ML20059A701

Forwards Sser Concluding That Rochester Instrument Sys Model SC-1302 Isolation Device Acceptable for Use at Plant for Interfacing SPDS W/Class IE Circuits

ML20059A701
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/17/1990
From:	Alexion T Office of Nuclear Reactor Regulation
To:	Carns N ENTERGY OPERATIONS, INC.
Shared Package
ML20059A706	List: ML20059A701 ML20059A708
References
TAC-71251, TAC-71252, NUDOCS 9008230180
Download: ML20059A701 (3)

Text

.

August 17, 1990

-Docket Nos. 50 313 i

and 50-368 Entergy Operations, Inc.

ATTN: Mr. Neil S. Carns

'Vice President, Operations Arkansas Nuclear One Post Office Box 551 i

Little Rock, Arkansas 72203

SUBJECT:

liRKANSAS NUCLEAR ONE, UNITS 1 & 2 SUPPLEMENTAL. SAFETY EVALUATION OF THE SAFETY PARAMETER DISPLAY SYSTEM (SPDS) ISOLATICN DEVICE TEST-RESULTS (TAC NOS. 71251 & 71252) i By [[letter::05000313/LER-1988-009, :on 880922,three Inoperable Snubbers Discovered on safety-related Piping Sys.One Snubber Failed Due to Spec of Undersized Snubber & Other Two Found W/Inadequate Travel Remaining for Thermal Growth|letter dated February 28, 1989]], Arkansas Power & Light (AP&L) provided the test results concerning the isolation devices esed to interface the Non. Class-IE SPDS with. Class IE systems.

Subsequently, the staff issued a Safety Evaluation (SE) dated July 31,1989, and concluded that the SPDS isolation devices were acceptable with the excestion of one open issue.

The o involved the qualification ~of the Roc 1 ester Instrument Systems (RIS) pen issue Model 50-1302 isolation device.

By letter dated February 28, 1990, AP&L submitted the analysis of the test results for the RIS isolation device. The staff has' i

reviewed this information and, as discussed in the enclosed Su)plemental SE, has concluded that the RIS SC-1302 isolation device is accepta)1e fortuse at.

l ANO-182 for interfacing the SPDS with Class IE circuits.

Sincerely, a,g, tant ag, meg g o orssismi sisest 48 Thomas W. Alexion, Project Manager Chester Poslusny, Project Manager i

Project Directorate IV.1 Project Directorate IV.1 Division of Reactor Projects. III Division of Reactor Projects. III IV, Y and Special Projects IV, V and Special Projects Office of Nuclear Reactor Regulation Office of Nuclear-Reactor Regulation 1

Enclosure:

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August 17, 1990 Docket Nos. 50-313 and 50-368 Entergy Operations, Inc.

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ATTN: Mr. Neil S. Carns 1

Vice President Operations

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Arkensas Nuclea,r One Post Office Box 551.

Little Rock, Arkansas 72203 l

SUBJECT:

ARKANSAS NUCLEAR ONE, UNITS 1 & 2 SUPPLEMENTAL SAFETY EVALUATION OF THE SAFETY PARAMETER DISPLAY SYSTEM (SPDS) ISOLATION DEVICE TEST RESULTS (TAC NOS. 71251 & 71252) i By [[letter::05000313/LER-1988-009, :on 880922,three Inoperable Snubbers Discovered on safety-related Piping Sys.One Snubber Failed Due to Spec of Undersized Snubber & Other Two Found W/Inadequate Travel Remaining for Thermal Growth|letter dated February 28, 1989]], Arkansas Power & Light (AP&L) srovided the test results concerning the isolation devices used to interface tie Non-Class IE SPDS with Class IE systems.

Subsequently, the staff issued a Safety Evaluation (SE)datedJuly 31, 1989 and concluded that the.SPDS isolation devices were acceptable with the ex,ception of one open issue.

The o involved the qualification of the Rochester Instrument-Systems (RIS) pen issue Model SC-1302 isolation device.

By letter dated February 28, 1990, AP&L submitted the analysis of the test results for the RIS isolation device. The staff has reviewed this information and, as discussed in the enclosed Supplemental SE, has concluded that the RIS SC-1302 isolation device is acceptable for use at ANO-182 for interfacing the SPDS with Class IE circuits.

Sincerely, N

C WkA Thomas W. Alexion, Project Manager Chester Poslusny, Project Manager Project Directorate IV-1 Project Directorate IV-1 Division of Reactor Projects - III Division of Reactor Projects - i!!.

IV, Y and Special Projects IV, V 'and Special Projects Office of Nuclear Reactor Regulation Office of Nuclear Reactor Regulation

Enclosure:

SE ANO-1&2 cc w/ enclosure:

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Arkansas Nuclear One, Units 1 & 2 Entergy Operations, Inc.

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cc:

Mr. Early Ewing, General Manager Mr. Donald C. Hintz Technical Support and Assessment Executive Vice President Arkansas Nuclear One and Chief Operating' Officer Route 3 Box 137G Entergy Operations, Inc.

Russellville, Arkansas 72801 P. O. Box 31995 i

J Jackson, Mississippi 39286 Mr. Jerry Yelverton Mr. Gerald Muench Director Nuclear Operations Vice President Operations Support Arkansas Nuclear One Entergy Operations, Inc.

Route 3 Box 137G P. O. Box 31995 Russellville, Arkansas 72801 Jackson, Mississippi 39286 Mr. Nicholas S. Reynolds Mr. Robert B. McGehee, Esquire Bishop, Cook, Purcell & Reynolds Wise, Carter, Child & Caraway 1400 L Street, N.W.

P. O. Box 651 Washington, D.C.

20005-3502 Jackson, Mississippi 39205 i

Mr. Robert B. Borsum Mr. Charles B. Brinkmant Manager Babcock & Wilcox Washington Nuclear Operations Nuclear Power Generation Division Combustion Engineering, Inc.

1700 Rockville Pike, Suite 525 12300 Twinbrook Parkway, Suite 330 Rockville, Maryland 20852 Rockville, Maryland 20852 i

l Senior Resident Inspector Mr. Tom W. Nickels l

U.S. Nuclear Regulatory Commission Arkansas Nuclear One 1 Nuclear Plant Road Route 3, Box 137G j

Russellville, Arkansas 72801 Russellville, Arkansas 72801 e

Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Office of Executive Director i

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 l

Ms. b ta Dieus, Director Division of Environmental Health

. Protection Arkansas Department of Health 4815 West Markam Street Little Rock, Arkansas 72201

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