ML18219C325

Submit LER 1976-048-00, LER 1976-049-00, LER 1976-050-00, & LER 1976-051-00

ML18219C325
Person / Time
Site:	Cook
Issue date:	11/30/1976
From:	Jurgensen R Indiana Michigan Power Co
To:	James Keppler NRC/RGN-III
References
LER 1976-048-00, LER 1976-049-00, LER 1976-050-00, LER 1976-051-00
Download: ML18219C325 (13)

Text

U.S. NVCI.EAA AEOVlATOAY~MMISSION DOCKET NUMOEA NRQ I'OA>sl 195 Q TGI 50-315~i FIt.E NVMnEA NRC DI'TRIDUTION FoA PART 50 DOCKET MATERIAL INCI DEPZ BEBT TOI FROM: OATE Ol'OCVMENT g Indiana 6 Hichigan Power Company 11/30/76 Hr.. J. G. Keppler Bridgman, Hichigan OATE AECEIVEO R. W. Jurgensen 12/2/76 5j4ETTE A ONOTOAIZEO PROP INPUT FOAM NUMnEA OF COPIES AECEIVED 0OP.ICINAI Pfu NCI.ASSIF ISO One signed copy Plcopv DES C A I P T ION ENCI OSUAE ~

Ltr. trans the following: Licensee Event Report (RO 50-315/76-48) on 11/1/76 concerning valve D10-316, RHR inspection. to cold legs 1 6 4 not cycling during surveillance testing.

(RO 50-315/76-49) on 10/30/76 concerning the sge65$ discovering of RHS-2, containment area monitor',,

setting exceeding tech spec limit.

(RO 50-315/76-50) on 11/6/76 concerning the tap sticking during the readout on 84 monitor tape, during the performance of a survei.llance test.,

(RO 50-315/76-51) on 11/7/76 concerning an abnormal alarm being received on the east PLANT NAME: NOTE: IF PERSO>tt EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J .COLLINS Cook Unit No. 1 containment spray pump, during normal operation.

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FOR ACTION/INFORMATION 12 3 76 RJL

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ACBS CYS CYS ~256 SEII'O ~

INTERNAL 0 IST R I BUTION NRC PDR IREE 2 NIPC sc)rRQEDER IppoLITo HOUSTON NovAK c)rEGK GRIMES cAsr" BUTI>)&t 1rANAlli".B T)".DI"SCO IIACCARY E>rSI>II)mi MEB S11AO vor,r,le.l)/w>trclr K))1Ãl)lg~l.cor T rNs EXTL<<NAL I) IS1'<<IIIUTION CONr<<nL NUMIIE<<

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C we yJtp IItIDIANA 8 MICHIGAIII POWER CONPA 0 V DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 November 30, 1976 Mr. J. G. Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of Appendix A Technical Specifications and the United States Nuclear Regulatory Commission Regulatory Guide 1.16, Revision 4, Section 2.b, the following reports are submitted:

RO 50-315/76-48 RO 50-315/76-49 RO 50-315/76-50 RO 50-315/76-51 Sincerely, C4 n>

Zl

~ R. W. Jurgensen Plant Manager o~+'l.

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/mj cc: R. S. Hunter J. E. Dolan G. E. Lien R. Kilburn R. J. Vollen BPI R. C. Callen MPSC K. R. Baker RO: III R. Walsh, Esq.

