ML19340E410
| ML19340E410 | |
| Person / Time | |
|---|---|
| Issue date: | 11/18/1980 |
| From: | Danielle Sullivan NRC OFFICE OF STANDARDS DEVELOPMENT |
| To: | |
| References | |
| TASK-OS, TASK-RS-025-1, TASK-RS-25-1 NUDOCS 8101140382 | |
| Download: ML19340E410 (7) | |
Text
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- 2. Preliminary Value/ Impact Statement 1
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Attachments:
- 1. Page 1 Schedule Network
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- 2. Preliminary Value/ Impact Statement SD5fficeDirector I l'
TASK INI IA110N TO M cc:
SD Deputy Director Tasktio:h-Jf.
SD Division Director reg;,nirant Divisim Dirrrtor rei, nti.u.t li.-fiv i.fu els
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PRELI!4INARY VALUE/I!4 PACT STATE!4ENT 1.
PROPOSED ACTION 1.1 Description The applicant (licensee) of a nuclear power plant is required by the Commission's regulations to verify that structures, syst[s and components important to safety will perform their intended functions in spite of the environments which may result from the postulated accidents.
This verification includes environmental qualification by test and analysis. The proposed rule sets forth the Commissions requirements for the qualification by test and analy-sis of electric eqIJipment important to safety, including requirements for backfit.
1.2 Need for Proposed Action f
The current legal requirements for qualification are found in General s
,z A e 2*a 23 wm awJ B M Design Criteria 1,of Appendix A, Part 50; Crit:rion III,of Appendix B, Part 50; and 10 CFR 50.55a(h).
The NRC has used several methods to ensure that these i
general legal requirements are met for electric safety equipment.
For the oldest plants, qualification was based on the fact that the electric components were of high industrial quality.
For the newer plants after 1971, qualifie d L, was judged on the basis of IEEE 323-1971.
However, no Regulatory Guide en l
l ever issued endorsing IEEE 323-1971, although some of the plants referenced the standard in their licensing submissions to the Commission.
Fa'r D e newest plants whose safety evaluation reports were issued after July 1,1974, the Commission has issued Regulatory Guide 1.89 which, in mon rupects, endorsed the most recent IEEE 323-1974.
Currently, the Commission has underway a progr iri o reevaluate the qualifi-cation of safety-related electric equipment in aD operating reactors. As 1
part, of this program, the Staff bss developed more definitive criteria for the environmental qualification ff electric equip. cent.
The " Guidelines for Evaluating Er.ronmental Qualification of Class IE Electrical Equipment in Operating Reactors" (00R Guidelines) were completed in November 1979.
In addition, for remors under licensing review, the Staff has issued NUREG-0588,
" Interim Str.37 Position on Environmental Qualification oi' Safety-Related Electri*M Equipment."
! its Memorandum and Order (CLI-80-21) issued May 23, 1980, the Commissir endorsed the staff's actions to use the 00R Guidelines to review operating plants and NUREG-0588 to review plants under licensing review.
Further, the Commission ordered that these'two documents form the requirements which licensees and applicants must meet in order to satisfy those aspects of 10 CFR 50, Appendix A, which relate to the environmental qualification of safety related electric equipment.
The Commission also ordered that licensees of operating reactors are to comply with these requirements so that the applicable. equipment in all operating plants shall meet the DOR Guidelines or NUREG-0588.
The Commission's Memorandum and Order further directs that the Staff l
initiate rulemaking on environmental qualification of safety grade electrical equipmentY "The Cuidelince end M C 0500 CPP y Pr00 "*' MY"**"
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standanh Tui the sider p'lant:.
The justificctica for thi: pccitier 'er net g.endfathcred # rem the previsienc
!I crticuh ted at thc tim. Une oicer piani.s aci o r hg. %ide L 89.... "
e believe that mis prob!cm i: Sc:t rc 0!ved by a lI s
e an"inment.
.re?emaMng en env*ronmcatal qualificatica of scfety grade electrical l
If the staff proposed rule does r.ot require plants to be upgraded to a single uniform standard along the lines of the 1974 requirements in NUREG-0588, then h..
justification for that position will be articulated in depth and will be subject to comment in th.e proceeding.i 2
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"As ordered above, the Guidelines and NUREG-0588 will state the requirc.nents of GDC-4 until the rulemaking has been completed.
For this interim period, the licensee and the public should be able to examine the bases for the staff's judgment concerning qualification. Accordingly, a written record of the staff's qualification judgment should be kept."
- 1. 3 Value/ Impact of Proposed Action 1.3.1 NRC Operations Since regulations specifically setting forth requirements for the qualifi-cation of electric equipment in new and operating plants have never been issued
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in the past, the proposed action should resuP in more effective effort by the staff in reviewing applications for construction permits and operating licenses, and in the backfitting of the then current requirements to operating plants.
The proposed action will codify an NRC position by taking advantage of previous staff effort (1) in. completion of a generic activity (A-24), (2) in,the preparation of the 00R Guidelines, (3) in IEEE standards committee work, and (4) in the develop-ment, funding and monitoring of related research programs.
