DCL-84-059, Forwards Results of Review of Electrical Contractor Insp Records Re Use of Concrete Expansion Anchors in Electrical Raceway Supports.Ack of Receipt of Matl Requested.Supporting Documentation Encl

Forwards Results of Review of Electrical Contractor Insp Records Re Use of Concrete Expansion Anchors in Electrical Raceway Supports.Ack of Receipt of Matl Requested.Supporting Documentation Encl

ML20129A407
Person / Time
Site:	Diablo Canyon
Issue date:	02/16/1984
From:	Schuyler J PACIFIC GAS & ELECTRIC CO.
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20129A367	List: DCL-84-059, Forwards Results of Review of Electrical Contractor Insp Records Re Use of Concrete Expansion Anchors in Electrical Raceway Supports.Ack of Receipt of Matl Requested.Supporting Documentation Encl ML20129A362 ML20129A381 ML20129A388 ML20129A402
References
FOIA-84-744 DCL-84-059, DCL-84-59, NUDOCS 8506040580
Download: ML20129A407 (72)

Text

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F.A.CIFIC OAS AND-EI ECTRIC C O M PANY IFGwIE -t-rr esas sracci . sa vnkMe'o.4'aviBA,4ie's". n Yhh rei.4m . twx eioartssar  ;

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} , k f r February 16, 1984 1 i

i PGandt Letter No: DCL-84-059 'i.Fa 6s)W t

Mr. John 8. Martin, Regional Administrator '

U.S. Nuclear Regulatory Commission, Region V 1450 Maria Lane, Suite 210 4 Walnut Creek, CA 94596-5368 -

}'

Re: Docket No. 50-275, OL-DPR-76 , , .

4

', l Diablo Canyon Unit 1  : -

• y f'i.

l SECY-84 Items 25, 58, 96,142)c154, and 176 ,

d Concrete Expansion Anchors g i

Dear Mr. Martin. ,

Information on the use of concrete expanston anchors at Diablo Canyon was ( -

o',

4 i sumarized in PGandE 1etter DCL-84-031 datd January 27, 1984. In a ,

subsequent letter. DCL-84-048 dated February 7,1984. PGandt stated that t - '

successful sampling progranjf6rs as-bu;1t conditions of the expansion anchors, would enhance confideer.e la conciusions dis u ssed in the January 27, 1984 letter. The anchor bolt.samplinf ptogram described in the February 7 1etter- '4 and evaluation of the data have licevt completed. , This tubmittal provides the- . .

f1 resultsofthesamplingp{ogram. , ,

,\ a

, s ,

4 y c' .

In the February 7 letter, PGandC committed to review the electric 61 - -

4 contrector's inspection records to identify cases of anchor bolt straightening ,

and torquing to improve nut engagement. The results of this review are also included in this submittal. 1 4

)

Completion of the' anchor bolt' sampling program and contractor records review -

confirms PGandE's eat Ifer s:osciusion regarding tho' adequacy of. concrete anchor  :

bolts. ,-

s i' )  !

Kindly acknowledpa receipt'of this matertal on the enclosed. copy of this 'l r letter and returti it,in the enclosed addressed envelaye. a

, e Sincerely,

' 'i <

Enclosures .

cc: D. G. Eisenhut H. E. Schier11pg 1

YO DEVINE O "III'

-744 PDM s

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, i PGandE Letter No. DCL-84-059 ENCLOStJRE Concrete Expansion Anchors in Electrical Raceway Supports Information on the use of concrete expansion anchors at the Diablo Canyon Power Plant (Diablo Canyon) was summarized in PGandE letter DCL-84-031 dated January 27, 1984. This summary contained the results of a review of inspection records, onsite tests, design calculations, and other published I

data which supported the conclusion that expansion anchor usage at Diablo Canyon is fully acceptable. Subsequently, the NRC Staff and PGandE agreed that sampling the as-built conditions of the expansfon anchors would enhance the confidence in the conclusions reached in the January 27 1etter. This submittal provides the results of the sampling program.

In another submittal (PGandE letter DCL-84-048 dated February 7, 1984), PGandE provided the NRC Staff with a copy of the instructions that were used to perform the expansion anchor sampling. In that February 7 letter, PGandE additionally comitted to review the electrical contractor's inspection records to identify cases of anchor bolt strafghtening and torquing to improve nut engagement. The results of this review are also included in this I submitta'. l The objective of the sampling program was to conffrm the adequacy of expansion anchor installation in electrical raceway supports on a statistical basis.

For the purpose of this program, adequate installation of an individual support is achieved when the expansion anchors included in the support calculations have a safety factor of at least 3 relative to their capacity.

The overall adequacy of the expansion anchors in the raceway supports is statistically confirmed when a random sampling program achieves a 95%

confidence level that 95% of the supports meet the above definition of adequacy.

