ML20057C709

Responds to & Discussions Re Bumping or Partial Stroking of Two motor-operated Safety Injection Valves, 2CV-5015-1 & 2CV-5016-2

ML20057C709
Person / Time
Site:	Arkansas Nuclear
Issue date:	09/27/1993
From:	Alexion T Office of Nuclear Reactor Regulation
To:	Yelverton J ENTERGY OPERATIONS, INC.
References
NUDOCS 9309290287
Download: ML20057C709 (4)

Text

-

Docket No. 50-368 Mr. Jerry W. Ye1

on Vice President, Operations ANO Entergy Operations, Inc.

Route 3 Box 137G Russellville, Arkansas 72801 i

SUBJECT:

BUMPING OR PARTIAL STR0 KING OF TWO MOTOR-0PERATED SAFETY INJECTION VALVES - ARKANSAS NUCLEAR ONE, UNIT NO. 2 1

This letter is in response to your letter dated September 21, 1993, and discussions we have had with you regarding the " bumping" or partial stroking of two motor-operated safety injection valves, 2CV-5015-1 and 2CV-5016-2.

The purpose of this activity is to maintain the required borated water volume in the safety injection tank (SIT).

Technical Specification (TS) 4.5.2.g requires a verification of the correct position of the electrical and/or mechanical position stop within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> following completion of a " valve stroking operation or maintenance" on a group of valves listed, including valves 2CV-5015-1 and 2CV-5016-2.

Your position has been that use of the valves in the manner described in your September 21, 1993, letter does not require the position of the stop to be verified.

When your position on this issue was questioned, you conservatively began to implement the verification surveillance following each occasion of " bumping" the valves to maintain the required volume in the SIT.

t We have reviewed your position on the use of the valves and have reached the following conclusion, which is specific to ANO-2 and this issue. After considering TS 4.5.2.g and its Bases in light of our understanding of your use of-the two valves, we agree that the use of the two valves should not invoke the requirement to verify the position of the stop. We also agree that similar use of the other ECCS throttle valves listed in TS 4.5.2.g.2, as described in your letter dated September 21, 1993, should not invoke the requirement to verify the position of the stop.

I Sincerely, TO8 TIN.l 3['Nn,BY $NcE SEr$MeFOR:

A P

Project Directorate IV-1 Division of Reactor Projects - III/IV/V Office of Nuclear Reactor Regulation cc:

See next page DISTRIBUTION:

Docket File NRC & LPDRs PD4-1 r/f J. Roe E. Adensam H. Rood P. Noonan A. B. Beach, RIV T. Alexion 0GC ACRS (10)

J. Norberg

• See previous concurrence C. Grimes 0TSB[f/)s RIV D(A):PD4-1 ADR4/!i/

0FC LA:PD4-1 PM:PDi-1 ENQi g,

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NAME PNoonan*/MNxiIn J cib$g skrfmeI TStetka*

DATE 9/16/93 9 /2A/93 9/fJ/93 h h/2 7/93 9/21/93 9 /$/93 9 /f//93 COPY YES/N0 YES/NO YES/NO YES/N0 YES/NO YES/N0 YES/NO 0FFICIAL RECORD COPY Document Name: AR2notac.ltr 9309290287 930927 3 Fo 1 DR ADGCK 0500 8

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b September 27, 1993 N'

Docket No. 50-368 Mr. Jerry W. Yelverton Vice President, Operations AND Entergy Operations, Inc.

Ruute 3 Box 137G Russellville, Arkansas 72801

SUBJECT:

BUMPING OR PARTIAL STR0 KING 0F TWO MOTOP.-0PERATED SAFETY INJECTION VALVES - ARKANSAS NUCLEAR ONE, UNIT NO. 2 This letter is in response to your letter dated September 21, 1993, and discussions we have had with you regarding the " bumping" or partial stroking of two motor-operated safety injection valves, 2CV-5015-1 and 2CV-5016-2.

The purpose of this activity is to maintain the required borated water volume in the safety injection tank (SIT).

Technical Specification (TS) 4.5.2.g requires a verification of the correct position of the electrical and/or mechanical position stop within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> following completion of a " valve stroking operation or maintenance" on a group of valves listed, including valves 2CV-5015-1 and 2CV-5016-2.

Your position '

has been that use of the valves in the manner described in your September 21, 1993, letter does not require the position of the stop to be verified. When your position on this issue was questioned, you conservatively began to implement the verification surveillance following each occasion of " bumping" the valves to maintain the required volume in the SIT.

We have reviewed your position on the use of the valves and have reached the following conclusion, which is specific to AN0-2 and this issue. After considering TS 4.5.2.g and its Bases in light of our understanding of your use of the two valves, we agree that the use of the two valves should not invoke the requ'rement to verify the position of the stop. We also agree that similar use of the other ECCS throttle valves listed in TS 4.5.2.g.2, as described in your letter dated September 21, 1993, should not invoke the requirement to verify the position of the stop.

