ML20125E055
| ML20125E055 | |
| Person / Time | |
|---|---|
| Issue date: | 12/04/1979 |
| From: | Arlotto G NRC OFFICE OF STANDARDS DEVELOPMENT |
| To: | Weber M AMERICAN NUCLEAR SOCIETY |
| References | |
| TASK-OS, TASK-SS-901-8 NUDOCS 8001250261 | |
| Download: ML20125E055 (5) | |
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j American Nuclear Society / Nuclear Mr. Guy A. Arlotto, Director 1 Power Plant Standards Comittee Division of Engineering Standards Office of Standards Development i
ANS 2.7 January 1979 Version Distribution:
Central File 50 rdg 75 "7 SD alpha SSSB rdg RBMinogue Ms. Marilyn D. Weber KRGoller American Nuclear Society GAArlotto 555 N. Kensington Avenue ICRoberts LaGrange Park, Illinois 60525 LLBeratan MFleishman
Dear Ms. Weber:
We have reviewed ANS 2.7, " Guidelines for Assessing Capability for Surface Faulting at Nuclear Power Sites," dated January 1979. On the basis of that review, I am returning an unmarked ballot for reasons discussed below.
We believe the standard, in its present form, is inadequate because it does not address several important areas. Because of our concern about the quality of the standard, we have, over the past few weeks, made infonnal contact w',th the working group to discuss our concerns and get its reaction to them. Specifically, Mr. Berat.an of our staff has discussed our concerns with Mr. Cole McClure, Chairman of the working group that produced the standard, and Mr. McClure agreed that our concerns were both important and valid and stated he was recommending the standard be withdrawn from NUPPSCO and not be balloted at this time. I have assumed that NUPPSCO will support Mr. McClure's recomendation and return the ballot to the working group through ANS-2. I further suggest that comments developed by NUPPSCO members be given to the working group for resolution but not for review by NUPPSCO at this time.
If NUPPSCO rejects the above reasoning and insists on an official ballot now, I vote siegative. My coments are enclosed.
Sincerely, ,
e
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'i Guy A. Arlotto, Member O .)
Nuclear Power Plant Standards I Comittee
Enclosure:
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SURNAME >
LLBeratan:cbj MFleishmen GA&r'rbtto
, , , , , , , , , , , , , , , , , , , , , .J..,_,..... . . . . . . , , . . . . . . . . . . . . . . . . . . . . . . . - - .
on , c 5 12/3/79 12/ -/79 12/]/79.. . . . . . . . . . . . . . . . .
s sac ro.m 3188 f 4 79) NRCM 0240 . #.,....,, ..,... ,. . .,,. ., m...>.
AMERICAN NUCLEAR SOClflY tlUCLEAR POWER PLAtlT STAttDARDS C0fellTTEE cuidelincu for Asuessing capability for ANS NO. VERSl0H
'iDARD(TITI.E)
- Surface Paulting at tiuclear Pouer Sites 2.7 _ January 1979 -
RESP 0llDER(N A14E) Pit 0NE
.; ENTER (NAME) Guy A. Arlotto 1ESS; - -
ADDRESS:
US Nuclear Regulatory Coninission Of fice of Standards Development Nashington, D.C. 20555 AC INDEX NO.
l PG SEC. PARA. C014t4ENTS, REC 01414ENDATl0NS /2 RESOLUTION OF C0!G1ENTS i *
[ GENET AL The difficulties in producing a consensus standard are understood _.
llowever, there are three deficiencies in the draft standard: (1) the tenninoloay in _this _ report is not in accordance with current
_ practice; (2) it fails to provide or guide users to the informa-tion necessary for fault assessment; and (3) the draft standard
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is ambiguous in many places and there is a considerible amount ,
of superfluous material . _
T he proposed standard is not adequately referenced. For example,
~~
~ ~ - '~~ i there is no reference to current state-of-the-art papers and In this regard, the .
positions relating to surface faulting. ~~~
~ ' ~
following should be cited: (1) NRC Standard Review Plans; (2) tlRC Sitino Policy Task Force Report (flUREG-0625, July 1979); and (3) flRC staf f paper on, " Identification of Issues P'ertaining to ~ ~~ -- l '
' Seismic and Geoloqic Siting Regulations, Policy, and practice for Nuclear Power Plants (SECY 79-300, April 1979). In addi tion, the standard does not indicate the legally reouired investigations ----
l_ of Appendix A to 10 CFR Part 100 (i.e., control wiifth of faulE ~
zones). _
i' il The foreword is too long. While interesting, much of it is ~--
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unnecessary (i.e., historical development), and should not be w
l included in the body of the document. yq qqg - ~
h A L J iu J A M in h l
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4 evinrar enov ner.:n, irrvnv ni. -comn wr uRCESS tY 'r0 EFFF.CT CllAllGE OF HEGATIVR HAl.l.0T -.. ,,
.y .a. . - Luci.iLi<ta u a t Lou t.u i .i.u m
imCLEAI PO',!ER PLAUT SI ANDA!ms C0%'4ITTEE 1:I C A!! i'UI' ! . " ?J ' ' ' ~
',' t h5 Al's H0. VIiUiiOII
,ViDARD( Tl D 'l un n'- ' ' . for A m .i'n- ' o 2.7 Amna r y 1979 nit!nn a. "orte - P. cr S it e t. -
Pil0NE
' RESP 0!! DER (N AME)
WENT E.#II"
- c o, 1; ., otto ADDRESS: ,
3RESS: , 's !,-
-u .dequlatory L.omon su on 4! . L,uutards Itevelopmont hi, m, 9.C. ;'O S %
- - AC li;0r /*
r.0? " t U: 1 S , RECOMMENDATIONS 4ESOLUTION OF COM'ENTS
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- ven defiai' ion
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'or "C ault" is not in accordance with that __ _ _ ,
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.co",< ~ A, ill, e. 'The use of disTlacement
- r ,n! at di r' e, iti.' slippage possibly includes pressure . _ _ _ _ _ _ _
." u' ton feature (horizontal and vertical stylolites) as taults.
t ___ _. ..._.j N r " " " .'. inn : I.lS " llu' ADD"ndix A definition modified if necessary , __ _
'but note that !.heen i t, a modification.
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- ordino. . "' u l ud 'd a re surfaces or zones along which there_ _
endnph, n- $ . i to sort icial or near-suriace ses .ut a, olar a l .nove f ea tures, landslides , Lars t ti _ _ _ . . . . _ _ .
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> .r i n , o r f"a t u re- rela t ed to activities of man such as minitui, or .ithdraeal er addi: ion oi subsurface fluids." This wordine ._ _-
. . O !,' be cent us ine in i n.i t e t t ec ts due to man-induced seismic i t y.. . _
'. i as the Ibentely I ic1d and reservoir induced seismicity would . . , -
l oo - o ve .sar i v lie rote.idered faults under this detinition.
i or , , tion: 11. p t. r o related with solely
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rel .
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l M
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l t " , eordino. . ."(?) Has had no directly rela table seismic i ty o f -~ $"5 ~~
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[ t. ' mfore has no meanino if intended to guide someone as to how @
nves ticate oi "v.lnate such a relationship. cin l
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f First, it is stated that all c:z ._.
- h i- wordino ic someehat confusino.
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. ! ten'a'.ivol.y classified capable unless proven otherwise , cg.
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' ." :s arethere is a -?atement concerning the Eastern United States .-_.----
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j' ere faults are tonsid" red noncapable unless proven otherwise thi, confusion is due to an over generalization. A better word-ino is " Situations occur where it' is imposs ible to detennine ii l . . . _ _ _ _
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