The expansion anchor sampling program just completed at Diablo Canyon included 98 randomly selected electrical raceway supports. For each of these supports, safety factors have been conffrmed to be greater than 3 even after reducing individual anchor capacities for concerns such as embedment, spacing, and edge distance. Thus, confidence in the adequacy of the raceway supports using expansion anchors exceeds the 95. percent level.

One of the concerns involved the en6edment of the 2-3/4" long Hfitf Kwik-Bolt expansion anchors. The shorter overall length of these anchors raised a question as to whether the embedment was sufffcient to maintain adequate safety factors. In the primary sample (the 98 randomly selected supports), 10 supports contained the 2-3/4" long anchors. When a 2-3/4" long anchor was encountered, the sampling instructions required adjacent supports along the conduft run to be added to the sample. This resulted in investigation of 22 additional supports. Sfx of these 22 adjacent supports also contained 2-3/4" 0199d 1 ..

• l long anchors. Subsequent evaluation of the; anchors in all.16 affected - -

supports confirmed that factors of safety in. excess of 3 existed in'every:

C ' '

case. These results corroborate the January 27 conclusions regar.dtng,the- ,

. adequacy of supports containing'these shorter. anchors.

The following attachments provide details on the selection of supports to be I sampled (Attachment A); a sususary of the data that was compiled (Attachment .

B); a discussion on the statistical evaluation of the data (Attachment C); a discussion on how factors of safety were calculated (Attachment D); and a discussion on the significance of the installation deviations found in the sampling program, as well as those recorded in the electrical contractor's inspection records (Attachment E).

In summary, the expansion anchor sampling program has confirmed on a statistical basis, that expansion anchor installation at Diablo Canyon is ,

reasonable, conservative, and acceptable. .

e d'

h 0199d 2

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~ Attachment A -Selection of Sampled' Supports

.w ~ . ,I . 5 l

TheDiab1fCanyonelectr.fcalracewayscontainapproximately.23,000 supports.

The expansion anchor sample set was selected from these supports by numbering ,

- each support . sequentially and generating a set of random numbers.': The  !,

supports corresponding to these random numbers comprised the sample set. A total of approximately 100 supports was intended to be sampled. This sample size is consistent with the statistical evaluation that was desired. See-Attachment C for further information on the statistical evaluation.

As detailed below, some raceway supports could not be used as samples, so it l

was necessary to review more than 100 supports to obtain the required sample size. A total of 401 randomly selected raceway supports were investigated before the desired sample. size was achieved. .

Exclusion of a randomly selected supporti from the sample set occured for one of the following reasons: -

1. Some supports did not contain expansion anchors. These consisted of supports welded to steel members or attached to embedded Unistrut channels with structural bolts. Of the 401 supports investigated, r 112 were of this type. ,

2. Other supports were found to be inaccessible.. Inaccessible supports i were those that would have required extensive scaffolding to reach, - '

those located in areas of rooms where other work was in progress, and those located behind other plant components such that the measurement equipment could not be readily used. There were 124 supports of this l

type.

3. In some highly congested areas, identification of a specific support proved difficult. Supports that could not be fully identified within a reasonable time (generally 1/2 hour) were excluded from the sample i set. Twenty-nine supports could not be readily identified. In addition,~a single page of the list of random support numbers was.

inadvertently lost in transafttal to the site. Sampling of the other supports on the list continued and an adequate sample size (98) was l

reached before this was discovered and the page retransmitted. As a, l result, 37 supports listed on that page were omitted from the sample.

As previously noted, 22 supports were added in the sample set to provide additional data for evaluating 2-3/4" long Hilti Kwik-Bolts. These 22 Ladditional samples consisted of supports located directly adjacent to the f

randomly selected supports that were found to contain the 2-3/4" long anchors.

Thus, for the sample program, complete data was compiled on 120 electrical raceway supports. Attachment B contains a sumary of the data recorded for j each support sampled.

0199d A1

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,. l Attachment B - Summary of Data

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l The following tables contain the data compiled in the expansion anchor s'ampling program.

' Table B-1 provides an overall summary of sampling program findings.

s

' Table B-2 provides a summary of findings by specific concern.

