05000311/LER-1981-111, Forwards LER 81-111/03L-0.Detailed Event Analysis Encl

Forwards LER 81-111/03L-0.Detailed Event Analysis Encl

ML20033B596
Person / Time
Site:	Salem
Issue date:	11/18/1981
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20033B597	List: 05000311/LER-1981-111, Forwards LER 81-111/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-111-03, /03L-0:on 811022,during Boration Process, Pressurizer Pressure Dropped Below DNB Parameter for 5 Minutes.Caused by Injection of Excessive Amount of Boron in Rcs.Personnel Counseled Re Correct Procedure
References
NUDOCS 8112010553
Download: ML20033B596 (3)

LER-1981-111, Forwards LER 81-111/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111981111R00 - NRC Website

text

O PSEG Public Service Electric and Gas Company P.O. Box 168 Hancocks Bridge, New Jersey 08038 Salem Generm.ing Station November 18, 1981 Mr. R. tCI Haynes g

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Direct 6r of USNRC g

i Office of Inspection and Enforcement y

t Region 1 631 Park Avenue i

King of Prussia, Pennsylvania 19406 2

0 MI" 2 lI

Dear Mr. Haynes:

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LICENSE NO. DPR-75 DOCKET NO. 50-311

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REPORTABLE OCCURRENCE 81-111/03L Pursuant to the requirements of Salem Generating Station Unit No. 2, Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-111/03L.

This report is required within thirty (30) days of the occurrence.

Sincerely yours, ff H,

J. Midura General Manager -

Salem Operations CC:

Distribution 8112010553 811118_,.

PDR ADOCK 05000311 S

PDR 1 >p-The Energy People 952m n! mm

Report Number:

81-lll/03L Report Date:

11-18-81 Occurrence Date:

10-22-81 Facility:

Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OP OCCURRENCZ:

Pressurizer Prer.sure and Reactor Coolant System Average Temperature - Below DNB Parameter.

This report initiated by Incident Report 81-421.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 -Rx Power 50% - Unit load 500 MWe DESCRIPTION OF OCCURRENCE:

On October 22, 1981, during a boration process, the pressurizer pressure dropped below 2220 PSIA to a pressure of 2190 PSIA for a period of 5 minutes.

Action Statement 3.2.5.b was entered at 2310 hours0.0267 days <br />0.642 hours <br />0.00382 weeks <br />8.78955e-4 months <br />.

This occurrence constituted operation in a degraded mode in accordance with Technical Specification 6.9.1.9.b.

DESIGNATION OF. APPARENT CAUSE OF OCCURRENCE:

Pressurizer Pressare and Reactor Coolant System average temperature dropped due to injection of an excessive amount of boron into the Reactor Coolant System by the Control Operator failing to adhere to standard boration procedures.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.2.5.b requires:

With any of the above parameters exceeding it's limit, restore the parameter to within it's limit within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or reduce thermal power to less than 5 percent of rated thermal power within the next 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

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LCR 81-111/03L.

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CORRECTIVE ACTION

The boration process was immediately terminated and the Control Operator was counseled by the Shift Supervisor in proper boration procedures.

In addition, the entire shift was made aware of the correct procedure and the consequences of over-borating the Reactor Coolant System.

Action Statement 3.2.5.b was terminated at 2315 hours0.0268 days <br />0.643 hours <br />0.00383 weeks <br />8.808575e-4 months <br />, October 22, 1981.

FAILURE DATA:

Not Applicable Prepared By K. Whitcomb f

.r % _

//

General Mdnager -

SORC Meeting No.

81 119B