ML19270J773

Final Deficiency Rept Re Significant QC Program Breakdown Re Forney Compression Testing Machine Calibr Verification. Machine Has Not Been Calibr in 0-25,000 Lb Range.Compression Testing Machine w/6,000-60,000 Lb Range to Be Installed

ML19270J773
Person / Time
Site:	North Anna
Issue date:	01/17/1980
From:	Brown S VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
References
NUDOCS 8001230127
Download: ML19270J773 (4)

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7 oc w m m e no m.s c m January 17, 1 9 1 "r. Jim's P. O'P.2411y, Diractor Sa-i al flo. Il:1A 0"ic? Of Inscecti-n ', Enforcament PSE'.C/CES:VML:*v3ng

'J. 5. 'fuc!eir leaul: tory Camission R' W n !I Occket *!cs '0-13?

"p tariet+ 3 treet, suit. 3109 go ana AtlTrt1, G3crci3 ?O202 ';0-405 N r r . l' ? *il 1 y:

On Occ3m53- 19, I P', '!RC Region II was notified under t53 crevisions nf

'?CF9CO.:-'ai conca nino i signific3nt 'raak19wn in t5a Quality 'ent ol 3ranrem "liti e to verific1 tion of the calibration of the Forq=y Om ession Dsti qq bciina. TSis 10tification w3s follwd 5y : fie day aart cn December ?1,199 in accaritrce with reporting requiraments of ICCFR?l.

7"a Sort stat?d that it has Sean deter 91nad that the Forney Ccmoression Osting Machina 5as 1ct 'aeen calibrited in the rang from '] to 15,000 lbs.

' ' ~ o r I *' o f t " a tSt11 rance of t v mic1'nO . ne machine 5as %29 used to fet3rmine comoressive strenat5s of grout cylinders f' in, dia'eteri, grnut cu9s f ? in, squa e), conc *ete core simoles f 3 in. 111 meter) 2nd full 5 :e 4 orcrete cylinders M in, diameter). Tu majority of the ; rout and concrete cc 2 samoles Senke in the O to 7: .000 15. -snge due to t."e smaller aret to which the CenDres3ive force vas 3DDlied. The conCrat3 Cylinders Which brc'<e in his r3nn auli 5e the 7-13v deniks in the icw strength '1,000 osil M 9 fill concrete. AST'1 E4-72 orovides a crocedure for c11i5riting in the I m ".4 rinqe af t5e mac5ine.

It vas also st1ted in the racort that t% ii3 mater o# the su m nded sch?ricilly s=3ted Slocks used on the lac 54ae f or tasting t"e various si:*ad s nol,$s is 11rq2e thin that soecified in ASTM C39 M ind ^'09 71 #3r r ut si+ oles. The ti net?r of the Slic%s us21 on '"a mc5dr= ts 4 1/' in. 1- ~ 1 C29 " 30ccifies that the diamatar of the uco?r soberical' f seated haaring' Slack sS111 not axceed i in, for a ? !n. di' eter t?st soecimen. AST4 0109 73 snecifies that 'T'e diagonil or 14 4Tetar of the ha3 ring surf ace shall he only slin5tly cr23*e- than tne diagonal of the f ace of t59 ' 19 or 50 m cue in ceder to facilitita accurate centaring of the specimen."

31Brition uns on the Forney "croression Testing N'achine in the lori test rinae from 5,000 lbs. to ?: 000 15s. were cer#9rmad 5v J. W. ?icharison Calibration Se-vi:e, Chalfont, Pa. on January ? 19PO. A coy of the calid ation cocrt is included as AttacMent ' Aa to this -eocrt. The calhettiqq ruas cerfor':ed on that 'iste indicateri the following results for t"e subject test loid range:

1 The normal calibration run censistently famenstrated that the machine gauge conservatively understates the actual load in the subject test lead ringe. 30/7

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?. 1 O'citi cilik ?tico run, 551c5 cernitted a 'd " q 1 17<e- naadle *.o 5 ? Jup 3j 5v tv S!':k !o2.4 iad'*3t*,r raad!' 'ec* the ; m '

c21'"r! tion 0-' ticat. derens+-at'd +5:t '5a 1:*4 9a und= status t5a Tctual 101f Sv an additicrT1 amount 11 tha subject t20t *'nie due to

• "e esitti ca of t'a #0li mter nee 'd4 1

T'e ni: Fine ;nug? erra" it ?',000 '55. sai sfias t:'a -aqui-a en's r#

d 1579 E " " F -- 'ccur7cv but Con ~<?"Vltiva'v 1""c-",titas t-a !ct9 ?I l a id.

Enci ese!"q iavasti lation nf the ta5,'oct ,f t"te, race-t k3s -sv7'!ed the

' 1,9 i a n : 4 4' t i ,, =' f ie ts:

1 3 :cs-ds of cast c!!ibr?.ticas as cw t13 t;'e machine cauqe has never 4944 03t?d an unconservativa ar-o- ?t t5a 'cw ?nd o' **e DreviOJslY

F-'t'c 'nsa anna. T'e ins and of tha orevi usiv tili?-ated 191d

-, cs  :--se7,nds to i v31ns c' 77.0^1 15s.

, N n ic, ins n?u,e n u revar ' men Vac e to n sign!*;; oti/ cut of

i5 ation 31112 i, usa et More 3 A"n? 3c':r S 1 tion ari all t"e ortvious cali5 rations wer? ca-fornti not subject to interaction of y -.s c ,1 ; 3 3or r u y :,. * % > vi:at: >f 1< m t,an bay? 5aen Conf i ri? I $ e Mr. 3. 1. l'chirisSn *MN Je"s an til y ?qrf 0"mni 311 but two of ::,esa 7-evious .alikratier,s.