Table B-3 contains the data on each support investigated. Except when otherwise noted, the numbers in this table represent the quantity of anchors with the concern identified by the column heading. Factors of safety are ifsted for supports containing one or more anchors with concerns. For all other supports, specific factors of safety htye!

not been calculated, but are always greater than 3 based on' previous genet c calculations.

v M  %

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Attachment B ,

" Table B Summary of Sample Findings Random Samples Adjacent Samples Total Pre-1975 Post-1975 Total Pre-1975 Post-1975 _

12 1 13 25 39 64 No. of supports containing anchors with no concerns 34 8 1 .9 No. of supports 22 12 containing one or more anchors with specific concerns 20 2 22 47 51 98 Total 82 mfrP1

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AttadhmentB '

u Table B Summary Listing of Concerns (I)

Random Samples Adjacent Samples Pre-1975 Post 1975 Total Pre-1975 Post 1975 Total 2-3/4" long Hilti 1(2) 6 0 6 Kwik-Bolts 9 10 Embedment less 2 14 6 1 7 than minimum 12 per Dwg. 054162 l_

Angle between 0 1 50 - 150 5 6 11 1 0 0 1 0 1 Angle greater 0 than 15o Spacing less than 12 5 17 1 0 1 10 diameters Edge distance 2 0 2 0 0 0 less than 5 diameters Nut engagement 1 0 1 1 0 1 less than flush Nuts not tight 4 0 4 0 0 0 NOTES:

(1)_ The numbers in the table represent the quantity of supports containing one or more anchors with the concerns Ifsted.

(2) This support was probably installed before 1975 (cable was pulled on 10/75) niona B3

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/53 j 5/74 j l l- i -!  ! i-l l I- '

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/66 ' 4/80' 2.  ;

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. No7 i _ //75 ! i4 '

Table B-3 I fem /e hsdr ' No.bfi !//54 Embs 4.. 1] Specing piit.-  ! rd,1 Nf i

ldw.hti he.9l Mr.

lMsta/lec' Anckr Anchors men + Eht' 9,bt 6 e r. N a. f e f M 6, M ty W ; . _

Yos .., /2/7V; i4 iss _, 22 : .ox,

,i

, i @ .i i li i i, I

/cet_] i -! i I ,  ! .

,. i i - i i i i ii.; :no M uc4.d ino 4 ,.anchar l /70 i i-i l i l  ! I

!i  ! I j i  :

i l i  !  ! I i /7/ '

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! l, I: ,: l i , Il , I  ! l! I i i l ' 4 4,; socker-5.

1

/72 , _L-!  ! i ,ii; ,! , I. I II i i i  ! i i l , I i o. 6ea.socAarr

/'73 5 /78 ! /o'

1i '

-Si  !'i 'IT/' d_D l- -l i- i 39i i I i i ok.' F*/S =22 i 174 if/rs iz  !

l: -l -i .O! l

!- u -

i-

;40 l es ox_ <

! /75 , i. .  ! I i  ! ,  : i I -

I  : I .

. , i .  ! inaccess/6/a '

zer/d' 10' j /7G b/so ! ;2, , -i -I l- i- l 14/i .eg.@de

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., i i@i . ,-I i l- i -i 42; 24, i .or . .

t

/78 i 7/80 3-  !  ; -i -l

-l '@ -1 l  ;-l i - i- #3 I i I i _oK, i /79 l i-! '

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1 I I i i I  ! . i i e, ae. 2*:Awy i /82  ?/78, 12 ! l-- - -  :- ,-l  ! li  ! l, j 45,  ! X' .

! /85 ';  ! i:  ! , _

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l o/81Ai * &l?S' *'4 ! .

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Table B-3

'Nht i d,e:nN

&' Tight ' %q.No. %MS MMo.tul.

Sem le Date No.of Shor4 Embed- l EdgeI s

. ,lnStallec' Anchom Axhwy men + $ , 9 acin.9 0;St. Qf&nurb 2 79 i . , ,

, ! ,i- i  ! i i ,  !  ;. ,

_fn.ue,fgg ___

2 90 l .-i , . , .

- I l

i i

i e.Aauf

_ z8/ i '-i l I

! I i ll l 1

_;n d ,,,, y ,g s.;

. __28Z . t-; i I i .

I  ; , I l

l l ~l i  ! no Jo;sicAerf

j l 283 j,,

-l  ;

i , i j i.  :  ; j j  ; ig44 384 l , -l .

I 1 -

i  ! l i l  ! i M f8W,f ed i

Zaf , .-i j  ;

' i

' i  ! ,  ! j , , , ,.,,ce,rr, A Z8e ! i-:  !'  !,  !

,- i i

,~' -

i , . t o. e. Mer 281 ! l-l \, '

l l

\ . i .

l ' naceantua.

i

._. 200 i f/8o 12, -

i O , ,-  !

,i !62i -

I i , ox

_289  !:l '

i !i l I l l l i i i i  : ns . .< anh 290 i-l I i i l , l  !  : l l l  ! , i l' -l  ; i i ./naclesr,E 29/ '-;  ! I -

i -

l l t  !

l

' In +,scu, '

292 i-l , i l , I i l l i j i i  ;  ! , ,.

i e e a. soc 4.cr

&93 ,-!  ! I

. i l- 1 I i

!'I i inacle.u<#a.