P. W. Steketee, Esq.

G. Charnoff, Esq.

G. Olson J. M. Hennigan PNSRC R. S. Keith Dir., IE (30 copies)

Dir., MIPC (3 copies)

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89'0 PorrIT No. 4484 LICENSEE EVENT REPORT h CONTROL BLOCK: (PLEASE PAINT ALL REQUIRED INPORMATIONy 4 1 6 LLCENSEE UCENSE EVENT NAME LICENSE NUMBER TYPE TYPE

[op~] M I 0 C C 1 0 0 0 0 0 0 0 0 0 4 1 1 1, 1 ~0033 7 89 14 15 25 26 30 31 32 REPORT EVENI OATE RIPORT OATE SOURCE OOCKET NUMBER 112 REPORT'ATEGORY TYPE

~01CON'T~ L ~L 0 5 0 0 3 1 5 1 1 0 1 7 6 g 7 8 57 58 59 80 61 68 69 74 75 00 EVENT OESCRIPTION During surveillance testing, valve IM0-316, RHR Injection to cold legs 1 and 4 would'

[aa~]

8 9 80

~03 not c cl e. The ackin gland was backed off and the stem gear cleaned to reduce the 7

amount of torque required to operate the valve. The valve then operated properly.

top~]

89 80

[oO~]

7 8 9 80 Jog RO-50-315 76-48 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT COOE COOE COMPONENT COOE SUPPUER MANUFACTURER

~os ~SF e V A L V 5 X N L 3 0 0 N 7 8 9 10 11 12 17 43 44 47 CAUSE OESCRIPTION

{@gal The Limitorque operator fail ed to operate the valve because the valve packing gland 7 8 9 80

~0 9 was too tight. There have been no previous problems with the packing on. this valve 7 8 9 80 Qo] or similar valves in this system.

7 89 80 FACILIIY METHOO OF STAIUS - 54 POWER OTHER STATUS OISCOVERY OISCOVERY OESCRIPTION Pig 5 ~10 o N/A Surveil1 ance Testing 7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COIhITENT RELEASEO OF RELEASE AMOUNT'F ACTIVITY LOCATION OF RELEASE

[gg ~z ~z eA N/A

'80 7 8 9 10 11 44 45 PERSONNEL EXPOSURES NUMBER TYPE OESCRIPTION

~13 ~00 0

.12 Z

13 N A 80 7 8 9 11 PERSONNEL INJURIES 7 89 11 12 80 OFFSITE CONSEQUENCES

~15 N/A 7 89 80 LOSS OR OAMAGE TO FACILITY TYPE OESCRIPTION

[vie] Z N/A 7 89 10 80 PUBLICITY N/A 7 89 80 AOOITIONAL FACTORS

~18 N/A 7 89. 80 7 89 NAME'65-5901 D. G. Wizner QPO Ob I 80 86T

g ~ ~

LICENSEE EVENT REPQfg

'ONTROL BLOCK: (PLEASE PRINT AU. REQUI$ tEO INFORPAATIQN3

• 1 6 UCENSEE ~ ~ UCENSE EVENT" NAME "'" ~

UCENSE NUMSER TYPE TYPE

'0

~

[aa~] g I 0 C C 1 0 0 0 0 0 0 0 0 4 1 1 1 1

~03

• 7 89

~

14 15 25 26 30 31 32 gg 7 8 57 58 AEPOAT pQ 59

~L 60 L0 AEPOAT 61 5 p p 3 1 5 68 69 1 0 3 II Z 5 74 75 1 1 2 9 80 EVENT DESCRIPTIDN Jog ON OCTOBER 29 1976 WHILE PERFORMING CONTAINMENT RMS TRIP SETPOINT ADJUSTMENT 7 89 480

~03 PRO EDURE IT WAS DISCOVERED THAT RMS-2 CONTAINMENT AREA MONITOR SETTING WAS 7 89

~04 3.38 TIMES BACKGROUND AND RMS-11, CONTAINMENT ATMOSPHERE PARTICULATE'MONITOR 7 8 9 eo,

@05 SETTING WAS 5.84 TIMES BACKGROUND.. TECHNICAL SPECIFICATIONS NO. 3.3.3.1 SPECIFIES 7 8 9 80 toD~] THESE ALARM TRIP SETPOINTS SEE SUPPLEMENT) RO-50-315/76-49) 7 PRME 80 89'YSTEM CAUSE COMPON84T COMPONENT COOE COOE SUPPUER MANUFACZURER VlOLATION

