACT DATE CF CVENT - 031279. POWER LEVEL - 000%. CAUSE - NOT DEThRMINED.
3UR ING ROUTINE WEEKLY TESTING. THE EMERGENCY D IESEL GENdR ATCR QU TPU T VOLTAGE REMAINED AT ZERO.
THE EMERGENCY SUS wAS 3EING SUPPLIED BY THE NORMAL SOURCE.
PREV IOUS GENER ATOR OU TPU T FAILURES wERE REPORTED IN LETTERS OF 10/S/70 aND 9/ 18 / 72.C COMPONENTS WHICH COULD HAVE CAUSED THE OUTPUT VOLT AGE F AILURE WERE CHECK EO AND NO EX ACT CAUSE COULD SE 3CUND.
THE uv1T TESTED SATISFACTORILY ON 3/21/79 WITHOUT 4 5uu 1R ING F LASHING OF THE EACITER FIELD.
SUB SEQ UEN T WEEKLY TESTS HAVE SEEN SATISFACTORY.
COAPONEN T CODE GeNdR A-GENER AT OR S SYS T:M CODE EE-dMERG GENER ATGR SYS G CON TROLS 13 /5 /C u c 00 01 -40 0 CC 30 //
5 ACCESSION NO.
OLZC14d201 TITLE D IESEL GENERATOR ST AR T IN G TIME EXCEEDS LIMIT AT SIG ROCK POINT CORMAUTH CONSUMERS Po mER CO.
DATE 1979 TYJE Q
VEMU L TR N/LER 7 9 -0 C8 TO U.S.
NRC. REGION 3,
MAR 21.
1979. DOCKET 50-1S5. TY PE --8wR, MF G --GE. AE --5 E CM CCN T R OL--0 25 36 0 AVAIL AVAILA6ILITY - NRC PUELIC COCUMENT ROOM, 1717 H STREET, 1'
wASHINGTGN D.C. 20SS5, (08 /PAGE -- M I N I M U M CHARGE S2.00)
OC0%. CAUSE - DEFECTIVE ads TR AC T J 4T E OF EVENT - 022279. POWER LEVEL PWOCECURES. CURING RCUTINE TES T STARTING OF THE EMERGENCY DIESEL GENERATCR, THE ST AR TING TIME 4AS 15.6 SECONDS 4HICH EAchEDS THE TI MING CR I TE R I A 0F 13.9 SECONDS FCR EVERGENCY CORE CCOLING.
TMLS d A CK UP SYSTEM IS NOT R EQU IR ED FOR SHUTOO4N CCNDITIONS.
INVESTIGATION REVEALED THAT USE OF THE FUEL P11 MING PUMP MAY HAVE INTRODUCED AIR INTO THE FUEL LINES.
THE ORIMING PUMP SHOULO HAVE 6EEN USED SIMULTANECUSLY *ITH A VENTING LINE 4HILE PRIMING AND ADM IN I STR ATIVE CON TR OLS AR E 1EING INCORPOR ATED TO INCLUDE THE VENDORS INS TR UC T I CNS TO PRECLUDE RECLRRENCE.
CCMPO NEr. T CO wE ENGINE-dNGINcS. INTERNAL CO M 3U S T IO N SYS11M CO0d
=E-CMERG GENER ATCR SYS G CCN TR GLS Ic/S/0GC0001-C00CO30//
6 ACCES51CN NO.
0020136-75 TITLt RESPONSE TIML OF DIESEL GE NER A TCR iXCEEDS LIMIT AT SIG ROCK POINT CORPAUTH C ON SUME RS PGwER CO., JACKSCN, MI DATd 1978 TYP E O
MEMO 2 PGS. LTR w/LCR 40 0 a TO NRC OFFICE OF I L E.
REGICN III, MARCH 1,
1976, OOCKET S0-155. T Y P E --o n R, M FG --G E. AE CECHTEL AVAIL AVAILABILITY - NR C PUmLI C DOCUMEN T ROOM. 1717 H STREET.
U.
C.
20S45 (ce CENTS /PAGE -- MINIMUM CHARGE S2.0J)
AGS TR AC T DATE CF EV EN T - 020278.
POWER LEVdL -90%.
CAUSd - UN<NOwN.
OURING THE w td.<L f ItST OF THE EVERGENCY DIESEL GENER A TOR, TME OVdRALL k E L A CN SE TIME OF 25.S SECONDS EXCEEDED THE REQUIRED STARTING TIME CF 13.9 SECONDS.
SUBSEQUENT S T AR T ING TESTS wERE SATISF*.CTORY.
INVESTIGATION AND OBSERVATIONS CF STARTING oY MAINTENANCE PERSONNEL HAVE NOT REVEALEO THE CAUSE CF THE PRO 6LEM.
COMPONEN T CCOE cNGINd-ENGINdS. INTERNAL COM6USTION SYSTdM LOOc E
-E MER G GENEAATOR SYS C CON TRO LS 13 /5/0 0 0 00 01 -00 0 G0 2 0 //
7 ACCES51GN NO.
OCZG136470 TITLu O ICSEL GCN C R A T OR T71PS ON HIGH aATER TEMPERATLRE AT SIG ROCK POINT CORoAUTM CCN SUMERS PO WER CO.,
JACKSON. MI OAT:
1976
,c.,
~
--w
18 /5 /0 000001 -0 0 0 G0 30 / /
7 CON T INU A T ION 1
PAGE 75 TYP E
'C MEMO 2 PGS. LTR 's /LER RO 78-07 TO NRC CFFICE OF I C E, REG ION III.
197s. DOCKET 50-155. TY PE--B wR. MFG--GE. A E --S E CH TE L AVAIL AVAILASILITY - NRC PUELIC OOCUMEN T ROOM. 1717 N STREET.
4 AS HINGTON.
O. C.
20546 (U8 CENTS /PAGE -- MINIMUM CHARGE 52.00)
ADSTRACT O ATC OF EVENT - 020978.
POWER LEVEL - 90 %.
CAUSE - A IR I NLEA A AGE THRO UGH PUMP PACKING.
DUR ING TESTING OF THE EMERGENCY 012SEL GENERATOR. THE UNIT TRIPPED ON HIGH WATER TEMPEMATURE AFTER OPERATING ABOUT 25 MINUTES.
AIR INLE AKAGE A T THd COOLING wA TE R PUMP SHAF T PACK ING CAUSEO LOSS OF SUCTION FOR THE ENGINE 4ATER COOLING SYSTEM.
THE PACKING WAS ADJUSTED TO CCR RECT THE LE AK AGE PRO 6LEM.
INVdSTIGATION IS IN PROGR ESS TO DETERMINE THd FEASIBILITY OF INSTALLING A MECHANICAL SEAL ON TMd PUMP.
COMPONENT CODE E NG IN E-cNG I Nes. I N TE RN AL COMSUS T ION SYSidM COVE EE-dMdRG GENER ATOR SYS G CCNTROLS 13/5/0000001-000v030//
6 ACC=5SiUN NO.
00ZC13A0o3 TETL2 AUTOMATIC TR AN SF ER OF PO*ER FAILS TO OPER ATE PROPERLY AT SIG ROCK POINT CORPAUTH CUNSUMERS PU*ER CO.,
JACKSON. MI DAr2 1977 TYP d u
Mc;40 2 PGS. LTR w /L ER 77-27 TO U.S.
NR C. R EG IO N III. SEPT. 2, 1977.
OCCAdT S0-155. T Y Pd --6 W R,
MFG--G.d..
Ad OdCHTEL AVAIL AVAILA61LITY - NRC PUBLIC DOCUMEN T RUOM. 1717 M S TR EE T.
4ASHINGTCN.
O.
C.
20545 (Go CENTS /PAGE -- w1NIMUM CHARGE SE.00)
AoS r i AC T OATE OF cVdNT - 060S77.
POWER LEVEL - 0 7..
CAUSE - Sw1TCH 41Riu I MPROP ER LY.
UVRING TESTING CF THE O!ESEL G6MERATCR WITH ahd AKER 2A-Zo RACAdC CUT OF POSITICN. THE AU TCM A T I C TRANSFER OF P CW ER TG sus 26 FAILdO TO OPERATE PROPERLY.
MANUAL TRANSFER CF DCaER ALSO FAILEO TO CLOSE THd GENERATCR OUTPUT S R E A K ER.
THE AGAILIARY S W IT CH INSTALLcG IN 1970 ANO DESIGNED TO MAINTAIN THE GcNdRATCR GU TP UT b4EAKdR OPERAdLE #1TH 3REAKER 2 A -2 8 RACAEO CUT 4AS NOT 41 RED PROPERLY SY CON TR AC T PERSONNEL.
TESTING ASSOCIATED *ITH TnE CHANGE. INSTE AD OF COMPLETE FUNCTION AL TEST. WAS I N AD EQU A FE.
COMPO N CN T COOb CK T3R K-CIRCU L T CLOSERS /INTERAUPTERS SY a TEM CCJE Ei-dMER G OENER ATOR SYS C CON TROLS 16 /5 / 0 0 0 0 0 01 -G 0 0 00 3G //
9 ACCESSION NO.
0020132948 TITL:
S I A R T ING TIME OF O!ESEL GENERATOR EXCEEDS LIMIT AT $[G RCCA PGINT CORPAUTH CGN SUMcRS PO *ER CO.,
JACASON. M1 DATE 1977 TY?E O
'.v& M O 2 AGS. LTR * /L ER 40 48 TO NRC CFFIE OF I CE. REGION 111.