294 4/81 12i -

~

_ 2_,

.O -i l-l .

. , , (a3 -

, oc_

z95 '

b. e=A.cf I -

i i , .  ! -

i i , , l  : i.  ;

i _ _ z9G l- i i i i I i i i i l i !i I  ! = u',.:. ,cA.cf j 2.97 ///150 2j i l-j-j O ' -

j ,46 oe.

l , l -- 1 l-i i ,  ;  ;

298 i  ! -l l  !

I, . i  : l I I

_i ~i  ! -

i . , inacresr,ue z99 to/rn 4! l 0; -

i-i 65! i . or

- 300 i +199 4l ,1

• 2  ; l%%ff@ ,  ;- l P&t 3+;  : oc,refS > to . -

_ a3 coa .G/74 .,4 l  : .i t .s . -; , .i @ -

1- .i - l i .  : i . or, F.f 5 > to

! e s oo s .161r+ .:4 i.!- ,-- *aps%s.tA41@

o .;- .i - .I - i  : i , j .ogr#J > so I _3er p/Jo 2  ! l-  : - 1 l- -

1 l- - j67j j i j , .on

~

I 302 l l -l I . i I

l l i  ! '

i i i i i '

I . Ioacceir/6/e. -

3 03 1 1t /71l i4 l 4* 4

mMi@ '- l- l ,' -l l VB' , 35'l > OK',fafS ho 0303 A . Ef74 ! . a , .- ./ 29W$tf.@.- .-l i .; -l ,

e, ,

, , ,  ; e OK, F'o[5 f lo a 303S .,#zl74 : .i4 ; .- .- .- . .

0, , . - i e .i - l  :-l i i i i . oK t

i - B14 -

Table B-3 jam is dan , No.0], $ hod Embed %ei Hut l l ilnstalled Anchort Anchors men + $ ', Spacing DiSt.

Enge't h'isb+Ser.No. l dnM pts)15 SeniMo. Regdts kl.fgensrk;

! ao4 32-i ,  ;  : ,

.. I i i . I  !  ! , ,  ;  !  : i  :  ;

, .a. ,,cky l  ; 3o5 l -

i ! , l .  : Iii '

i  !,I c

. i amedew4/e. '

306 i  ! -i i !  !  !

l l i l i i  !, l'  !! l  ; in s e e ss/ y ,_; i So7 '

! . 1-! !I  : ,  !. i . l I i i i i i  : i -; i i  : .w s,u.A.rf '

i r

So8 (r/'/4 i 2 .i 2 ,- ,@;  ; .-i  : 1-i , i-l /*P-ag , ,ed:,'/.f5>lo i . .

l 309 l -l l , l

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l -l '

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3 13 3

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l  ! fm ,g,y,:

3#4 I{I 315 l-l i ! u j

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.or 311 i Ig/74 i lEl ' -

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i inaccer/Me 1 3/9 l-l ! i ;,,I . i i , I i i  :  !

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I , no ca. 4 l 320 5/15 ! !2, -l 1 I-ll'kerei ,74

. l- . 39i 4 'F o f f >.1o j o 320A ;5/75 j .!a j * -l *-: i --

! *- e -l j si - 8

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j -

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323 l

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325 ' ll i  ! l  :

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)  ! 3%& , f/82 t 2, '! -

i-i ,  ; ,- -i ,

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! i i i I  : I  ; I Insccerr/Mr.

l 328 ' - '

l ,

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I 3Z9 l f/83 ' la i , . .

/@S(6 i- -

'l- #75i i i l l oKj f a[J > lO l - BIS -

i

Table B-3 I}km sl patir No. Of. 'fhod Embed- Edh . ' Hut , , L

! .l t

6. IMStalleh Anchoot Anchors; men + $ _ Spacing p;St. fogwt 1'sht i :dwknapre'7.ttvaI,f&qgyyl Seq.No. Septgo, g

' 330 ., .

o,r;se,,i a a l 331 . . . . . -

!  : iwegjkJa.

33Z .

l l___ 'l l  ; , ,s,.h4 i 333 -

snaalets,%. l l l 334  !-;  ! '

i . Inmetersve. ! -

l 335 f//7S i ;4  : i

_@  ;-; -j -

4 ,

i oc -

, 73(a l -!  ; !j  ! i'; ,  ; :  : .

, e g,j ,4

$3^( 9hll , :4' ~

-t l@5*/to* @ -l *

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77, l og,'feff= 4.s 336 4

.-. . i __ _. . _ , __. . _ i i inace,m/60tj i 339 l !9/77' z; - - -

O -; ,-

{

78 , oc

!  ! 340 to/re 4 - -

ng%so @ -- -

.- 79  ; og, fig > go ,

l t 341 -

. pulty%i;&f

, _;a, .