There should be little impact on the staff vis-a-vis the level of effort at the time the rule is approved. There may be additional effort in applying new regulatory positions (as codified in the rule) (1) regarding more stringent backfit, and (2) resulting from research effort not yet performed.
Also,~~
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approximately two man years of-effort is anticipated in preparation of the rule.
1.3.2 Other Government Agencies Not applicable, unless the government agency is'an applicant.
1.3.3 Industry The rule is expected to codify the then existing Regulatory practice with respe.ct to the application of the D0R Guidelines and NUREG-0588.
Should this b.e the case, the rule would have no impact. On the other hand, should the rule 3
.4 dw. c.JAu h s's 4CuJt g g(we.4 C,os N(coweh beh sq., M,
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requirc ; ba d iii ui Use..m c stringent NUREC-0500 beyond the ther existi~g he. smea 4 u ;\\t be m a3e r.
A\\ % g p:.:tice, the iTpect will be cc ;casm otu wit.i. the exter.t of additional caeaf4h
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it is difficult to place a dollar value on the impact
? bc;t ca tii.. ate is 3
f c wil --
m c.wcewat.ty lobl m.lb3 of Jopa,s,o - w l?.
$5,C 0,000 gr unit.i: c..i; a bcckfit caly te the CCP Cuidclines-.
The value of this proposed rule is that the industry will have clearly specified requirements to follow with respect to the qualification of electric equipment for new and existing plants.
This, in turn, should ease the licensing process for industry by eliminating delays resulting from misinterpretation of NRC's requirements.
1.3.4 P'ublic The proposed a'ction will improve public safety.by further ensuring that equipment important to safety will perform its safety functions in spite of environments which may result from the postulated accidents.
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No impact on the public can be foreseen.
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- 1. 4 Decision on Proposed Action The proposed action has been mandated by the Commission in its Memorandum and Order CLI-80-21, dated May 23, 1980.
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,5 2.
TECHNICAL' APPROACH - ---
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During the course of rule development over the next two years, it is not anticipated that significant technical improvement over the material in the 00R Guidelines and NUREG-0588 will be forthcoming from national standards committees.
In fact, a proposed revision (update) to IEEE 323-1974 is based substantially on the technical material in NUREG-0588. Additional new material may, however, be developed as a result of the various equipment qualification research programs currently underway.
Therefore, the technical approach will be essentially to 4
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codify the programs of the D0R Guidelines and NUREG as applied at the time of final rule publication, with additional supplementary material to reflect acceptable technical advances in this area.
Backfit considerations will be explicitly addressed.
Suitable portions of the two above cited documents may be incorporated by reference.
3.
PROCEDURAL APPROACH Rulemaking has been mandated by the Commission in its Memorandum and Order cited above.
4.
STATUATORYCONSIDEkATIONS 4.1 NRC Authority Authority for this Rulemaking is derived from the safety requirements of the Atomic Energy Act and, in particular, the Commission's Memorandum and Order s
cited above.
4.2 Need for NEPA Assessment The proposed :ction is not a major action as defined in paragraph 51.5(a)(10) of 10 CFR Part 51 aad does not require an environmental impact statement.
5.
RELATIONSHIP TO OTHER EXISTING OR PROPOSED REGULATIONS OR POLICIES No conflicts or overlaps with requirements promulgated by other agencies-are foreseen.
6.
SUMMARY
AND CONCLUSIONS This Rulemaking mandatedby the Commission should be initiated immediately and developed in a timely manner for issuance for public comment.
5
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I MILESTONE MILESTOHE DESCRIPTIDH COMPLETI0H MILESTONE MILESTONE DESCRIPTIDH COMPLETI0H DATE DATE HUMBER HUMBER DRAFT, GUIDE (HRR, CUSTOMER AHD ACRS REVIEW)
PETITIDH FOR RULEMAKING (COMMISSION ACTIDH)
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4 00010 PREPARE PRELIN VALUE/INPACT STATEMENT 8 TIF
/ /
/ /
00010 PREPARE PRELIH VALUE/ IMPACT STATEMENT 8 TIF
/ /
00020 TIF APPROVED
/ /
00020 TIF APPROVED
/ /
00100 IllITIAL DRAFT COMPLETE
/ /
00103 DRAFT STAFF PAPER COMPLETE
/ /
00450 DIVISIDH REVIEW COMPLETE r /
00900 FINAL REVIEW 8 AGREEMENTS STATES REVIEW COMP 00495 RESOLUTIDH OF COMMENTS COMPLETE 00495 RESOLUTIDH OF COMMENTS COMPLETE 005l0 SUDMISSIDH TO ACRS (HRR) COHCURREHCE
/ /
/ /
/ /
/ /
00520 RESOLUTIDH OF ACRS COMNENTS COMPLETE 00515 ACRS REVIEW COMPLETE
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00705 COMMENT RESOLUTION MEMO FOR DD SIGNED BY AD 00729 0FFICE CollCURRENCE
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/ /
00975 (RIHTIHO AND DIgTjjBUTION AUTHORIZED BY 3D DD 00855 PETITION PRESENTED TO COMMISSIDH
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01000 JH M N N OR CNwW
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01100 PROPOSED RULE OR HOTICE OF DEHIAL PUBLISHED IH FEDERAL REGISTER DRAFT GUIDE (All OTHERS)
/ /
00010 PREPARE PFELIM VALUE/ IMPACT STATEMENT 8 TIF ERCPOSED RULE (COMMISSION ACTIOH)
/ /
/ / l8'/ h' 00020 TIF APPROVED
/ /
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00010 PREPARE PRELIM VALUE/ IMPACT STATEMENT 8 TIF JJ/1 00100 IHITIAL DRAFT COMPLETE O
/ /
00020 TIF APPROVED A//
I 00480 DIVISIDH REVIEW COMPLETE
/ /
/.