O EC. 20. 1977. DOCK E T 50-155. TYPE--BWR, M FG --G. E., A E --e EC H TE L AVAIL A VA ILAb 1LI TY - NR C PUdL I C OCCOMEN T ROOM. 1717 H STREET.
MINIMUM CHARGE l
W ASH I NG TON.
D.
C.
20545 (0e CENTS /PAGE 42 00)
UNKNOWN.
112477.
pow &R LEVEL - 60 %.
CAUSE AHSrRACT OATE CF EVENT OUQ1NG 'aECKLY TES TI NG OF THE EM ER GENC Y DIESEL GENERATCR, THE S TAR T ING TIME MAS 33 SECONUS.
TH IS EXCEEOS THE STARTING Ch!TERIA CF 13.9 SEC.
TME UNIT wAS 4ESTARTED S A T I SF A C TOR IL Y l
41TnIN TMd NOUR.
SINCd THE UNIT 3UILT UP SPEED IN A SLUGGISH F ASHION. THE FUEL 4AS CHECKED TO MEdT SPEC IF IC A T IONS AND l
moSENCE CF g A T ER.
NO DEFICIENCY WAS NOTEO.
A PREMIUM GRAGE CF l
NO. 2 012SEL FLEL 15 TO d6 USED 4MdN AVAILABLE LOCALLY.
CO.<PUNJsT CODE d NG I NI-cNG I NES. I N TE RN AL COM6USTION SY S T Ei4 C00E Ed-EMCh G GENcR A TCR hYS C CONTROLS 16 /5 / 0 0 0 J 0 01 -90 0 00 30 / /
10 ACCdSSIGN NC.
OGZO120997 TITLc OIISEL GENER4 TOR ST AR TING TIME EXCEEOS LIMIT AT SIG RCCA POINT COR?AUTH CCNSUMcRS PCmER CO.,
JACKSON. M1 OATE 1977 l
TYPi J
i NEMO 2 PGS. L rR wr;O-77-41 TO NRC OFFICE OF 1 C E. REGION 111. NOV.
15.
1977. DOCAtT 50-155. TYAE owr. " / G --G. E., Ad--SECHTEL 1
y
-w--
e e-,
y
e 10 /5 /00000 01 -00 0 C0 30 //
10 CONTINUATION 1
PAGE 70 AVh1L A VA I LAB I L ITY -- NRC PUSLI C DOLUMENT ROOM. 1717 H S TR EE T.
O.
C.
2054G (08 CENTS /P AGE -- MINIMUM CHARGE 52.00)
A6S TR ACT DATE OF CV EN T - 102077.
POWER LEVEL - 0%.
C AUSE - UNKNOWN.
O UR I NG WEEKLY TESTING OF THE EMERGENCY 01 ESEL GENER ATOR. THE S TAR T I NG TIME wA S 21.8 SECONOS. EXCEEDING THE 13.9 SECONO CRITERIA.
S UB SEQUENT TESTS ON 5 FOLLQw1NG WEEKS HAVE SEEN SATISFACTORY.
THE EXACT CAUSE IS UNKNOWN.
S A T TER Y CA8LE C CNNECTOR S wFRE TESTED FCR VOLTAGE OROP UNDER LOAO COND I T ICN S AND NO ABNORNALITIES WERE OBSERVED.
I COMPONENT CODE ENGINE-ENGINES. INTERNAL COMBUSTION SYS TEM CODE EE-EMERG GENER ATOR SY S & CONTROLS 18/5/0000001-0000030//
11 ACCESSION NO.
0040128946 TITLE AUTOMATIC T R AN SF E R OF OG POWER TO 28 SUS FAILS AT SIG RCCK POINT COR P AU T M CGNSUMERS POmER CO..
JACKSCN. M1.
JATt 1977 TYui 3
MdMO 2 PGS. L TR WM10-77-27 TO U.S. NRC. R EG ION III. SEPT.
2.
1977 OCCKET 50-155. TY PE --E d R.
MFG--G.E..
AE--BECHTEL AVAIL AVAILAu1LITY - NRC PUBLIC DOCUMEN T ROOM. 1717 H STREET.
m ASH ING TON, C. C.
20S4s
( 08 CEN TS/PAGd -- MINIMUM CHARGE 52.00)
A8STRACT DATE OF dVENT - 080577.
POWER LEVEL -0%.
CAUSE - WIR ING ERR OR.
LURING TESTING OF THE EMERGENCY 01ESEL GENERATOR WITH rmE 2A-29 SHEAAER R ACKED OUT CF POSITION. THd AUTOMATIC TRANSFEN OF P3.sca TO SUS 2B FAILEO TO OPERATE PROPERLY.
WANUAL TRANS#ER OF RO adR ALSO FAILEO.
THE AUX 1LIARY SalTCH INSTALLZO IN 1976 AND LESIGNdD TO MAINTAIN THE GENERATOR OUTAUT SREAKER UPEaAdLE *1TH D1 E 2 A-2 S GREAKER RACKEO QUT W AS NO T WIRED PRCPEGLY av CONTRACT PERSONNEL.
THE C IRCU LTRY CONTINUITY TESTING. CONE IN LI EU OF A COMPLd TE FUNCTICN AL TEST. WAS INAOdduATE.
COMPO NEN T CUOd CKTBRN-CIRCu lf CLCSERS/ INTERRUPTERS SYS TE M COOd EE-E4 ERG GdNcHATOR SY S C CONTROLS 13/5/0000001-0000030//
12 ACCES$!ON NO.
00Z0125500 TITL5 S TAR T ING T IM E CF 01ESEL GENERATOR EACEEDS LIMIT AT SIG ROCK POINT CORPAUTH CCNSUMERS 00adR CO..
JACKSON, MI OATd 1977 TY3 5 U
VE*4C 2 PGS. LTR */90-77-19 TO U.S. NRC. REGION 111. JUNE 17, 1977.
DOCKdT 50-155, T Y PE --e d R.
MFG--G.E.,
AE GECHTEL AVAIL A VA ILAS ILI TY - NR C PU6LIC DOCUMEN T ROCM. 1717 H STREET.
L.
C.
20545 (08 CENTS /PAGE -- MINIMUM CHARGE 52.00)
AES TR ACT DATE OF EVENT - 0 52 677.
POWER LEVEL - 80%.
CAUSE - UNKNOWN.
O UR ING A WEEKLY TEST OF THE E M ERG ENCY DIESEL GENER ATOR. THE S TART ING TIME WAS 1o.5 WHICH EACEEOS THE 13.9 SECCNO ACCEPTANCE CRI TERI A.
A RCTEST ON tee SAME DAY WAS SATISFACTORY.
THE EXACT CAUSE IS UNKNO aN.
HOwcVER. A MOD I F I CA T ION TO THE FUEL CON TROL V ALVE WA S M AUE TO INCREASE FUEL SUPPLY UURING CRANKING.
COMPONEN T CODE ENG INE-ENG I NES. I NTER N AL CO MRU S.T IO N SYS Td M CODE ZE-dMER G GENiA ATOR SYS & CONT %pLS l o /S /O u c 0 0 01 -00 u dG 30 //
13 ACCESSrON NO.
0020125549 TITLE S TA RT ING TIME CF OIESEL GENERATCR EXCEEDS LIMIT AT d!G ROCK PGtNT COR P A U TH CCN SUME R S PQwd A CC.. JACKSON. MI DATd 1977 TYPd 0
MdMO 2 PGS. LTR n /4 0 1 d TO U.S. NRC. REGION III. JUNE 17. 1977.
OCCKET 50-1ES, TYPE O~vR.
MFG--G.E..
AE--eECHTEL AVA IL AVAILASILITY - NR C PC sL I C COCUMdNT ROOM. 1717 H STREdT.
- ASHINGTON, C.
C.
20545 (Gd CENTS /PAGE -- MINIMUM CHARGE 52 00)
ABS TR AC T 04TE OF EVENT - 15157'.
PCwER LEVEL -80%.
CAUSc - WATER J AC Ac T nc4 TEA FAILUnE.
POLLQw1NG FAILURE OF THE mAiER J ACKE T HEA TEN. A SPcC I A L S TAR TING TEST OF THE EMERGENCY DIESEL GENdRATC4 FOLNC ThZ ACCENTANCE CRITiRIA OF 13.9 SECONOS WAS e
_.c-
-g-g m
v-
e 10/5/0000001-0000030//
13 CONTINUATION 1
PAGE 77 EXCEEDEO SY 12 SECONOS.
THE EXACT CAUSE IS UNANOWN.
ENGINE A MB I E NT TEMPtR ATURE PROB A3LY AFFECTS STARTING TIME.
THE HEATER
COMPONEN T CODE H E A TER-Mt A T E RS.ELEC TR I C SYS rhM CODE dE-EMdRG GENER ATOR SYS & CONTROLS 18 /$ / 00 000 01 -00 0 00 30 //
14
-ACCESSION NO.
00ZO124901 TITLE STARTING TIME OF EMERGENCY OIESEL GENERATOR EXCEEDS LIMIT AT SIG ROCA POINT COR P A U TH CONSUMERS PO eER CC..
JACKSON. MICH.
JATE 1977 TYGd Q
MEMO 2 PPS. LTR W /R O 77-10 TO U.S. NRC. R EG ION 111. APRIL 21. 1977.
OCCAET 50-155. TYPE-CWR, MFG--G.E..
AE--aECHTEL AdAIL AVAILABILITY - NRC PUBLIC COCUMENT ROOM. 1717 H S TR E E T.
MINIMUM CHARGE 4ASHINGTON.
