05000237/LER-1981-047-03, /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

/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: 05000237/LER-1981-047, Forwards LER 81-047/03L-0 05000237/LER-1981-047-03, /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
References
LER-81-047-03L, LER-81-47-3L, NUDOCS 8108210412
Download: ML20010D061 (2)

LER-1981-047, /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

Event date:
Report date:
2371981047R03 - NRC Website

text

ZRC FCCM 366 U.S. NUCLEAR REGULATORY COMMISSitN lam LICENSFE EVENT REPORT e

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8 60 61 DOCKET NUMBER 68 E3 EVENT DATE 74 75 REPORT DATE 80 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

were stable. There was no effect on public health or safety. Previous occurrences:

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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 sidered necessary.

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8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUM8ER TYPE

DESCRIPTION

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P PERSONNE L INJU IES NUV8ER DESCRtPTION l3 la l [0 l0 l0l@l N/A l

7 8 9 11 12 80 LOSS OP OR DAMAGE TO PAcauTV TYPE DESCRl* TION 11191(,Zjhl l

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10 80 PusuciTv PDR ADOCK 05000237 NHC USE ONLY 45 ISSUED

DESCRIPTION

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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

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Commonwealth Ed.ison STA UNIT YEAR N O.

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

PLANT CONDITIONS

TESilNGO Rx Water Chemistry MODE StartuP 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

~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.

W. Pietryga 7/16/81 FAILURE 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 YES ]

10CFR21 14 DAY 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 TPH T. Tongue 7/16/81 1100 F. Palmer 7/16/81 1410

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REGION I1l DATE TIME

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