~BB A Z Z Z Z Z Z ~Z Z Z Z Z ~Y

[oars 7 8 9 10 - 11 12 17 43,, 44 47 48 CAUSE DESCRIPTION

{op/ AN AVERAGE VALUE FOR THE BACKGROUND READING WAS ESTABLISHED AS REQUIRED BY THE 7 8 9 PROCEDURE BUT THE OPERATOR FAILED TO LOWER THE SETPOINT TO THE TWO TIMES 7 8 9 80 BACKGROUND VALUE DUE TO THE METER READING OSCILLATING (SEE SUPPLEMENT)

,7 89 FACUTY METHOO OF 80 STATUS 34 POWER OTHER STATUS OISCOVEAY OZSCOVEAY OESCAIPTION 7

9~3 8,9~5, "

LJiiaa]

10 '12 13 e 44

~B'ONDUCTING 45 48 SURVEILLANCE PROCEDURES 80 FORM OF

'CTIVlTY CONTENT

'0 RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Qzg ~Z Z NA NA 7 8 9 11 44 45 PERSONNEL EXPOSURES,

~s ~00 0 Z NA 7 89 11 12 BO PERSONNEL INJURIES 7 89 11 12 80 PROB%SEE CONSEQUENCES Q~g 7 89 BO LOSS OR DAMAGE TD FACIUTY TYPE OESCRIPTION Z NA 7 89 10 80 PUBLICITY NA 7 89 80 ADDITIONAL FACTORS Q~B THE IMPORTANCE OF PROPER ALARM/TRIP SETPOINTS AND THE PROPER EXECUTION OF THE SET-7 89 80 Q~g POINT ADJUSTMENT PROCEDURE HAS BEEN REVIEWED THOROUGHLY WITH THE INDIVIDUAL INVOLVED.

7 89 .80 NAME z PHDNE 6PO 664 667

r SUPPLEMENT TO REPORTABLE OCCURRENCE RO-50-315 76-49 SUPPLEMENT TO EVENT. DESCRIPTION TO BE SET AT EQUALS TO OR LESS THAN 2 TIMES BACKGROUND. THIS CONDITION HAD EXISTED SINCE OCTOBER 23, 1976.

SUPPLEMENT TO CAUSE DESCRIPTION HIGH WHICH WOULD HAVE CAUSED INTERMITTENT HIGH ALARMS.

LICENSEE EVENT REPORT CONTROL BLOCK: 86 PRINT aLL RECIUIRKb It4R,

'1 6 "Wanaap LIENS EE NAME " UCENSE NUMBER UCENSE, TYPE EVENT,7 TYPE ',~

~o> M I 0 C C I 0 0 0 0 0 0 0 0 0

~~

7 89 14 15 REPORT REPORT CATEGORY SOURCE OOCKET NUMBER EVFNT OATE REPORT OATE

[oa~]cows TYPE L 0 5 0 0 3 1 5 1 1 0 6 7 6 1 1 2 9 7 8 57 58 59 60 61 68 69 74 75 EVENT OESCRIPTION 1" AT 86 PERCENT POWER, DURING THE PERFORMANCE OF A SURVEILLANCE TEST ON:,

[oaz] WHILE IN, MODE 7 8 9 ")BO m

7 89 THE SEISMIC MONITORING SYSTEM DURING THE READOUT ON ¹4 MONITOR 'TAPE THE TAPE WAS 80

~04 7 8 9 80, 89 (RO-50-315/76-50 80 Jog )

aa PRME

~ 80 SYSTEM CAUSE COMPONENT COMPONENT COBE COOE COMPONENT COOE SUPPUER MANUFACIURER VIOLATION

[ooze LIIEI ~B I N S R 0 17 N

43 44 W 2 0 47 48 7 8 9 10 11 12 CAUSE OESCRIPTION Qg8 THE CASSETTE TAPE MANUFACTURERED BY KINEMETRICS WAS REMOVED AND DISPOSED OF. NO EVENT 7 9 80 09 HAD OCCURRED BETWEEN CALIBRATION SEQUENCES, AS VERIFIED'BY THE OTHER TAPES. THEREFORE, CQ, 8 9 80 7