1 "le 1:aest 'o'd if interest in tne 1 tn ?5,000 15. cnge is 1,000 lis since ta's io31 co-r esocnds ??: crimeteiv to C'et +ic, i s required to oroduce '000 psi coenressive str?ss en th e ? i .1 D rr,ete-1rcut cy!!ade-s. At t,3t laid, t"a :cli-a "uce e-- e ra:ard=4 furing the January 9, l?20 cal thriticn is -0.1 divisions (-l?c0

'*s.i. N"en ::-%ined with tre ef'7ct cf 'h? -asist race af '5a follrxer neadle. -1.0 division f :00 15s.', the c3115cetion c0rresoon!s t0 1 conseevstiva '-*c- of 10.4 opecent.

Fe:m t*e 1% cve 19 formation Dresented i n **is reocrt, it c?" te c]ac!utad i aith 1 Sigt lav+1 of can'tfence t%3t t%a ccrorassion test esults in the 1, to

,20^ is. inge -a*' ccqse-vitive. To 'urther -ainf7-Oc this cenclusicn, cons, f ar tt'on viil "a O van te the -amqta evart *.:st t5n sianuary l^^7 cTl ibriticq runs would h?ve iniicated i g3uge $rro* neisured in tha ncncanscry1tiva dir'rtion av tha s ite m,3qn t m'e, t r e t i s ,

i

+?. ~ div i sices

'

-l?c] ' 5 s . 'i it 1 GCOS lt, tett loa!. C~95inina the constartiv censervitive

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1. • '*ct af tha -asiettnca of the f oli'wer aaedle, -1.0 '4 vision I 'C^ 15s. ) .

'ha aat Of#ect wcui d result 'n 1 +1.5 divir. inn / *'50 lk.' prece, or 1 ? ss t51, 3.; carcart erro . ' rout 451c5 was accaptei on tha hasis of camerassion asts of ' in. iilmeter cylinders, which could have iaciudad such ?n errer hed it 70ssihlv atistei, vould still 'e 2cceptable If tested in place today foe to

'h2 idditional strengt5 gaired by cent f ruire cament hvriration af ter the 'S 1ay

'ost Oe" icd.

lased on the above information, it is ccnclufed that th? lick of locumented calibration and the f ailure to satisfy the accu"3cy requirements of AST'i E4-7? in the 0 to ?5,000 15. load range has had no detrimental efferts on comoressiva tast -acorts recorded fec.m the Forney C coression Testinq Tiachire.

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3 Tha incorrect use of the 61/? in. 113metar klock fer smi?1 7r diametar 7*0u' cyli9'ars ici conc" eta co-e samoles could not hava ,orcduced a braak strangth hig5or t*1n tnat 9-oduced by use of te soecifiad 7"00?P PO '1 ' Pm 9 " t

• Tha -equirev9t fer uslag i sm311er <fi ? :eter block raco191:?s the potential

1. ce accartric 1951 whicq *ay be latroduced if i l'rger bicc< is usad. This is act to infer t h.i t %.y arro must have been introduc?d by use of 1 13rg'*

5 kck, but 09?y that the a2t ensult of any suc5 ar-o" wculi th3vs he ccrsarv*tive ?sulting in 3 f ews" racorded compressive strennt1 than my 53ve eth,r#se been indicated.

Tc *ctur? *Nt futur7 tests are car #]r-'ad in accord? ace sits the soecificatices nf AST:1 C27 ? Ind C103-73, Constructi:n Cu?' f tv Control has 7aen instruct?d not to rer' rm aay further testirn on the Fo ney Ccmoressico 7 1 sting '"-h!n? in the 9 to ",000 lb. lotd Inne. A new . cme"nssien testi*g michire vith 3 leti range of 5,000 te f 3,000 lbs. will be pencured and int tile f prier to the rectart of twa cor: rete proge tm it No-!S Aar1. 17 7e"'- t3 Secciud? i recur"erce cf this type tha purchis2 crde- f7" the c alibrni m '# the cocoressi7n testinq machines has "een mo Ffied to scacify t v M act load ringa c3!lbr3 tion r21uir24 for etc5 nic51na. A fditiarally, the c1 1'5r iti n orco w c*ack!ists S17e 5aaa ato d i f i + M to ve-ifv t,a cili 5r? tion o'

'ach 77chtae within its laid -3nge Sf noeration. 'ecstruct hn Qua!ity Control 2nd ~ tore ', h$ star Field En11 nearing ar? -aviewinq tbs AST'1 r?ouirements 'cr

"-> concrat? or71uction and testing orngram to insura full cct aliarca. This

'v ' N 411' "a ccmo'at21 ty Fe: yary 1:, 1-10.

ci ce the lack Of dccumant?1 ca!!bratic, an f t5a use of im::rocer equipment has had ao detrime9t)1 effects en Ocmoressiv? test -aparts, we 3nticipate no

' Jet 5ar cc--ascondance en this su']]?ct. Tha*? fore, this letter is 00nsi iea?1 tS Sa 3 fin?! -?79

• Jni co'p'etes all -?:0-ting racuirements unio

• orovisions of ICCF1:0. : I !! and/ *313CF1EO.91 V'ry t uly yours,

/

Sim C. '-cwn, J .

Santar Vice ? es1 9nt Dover St! tion Engineering and Construction A t t :c."m a n t cc: '>r. Vic*cr St?llo, Si ector Of#ica a' hscaction ', Enforcement i "r. 4

• c ':1 g. Denton, Director Office of Nuclear Reactor lequl.ition

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