D. C.
205+5 (08 CENTS /PAGE 12 00)
A8ST9ACT DATE OF EVENT - 03 2 4 T7.
PCdER LEVEL - 85%.
CAUSE - UNKNOWN.
Q ua LNG THE *EZALY STARTING TuST OF THE EMERGdNCY OIESEL GENdR A TOR. THE S TAR TING TIME dACEEDED THE 12 -SE COND CRITERIA SY 0.d SECONO.
A S U SS EQUEN T TEST ON 3/24/77 IN D IC A TE D PROPER S TAR T ING AT c.8 SECONOS.
THE EAACT CAUSE IS UNANOWN.
THIS IS T HE F IR S T OEFICIENCY IN MECTI 4G TmE STARTING CRITERIA SINCE MODIFY 1NG THE GOVERNCR LUeRICh!!ON SYSTEM ON 1/10/77.
COMPONcNT CODE ENG INE-dNGI NES. IN TERN AL COMOUS TION SYdTEM CODE EE-sMERG GENERATCR LYS S CONTROLS 11/5/G000001-0G06030//
15 AC;lSSIGN NO.
OC001221ao TITL:
DIESEL GdNERATOR REMCVE0 FRCM SER V ICE AT SIG ROCA POINT COMPAUTH CON SUM ERS POaER CO..
JACASON. M1 JATc 1977 IYPd d
MEMU 2 3GS. L TR * /7 C-77-5 TO u.S. NRC. REG ICN III. FES.
3.
1977.
O CM E T 50-155. T Y PE - - J., WR, MFG %.E.. AE--dECHTEL AVAIL AVAILAa!LITY - NR C PueLI C DOCUMEN T WOCM. 1717 H S TR EE T.
dASHINGTON.
D.
C.
2054S (08 CENTS /PAGE -- MINIMUM CHARGE 32 0J)
ASS TR ACT DATE OF EVENT - 011077.
power LE V EL -d5%.
CAUSE - CCRR ECTIV E MuGIFICATION.
THd EMdRGENCY DIESEL GENERATOR wAS RE.MCVED FRCM SERVICE FOR CORRECTL/E MOD I F I CA TI ON.
IT MAS OU T OF SERVICE FOR 3 HGURS.
THE LUsRICATING OIL SUPPLY TO THE DIESEL FUEL GCVERNOR 4AS 4001F150 TO IMPROVE DIESEL ST ART ING R dLI AB ILI TY.
CJ:APONdNT CCGE G ENid A -u2NER A TCR S SYS TEM COJE EE-dME9G GENERATOR dYS & CONTROLS 18 /6 / 0 0 00 0 G 1 -0 0 0 00 30 / /
16 ACCidd!ON NO.
0040121525 TAVLE D IESCL GCNCR ATOR FAILS TO START Ar 3IG ROCK POINT CORPAUrH CONSUMikS Pu.ER CO., JACKSON. MI OAIC 1977 T Y P ti O
MEf40 2 PGS. LTR d/R0-77-1 TO U.S.
NRC. REGION III. JAN. 26, 1977.
DOCAET 50-155. TYPd--edR. M F G --G. E.. AE CECH TE L AVAIL AVAILASILITY - NR C PUBLI C DOCUMENT ROOM s 1717 H S TR EE T.
MINIMUM CHARGE d ASH I NG TON.
s.
C.
2054o (0d CENTS /PAGE 52 00)
AcSIRACT OATE CF EVENT - 010377.
PuwER LdVEL - So%.
CAUSE - E X A CT C AU Sd U NK NQ uN.
THE E*ERGENCY D IE SEL GENER ATOR FAILSO T3 START IN THE AUTOM AT IC oOLd DURING TESTING.
A SUBSdCUdNT TEST CN THE SAME DAY d A S S AT I S" aC TOR Y.
THE EXACT CAVSE 15 UNANOdN.
LUEE O IL RcTENTION IN THE FUEL GOVERNOR IG SUSF.CT,
A VOD IF I C A T I ON TO THe FUEL GOVERNOW LUuRICATING OIL SUPPLY #AS COMPLETIO ON 1/10/77 AND PERFORMANCE THROUGH 1/24/77 MAS HEEN SATISFACTORY.
CCl* PONCN T COsE ENG INE-Er4G I ncs. I N TE mN AL COm dud T IO N SYSTEM CODE iE-EMERG GENCAATOM SYS 6 CONTROLS A S /5 /00 000 01 -0 0 0 CO 20 //
17 ACCcSSION NO.
0040121524 T&TLE R1ESEL GtNER AT O4 FAILS TO START CONSI S TEN TLY DUHING TESTING AT aIG ROCA PGINT CCRPauTh CCNSUMERd P O *t R CO.. JACASON. MI DaTL 1977
13/S/0000001-0000030//
17 CONTINUATION 1
PAGE 73 4
rYPd O
AEMU 2 PGS, LTR w /R O-4u-76 TO U.S.
NRC, REG ION IIIs JAN. 26. 1977, f
D OCK E T 5u-156. TYPE uwR.
MFG--G.E..
AE-OECH TEL AVAIL AVAILASILITY - NRC PUBLIC DOCUMENT HOOM, 1717 H STREET, MINIMUM CHARGE WASHINCTCN.
D.
C.
20S43 (08 CENTS /PAGE 62 00) l ABSIRACT D ATE OF EVENT - 122376.
POdER LEVEL - 8S%.
CAUSE - STARTER DRIVE SPRING FAILED.
THE EMERGENCY DIESEL GENER A TOR FAILED TO START CONS I S TENTLY QURING M AINTEN ANC2 TESTING.
THE SPRING IN T HE STARTER LA IV E, OdLCO PART NO.
1945487 FAILE0.
THE DEFEC TI VE STAR TER OR IVE WAS REPLACED WITH A REDESIGNED /6N DOR COMPONENT.
TH IS SH OULD PRECLUDE RECURRENCE OF THIS PRO;f LEM.
COMPONHNT CODE ENGINE-ENGINES, INTERN AL COM8USTION SYSTEM CODd EE-EMERG GENcR ATOR SYS C CONTROLS 16/5/1000001-0000030//
13 ACCESsLON NO.
OQZO121523 11 TLC D IESdL GENERATOR ST ART ING TIME EXCEd3S LIMIT AT JIG ROC < POINT CORPAufM CON 50MERS POWE R CD.. JACKSON. M1 DATE 1977 TYPC G
MEMO 2 PGS, L IR w /R O-* S-70 TO U.S. NRC, REG ION III, JAN. 26, 1977, O CCKET S0-ISS. TYPE 3dR. M F G --G. E.. AE CECh TEL AVAIL AVAILASILITY - NRC PUBLIC DOCUMEN T ROOM. 1717 H STREET.
MINIMUM CHARGE d ASHING TON.
D.
C.
20545 (Od CENTS /PAGE 52.00) 122776.
POWER LEVEL - 8S%.
CAUSE - UNKNOWN.
abs f 4 ACT D ATE OF EVENT THE EMERGENCY DIESEL GENERATOR STARTING TIME dXCdEDd3 THE 12 SECOND L1MIT.
IT S TARTED IN 15 SECONDS.
THE UNIT WAS adTESTED S A r IS F ACTOR I LY I N 4.8 SECONOS THE SAME DA Y.
THE EXACT CAUSE IS UNKNOaN.
HO *E VE R, A MOOLFICATION TO THE FUEL GOV ER NOR LUE R ICA T ING OIL SvP PLY #AS COMPLETED ON 1/10/77 AND DER:ORMtNCE SINCE TndM H AS B EiN SATISFACTORY.
COM PO NLN T COCE ENG INE-ENG INcS,1 N TEhNAL CONSUS T IO N LYSTEM CODE ZE-E M ER G uENER A TOR SYS C CONTROLS 18 / 5 / O O O C 0 01 -0 0 0 00 30 //
19 ACCE5SICN NO.
00ZO1210S2 TITLE D IESEL GENER ATOR STARTING T IME EXCEEDS LIM IT AT S IG ROC < POINT CORPAUTH.
CONSUMERS PGAdR CO.,
JACKSON. MI DATE 1977 Tyut O
MEMO 2 PGS, L TR W /R O-44-76 TO U.S.
NR C, R EG ION III, JAN. 20, 1977.
OCCKET $0-165, T Y PE -dw R.
MFG--G.Z.,
AE --BECH TEL AVAIL.
AVAILABILITY - NRC PUBLIC DOCUMENT ROOM, 1717 H S TR EET, mASHINGTCN, D.
C.
205A5 (Od CENTS /P AGE -- MINIMUM CHARGE 52 0u) 122076.
POWER LEVEL - SS%.
CAUSE - UNDER AUSTRACT DATE CF EVENT I NV ES T I G A1 10 N.
THE EMERGENCY D IESEL GENER ATOR STARTING TIME EXCEc0ED THE T IM ING CRITERIA SY 4 SECONOS DURING A TEST.
IT WAS TEST STARTED SATISFACTORILY LATER THE SAME DATE.
GOVERNOR L UB R I C A T IO N AND FUEL TRANSFLR DESIGN CONTINUES LNDER I NV ES T I G A T I O N.
