ML17341A957

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Responds to Discussing Status of NUREG-0737,TMI Action Plan Item II.F.1.3 Re Containment High Range Monitor. All Monitor Calibr Will Be Completed by 820530
ML17341A957
Person / Time
Site: Turkey Point  NextEra Energy icon.png
Issue date: 03/12/1982
From: Robert E. Uhrig
FLORIDA POWER & LIGHT CO.
To: Varga S
Office of Nuclear Reactor Regulation
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-2.F.1, TASK-TM L-82-89, NUDOCS 8203190332
Download: ML17341A957 (10)


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REGULATORY.ORNATION DI'STRISUTION RYAN (RIDE)

AGCESSION NBR t 8203190332 DOC ~ DATE: 8?/03/1'2NOTA'RI'ZEP:

NO,

DOCKET FACIL 50-250 Turkey POint Planti 'Unit 3E FlOrida "POWer.'nd Light C

0500025)

,,"50 251 Turkey Point P/antr 'Unit 4E Florida 'Power and Light C

05000?51 AUTH'PHE AUTHOR AFFILIATION UHRIGER,ED Flor ida Powers Li'ght Co.

RECIP,TAHE RECIPIENT AFFIL'IATION VARGAES ~ AD Operating Reactors Stanch

SUBJECT:

Responds to 820208 lttr re status of NUREG>>0737'.THI, Action

'Plan Item II~ F ~ 1 ~ 3rcontainment high ran'ge maniitors.Al l monitor cali'br will be completed by 820530

'ISTRISUTIOP CODE;:

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TXTLE: Response to NUREG 0737/NURKG 0660 THI Action 'Plan Rgmts (OL's)

NOTES:

REC IP IENT ID CODE/NA'NE ORB Pi 'BC

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FLORIDAPOWER & LIGHTCOMPANY March 12, 1982 L-82-89 Office of Nucl ear Reactor Regul ation Attention:

Steven A. Varga, Chief Operating Reactors Branch g1 U ~

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Nuclear Regulatory Commi ssion Washington, D ~ C ~ 20555 Dear Mr.

Va rga:

Re:

Turkey Point Units 3 5 4 Docket No ~ 50-250 5 50-251 Post-TMI Requirements NUREG-0737 Items I I ~ F ~ 1 ~ 3 Containment Hi h Ran e Monitors 4"

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>r This i s a response to your letter of February 8, 1982 concerning the status of NUREG-0737 Item II.F. 1 ~ 3 at Turkey Point Units 3 5 4.

The redundant Containment High Range Radiation Monitors are operable in Unit 4.

The schedule which we provided Mr. Eisenhut in letter L-82-5 dated January 7, 1982, for the operability of the Unit 3 monitors called for the Unit 3 system to be operable prior to the startup from the current steam generator repair outage.

It was recently discovered that one of two redundant SIGMA indicators to be mounted in the control room was defective.

It has been shipped to the vendor and is scheduled to be returned to the plant within six weeks't is our intent that one train of the system will be completely operable by the Unit 3 startup and that the redundant train will be operable following the receipt and installation of the repaired or replaced indicator.

A review of the Containment High Range Monitoring System purchased and installed indicated that the only technical deviation from the positions stated in NUREG-0737 concerned the in situ calibration of the monitors.

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Page 2

Re:

Turkey Point Units 3 5 4 Docket No. 50-250 8 50-251 Post-TMI Requirements NUREG-0737 Items II.F.1.3 Containment Hi h Ran e Monitors Due to misinterpretation of the calibration requirements of NUREG-0737, Item II.F. 1.3, the in situ calibration for at least one decade below 10 R/hr by means of a calibrated radiation source was not made.

The system was checked for source indication using a lower strength source.

In situ calibration by electronic signal substitution was made for the higher ranges of the monitor.

A calibrated radiation source will be used to complete the calibration of the monitors in accordance with the requirements of Item II.F.1.3.

Both channels of Unit 3 will have their calibration completed prior to star tup from the current steam generator repair outage.

The calibration of one channel of the Unit 4 system will be completed prior to April 1, 1982.

The redundant Unit 4 monitor, which is not accessible during plant operation, will have its calibration completed duri ng the next Unit 4 outage currently scheduled to begin on May 30, 1982.

It is cur rently intended that all II.F. 1 technical specifications will be consolidated and forwarded in one transmittal.

Very truly yours, Robert E. Uhrig Vice President Advanced Systems

& Technology REU/PKG/cab cc:

Mr. James P. O'Reilly, Region II Mr. Harold F. Reis, Esquire

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FLORIOA POWER 8I LIGHT COMPANY INTER& F F ICE COR R ESPOND ENCE R.

E. Uhrig J.

W. Wil:liams, Jr.

s"EL'FOTr Turkey point Units 3

'8I 4 Post-TMI Requirements NUREG-0737 Item II.F.1.3 Containment Hi

h. Ran e Noni,tors Nuclear Energy BAR i2 582 COPIES To R

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Kent D.

W. Jones H.

N. Paduano/910.13TP C. 0.

Woody H.

E. Yaeger/J.

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Yespica PRN-L1-82-88 The subject information is attached for your review and forwarding to the 'NRC.

J.

W. Will.iams, Jr..-

PKG/cab Attachment PEOPLE... SERVING PEOPLE Form 1008 (Stockod) Rov. 8/81

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Page 2

Re:

Turkey Point Units 3

8 4 Docket No. 50-250 5 50-251 Post-TMI Requirements NUREG-0737 Items II.F.1.3 Containment Hi h Ran e Monitors Due to misinterpretation of the calibration requirements of,NUREG-0737, Item II.F.1.3, the in situ calibration for at least one decade below 10 R/hr by means of a calibrated radiation source was not made.

The system was checked for source indication using a lower strength source.

In situ calibration by electronic signal substitution was made for the higher ranges of the monitor.

A calibrated radiation source, will be used to complete the calibration of the monitors in accordance with the requirements of Item II.F.1.3.

Both channels of Unit 3 will have their calibration completed prior to startup from the current steam generator repair outage.

The calibration of one channel of the Unit 4 system will be completed prior to April 1, 1982.

The redundant Unit 4 monitor, which is not accessible during plant operation, will have its calibration completed during the next Unit 4 outage currently scheduled to begin on May 30, 1982.

It is currently intended that all II.F.1 technical specifications will be consolidated and forwarded in one transmittal.

Very truly yours, Robert E. Uhrig Vice President Advanced Systems

& Technology

-REU/PKG/cab cc:

Mr. James P. O'Reilly, Region II Mr. Harold F.

Rei s, Esquire

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