34z -

I 343 , ' inset'ess;66u l l \ 544 to/so 2 - - -

so og l l 345 -

inaccessibk.

346 Jgccer/m. '

jl 347 9 /17 4 - - -

a@ 9d @ . .

- .- et , ogt,per f = M

i 348 i 4/M 4i -

i

.sz do or i i 349. I -  ;

i f,3c,,fjfag i i j ' 350 8 4/79 2, - - -

@ -i - -

. .83 4 og i

!  ; 3Si l .- ll _ ;,, , a,,, g g l .

35Z -

-i e w. sesdrf I

!  ; 353 3/75 1 2; - - - - - -

' 84 sfj ' og'

354 1/7S ' 9 107d0 OS 42' oK, F *f S > to l 35S te/so 3 _

86 OK 3SG -

inaccest,%

i 3S7 -

inaccescabb.

1

- B16 -

I

1 Table B-3 No. 0 :Shor+ Embed- 'Hbt i

! he l 6,s bahr}\6talld nr Anchors Ancivo/ meo+ $ Spacing vist.-

Efe: $ngn+. fight

Ser.No.

dwinniSeq irm'-45 Ns.hrst)fs Gal.f$tand; I 356 ,i l ,

l ' 35?  :; ,'

i Inaccesrib6a.

I I  ; idact.ei,6da.

, i

.jrr,p i G/Bo; a i-: -

87 i se,)  ! '

.-! i oK.

G/74l ,8, -

I -

'aTah -' ~l --

! -! 88 '

1 93e/A *6/74i es -

45_ oKfafS>'/o i * @. *i *- , *,, , ,  ;

i i

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3(,U -

l I' i i i !t i I l i i ,

i 1 -

l 1 i /#acsstr/6/e'l i '4r43 -i  ; I ' ' '

! l '

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!  ! i '

3G4 ne a e.'sdJimer -

-l  !  ! ' ' ' '

I SGI ,-'

l . I! i I , l l * /ascdeff/56t.

, 3&& t '~ '

_._t _ _,._1  ! I i  ! no eb1aMderr i , I\  ;

• nosir.'silarsi-

i 3(,7 , S/75 a

- -

_- O i .- 89 44 ox' i

3GS i -! i ,

,  ; , t e

i 1 i W em.i24cjaler I

pt,7 8/Bo l 82 i 1 _ - - -

i ,-- 9o, - i g " ', .'

370 Y/78 ' '

!3'  !! -

! O -* -

i ~; 91 -

• OK' i 3 71 - '

~

i 3 72 1 .

. Insccess/Ma. f l -

l 1

373 i 6/so 4 -

M&?MM-I 3 14

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9a oK l  ;-; -

. i i 375 5/s/ s:

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inaae55/kb i

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~

l  : 37G ! -

i  !

1 i - '

.i ,93 : .. cm .

I-

! s77 l .- i Maccest/#e. i .Ia_

i now ncAer :

i , 318 i 3/es i s7p '-

21 - -

n t/r' @ '. - -

9+ i' on. roF5> to :

1 l 380 8 -

o. .ee.n.ckorr!

, 38/ j ,- .

inacceff/h6L' 382 -

i

i. idacceffsInk

). 363 -

. inaccessible ,'

3e4 -

noVld&td -

1 e da sakesi i

- B17 -

Table B-3

,$m Jsl bab*. Shor+ Embed-EdSe : ' Hut ; l

385 h6. Ittstalled Ancho No.0)f Anchors men

$ +Spacing o;St. $npyrh,'ghp Seq. m . 9 4 g g MN' k.% bal.fyy

~ ._ .

, in u te utu a.g 38& ,; -

i  ; , _. gg

587 1 !. '

li .

_ i ,_. , , i<  ! j. j, y,,wA,,

300 ~' n . .

inec'twhle l

as9 ,  !.  ;

,  ; , , ., 7 f,,,,,gf,, .

390 -l i l i 79/

l  : # i i,,i '

instear$/e l --!  !  !

! I I i '

no u p.'a;,c k er I

. .  ;  !  ! 'i 9/M ,

-l. b95 1 393

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,g4ac,,ff,fgt,j j l Notes: (1) The date installed is actually the date cable was pulled through the conduit attached to the subject support.

(2) The pre-1975 sequence number includes all supports which had cable pulled by July, 1975.

, (3) @ indicates that the affected anchor (s) are in a fitting. Spacing concerns were accounted for in the .

. design calculations.

i (4) e identifies an adjacent support sample (i.e., not one of the primary 98 randomly selected supports).