COMPONEN T CODE dNG INE-ENG INdS,1 NTE RNAL COMBUSTICN SYSTEM CODE EE-EMcRG GENdR ATOR SYS & CCN TR OLS 16/5/0000001-0000030//
20 ACCESSION NO.
0 0ZL 120 660 TITLE 01ESdL GENERATOR FAILS TO START AT oIG ROCK POINT l
CCHPAUTH C ON SUME R 5 PO 4ER CO.,
JACKSON, M1 DATE 1976 TY PE O
MEMD 2 PGS, LTR w /R O-3 6-76 TO U.S. NRC, REGION 111, DEC. 17. 1976, DOCKET 50-15b, TYPE lwr, M FG --G. E., A E --BECH TEL AVAIL AVAILABILITY - NRC PUBLI C DOCUMEN T ROOM, 1717 H S TR EE T,
.v ASHINGlDN.
D.
C.
20S45 108 CENTS /PAGE -- MINIMUM CHARGE a2.00)
BROKEN SPRING IN STARTER bENDIX.
WHILE OPERATING AT abs TR ACT C AU SE eS4 POWER. THE EMER GENCY D I E SE L G E NER A TCR FAILED TO START DUR I NG THd WEEKLY TEST.
THE CRANKING MOTOR D ID NOT ENGAGE THE ENGINE.
A BROKEN SPRING WAS FOUND IN THE BENDIX MECHANISM OF The STARTING MOTOR UNIT.
THE STARTING MOTOR UNIT WAS REPLACED.
i L
i
10/S/0000001-0000030//
21 PAGO 79 ACCESSIGN NO.
00ZO120677 TITLE DIESEL GENERATOR FAILS TO START W ITHIN SPECIF IED TIME AT O IG ROCK PO IN T I
COR PA UTH CCNSUMERS PO r2R CO.. JACKSON, MI OATE 1976 TYPE O
MEMO 2 PGS, LTR w /R O-3 8-76 TO U.S. NRC. REG ION 111, DEC. 30, 1976.
DOCKET 50-155, TYPE SWR, MFG--G.E.,
AE OECHTEL AV A IL A VA I LAB I L I TY - NRC PUBLIC DOCUMENT ROCM, 1717 H STREET, WASHINGTON, D. C.
20$A5 (08 CENTS /PAGE -- MINIMUM CHARGE 52.00)
41TH THE REACTOR A T 85% power, THE EMERGENCY LIESEL GENERATCR FA ILEO TO START w ITH IN THE TIME SPECIF IED DUR ING THE WEE 4LY TEST.
THE STAR T WAS 17 SECONOS.
TEST CRITERIA IS 12 SECONOS.
A SUBSEQUENT TEST START wAS 9.5 SECCNOS.
EXACT CAUSE REMA INS UNKNOWN.
HOWEVER, THE FUEL GOVERNOR 4AS R EPLACEO AND OTHER MOOLFICATIONS RELATED TO FUEL CCN TRCL ARE EE ING CONSIDERED.
16/S/0000001-400CO3G//
22 ACCLSSION NO.
00ZO120270 TITLE EME RG EN CY O I ES EL GENERATCR START TIME EXCEEDS LIMIT AT SIG ROCK POINT CORPALTH CCN SUMER S PO *ER CO., JACKSON. M1 OATE 1975 TYPE U
MEMU 2 PCS. LTR WARO-32-76 TO NRC OFFICE OF I GE. REGION III, DEC.
1.
1976. DOCKE T 50-155. TY P E O WR, M F G --G. E., AE--BECHTEL AVAIL AVAILABILITY - NR C PUBLI C DOCUMEN T ROCM. 1717 H STREET.
d AS H I N G T ON.
C.
C.
20SAS (06 CENTS /PAGE -- MIN [ MUM CHARGE A2.CG)
FUEL GOVERN CH MARGINAL.
aHILE OPERATING AT 85% DCmER.
ads TR ACT CAUSE TmE EMERGENCY OI ESEL-GENER ATOR START TIME wAS 2.2 SECONGS SLO *ER THAN DM E R EGU I R ED TIME DUR ING THE WEEKLY START TEST.
IT dab RETESTED AND STARTED SATISFACTCHILY.
PREVIOUS INV EST I G T ION INDIC ATES POSSISLE M ARGINAL OPER A T ION OF THE FUEL GOVERNUR.
A 4EPLACEMENT UNIT HAS GEEN GROEREO.
13/S/GCC0001-0000030//
23 ACCESSIGN NO.
00ZO119751 TITLE EMERGENCY 01ES EL GENERATOR FAILS TO START AT SIG ROCK POINT CORPAUTH CONSUMERS power CO..
JACKSON. M1 OATE 1976 TYPE O
MEMO 2 PGS. LTR WMRO-31-76 TO U.S.
NRC. REGION III. NOV. 23, 1976.
OOCKET S u -1 5 6.
T YPE --O w R. M FG --G. E., AE--SECHTEL AVAIL AVAILASILITY - NRC PUBLI C DOCUMEN T ROOM, 1717 H STREET.
A AbM I NG TON.
O.
C.
2054S (08 CENTS /PAGE -- MINIMUM CHARGE SE.00) abs TR ACT CAUSE - EXACT CAUSE UNKNOW N.
wMILE OPERATING AT 854 POWER. THE EMERGENCY DIESEL GENERATOR FAILEO TO START WITHIN THE PRESCRISED T IM E LIMITS OURING THE MEEKLY START TEST.
IT WAS RETESTED AND STARTED SATISFACTORILY.
TH E EXACT CAUSE IS U NK NO W N.
V E ND OR INVESTIGIATICN I ND I C A TE S THAT THE FUEL GOVdRNGR CON TROL UN I T IS A POSSIdLE CAUSE.
CROCUREMENT OF A R EP LAC E MEN T GO VE R NO R UNIT HAS DEEN INITIATED.
18/5 /C 0000 01 -0 0 c v0 30 //
24 ACCE5SiON NO.
00Z0117677 i
TITLE DIESEL GENE R A TCR NO T RE TES TED AFTER MAINTENANCE AT SIG ROCK l
?OLNT COhPAUTH CCN SUMERS PO'aER CO..
JACKSON. MI CATE 1976 TYPE O
MEMO 2 PGS. LTR e /R O-23-76 TO U.S.
NRC, REGION III. SEP T.
3.
1976.
O CC KE T 50-155. T Y PE --6 w R. MFG--G.E..
AE CECHTEL AVAIL AVAILA61LITY - NRC Pl.6L I C DOCUMEN T ROCM. 1717 H STREET.
mASHINGTON.
O.
C.
2054S (08 CENTS /DAGE -- MINIMUM CHARGE 50.00)
ABSTRACT CAUSE - M ISUND ER S TA ND ING OF CRITERIA.
FOLLOW!NG FAILURE CF THE EVERGENCY DIESEL GENER A TCR TO S TA R T 41 THIN THE 15 SECOND CHITERIA JUR IN G TESTING aHILE THE REACTOR WAS AT 67% POWER. THE UNIT WAS R E T UR NE D TO OPERAeLE STATUS WITHOUT RETESTING TO ESTABLISH THAT THE CRITERIA COULO BE MET.
THE f!GNIFICANCE OF D
y
?
r y,
Id/5/0000001-000CO30//
24 CONTINUATION 1
PAGE 80 THE STAR T ING T IME CRITER I A #AS NO T UNDERSTCOD SY OPERATIONS PERSONNEL.
D1E TES T PROCEDURE IS SE I NG R EV I SEO TO CLARIFY TETEST REGU IRE ME NTS.
16/5/0000001-0000030//
25 ACCESSION NO.
00ZOI17676 TirLE DIESEL GENERATOR FAILS TO START WITHIN TIME LIMIT AT SIG ROCK POINT CORPAUTH CONSUMERS POWER CO.,
JACKSON, MI DATE 1976 TYPE O
MEMO 2 PGS. LTR W /R O-21-76 TO U.S.NRC, REGION III. SEPT.
3, 1976.
OCCKET 50-155. TYPE CWR. M F G --G. E., AE SECH TE L AVAIL A V A IL AB ILI TY - NRC PUbLIC DOCUMENT ROOM. 1717 H STREET.
W ASH INGTON,
D. C.
20545 (08 CENTS /AAGE -- MIN..vuM CHARGE A2 00)
4HILE OPERATING AT 6 7?. POWER, THE EMERGENCY DIESEL GENERATCR FAILEO TO STANT #1 THIN THE REQUIREO 15 SECONOS OUR ING TES T I NG.
THE 4 A TER JACKET MdATER WAS FOUNO TO SE IFCPERATIVE.
IT #AS REPAIREO.
THE EXACT CAUSE OF VARI ATICNS IN STARTING CH AR ACT ER I ST ICS IS UNKNOWN.
PLANS TO MODIFY THE CR ANK ING-T I ME CY CLE ARE IN PRO GR E SS.
MEATER FAILURE MAY HAVE CCNTRIBUTED TO THE PR O B LEM.
13/5/0000001-O000030//
2o ACCESSION NO.
00Z011073o TITLE STARTING TIMc OF DIESEL GEN ER A TCR EXCEEOS LIMIT AT SIG ROCK DOINT COR P A U T H CCNSUMERS POWd %
CO.,
JACKSON. MI DATE 1976 TY Pd O
v5140 2 PGS. LTR WMRO-IS-76 TO U.S.
NRC. REGION III. AUG. 19, 1976, DCCKET 50-155. T Y P E --6.d R.
MFG--G.E..
A E --S ECH TE L AVAIL AVAILAdILITY - NRC PUBLIC DOCUMEN T ROOM, 1717 H STREET.
D.
C.
20545 (OS CENTS /PAGE -- MINIMUM CHARGE 52.00)
UNK N OW N.