NO DATA WAS LOST DUE TO THE BAD TAPE. SPARE TAPES ON HAND WERE SEE SUPPLEMENT 7 89 FACIUTY METHOO OF 80 STATUS  % POWER OTHER STATUS OISCOVERY DISCOVERY OESCRIPTION

~t1 . ~0.0 6 NA B SURVEILLANCE TEST 7 8 9 10 12 13 44 45. 46 ao FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Z NA NA

.7 a 9.

~Z PERSONNEL EXPOSURES 1o 80 NUMBER TYPE OESCRIPTION

~00 0 Z NA ao 7 89 11 12 13 PERSONNEt INJURIES NUMBER OESCRIPTION

~OO O NA 7 8 9 11 12 80 P RGBABLTE CONSEQUENCES Q~g NA 7 89 LOSS OR OAMAGE TO FACIUTY TYPE OESCRIPTION.

t116 ~Z NA 7 89 10 80 PUBUCITY NA 7 89 80 AOOITIONAL. FACTORS I NA 7 89 ao Q1g NA 7 89 80 NAMET J. L. RISCHLING PoNE.(616) 465-5901(368)

GPO Sdt RIOT.

A SUPPLEMENT TO REPORTABLE OCCURRENCE RO-50-315/76- 50 SUPPLEMENT TO CAUSE DESCRIPTION CHECKED IN THE RECORDER hfITH NO OTHER MALFUNCTIONS. A REPRESENTATIVE FROM KINEMETRICS HAS PERFORMED THE SEMI-ANNUAL CHECKS ON THE SEISMIC MONITORING SYSTEM, WITH ALL INSTRUMENTS FUNCTIONING PROPERLY.

Form No. 4484 LICENSEE EVENT REPOR e CONTROL BLOCK: fPLEASE PRINT ALL REQUIRED IhlrsDRIVTATIDAI~

1 LICENSEE LICENSE IVFNI NAME LICENSE NUMBER TYPE I YPI.

rap~] N I 0 C C 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 L0003~I

~

7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE OOCICET NUMBER EVENT DATE REPORT DATE

[001]coun .L L 0 5 0 0 3 1 5 1 1 0 7 7 6 1 1 2 9 7 6 7 8 57 58 59 60 61 68 69 74 75 80

'EVENT DESCRIPTION During normal operation, an abnormal alarm was received on the east containment spray

'o 2,

7 8 9 80

~0 3 pump. An attempt to close the breaker in test position failed. The spring was dis-I 7 89 80

~os ~char ed and rechar ed and the breaker functioned ro er'I with no further alarms. Sub-7 8 9 80 sequent inspection and test of, the breaker revealed everything satisfactory.

7 8 9 80 RO 50-315 76-51 7 8 9 PAN/IE 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VIOLATION IoarI ~sB ~F c K "T BR K L I 0 0 5 N 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION

[op~] Although there are a number of possible causes for this condition, the most likely 7 8 9 80" Qom cause is that a contact in the control circuit did not close. Subsequent operations of 7 8 9 80

~10 the breaker while troubleshooting did not reveal a cause for failure.

7 89 FACILITY METHOD OF 80 POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION STATUS

~l0 35 5 0 N/A N/A, 7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COFITENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE P<g ~Z Z N A N/A 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION PQa ~00 0 ~Z N/A 7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTION

~00 0 N/A 7 89 11 12 BO OFFSITE CONSEQUENCES N/A 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION 7

Q]89 Z 10 N/A 80 PUBLICITY N/A 7 89 80 ADDITIONAL FACTORS Pg8 N/A 7 9 BO 7 89 80 David G. Wizner 465-5901 PHONE