ML20198A501

Forwards Instrumentation & Control Sys Branch Safety Evaluation Addressing License Condition 22, Control Sys Failures. Based on Licensee 830624 & 1110 Ltrs & 850918 & 24 Telcons,License Condition Requirements Satisfied

ML20198A501
Person / Time
Site:	Columbia
Issue date:	10/30/1985
From:	Houston R Office of Nuclear Reactor Regulation
To:	Novak T Office of Nuclear Reactor Regulation
Shared Package
ML20198A507	List: ML20198A501 ML20198F404
References
CON-WNP-0839, CON-WNP-839, REF-GTECI-A-47, REF-GTECI-SY IEB-79-27, TAC-56674, NUDOCS 8511050315
Download: ML20198A501 (2)

Text

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ucc.nud OCT 3 C 196-C/6 MEMORANDUM FOR: Thomas M. Novak, Assistant Director for Licensing Division of Licensing FROM: R. Wayne Houston, Assistant Director for Reactor Safety Division of Systems Integration

SUBJECT:

SAFETY EVALUATION; WNP-2 LICENSE CONDITION 22 (CONTROL SYSTEMS FAILURES)

Plant Name: WNP-2 Docket No.: 50-397 Licensing Status: OR TAC No. : 56674 .

Responsible Branch: LB #2 Project Manager: J. Bradfute Review Status: Complete The Instrumentation and Control Systems Branch (ICSB) has prepared the enclosed Safety Evaluation (Enclosure 1) addressing License Condition 22 " Control Sys-tems Failures" for WNP-2. This license condition consists of the three subparts listed below. These items are discussed in detail in the SER sections noted in parentheses. .

1. IE Bulletin 79-27, Loss of Non-Class 1E Instrumentation and Control System Power Bus During Operation (SSER #4, Section 7.5.2.3)

2. Qualification of Control Systems (SSER #4, Section 7.7.2.1, and *

3. Control Systems Failures (SSER #4, Section 7.7.2.2).

• Based on information provided by the licensee in letters G02-83-574 dated June 24,1983 and G02-83-1040 dated November 10, 1983, and telecons on September 18, 1985 and September 24, 1985, the ICSB has determined that these items have been adequately addressed by the licensee, and that the requirements

Contact:

l R. Kendall, ICSB X29451 ,

315 851030 h LN " # ,

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9 e i T. Novak 2 of the license condition have been satisfied, EG&G Idaho assisted the ICSB in their review under a technical assistance cohtract.

The ICSB's evaluation of licensee performance (SALP input) is provided in Enclosure 2.

. . . . ._.-.. h R. Wayne Houston, Assistant Director for Reactor Safety Division of Systems Integration

Enclosures:

Distribution: i As stated Document Control 016 '

ICSB Rdg.

cc: R. Bernero R. Kendall.(PF)(4)

W. Butler J. Calvo J. Bradfute F. Rosa ADRS Rdg.

J. Joyce

.). Mauck R. Stevens

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