O UR I NG WEEKLY TESTING OF THE EMERGENCY OIESEL ads IR AC T CAUSE GENdRATOR WH ILE THE RdACTOR WAS IN COLD SHUTDOWN. THE STARTING T IM E CF 25 SECCNO S WAS IN EXCESS OF THE 15 SECONO ECCS CR I TER I A.
THE EXACT CAUSE CF V AR I AT IONS IN STARTING CMARACTERISTIS IS NOT KNOWN, HOmEVER, PLANS TO MODIFY THE CRANK IN G T I ME CY C LE ARE IN PROGRESS.
THE DIESEL dAS RETESTED S-T I SF A CTOR ILY PRIOR TO PLANT STA R TUP ACTIVITIES.
1d /5 / C 0 0C 0 01-C 0 0 G0 30 / /
27 ACCISSION NO.
0020115738 TITLE DIESEL GEN E R AT OR CO N TR O L CIRCUIT OEFICIENCY AT SIG ROCK PO IN T CORPAUTH CONSUMERS PO eE R CO..
JACKSON. M1 DATE 1970 TYPt G
MEMO 2 PGS. LTR WMaO-11-76 TO U.S.
NRC. R EG ION III. JULY 2.
1976.
DCCKET 50-155. T Y PE --6 W R, M F G --G. E.. A E --8 ECH TE L AVAIL AVAILABILITY - NRC PUBLIC DOCUMENT ROOM. 1717 H STREET.
mASHINGTON.
D.
C.
20545 (ue CENTS /PAGE -- MINIMUM CHARGE 52 00)
ABSTRACT CAU5E - INAGCQUATE DESIGN REVIE=.
THE EVEAGENCY DIESEL GcNERATOW OU TP UT 3RCAKER CONTROL C IRCU I T wAS MODIFIh3 mITHOUT AGEGU ATE DESIGN REVIdn.
THE SUPPLY 4 AS CHANGED FROM A 20-AMP 3RE AK ER C14CUIT ON THE PLANT STATION SATTERY TO A 2-AMP FUSED C IR CU I T GN l bd Nda UPS SATTER A.
THE CIRCUIT COULO TRIP UNDER l
NCRMAL LOAv.
TH E FUSE WAS REPLACED BY # IRING.
THE CIRCUIT IS NC4 SUPPLIED THROUGH A 10-AMP OREAKE4.
THE INITIAL CHANGE WAS MADL dITHGUT ACEGUATE INFORMATION OF THE CIRCUIT C HA R A CT ER I S T icd.
1 d/5 /00 00 0 01 -G0 0 00 20 //
2o ACCESSION NO.
OCZu115066 TIT _:
DIESEL oCNERATOR mREAKER INTERLOCA FAILS TO FUNCTION AT BIG RCCK POINT CCHOAUTH CON SUM E R S P O WE R CO..
JACKSCN. MI DATE 1975 TY3E O
MEdC 2 PGS. LTR 4 M4 0-9 -7 6 TO U.S.
NRC. REGION III. JUNE 9.
1976.
OCCK E T 50-155, T Y P S --6 4 R.
MFG--G.E..
i 18/5/0000001-0000030//
20 CONTINUAT ION 1
PAGE 81 AVAIL AVAILABILITY - NRC PUBLIC DOCUMEN T ROOM. 1717 H STR EE T.
MINIMUM CHARGE WASHINGTON.
O. C.
20545 (08 CEN TS/P AGE S2 00)
A6STRACT CAUSE - UNKNDw N.
41TH THE UNIT IN COLD SHUTDOWN AND FOLLOW 1NG AN OVER LOAD TR IP CF THE ZA-28 OUS TIE 8REAKER. THE DIESEL G ENER A TOR QUmuT OREAKER INTERLOCK INVOLVING SHUNT TR IPO ING OF THE 1A-2B T I E BR E AK ER DIO NOT FUNCTION AND POWER w AS NOT AUTOMATICALLY SU PPL IED TO THE 28 SUS.
REMOTE MANUAL SWITCHING RES TORED REQUI RED PQwER SERVICES.
THE PROBLEM dAS NOT REPEATABLE 6Y EI TMdR OPERA TIONAL TESTING OR BENCH TESTING OF THE SMUNT TR IP DEVICE.
THE EXACT CAUSE IS NOT ANOWN.
18 / 5 / 0 0 00 0 01 -G 0 0 00 20 / /
29 ACCESSION NO.
OCZO11SO42 TITLE EMERGENCY DIESEL GENER ATCR TR IP S AT OIG ROCK POINT CORdAUTH CON SUMER S POmER CO.,
JACKSON, MI
's A TI 1976 YPE C
MEMG 2 PGS. LTR A /9 C-8 -7 6 TO U.S. NRC. REGION III. JUNE 9.
1976.
DOCKET 5C7 156. TYPE O wR. M F G --G. E., AE--BECH TEL AVAIL AVAILABILITY - NRC PUBLIC DOCUMEN T ROOM. 1717 H S TR E E T.
JASHINGTON.
G. C.
20545 (08 CENTS /PAGE -- MINIMUM CHARGE 52.00)
A6S TR ACT C AU SE - HIGH COOL ING wA TER.TE MPER A TUR E.
DURING A SHUTDOWN.
31ESdL GENE R AT CR wAS SUPPLYING A LOAD OF 95 Kw TO BUSES 1A AND 2s FOLLOW 1NG AN OVERLOAD TRIPPING OF BREAKER 52-2A dHEN IT TRIPPED UN M IG H CCO LING 4ATER TEMPERATURE.
THE COOLING PUMP SnAFT W AS FOLND TO SE 5 CORED AND dAS REPLACED.
THE INLET SCRECN wAS P AR TI ALL Y PLUGGED AND THE DISCHARGE CANAL 4AS FLUSMED AFTER REMOV ING STOP LOGS TO CLEAR DESRIS FROM THE D ISCH ARGE C ANAL S AY.
I d /5 /0 0 0 0 0 01 -G 0 0 C0 50 //
30 ACCES S 111N NO.
00Z0113200 TITLE 01ESEL GENER ATOR TR IPS ON HIGN COOLING 4ATER TEMPERATURE AT SIG ACCA POINT CORP Au rH CCNSUMERS PO *ER CO..
JACKSON. 41 CATE 1975 TYDE G
MEMO 2 PGS. LTR W/LER RO-4-76 TO U.S. NRC. REGION III. APRIL 15, 1976. DOCAE T 5 0-155. TYPE O'mH.
MFG--G.E.,
AE LECHTEL AVAIL AVAILABILITY - NR C PUBLIC DOCUMEN T ROOM. 1717 H SIREET.
W ASH ING TON.
3.
C.
2054S (OS CENTS /PAGE -- MINIMUM CHARGE 52 00)
AGST9ACT CAUSE - P LU G GE D INLET SCREEN.
DUR ING TE S T ING dITH THE RE ACTOR SMUT OOWN FOR RE F UE LING. THE EMERGENCY DIESEL GENERATOR TRIPoEC OUE TO 11GH C3 CL I NG WATER TEMPER A TUR E.
THE DATER PUMP SUCTION S CR EEN HAD StCOME 3 LUGGED SY MARINE GROdTH AND FOREIGN MATERIAL.
THE SCREEN WAS CLEANED AND THE UN I T TESTED S ATIS F A CTOR ILY.
y w
y m
---q
-,w
1 j
I i
W V
i-. CORSum8f5 n
2{
$ Power V
J' Company y
@l V
January 19, 1978 Direc:cr of Yuclear Reacter Resu!.atic Att : Mr Oc I avis, Acting 3 ranch Chief Cperating 2eac crs 3rsuch No 2 US Juelear Regularar7 Cc==1ssic:1 Washing: c, DC 20555 CC*C 50-155, II~3"!SI ?E-c -
3:G ECCI ?OI3T ?IAT2 - Obs ve aeje:0R QUES':'IONNAIZI 27 letter.iated rece=ber 15,197*, Const=ers ?cver vas requested to ec=plete a questic : sire to provide data for a study relating to --
--1' ** '
- 7 of standb7 diesel geners:crs. S.is request was later =cdified by letter dated January 3, 1978.
S.e attached questicc= aire and procedures provide all the infer =atics requested.
Willia S Skibitsky (Signed) i Willias S 5%ibitsky 3 clear Licensing Engineer
(
00: JGIeppler, USNRC l
l e
S 9
I e
rw www-w y-w-
y
--w.-,,-y
---p
.w,-v---
e-e--
wg
-,.y.
g,
,,y-,--%
wwg
.., _ _n 23
..O1
. f
. -LM
.}
.a S.
Are any foreien cases such as propane, freon, halorr, carton dioxide, etc. storea in the: Diesel Engine room?
Yes No I
or adjacent buildings? Yes No X If yes, (other than hand por able fire extinguishers), then identify gases and give approximate tank si:e.
3 Gases Volume (f t )
T.
Does control system aut.matically bypass, in emergency stsrting, any engine temporarily out of sertice for sair*enance? Yes No lrA' If yts, then how many failures to bypass have occured?
'tA U.
Does the control system autcmatically override the-test zode under emergency conditions? Yes N o _-- _,
starts in test node V.
Have repetitive mechanical failures occurred in any ccmoonent part or subsystes of tne engine, genera.or, or switch gear, etc.7 Yes No If yes, then wnica part or suosystem? sestter tesrtne ud starter contactor/ starter How =any failures?
a Give nature of failure.
3roken soring in contactor (2)
'Jorn gearing on starter (2)
Also - Plugging of cooling water intake / loss of pump seal I4 1
7'!el pump sttait Also - covernor sluttish (~any times) 3roken ncet key - 1 W.