00495 RESOLUTION OF COMMENTS COMPLETE 00100 IhITIAL DRAFT COMPLETE 00405 FIllAL DIVISIDH AH9=40HfEftEl+9-9T*995 REVIEW COMP 3 //
/ /
y /r 00515 ACRS REVIEW COMPLETE
/ /
00495 RESOLUTIDH OF COMMENTS COMPLETE 7/f/SI 00705 COMMENT RESOLUTION NEMD FOR DD SIGNED BY AD
/ /
00520 RE!DLUTIDH OF ACRS COMMEHTS COMPLETE
- // /Pi 00720 COHCURREHCE BY LEAD DIVISIGH IN HRR/HMSS
/ /
00729 0FFICE C0HCURREHCE 9 //f/ & f 01000 PRINTED AHD ISSUED FOR COMMENT i
00?35 $UBMITTED TO EDD/COMNISSION 01100 PROPOSED RULE PUBLISHED IN FEDERAL REGISTER ga p /pp ACTIVE QUIDE _
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EFFECTIVE RULE (COMMISSION ACTIDH) 01210 60-DAY PU1LIC COMMENT PERIOD COMPLETE
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01220 RESOLVE COMMENT 8 FORWARD GUIDE FOR DIV REVIEW
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01100 END OF PUBLIC COMMENT PERIOD
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01480 DIVISION REVIEW COMPLETE
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01300 PREPARATI0H OF EFFECTIVE RULE COMPLETE 01500 RESOLUTIDH OF COMMENTS COMPLETE
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01400 FIHAL DIVISIDH REVIEW COMPLETE 01695 IMPLEMENTATIDH EVALUATIDH COMPLETED BY SD
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01500 RESOLUTION OF COMMENTS COMPLETE
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01715 ACRS REVIEW COMPLETE 01788 FIHAL RESOLUTION OF ACRS CONMENTS COMPLETE 02472 ELD REVIEW COMPLETE
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02700 COMMENT RESOLUTIDH MEMO FOR SD DIR SIGHED BY DD 01789 0FFICE COHCURRENCE
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01790 SUBMITTED TO ED0/ COMMISSION 02760 0FFICE COHCURREHCE OBTAINED
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O2000 EFFECTIVE RULE PUBLISHED IN FEDERAL REGISTER DRAFT ENVIROHMENTAL STATEMENT STAFF REPORTS (PREPARED BY SD STAFF)
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04080 DETERMINATI0H OF HEED /EA COMPLETE 06010 PREPARE PRELIM VALU / IMPACT STATEMENT 8 TIF
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04082 fl0TICE OF INTEHT ISSUED
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06020 TIF APPROVED
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04084 SCOPIHO
SUMMARY
REPORT ISSUED 06095 IHITIAL DRAFT COMPLETE
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/ /
04100 FIRST DRAFT OF DES COMPLETE
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06470 DIVISIGH REVIEW COMPLETE
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04400 FINAL DIVISIDH REVIEW COMPLETE 06495 RESOLUTIDH OF COMMENTS COMPLETE
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04530 RESOLUTIDH OF COMMENTS COMPLETE
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06620 ELD REVIEW COMPLETE
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09580 DES PRINTED AND ISSUED 06706 DIVISION DIRECTOR'S MEMO COMPLETE
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04650 FEDERAL REGISTER HOTICE BY HRC 07000 HURE0 REPORT PRINTED AHD ISSUED FINAL ENVIROHMENTAL STATEMENT CONTRACTOR REPORTS (COHTRACTOR PREPARED)
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/ /.
04675 END OF DES COMMENT PERIOD 81000 PREPARE PROD ASSUMPTIDH LTR OF RFPA
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04690 FIRST DRAFT OF FES COMPLETE
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81020 LET CONTRACT
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05180 FINAL DIVISIDH REVIEW COMPLETE
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88040 RECEIPT OF DRAFT REPORT
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05230 RESOLUTION OF COMMENTS COMPLETE 81080 COMPLETE DRAFT REVIEW OF REPORT
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05240 ELD REVIEW COMPLETE 81090 APPROPRI ATE DISTRIBUTIDH OF CONTRACT REPORT
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/ /
05280 FES PRINTED AND ISSUE
./ /
82000 HURE0 REPORT PRINTED AHD ISSUED 05500 FEDERAL REGISTER HOTICE PUBLISHED A5 A NE.w/
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