ML20247A820

Forwards Safety Evaluation Accepting Util 831105 & 850726 Responses to Generic Ltr 83-28,Item 4.5.3 Re Reactor Trip Reliability - on-line Functional Testing of Reactor Trip Sys

ML20247A820
Person / Time
Site:	Arkansas Nuclear
Issue date:	07/11/1989
From:	Craig Harbuck Office of Nuclear Reactor Regulation
To:	Tison Campbell ARKANSAS POWER & LIGHT CO.
Shared Package
ML20247A824	List: ML20247A820 ML20247A837
References
GL-83-28, TAC-53960, NUDOCS 8907210328
Download: ML20247A820 (4)

Text

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' July 11,11989 Docket No. 50-313 Mr. T. Gene Campbell Vice President, Nuclear-

. Arkansas Power and Light Company

, P. 0. Box 551 Little Rock, ArkansasL72201:

SUBJECT:

SAFETY EVALUATION.FOR GENERIC LETTER 83-28. ITEM 4.5.3, REACTOR TRIP RELIABILITY -'ON-LINE FUNCTIONAL TESTING OF THE REACTOR TRIP. SYSTEM (TACN0.53960)

Generic Letter 83-28, Item 4.5.3, required confirmation from all licensees and applicants that on-line functional testing'of the' reactor trip system, including j

. independent testing of the diverse trip feature, was being performed.

By_ letters dated November 5, 1983 and' July 26, 1985 you submitted responses to Generic Letter 83-28,-Item 4 5.3 in which you endorsed the B&W Owners Group .

Topical Report BAW-1016'/, as being applicable to Arkansas Nuclear One, Unit 1 (ANO-1). The NRC staff, with the assistance of-our contractor,-Idaho National Engineering Laboratory, has reviewed your responses and the B&W Owners Group report. We conclude that the existing intervals for on-line functional testing at ANO-1 are consistent with achieving high reactor trip system availability.

The enclosed safety evaluation ad contractor's report (EGG-NTA 8341) provide the details and basis for our conclusion. Therefore, we consider Generic Letter 83-28, Item 4.5.3 to be complete.

This completes all staff activities related to TAC No. 53960.

Sincerely,

/s/

C. Craig Harbuck, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, Y and Special Projects Office of Nuclear Reactor Regulation

Enclosures:

As stated cc w/ enclosures:

See next page DISTRIBUTION-.j

Docket

File e/ NRC PDR Local PDR PD4 Reading G. Holahan L. Rubenstein F. Hebdon P. Noonan C. Harbuck OGC-Rockville E. Jordan B. Grimes ACRS(10) PD4 Plant File B. Mozafari

' DOCUMENT NAME: AN0 CLOSE0VT LTR/53960 PD4/LgGf?L.) PD4/PM PD4/R) gg' PNoonan CJiarbuc : j FHebdon s Of/// /89 CWr/// /89 ' 7D6'/i t /89 (

8907210328 890711 (

PDR ADOCK 05000313 p rDC l

. July 11,1989 J Docket No. 50-313 Mr. T. Gene Campbell

! Vice President, Nuclear Arkansas Power and Light Company

!- P. O. Box 551 Little Rock, Arkansas 72201

SUBJECT:

SAFETY EVALUATION FOR GENERIC LETTER 83-28 ITEM 4.5.3, REACTOR TRIP RELIABILITY - ON-LINE FUICTIONAL TESTING OF THE REACTOR TRIPSYSTEM(TACNO.53960)

Generic Letter 83-28, Item 4.5.3, required confirmation from all licensees and applicants that on-line functional testing of the reactor trip system, including independent testirg of the diverse trip feature, was being performed.

Ey letters dated November 5,1983 and July 26, 1985 you submitted responses to Generic Letter 83-28, Item 4.5.3 in which you endorsed the B&W Owners Group Topical Report BAW-10167, as being applicable to Arkansas Nuclear One, Unit 1 (ANO-1). The NRC staff, with the assistance of our contractor, Idaho National Engineering Laboratory, has reviewed your responses and the B&W Owners Group report. We conclude that the existing intervals for on-line functional testing at ANO-I are consistent with achieving high reactor trip system availability.