(5) @ indicates that the factor of safety was obtained from a generic calculation. The actual factor of safety for' specific support is likely to be much higher.

- B18 -

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Attachment C - Statistical Discussion....

e,. ec a t n.m ..o The objective of the sampling program was to. select a statistically. val.id sample from which an appropriate confidence level on the adequacy of raceway support expansfon anchor installation could be estab1'ished. .In applying this approach, adequacy of a support is achieved when the expansion anchors included in the support calculations have a safety factor of at least 3 relative to their capacity. (See Attachment D for a discussion on factors of safety.)

It was determined that the sample program would be adequate if it could be demonstrated at a 951 confidence level that 95% of the supports sampled meet the. test of adequacy defined above. Based on the statistics described below,.

this confidence level is demonstrated when no unacceptable conditions are found in 58 randomly selected samples (or no'more than one unacceptable condition in 92 samples; no more than two unacceptable conditions in 123 samples, etc.). The sample size for Diablo Canyon consisted of 98 supports which were selected as described in Attachment A.

The statistical theory involved assumes that the probability function P n(m) of, encountering (m) defects in a sample of (n) ftems selected at random from a ,

total of (N) items'is hypergeometric. This function can be approximated for (n) less than 0.10 N by the following binomial distribution:

P,(m)= p"(1-p)"'"

(n im!

p = ratio of' unacceptable supports to the total number supports = 0.05 The confidence level (c) is obtifned from the following relationship:

c=1'-[PI"I a n 0199d Cl 1

App 11dstish'o'f this jtatisticalscEit'eNon,to the Diablo Canyo'n ' expansion-anchos s~ampf fng program resulted in a confidence level that exceeds 955 Of the 98 supports in the sample, n', condition existed which was found to reduce the safety factor below 3.. .

There was some concern that' supports constructed prior to January 1975 were of questionable quality due to the use of 2-3/4" long Hilti Kwik-Bolts. When the pre-1975 installations are separated.fra the 98 random samples, 47 pre-1975 supports were found to have been sampled. In addition, 22 adjacent supports, also of pre-1975 vintage, were sampled, making a total of 69 pre-1975 samples. As each of these saspies has been shown of at least 3, the conclusions stated above are va,to have a factor of. safety lid for 1.nsta11ations both pre- and post-1975. ,

3 g N 4 e

1 J

0199d C2

Attachment D - Factors of Safety The acceptance criteria for supports that were evaluated as a result of this sampling program has been defined in terms of factors of safety. The factor of safety is the ratio of the expansion anchor's average capacity to the maximum load the anchors are. expected to experience. The magnitude of an acceptable factor of safety was discussed in the January 27, 1984 letter. A value of 3 was determined to constitute an acceptable number and was used to measure the adequacy of the individual supports evaluated in this sampling progran.

Design loads on the raceway expansion anchors were developed in the Diablo Canyon Project (DCP) calculations. A criterion defining the methodology for analyzing the raceway supports was previously established by the DCP and was used in all cases reported herein. No special analysis techniques, refinements to the existing procedures, or removal of conservatisms inherent in the methodology were required to demonstrate a factor of safety of at least 3.

Anchor capacities were determined as described in the January 27, 1984 letter. Briefly summarized, the capacities were determined by averaging published test data on all of the types of expansion anchors in use at Diablo Canyon. Development of anchor capacities and factors of safety are contained in calculations prepared by the DCP.

In cases where installation concerns were raised, the anchor capacities were analytically reduced before calculating the factors of safety. The following is a list of the analytical reduction methods used for each type of concern:

Concern Reduction Method f

Short Embedment Reduction in pullout capacities were made in' proportion to pullout shear cone areas:

p r, p fIactualh2 u ujrequired[

where: Pu' = reduced pullout capacity Pu = pullout capacity for full embedment dactual=actualembedmentlength

.,(required = embedment length required by Dwg. 054162 i

0199d D1~

Spacing less than 10 Reduction in pullout capacities were diameters or edge made using the equation given on Dwg.

distance less than 5 054162, except that full capacity was diameters assumed to be developed at 10d spacings and 5d edge distances P,' = 2.25 P, h where: Pu' = reduced pullout capacity Pu = pullout capacity at full spacing and edge distances N = no. of diameters of actual anchor spacing E = no. of diameters of actual edge distance The above equation is very conservative when compared to test data.

~

Angular Alignment For anchors installed withfn 15o of plumb, no reduction in anchor capacity was made. See Attachment E for further information on angularity.

Nut Engagement Since so few cases of these types of and Loose Nuts concerns were found, they were.

addressed on a case by case basis.

See Attachment E for further information.

Notwithstanding the conservative analysis techniques and the conservative methods used to reduce capacities for installation concerns, most supports have factors of safety well_ in excess of the acceptance limit of 3.