Would periodic (yearly or other) evaluation and/or testing by "outside experts
- contribute significantly to *.he diesel-generator reliability? Yes 30 (Possibly)
Give brief reasons for the answer.
Possible - 11thou?h vendo9s reeresenri-tve has baan involred in several odifications.
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Give the ac::=mulated time-lcad ccerating ecord for each diesel-generator unit frem ins.allation to the present (Running Hours):
Preoperational tast Date June 1962
-:. Engine. :.. Surt Tes:1 ng 4-6ergency Total
- Serial Ho. :
Maintenance Mrs. :
and Other Mcurs :
No load Leaded : Sersice Has. :
- 300 3 1251 As 50 900
- 30:
623239 r.
SurveilTance tasr. load (percent of c:ntinucus : atingI 30:
- 2.
3.
Gf ve the prcjecttd or plannec ^1me-lead 0;:eritten for eat.h diesel-seneratar unit during the next 12 months.
- Suriatllance 4 Emergency :
io-=1
- Maintenance Mrs. :
and other :
Mcurs
- Seriice Mrs.
50 2
32 4
Provide *.he following summary of the periccic surteillance testing expeM ence:
1962 Starting date of surteillance testing (CL date) a.
b.
Periodic test interial Fon:51v 1962-1975 Weekly 1975-1978 c.
Total numoer of surteilTance ests :er er ed ~ 3c0 d.
Total nuccer of test failures _
a a 30 failure.c start
~ 19 failure to ac:ect load 2
failure to carry loac o
failures due to coerat:r error o
~
failure cue to ecuipment not being operttive curing emergency condi tions o
Supply a copy of the surteillance test prececures with this e.
e comoleted cuestionnaire.
- Also about 15 failures :o mae: a:arting time cet: aria es:ablished in 1976.
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Y.
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F.ain:enance - A nore comprehensive progra:2 shodd have been
~
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Design - A : ore 5cegrated ini:ial design should have been specified. M.any problems have been related to
" add-on features" to the basic unit.
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~ - Page 5 TABE ENTRIES
' EXPT.ANATION/CLARTFICATION Table t Reason for DG Cpuration and Scheduled Duration of Run: This column contains the different categories of diesel. generator operation. The categories are structured such that the start and run conditions are simitar for all of the cases in a category.
In. chis column, enter the scheduled cun duration for each of the test categories. Also enter the number of diesel generator starrs chac are done for each type of test. For example, if on the mouchly case there is one scatt from the local con-crois and one star from the remote controls, the number of starts per case is two.
If two or more diesels are started simultaneously for any reason, please record it as a multiple start.
DG No.: Enter each diesel generator's identification number in this column as shown in the example.
Number of Starts: Inter the sum of the successful and unsuccessful scare attempts for each category. If there are several starts for each test, include all of them, but be certain to record the number of starts per case in column one.
Number of Failures: Enter the sum of the failures for each category. A failure is counced if the objectives of the cast art not achieved. A subsystem failure that does not cause failure of the diesel generator system is not counted as a' failure, If the diesel generator did noe start, run, and load as required by the test, a failure should be recorded. However, if the diesel generator would have supplied power I
in some capacity for an emergency, please explain in Table 3.
For i
exmaple, if de diesel started or the second attempt or :he diesel l
was tripped to repair a minor oi". leak that would not have been a I
problem in an emergency, this snould be noted in Iable 3.
Percent Loading of DG ON): Enter the percentage that the diesel is loaded for each category. The continuous kilowatt racing is cot.sidered to be 100%.
Duration of Run Before Stop for each DC Failure: Record the run-time for each failure. If the diesel failes' to start, the run-time would be O nin.
Identification of Failures: Attached to this questionnaire are abstracts of the 1ERs related to the diesel generators. Ihe abstrac*s are numbered starting vi h one. Refer to this number to identify the failures, but if there was a failure for which there is no abstract, assign the failure a number and include it in Table 3.
l Table 2 Raasen for Downtime: Enter in this column the categories of schedule main-tenance that sake the diesel generator unavailable for emergency serrice.
l If the diesel generator is unavailable for emergency service during I
l surveillance cast ng, repor. that also.
1 l
1 e
)
~
zhel.,sure r - Fage 6:
2 Table 2 (cont'd)
Hours of Downttaa: Enter the number of hours that the diesel generator is unavailable for emergency service. Reporr the hours ander the column reactor shutdown or reactor sce shutdown as appropriate.
Coinnents: Comment ou, effa en return en service after maintenance has-begun, or other particMc infatmation.
Table 3 LIE Abstrace No. (Refer en at ached LIE Abstracts): The atrached LZRs are numbered starting from one. Refer to this L5t number in column one. Each LII abstrace should have..:n entry in this table. If there was a failure noe included 1:t.he attached abstracts, please assign it s numoer and enter it in this table.
Downtims Ec= s: En;er.he number of hours that :he diesel generat:or is unavailable for emerhenc7 service. Subdivide these total ho trs into :roubleshooting, parts delivery, and repair or replacanent.
Comments: Use :his column to ceimnene otr the downtime and :he failure.
? the reported failure was only a technical spscification violatica, but would not be a comple:e failure of the diesel generator to supply power or would only be a. delay, pleasu 614 horace i= chis column.
Table a Equipmune or procedure modified: Lisc in :his columr. :he equipment or procedures related :o :he ensrgency onsite pcwer system that have been codified since the reae:c became critical.
Date of Mod.: Enter the date that the modification was cempleted.
i Reason for Modification and Desired Improvement: Repcrt che reascu for the modificatien and the du:l. red or observed improvement in the system.
Description of Modtfication: 3riefly deser.be what nodification was made.
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Encloruro I - Pega 7 TAlil.E 1 Discs! G!nsrater opsrattons pxte Plant C.:ma nnn (Sasuple)
CelanJxr Veer l'J74 Unis' Ho.
1&2
~ Reason for DG Humber lh.mlae r ~ Percent Duration of kun ope r.e t t i,n, & acheduled IMI' of of 1.uading of Iletore Stop For IdentificeFlon of Failures
~
Duration of Run tio.
Starts t'a 11 u re s.
IM3 (KU)
E.acle IH3 Failure (Refer to at ractieJ I ens or Tab}e 1)
(
Te c ts. Spec Fe<@ Test tiontlity Surveillanco
~ 1 la 2
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1 PAGE 427 ACCESb!ON NO.
00ZoloOb55 TITLE 01ESEL GEN E R AT OR AN D AN ESF INOPERA8LE SIMULTANECUSLY AT P ALIS ADES 1 CORPAuTH CCNSUMERS POWER CO.
DATE 1983 TYP E O
)thaC LTR w/LER 60-041 TO U.S. NRC, REGION 1,
NOV 14, 1980,OCCKET 50-255. TY P E -Pw R. MFG--COM8, AE--HECH A'/ A I L AVAILABILITY - NR C PUBLIC DOCUMENT ROOM. 1717 H STREET.
D. C.
20555 (05 CENTS /PAGE -- MINIMUM CHARGE E2 00)
AdbTRACT OATE CF tVENT - 103080.
POWER LEVEL - 097%.
CAUSE -
PROCEDURAL D EF IC I EN CY.
OURING TESTING OF 01ESEL GENERATOR 1-2.
InE EOG =AS MADE INGPERABLE FOR ABOUT 5 M INU TES [N ORDER TO P ER FO RM CYLINDER LEAA TESTS.
COINCIDENT WITH THIS TESTING, CrARGING PUMP P-b bC WAS INOPERABLE FCR REPAIRS.
THE TEST PROCEuuke utb NO T REQUIRE VER IFICA TI ON OF OPERABILITY OF ESF ECUIPMENT PO dE AEO FRLM CPPCS ITE 01 ESEL PR IOR TO PERFORMING CYLINDER LEA 4 TE S T.
LEA 4 TEST Ib mEGUIRED TO St PERFORMED 48 TC d2 HOURS FOLLOd1NG PERFORMANCE OF OIESEL STARTING / LOADING SdCUENCE.
P-5 5C ocCxME INOPERASLE G. IRING THAT IN TERV AL.
PmOCEDURE MAS SEEN AEVISED.
CLaPONEN T CCDE ENGINE-ENGINES.INTEkNAL COMB US T IO N SYS TEM CODi Ei-cMERG GENER ATCR SYS & CCNTROLS t 2 /5 / O O G0 0 01 -C 00 00 09 //
2 AC;iSSICN NO.
OOZGib22E3 TitLL 01ESdL GENERATCR FAILS TO START AT PALISAGES C;4HauTH C CN SU Md R S PGedR CO.
DATE 1979 TYhd O
ME40 L TR 4/LER 79-036 TO U.S.
NRC. REL10N 3. SEP 2o.'1979. DOCKET 50-255, f Y P E--Pw 2 MFG--COMo. AE--6dCM CO N T ROL --427048 AVAIL AVAILA61LITY - NRC PUdLIC DOCUMENT ROOM. 1717 H S TR EE T.
=AdHINGTCN 0.C. 20555. (08 /PAGE -- M I N I MUM CHARGd 12.00)
WSTRACT J-TE OF EVENT - 0o2179. PCdER LEV EL - 09 6 %. CAUSE - 01R TY OIL IN CENcQATCR.'
OURING ROUTINE TESTING OF THE DIESEL GENERATORS.
THE 1-1 3/G FAILLO TO S T AR T.
THE 1 -2 OIESEL GENER A TOR
'# A S S TAR TtO TC O EMCNS TR A TE ITS OPER A61 LI TY.
