ML20154J372

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Forwards SER of EPRI Topical Rept TR-106439, Guidelines on Evaluation & Acceptance of Commercial Grade Digital Equipment for Nuclear Safety Applications. Rept Contains Acceptable Method for Dedicating Commercial Grade Equipment
ML20154J372
Person / Time
Issue date: 07/17/1997
From: Matthews D
NRC (Affiliation Not Assigned)
To: Torok R
ELECTRIC POWER RESEARCH INSTITUTE
Shared Package
ML20154J376 List:
References
PROJECT-669 TAC-M94127, NUDOCS 9810150221
Download: ML20154J372 (3)


Text

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2 NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 30666 4001 g# July 17, 1997 i

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Mr. Raymond C. Torok j- Project Manager, Nuclear Power Group Electric Power Research Institute

{ 3412 Hillview Avenue

Post Office Box 10412

) Palo Alto, CA 94303

SUBJECT:

REVIEW 0F EPRI TOPICAL REPORT TR-106439, " GUIDELINE ON EVALUATION AND ACCEPTANCE OF COMMERCIAL GRADE DIGITAL EQUIPMENT FOR NUCLEAR SAFETY APPLICATIONS" (TAC NO. M94127) l

Dear Mr. Torok:

By letter dated December 4,1996, the Electric Power Research Institute (EPRI) submitted topical report TR-106439, " Guideline on Evaluation and Acceptance of j Commercial Grade Digital Equipment for Nuclear Safety Applications," for staff

' review. The staff has completed its review of EPRI's topical report and prepared the enclosed safety evaluation report.

The staff has determined that TR-106439 contains an acceptable method for

' dedicating commercial grade digital equipment for use in nuclear power plant safety applications and meets the requirements of 10 CFR Part 21. Further, the staff concludes that when digital equipment is dedicated using the methods described in TR-106439, it may be considered equivalent to digital equipment designed and manufactured under a 10 CFR Part 50, Appendix B quality assurance j program. Licensees may utilize the TR-106439 approach when installing digital l modifications utilizing commercial grade equipment. This includes microprocessors that are embedded in electrical and mechanical equipment as

.j well as process instrumentation and control systems. While the staff finds 1

-TR-106439 acceptable, it is a generic proposal and therefore, licensees j referencing TR-106439 will need to document the details regarding the dedication process and specific critical characteristics including the

] verification information described in Standard Review Plan Chapter 7 such as

qualification reports, system description and software and hardware design and t

quality assurance documentation. The staff will include a reference to TR-106439 in Chapter 7 of the Standard Review Plan.

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<F S' Y 176 3 9810150221 970717 PDR TOPRP EX1EPRI .

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Mr. Raymond C. Torok July 17, 1997 If you have any questions regarding this safety evaluation report, please contact Jim Stewart at (301) 415-2824, e-mail: jcs19nrc. gov. i Sincerely, iW David B. atthews, Chief l

Generic Issues and Environmental l Projects Branch  !

Division of Reactor Program Management '

Project No. 669

Enclosure:

As stated cc w/

Enclosure:

See next page l

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t l Mr. Raymond C. Torok July 17.1997 1

If you have any questions regarding this safety evaluation report, please contact Jim Stewart at (301) 415-2824, e-mail: jcs19nrc. gov.

Sincerely, Original Signed By:

David B. Matthews, Chief Generic Issues and Environmental Projects Branch Division of Reactor Program Management

Enclosure:

As stated cc w/

Enclosure:

See next page DISTRIBUTION:

CENTRAL HICB/RF JStewart JWermeil M51osson DOCKET PGEB/RF JHWilson JMauck Sweiss DOCUMENT NAME: EPRI.SER (97 28) *SEE PREVIOUS CONCURRENCE f

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OFFICE HICB:DRCH SC:HICB BC:HICB PISB: DISP HOM8:DRCH D:DRCH gI l NAME JStewart' JMeuck' JWerm;el* R Gello

  • SBlack' RSpessard- OMetthews DATE 04/14/97 o4/14/97 -

04/15/97 04/16/97 04/17/97 o7/14/97 07/[/97 OFFICIAL RECOF D COPY i

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