Sincerely, TMSNY.' diNEOn,BY f.gNcf NrYNjeFOR:

p Project Directorate IV-1 Division of Reactor Projects - III/IV/V Office of Nuclear Reactor Regulation cc:

See next page DISTRIBUTION:

Docket File NRC & LPDRs PD4-1 r/f J. Roe E. Adensam H. Rood P. Noonan A. B. Beach, RIV T. Alexion 0GC ACRS (10)

J. Norberg

• See previous concurrence C. Grimes 0TSB[f/14 RIV D( A): PD4-_1 ADR4/!i /

OFC LA:PD4-1 PM:PDi-1 EMEb r,

3 NAME PNoonan*[MxtIn JNbNg brNeI TStetka*

WBecknh EAd h b DATE 9/16/93 9 h S 93 9/f>/93 h h/2 7/93 9/21/93 9 /f2/93 9 /A7/93 COPY YES/NO YES/N0 YES/N0 YES/N0 YES/NO YES/NO YES/NO OFFICIAL RECORD COPY Document Name: AR2notac.Itr

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}t UNITED STATES

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NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 0001

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September 27, 1993 Docket No. 50-368 Mr. Jerry W. Yelverton Vice President, Operations ANO Entergy Operations, Inc.

Route 3 Box 137G Russellville, Arkansas 72801

SUBJECT:

BUMPING OR PARTIAL STROKING 0F TWO MOTOR-0PERATED SAFETY INJECTION VALVES - ARKANSAS NUCLEAR ONE, UNIT NO. 2 This letter is in response to your letter dated September 21, 1993, and discussions we have had with you regarding the " bumping" or partial stroking of two motor-operated safety injection valves, 2CV-5015-1 and 2CV-5016-2.

The purpose of this activity is to maintain the required borated water volume in the safety injection tank (SIT).

Technical Specification (TS) 4.5.2.g requires a verification of the correct positi.on of the electrical and/or mechanical position stop within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> following completion of a " valve stroking operation or maintenance" on a group of valves listed, including valves 2CV-5015-1 and 2CV-5016-2.

Your position has been that use of the valves in the manner described in your September 21, 1993, letter does not require the position of the stop to be verified. When your position on this issue was questioned, you conservatively began to implement the verification surveillance following each occasion of " bumping" the valves to maintain the required volume in the SIT.

We have reviewed your position on the use of the valves and have reached the following conclusion, which is specific to ANO-2 and this issue. After considering TS 4.5.2.g and its Bases in light of our understanding of your use of the two valves, we agree that the use of the two valves should not invoke the requirement to verify the position of the stop. We also agree that similar use of the other ECCS throttle valves listed in TS 4.5.2.g.2, as described in your letter dated September 21, 1993, should not invoke the requirement to verify the position of the stop.

Sincerely, Thomas W. Alexion, Project Manager Project Directorate IV-1 Division of Reactor Projects - III/IV/V Office of Nuclear Reactor Regulation cc: See next page r

j

L

.e Mr. Jerry W. Yelverton Entergy Operations, Inc.

Arkansas Nuclear One, Unit 2 l

cc:

Mr. Harry W. Keiser, Executive Vice Mr. John R. McGaha President & Chief Operating Officer Vice President, Operations Support Entergy Operations, Inc.

Entergy Operations, Inc.

P. O. Box 31995 P. O. Box 31995 Jackson, Mississippi 39286 Jackson, Mississippi 39286 Mr. Robert B. McGehee Mr. James. J. Fisicaro Wise, Carter, Child & Caraway Director, Licensing P. O. Box 651 Entergy Operations, Inc.

Jackson, Mississippi 39205 Route 3 Box 137G Russellville, Arkansas 72801 Mr. Charles B. Brinkman, Manager Washington Nuclear Operations Mr. Nicholas S. Reynolds ABB Combustion Engineering Nuclear Power Winston & Strawn 12300 Twinbrook Parkway, Suite 330 1400 L Street, N.W.

Rockville, Maryland 20852 Washington, D.C.

20005-3502 Admiral Kinnaird R. McKee, USN (Ret)

Mr. Robert B. Borsum 214 South Morris Street Licensing Representative Oxford, Maryland 21654 B&W Nuclear Technologies 1700 Rockville Pike, Suite 525 Mr. Michael B. Sellman Rockville, Maryland 20852 General Manager, Plant Operations Entergy Operations, Inc.

Senior Resident Inspector Route 3, Box 137G U.S. Nuclear Regulatory Commission Russellville, Arkansas 72801 1 Nuclear Plant Road Russellville, Arkansas 72801 Reg!onal Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Honorable C. Doug Luningham County Judge of Pope County Pope County Courthouse Russellville, Arkansas 72801 Ms. Greta Dicus, Director Division of Radiation Control and Emergency Management Arkansas Department of Health 4815 West Markham Street Little Rock, Arkansas 72205-3867