ML20010D061

LER 81-047/03L-0:on 810715,required 4-h Reactor Coolant Samples Were Not Taken.Caused by Personnel Misunderstanding. Sample Taken & Analyzed & Parties Instructed of Need for Effective Communication

ML20010D061
Person / Time
Site:	Dresden
Issue date:	08/12/1981
From:	Bergan G COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20010D058	List: ML20010D057 ML20010D061
References
LER-81-047-03L, LER-81-47-3L, NUDOCS 8108210412
Download: ML20010D061 (2)

Text

ZRC FCCM 366 - - --

U.S. NUCLEAR REGULATORY COMMISSitN lam LICENSFE EVENT REPORT e . .

CONTROL BLOCK: l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

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60 l Lhl 610l 5 l 0DOCKET l 0 lNUMBER 0 l 2 l 3 l 687 @l E3 0 l7 l1 l5 l8 l1 @l 750 l 8REPORT EVENT DATE 74 l1 l DATE2 l 8 l180l@

EVEf4T DESCRIPTION AND PROBA8LE CONSEQUENCES h ll o 12 l l During normal dnit startup, the required 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Rx coolant samples were not taken l l

, o ,3 ; l (T.S. 4.6.c.2). This was of minimal safety significance since, the grab sample results; l

ga;,g g for chloride and conductivity were acceptable and the conductivity r2 corder readings g go,3, ; were stable. There was no effect on public health or safety. Previous occurrences: g

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ocket M- M aM R.O. U-M M L O Docket WM. g jol7l l l 10181 i I 7 8 9 80 E CODE S SC E COMPONENT CODE SU8 code SU E

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,_ SEOUENTIAL OCCURRENCE REPORT REVISION LER/Ro EVENT YEAR REPORT No. CODE TYPE NO.

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KN AC N ON PL NT T HOURS 22 5 8 I FOR B. SU L MANUF C RER ..

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS ,

!li lo l l Because of an apparent misunderstanding with the shift engineere office on the after- J g noon of 7/15/81, the lab discontinued 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Rx water sampling. Following discovery  ;

g ; of the error at 0430 or. 7/16/81, a sample was immediately taken and analyzed. Both  ;

,,,,,l parties were briefed on the need for effective communication. No further action con-l

, ,,,y sidered necessary. ,

7 8 9 80 ST  % POWER OTHER STATUS D1 O Y ciSCOVERY DESCRIPTION f7Tsl I c ig l 0l 0l 1[gl N/A l lAlglSamplingreviewbyforeman l A TIVITY CO TENT F.ELEASED OF RELEASE LOCATION OF RELEASE 1 6 8 9 W @ lZ l@l 10 11 AMOUNT N/A OF ACTIVITY 44 l

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@l N/A l 7 80 PERSONNEL EXPOSURES NUM8ER TYPE DESCRIPTION l 1 l 7 I l 0 l 0 l 0 l@l Z l@l N/A l P PERSONNE L INJU IES NUV8ER DESCRtPTION N/A l3 la8 l9 [0 l0 l0l@l 7 11 12 80 l

LOSS OP OR DAMAGE TO PAcauTV TYPE DESCRl* TION 11191(,Zjhl N l

' 7 8 9 , 10 8108210412 810813 80 PusuciTv PDR ADOCK 05000237

$ NHC USE ONLY ISSUED DESCRIPTION 45 PDR 12101[,,_N,jhl N/A l llllllllllll lt; 7 8 9 1C 68 69 80 3 Gerald W. Bergan 815-942-2920 Ext. 529 o !

NAME CF PRFDARFR PHONE *

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(,_ )7 DEVIATION REPORT g .

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' DV R NO.

Commonwealth Ed.ison STA UNIT YEAR N O.

o 2- 78 AR1 Il TI TLE OF DEV! ATION OCCU RRED Failure To Take Rx Coolant Samples Every 4 Hours 7/16/81 0445 DATE TIME SYSTEM AFFECTED PLANT CONDITIONS TESilNG Rx Water Chemistry StartuP O

MODE PWR ivwT) 25.0 , LOAD (MWE) 0 YES NO DESCRIPflON OF EVENT During reactor startup, it was discovered that the last reactor coolant sample had been taken~at 1155 hours0.0134 days <br />0.321 hours <br />0.00191 weeks <br />4.394775e-4 months <br /> on 7/15/81. Tech. Specs. require sampling _every 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> during startup <100,000 lbm/hr steam flow.

DESCRIPTION OF CAUSE

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~dTHER APPLICABLE INFORMATION 7eedwater low flow valve open 80% and #1 bypass valve open approx. 50% during this period.

Reactor water samnle roccived at 0500 hrs indicated all parameters were within specs.

EQUIPMENT YES DR NO. WR NO.

FAILURE W. Pietryga 7/16/81 NO RESPON_SIBLE SUPERVISOR DATE PART 2 l OPER . TING ENGINEERS COMMENTS Samples prior to and after the missed samples were within Tech. Specs, limit. All personnel involved were spoken to.

SAFETY-TYPE OF CEVIAT!ON EVENT OF POTENTIAL TECH SPEC NON-REPORTABLE ANNUAL RELATED REPORTABLE Og URRENCE PUBLIC INTEREST VIOLATION OCCURRENCE REPORTING WR ISSUED 10CFR21 14 DAY _ _

YES YES ]

l Xl 30 DAY , h,h 0N _ _ _

NO NO X REPORTABLE CCCURRENCE ACTION ITEM NO. PROMPT ON-SI TE NOTI FI CATION NUMBER XXXX- 81-47/031r-0 C. Sargent 7/ 1 14 TI TLE CATE TIME 24-HOUR NRC NOTIFICATION PROMPT OFF-SITE NOTIFICATION

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TPH T. Tongue 7/16/81 1100 F. Palmer 7/16/81 1410

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_ REGION I1l DATE TIME TITLE DATE TIME TG\1 REGION IIi & COL . CATE TIME TITLE CATE TIME RESPONSI BLE COMP ANY OF FI CER INFORMED OF 10 C F R 21 CONDI TIONS AND THEI R PEPORT TO NPC + TITLE DATE TWL REvi EW AND COMPLETED  !

OPERATING ENGt NEER DATE ACCEPTANCE BY STATION REVIEW AS REOUIRED d, --- W"~ \'-  !

DATE 'O 'N " -

RESOLUTION APPROVED AND AUTHORIZED FOR DISTRIBUTION

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