0199d D2

i Attachment E - Significance of Installation Concerns This attachment addresses the sampling program findings for each type of concern. As descrfbed in Attachment D, anchor capacities were reduced to account for most of these concerns. The supports were then evaluated using reduced anchor capacities and were found to have factors of safety exceeding 3 in every case. This result, by itself, indicates that the concerns have not reduced safety margins to unacceptable levels. However, further conclusions

, can be made regarding the specific concerns.

2-3/4" Long Anchors In the period prior to January 1975, a total of approximately 14,000 of the i

shorter (2-3/4" in length) Hfiti Kwik-Bolts were bought by the electrical contractor. The total number of expansion anchors used in the Class I raceway supports was approximately 125,000. Some of the shorter anchors were used in Class 1 raceway supports. The concern with these anchors is that due to their short overall length, their embedment may not have been sufficient to maintain i

an adequate safety factor. These short anchors were found in 10 of the 98 randomly selected supports. Twenty-two adjacent supports were also sampled in

which 6 supports were also found to contain the short anchors.

Every support, in both the random sample and in the adjacent support sample, j that contained a short anchor was evaluated using the actual ereedment to

' reduce the anchors's capacity. A factor of safety greater than 3 was confirmed in every case. As reported in the PGandE January 27, 1984 letter, the margin in the design of the raceway .tupports is large. The effect of relatively few short anchors on the overall safety was determined to be neg11 gable. This conclusion has been conffreed by the random sampling program.

Embedment Fourteen of the 98 supports sampled contained anchors that did not have the embedment specified on Drawing 054162. Ten of these supports were those containing the short Hfiti Kwik-Bolts. In most of the cases, the embedment was within 3/16" of the required embedment so the resulting reduction in pullout capacity was relatively small. Nevertheless, in all cases factors of safety greater than 3 were confirmed.

Spacing Of the 98 supports sampled,17 had anchors spaced closer than 10 diameters (10d) from anchors in other supports. Most.of these spacings were in the 7d to 9d' range. Even after using the conservative reduct1on equation stated in Attachment D, all such cases were confirmed to have a factor of safety in excess of 3. ,

i 0199d El

i 8

Also, 72 of the 98 supports were found to contain anchors spaced closer than 10d from another anchor in the same support. The inter-support anchor

-spacings are frequently less than 10d because manufactured fittings with predrilled holes are commonly used in the raceway support desfgns. These conditions had already been accounted for in the design calculations by neglecting one anchor or derating the capacity and they do not constitute deviations from design requirements.

Edge Dfstance i

Two supports contained anchors spaced less than 5 diameters from concrete edges or embedded items. Both of these cases were evaluated and were found to be acceptable (factor of safety much greater than 3).

Angular Alignment Eleven of the 98 sampled supports contained anchors installed between 50 and 150 out-of-plumb. In PGandE's January 27 letter, a discussion on the effects of anchors installed up to 150 out-of-plumb was presented. All available test data indicates that anchors installed within this tolerance perform satisfactorily. As a follow-up to the testing of misaligned anchors referenced in the January 27 letter, the testing of 1/2" diameter and 3/4" diameter Hitti Kwik-Bolts is now complete. The test report is currently being written. These tests demonstrated that there is no reduction in ultimate capacity for anchors installed within a nominal 100 tolerance (the tested angles ranged from 90 to 120).

In the sampling of the " adjacent" supports, one support was found to contain 2 anchors installed at angles just over 150 (approximately 160 or 170).

This support has a factor of safety exceeding 10 and was, therefore, judged to be acceptable.

Miscellaneous Irregularitfes As expected, a few supp' orts were found to contain anchors with miscellaneous irregularities. All of these anchors were found acceptable for the reasons

,. described below.

o Loose nuts were found on four anchors. In one case, the loose nut occurred in an anchor installed in a base connection containing two anchors. The design required only one anchor in the connection. As one anchor in the connection was installed with no deviations, the loose nut on the other anchor is of no concern. In a similar. case, one of two anchors in the connection did not have a nut. As the design only required one anchor, this condition is also acceptable. The other two cases were also' evaluated and judged to be satisfactory even with one anchor nut slightly loose.

t 0199d E2

, -: 1 o Oneanchorwasfoundtobeonethheadshyoffullnutengagement. The factor of safety on this anchor exceeded 10 and was, therefore, judged to be acceptable, o One anchor nut was observed'to be damage:d. The ancher was in a two-anchor connection whose design required only one anchor.

In a related, but separate investigation, tne electrical contractor's QC inspection records wera' reviewed to identify cases'in which anchors were (1) straightened to improve alignment, and (2) torqued tc fmprove nut engagement.