THE 01cSEL WAS INOPdRAELE FOR 16.5 HOURS.
NO THREAT TO PUbLIC HEALTH OR S AF d TY iAISTh3 OIMTY OIL IN THE ENGINE COVERNOR CAUSEO THE FAILURE.
T H E GO V ER NOR 4AS ORAINEO AND FLUSHED TO RESTORE OPERAQ1LITY.
Tnd GGVERNOR OIL MAC 8EdN CHANGhD APPROXIMATELY O Nd MONTH PRIOR TO THE FAILURE. ouT APPARENTLY THE SYSTEM MAO NCT 3EEN ADEGU A TELY FLUSHdO.
COMPCNENT CCsE ENGINE-CNGINdS. INTERNAL COMBUSTION SYSTe# CC0c EJ-cMERG GcNiRATGR SYS & CONTROLS 52 /5 / G 0 00 0 01 -00 0 00 09 / /
3 ACCESSION NO.
0 0E 0151 c u9 TITLS DRAIN LINE ON DIESdL GENERATOR FUEL SYSTEM FAILS AT PALISADES CORPAUTM CCN SU ME R S PO nd R CO..
JACASON. M1 OATd 1979 TYPI C
MEMO 2 PGS. LTR m /L ER 79-005 TO NRC OFFICE OF I C E.
REGION 111.
FES.
2.
1979, OO C<E T 5 0-25 5.
TYPE--PWR, MFG--COMD..A E--BECH1EL AVAIL AVAILA61LITY - NR C PUdLIC DOCUMEN T ROOM. 1717 H STREET.
MINIMUM CHARGE W ASH I NG TON.
O.
C.
205S5 (Ca CENTb/PAGE 11.w01 100%.
CAUSE -
AGS Tw AC T D AT OF =VdNT - 010379.
POWER LEVEL VlbRATION.
OURING MONTnLY TESTING OF THE 1-1 01ESEL GENERATOP.
A 1/4-INCH CHAIN LINd IN THE OG FUEL SYSTEM 6RONE. RESULTING IN THE SPRAYING OF 100-150 GALLONS OF FUEL CIL ONTO THE dNGINE.
l NO F1kE mESULTED.
THE GENERA TOR 4AS UNLOADEO AND THE ENGINE l
AAb MANUALLY TRIPPEO.
THE REOUNDANT OGE WAS TESTED TO l
OdM CN ST R A1 E ITS OPdRASILITY.
THE ORAIN LINE FAILURE IS I
c2LIEVE0 TO HAVE EDEN CALSEO SY V 16H A T ION.
THE FITTING. WHICH 4AE RECENTLY i NS T ALLEO, MAS 6EEN REMOVED RETURNING THE 1-1 OG TO'!TS UN I G I NA L CONFIGURATION.
IT HAS 6EEN VERIFIED THAT THE 1 -E OG NEVEk.HAO TH IS F I T TING INS T ALL'dO.
COMPONEN T COGC d 1P E T A-41PE d.F IT T IN GS SYSTEM CCJc d;-dMERG GENcHATOR SY S & CCNTROLS 7
y
-_~.
PAGE 42S 52/5/0G00001-0000009//
4 ACCESSION NO.
00ZO149225 TITLE POTENTI AL FOUND FOR 01CSEL GENERATOR OUTPUT BREAKER TO LOCKOUT O PEN AT P AL I SA DE S CORPAUTH CCNSUMERS POWER CO.
DATE 1979 TY P6 Q
MEMO L1R 4/LER 79-0 16 TO U.S. NRC. R EG ION 3. APR 30. 1979. DOCKET 50-235. TYP E-PM. MFG--COMB. AE--BECH CON T R O L--025696 AVAIL AVAILASILITY - NRC PUdLIC OOCUMENT ROOM. 1717 H STREET.
W ASHING TON O.C. 20553. 108 /PAGE -- M I N I MUM CHANGE 52.00)
A!STR ACT DATE OF EVENT - 040o79. POWER LEVEL - 000%. CAUSE - SEQUENCER C CN T AC T F A I LUR E.
ON-GOING IN VEST IGAT ION INTO THE R SUS TR IP S 4HICH OCCURRED L: RING FALL OF 1977 HAS REVEALEO A POTENTIAL FOR 1 -1 O iESEL GENER A IOR OUTPUT OREAKER TO " LOCKOUT OPEN*.
THIS POTENTIAL EXISTS GN LY 4 hen 1060-1 RELAY FAILS TO RESET FCLLOw1Nb GPERATION OF NCH M AL SHU TOOWN SEQUENCER.
THIS HAS OCCURRED 4 T IM ES.
A CONTACT (3A-6) ON THE NORM AL SHUTOOWN SEObdNC2R FAILIO TO OPdRATE.
THE SEQU EN CER WA5 REPA1REO.
TO PMEVCNT JECURRENCE. ANNUNCI AT ION OF RELAYS 10001 GR 10602 BEING E NE RG I Z EO d1LL dE PROV10EO.
COMPONENT COCE CATSRK-C 1RCU IT CLOSdRS/1 NTERRUPTER S SYSTEM C00t tE-cMERG GENER ATOH SYS C CONTROLi 52 /5 / 0 0 0 00 01 -0 0 0 C ;' 09 //
5 ACCESSION NO.
OC401419o3 TITLt CHARG ING PUMP REMOVEO FROM SERVICE eHILE A OG wAS INOPERABLE AT P AL I S AD ES CORPAUTM CONSUMEmN POWER CO.. JACASON. 41 OAT-1974 TYPE O
MEMO 2 PGS. LTR m /L ER 73-037 TO NRC OFFICE OF I L i. REGION 111.
NOV. 20. 1976. DOCKET 50-255. TY P E --9 w R. M FG --COM B..
AE--dECHTEL AVAIL A V A I LA S IL I T Y - NRC PUdLIC DOCUMEN T ROOM. 1717 M S TR EE T.
dASHINGTON, G.
C.
20555 (Od CENTS /PAGE -- MINIMUM CHARGE
$2.00, ABS TR AC T DATE OF bvENT - 10317o.
POdER LEVEL - 100%.
CAUSE - OPER ATOR b RR GR.
Duk 1 NG NORM AL PLANT CPERA T ION. 01EscL GENER ATOR NO.
1-2 dAS rAKEN QUTOF SERVICE TO PERMIT REP AIRS TO ITS PRE-LUSE OIL PUMP.
- 1TH D1 E 1 -2 D/G STILL OUT uF SERVICE. CHARGING PUMP P -o 6C dad ALdC TAAEN OUT OF SERVICE. SECAUSE OF LdAKING SSALS.
UPON DISCOVERY OF THIS CONDITICN. O/G 1-2 #A S AdTURNED TO SERV Cd.
THIS E VEN T IS STILL LNDER REV15w.
COMPUNENT CODE PLMP<X-OUMPS
' SY S TE M CODE PC-CHEM. VOL CONT G LIO POISN SYS 52/5/0000001-0C00009//
o l ACCESSION NC.
00Z0131702 l
TITLE l> PROPER R EMOV AL OF DEISEL GENERATOR OCCURS AT PALISADES j
u'RPAUTH CONSUMERS POWER CO.,
JACKSCN. M1
' OATE 1977 TYPE G
MEMG 2 PGS. LTR W /E R-77-52 TO NRC OFFICd OF 1 C E.
REGION 111, NOV.
i l
23.
1977. 00 C.*. E T S0-255. TYPE PwR. NFG--COMS.. AC--BECHTEL AVAIL AVAILx61LITY - NRC PUCLIC DOCUMENT ROOM. 1717 H STREET.
WASHINGTON, D.
C.
20545 (c6 CENTS /PAGE -- MINIMUM CHARGE 62.00) 100%.
CAUSE - OPERATC4 102677.
P U'a ER LEVEL AdST.4 AC T DATE CF dVENT ERROM.
PRIOR TO 4E40VING EMcRbENCY 01ESEL GENEHATOR 1-2 FROM StRv1CE TO PERrGAM HOUTINE MAINTENANCE. EOG I-1 dAS NOT VERIFIED TO LE OPERABLE.
THIS WAS AN OPERATOR OVERSIGHT.
U PO N 01SCOViHv. EOG 1 -1
- AS STARIED TO PROVE OPERASILITY.
I CCMAGNENT COGE Z Z4 ZZZ-COM PO NE N T CODE NOT APPLICABLE SYSTCM CODd EE-EMtRG GENbMATCR SYS & CONTROLS I
52/5/0000001-0000069//
7 ACCESSILN NC.
06ZG12o939 TITLE L= vet IN O ! E SE L OIL STOPAGE TANK low AT PALISAGES i
l CORPAUTH C ON SUN E nd P O.*d ;
CD..
JACASON. MI l
OATE 1977 TYPE O
l MEMO 2 PbS. LTh w/tR-77-G41 TO NRC OFFICE OF 1 & E.
REGION 111.
SEPT.
2.
1977. D OCK E 1 5 u -2 5 5.
TYPE--PuR, MFG--COM6..
AE--GECHTEL l
e l
C2/5/0000001-0000009//
7 CONTINU AT ION 1
PAGE 429 AVAIL AVAILASILITY - NRC PUBLIC DOCUMENT RCOM. 1717 H STREET.
d ASN I NG TON.
D.
C.
20545 103 CENTS /PAGE -- MINIMUM CHARGE S2.00)
ABSTRACT DATE OF EVENT - 082377.
POWER LEVEL - 0%.
CAUSE - LATE DEL IVER Y FROM SUPPL I ER.