The er. closed safety evaluation and contractor's repert (EGG-NTA 8341) provide the detcils and basis for our conclusion. Therefore we consider Generic Letter 83-28, Item 4.5.3 to be complete.

This completer all staff activities related to TAC No. 53960.

Sincerely,

/s/

C. Craig Harbuck, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, V and Special Projects Office of Nuclear Reactor Regulation

Enclosures:

As stated cc w/enclosurss:

See next page DISTRIBUTION Docket File NRC PDR Local PDR PD4 Reading G. Holahan L. Rubenstein F. Hebdon P. Noonan C. Harbuck OGC-Rockville E. Jordan B. Grimes ACRS (10) PD4 Plant File B. Mozafari DOCUMENT NAME: AND CLOSEOUT LTR/53960 PD4/LAQ)G PD4/PM PD4/Dd.

PNoonan CJiarbuc : j FHebdon ~ ~

Of/// /89 #ffr/// /89 ~ 06/ /89 67

_ - _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ . _ _ _ _ _ . _ _. _ _ - - . _ _ .A

j o ne'

1. , UNITED STATES s .f NUCLE AR REGULATORY COMMISSION

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. wassmotos, o. c. rosss 14 e, / July 11, 1989 Do*.ket No. 50-313

'Mr. 'T. Gene Campbell Vice President, Nuclear Arkansas Power and Light Company P. O. Box 551 Little Ro'ck, Arkansas 72203

SUBJECT:

SAFETY EVALUATION FOR GENERIC LETTER 83-28, ITEM 4.5.3, REACTOR TRIP RELIABILITY - Oil-LINE FUNCTIONAL TESTING OF THE REACTOR' TRIP SYSTEM (TAC NO. 53960)

Generic Letter 63-28, Item.4.5.3, required confirmation f rom all licensees and applicants that on-line functional testing of the reactor trip system, including independent testing cf the diverse trip feature, was being performed.

. By letters dated November 5,1983 and July 26, 1985 you tubnitted responses to Generic- Letter 83-28, Item 4.5.3 in which you endorsed the B&W Ownet s Group -

Topical Repo'.t.BAW-10167, as being applicable to Arkansas Nuclear One, Unit 1 (ANO-1). The NRC staff, wi',h the assistance of.our. contractor, Idaho National Engineering Laboratory, has reviewed your responses and the B&W Owners Group report. We conclude that the existing intervals for on-line functional testing at ANO-1 are consistent with achieving high reactor trip system availability.

The enclosed safety evaluation and contracter's report (EGG-NTA 8341) provide the details ard basis for our conclusion. Therefore, we consider Generic Letter 83-28. Item 4.5.3 to be complete.

This completes all staff activities related to TAC No. 53960.

Sincerely, C. Craig Harbuck, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, Y and Special Projects  !

Office of Nuclear Reactor Regulation

Enclosures:

As stated cc w/ enclosures: j See next page l

. _. 1l

.- a l

y Mr. T. Gene Campbell i Arkansas Power & Light Sompany- Arkansas Nuclear. One, Unit 1 1

~

cc:

Mr. Early Ewing, General Manager i Technical Support and Assessment l Arkansas Nuclear One '

P. O. Box 608 Russellville,' Arkansas .72801 Mr. Niel Carns, Director Nuclear Operations Arkansas Nuclear One P. D. Box 608 Russellville, Arkansas 72801 Mr. Nicholas S. Reynolds Bishop, Cook, Purcell & Reynolds 1400 L Street, N.W.

Washington, D.C. 20005-3502 Mr. Robert B. Borsum Babcock & Wilcox Nuclear Power Generation Pivision 1700 Rockville Pike, SuP.e 525 Rockville, Maryland 20d52 Senior Resident Ip',pector U.S. Nuclear 0:gulatory Commission 1 Nuclear Plant Road Russellville, Arkansas 72801 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Office of Executive Director

-for Operations 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Honorable Joe W. Phillips County Judge of Pope County Pope County Courthouse Russellville, Arkansas 72801 Ms. Greta Dieus, Director Division of Environmental Health Protection

- Arkansas Department of Health 4815' West Markam Street Little Rock, Arkansa: 72201 w,