DUR ING ROUT INE STAR TUP OPERAT IONS. TH E LEVEL IN DIESEL OIL STORAGE TANK T-10 WAS FOUND to HAVE OtCREASED TO S 2%.
THIS IS THE MINIMUM LEVEL REQU IRED FOR NEATUP AdOVE 325 F.
A PLANT COOLDOWN WAS COMMENCED IMME01ATELY.
TW O H OUR S LA T ER. OIL WAS DELIVERED AND HEATUP RESUMED.
FutL OIL HAD BEEN ORDERED THE PR IOR DAY uur NOT DELIVEREO DUC T3 LACK OF DELIVERY VEHICLE AT THE SUPPLIER.
COMFCNENT CODE A CCUM U-A CCuM UL A T OR S SYSTEM CODE EE-EMER G GENER ATOR SYS & CONTROLS S2/S/0000001-0000009//
6 ACCES$10N NO.
GCIQ122929 l TITL; DIESEL GENERATOR ST AR TING MOTOR AIR SUPPLY DEPLETED AT PALISACES i
' CLRPAUTM CONSUMERS PO%ER CO..
JACKSON. MI DATh 1977 TYoS Q
MEMO 2 PGS. L TR w TR-77-16 TO NRC OFFICE OF 1 G E.
R tG 10 N III. MARCH
- 11. 1977. DO CK ET S0-255. TYPE--9w R. MFG--COMO.. AE--BECHTEL AVAIL AVAILA6ILITY - NRC PubLIC DOCUMENT ROOM. 1717 H S TREET.
WAdHINGTON, D. C.
20545 (ou CENTS /PAGE -- MINIMUM CHARGE 52 00) 100%.
CAUSE - CRACKED AOSTRACT DATE CF cVEN T - 021 177.
POWER LEVEL P IP E N1 PPLE.
CUR ING TESTING OF DIESEL GENER ATOR 1-2.
THE CCOLING JACKCT WATER TEMPER ATURE LINE TO A PRESSURE SWITCH 3CGAN LEAAING.
THI S LEAKAGE CAUSED UNE OF THE 1.NGINE aid ST AR T MOTORS TO CYCLE dET WEEN START AND STOP. OcPLETING THAT S T AR T ING MGTOR'S AIR SUPPLY.
A 1/4 INCH PIPE NIPPLE CONNELTING THE D ISCHARGE OF THE WATER JACAET COGLING WATER PUMP TO A PRESSURE Sd1TCH CRACKED.
THE N1PPLE WAS REPLACED.
COMPONEN T COOh ENG IN E-dNb 1NES. I N TCRN AL COM80S T ION SYS Td M CCOc E E-EM t 4 6 GENER ATOR SYS & CONTROLS 52 / 5 / 0 3 00 a 01 -4 0 0 00 09 / /
9 ACCESSION NO.
0GZO114c40 TITLc DIEdEL CcNER ATCR AND MPS I PUMP CUT OF SERVICE A T PALISADES CORWAUTH CONSUMEkb PO *ER CU.,
JALKSCN, M1 DA ri 1976 TYPi 4
MEMU 2 PGS. LIR
~a-76-14 TO NRC OFFICE OF 1 G E. REGION 111. MAY
- 25. 1976.
50-s5d. TYPE
^wR.
MFG--COMO.. Ac--SECHTEL AVAIL AVAILAGIL!
AC PUBLI C DOCUMEN T kOOM. 1717 H S TR EE T.
MINIMUM CHARGE 4ASHINGTON.
C.
205*S (OE CENTS /PAGE E2 00) abs TR ACT CAUbd - JVER aE IGHT BY STAFF.
wn!LE OPERATING AT 25% PCwER.
OIESEL GENERATCH 1-1 *AS MADE INOPERASLE FOR PR EV cN T A TI VE MAINTENAtCh
- ILi 1 OF 2 MPSI PUMPS A SSOCI ATED WITH THE OPERASLE DIEbEL #AS INOPERA6LE.
THIS EVENT dAS REv!EWED BY THE SUPERVISOR I NV OLV ED.
ALS
O. PROCEDURE
THE CAUSE OF THIS EVENT dAS AN OVERS 1GnT Bf T HE GPcRATIONS STAFF.
. {}.,
---.-.A s
C3!1 Sum 8f3 e
s Power Comp 3HY
,0 99 c -..., m... ~,.,, - - - -., -. ~ c.,
m...
l J
(
. ans:,- 20.1973 l
k
.A.-
,p:
I Direc cr of Nuclear Reseter Regulatic Att: Mr Albert Schwencer, Chief Opers. ting Reac:crs 3rsnch Jo 1 C"5 Huclear Regulatory Cc d.sica Jasuing.cu, OC 20555 CCC*C 50-255 - LICZ3SI :PR PAC 3ADIS PLA2':' - DI m GZ3ZRA*.03
&~IS"'! 3HA*RI 37 letter datei Cece=ber li, 197"*, Ccesucers'?cver was requested.Oc cc 1ete 7
a questic= aire to proviis data for a study relating to ce relia'cilley of standby diesel sc..e sters.
"'his request.us later =cdified by letter dated January 3, 1973. T e 10: ached questicc= sire and procedure.. revide s*1 the infcr=ation requested.
Oavii ? Ecff=an (Signed)
- tvil ? Ecff=an Ar.sistant Jueles: Licensing Ad:<;istra:cr CC: JGKe;,pler, U.9., 7EC l
s--
7w s-
__m e
-ea-.---,-e,-w-.,-,
--*~-,e-----ey--,-,---.-.m.
w.
.-..we
,--...-,-,-e.-
w---w..--.#
rw-e,-
e-,,w,-=-w+--w-=----e-..- -. - ++-
.e I
n.%
20 -
5.
Are arry foreien cases such r,s prepane, freon, halon, carton
~
dioxide, etc. storec in :ne: Diesel Engine recm?
~
or adjacent buildings? Yes No _v_
Yes No y
If yes, (other tnan hand portable fire extinguishers), then identify gases and give tenroximate tant si:e.
3 e
Gases Volt.me ( f t ) _
T.
Does control system aut:matica11y bypass, f.r emeegency starting, any ingine tamcorarily out of sarrice for
- naintanacca? Yes No v
If yes, taen how many failures :s cypass nave oc:ureo?
i l
U.
Does tre control system aut =atically over-ide :Me tas made under emer;ency esndi fons? Yes v
't o 7.
Have recetitive mechanical failures occurnd in any ::mconent car or suosysten of :ne engine, generstar, er swit:M gear, etc.?
i l
Yes No I
If yes, nen wnicn part or suosystem?
l l
How cany fatiures7 _
Give nature of failure.
l
'J. 'Jould serisdic (yearly or other) evaluation and/or tasting ey *outside ex:erts" contributa significa.itly to :ne diesel-generstar reliacility? Yes No y
l Give brief reasons for :ne answer.
l l
~
\\
- y%
20 S.
Are any foreien cases such as pregane, freon, halon, carecn
~
dioxide, etc. Storea in the: Diesel Engine rocm?
Yes No y
cr adjacent buildings? Yes No r
If yes, (other tnan hand portaale fire extinguishers), therr identify gases and give appt eximate tant si:e.
J 1
2 Gases Volume (f t )
l T.
Oces control system aut:matically bypass, in emergency starting, any engine a.a.:cor2rily out of service for mainteranca? Yes No r
If yes, taen New many failures ta oypass have Oc:urec?
U.
Does the control system aut carica 11y overrf ce the tas:
moce under emergency c nditions? Yes
-r No V.
McVe nsetitive mechanical failures Occurrec in any ccmconent part or suosystem of :te engine, generator, cr swit:ft gear. etc.?
~
i Yes No I
I If yes, Onen whicn ? art or suosystem?
Her cany failures?
i Give nature of failure.
Vculd periodic (yearly or othe:') evaluation and/or tasting I
W.
by *cu: side ex:erts* contribute r gnificant!y to :ne diesel-generator relianility? Yes No T
Give brief reasons for :ne answer.
l f
l
.ZT-
~
X.
1.
GIve the ac::umulated time-load enerating record for each diesel-generator unit free installation to the present (Running Hours):
Preoperational test Date ?,d ik. ic 1
- Engine Sury. Testing & :
Emergency 7a:a1
- Serial No. :
Maintenance Hrs. :
and Otner Hours :
No Lord : Loaced : Service Hrs. :
9869 C
W L7
- 10 %.5 c
- 83o.2 l
9870 C
LU 1
2.
Surteillance test load (percent of continuous rating) cf '
3.
Give :ne projected or plannec time-load coerstien for each diesel-generator unit curing ne nex; 12 montns.
l
- 5urveillance a Emerr;ency :
Total
- siaintenance Hrs. :
r.nd ovner :
Hours eerri ce H rs.
l T2 hours C
72 h:u.rs.*
l 4
Provide the following summay of the periodic surveillance testing l
e ;:erience:
I a.
Starting dati of surve.11ance ssting (OL date)
'/?f/~1 3.
Periodic test interial ve r. e.1 -
c.
Total numoer of surveillance.es s performec 3?
l d.
Total cuecer of test f ailures,
=
fail.urt to star
- rer.e failure to acceot load ;e n, failure to carry loaa 5
f ailures due to coerator error failure due a ecuipment not peing coerative curing emergency conci-ions
- IC '
1 i
e.
Surely a cocy of the surveillance :es oracecures wi:n :nis c:moleted cues fonna.fre.
l l
l
~.,. - -_
__. _ _ _, _ _ _ _.. _ _ _ _ _ _ _ _, _. _