In situations involving anchor straightening to improve alfgnment;; only 11 cases were found (in the app'roximate'y 125,000. anchors addressed in the inspection records) which had their alignment corrected. 'Of the nearly 400 anchors-inspected in the recent randca sampling program, only one anchor showed signs of straightening. Even if all 11 of these atfteted'enchors wera ,

realigned by hammering, the infrequency of occurrance elfainates this as a +

concern. .

.1

~

The results of this record review also.found 317 cases in which anchors had been torqued to improve nut engagement. The inspection records ~ addressed the installation of approxfmately 125,000 expansion anchors. Thus torqueing occurred in less than 1/2 of 1 percent of the anchors. Thisclearlyhasno .

significant effect on the overall sifety margin in the raceway support

- systems. ~Further, load-deflection curves for expansion anchors show that the anchors deflect between 1/2" and 1" before their ultimate strengths are ,

reached. Thus, torquing the bolts to engage one or two more threads,3(which would deflect the bolt approximately 1/8") would not be cause for any concern.

4 As indicated earlier,' raceway support systems are designed with the:!arge factors of safety. From the results of the sampling program evaluaticas, it is evident that the factors of safety built into the raceway support de' sign are large.enough to tolerate an occasional frregularity in expansion anchor '

installation. ,_

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• Please review this te see if this edequately reflects your findings and conclusions. Please respond by telecon to D. Kirsch by noon.

f! arch 7. 1984 I wousehm seman.t 5 _

bif 5 wet,\

Task: Allegation or Concern No. 166 ATS No.: RV'-84-A-0021 BN No.t Char.cterization:

M. P. Foley Quality Control personnel are changing quality control documentation using general guidelines with no overall controla provided for probl.a docu.entation, re.iew of changes by management, or management review

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Please review this to see if t*.is adequately reflects your findings and conclusions. Please respond by telecon to D. Kirsch by noon, March 7. 1984.

e TuaEJa4Ts masseps

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Ta'sk: "Alle ation g or Concern No. 166 ATS No.- RV-84-A-0021 RN No.:

Characterization:

H. P. Foley Quality Control personnel are changing quality control documentation usins general guidelines with no overall controls provided for problem documentation, review of changes by management, or management review of corrective actions.

Implied Sinnificance to Plant Desian, Construction or _ Operation:

Discrepant records may have been revised to reflect inspections and/or inspection criteria compliance, necessary to assure the verification of installation quality, which may not have been accomplished.

Assessment of Safety Sinnificance The staff evaluation of this concern consisted of: (1) a review the procedures and criteria associated with the document review and revision process; (2) interviews with responsible licensee and contractor personnel; l

and (3) an examination of a sample of documentation packages to determine the types of record revisions which had been made and to evaluate if the revision made reflected the accomplishment of an activity which may not have been performed.

+

The staff enemined the procedures and criteria associated with the document review and revision process. H. P. Foley Quality Instruction No. 4 (titled

" Records Correction"), dated August 18, 1983, establishes the methods and actions required to alter, change, correct or modify quality documentation. ,

Additional Buidance is provided by a Foley Inter-office teemorandum, dated October 6, 1983. These documents provide the Foley Quality Control personnel, engaged in the review and revision of quality documents, with the Suidelines and authority necessary to correct obvious discrepancies noted during the document review process. Both documents provide requirements to assure that:

the changes made are justified and do not mask the accept / reject status of the ites; and the reason for changes made, which if not obvious, shall be 4

indicated on the document or a separate attachment. The above guidelines provided to II. P. Foley personnel perfoaming the document turnover reviews require that items identified as discrepant be documented on inspection reports, nonconformance reports or document deficiency notices-(DDN's).

The staff found that neither of the above documents specifically provide for management review of, and concurrence with, each document revision or change; however, recurring deficiencies in the quality documentation have been brought to the attention of management for resolution in the form of inspection reports, nonconformance reports and document deficiency notices (DDNs). The staff found that management had acted responsibly in evaluating and resolving these issues.

As an improvement in the review process, the licensee committed, in their letter No. DCL-84-080, dated February 29, 1984, to specifically provide for management reviews of document changes. The staff conducted discussions with f

4

, - . . - , , . _ , , . , . . . , _ , _ _ , ,. _ . . , . , , . . .,m_,_ __.,._m..,.,--,., ,m,,,,,.,,..m%,%, . . _ . , _ , , - , _ - . . , , , . , , , , ,,..,-,_,,.-,,,_,,,,,,-,,y., -

...,..,-,,c.,,,,,,_,

E 5 .

responsible licensee and contractor personnel engaged in the document review and turnover process. These discussions indicated that,' while senior level personnel were generally familiar with the total program for review and turnover of quality documents) jhe document review analysts did not have complete visibility of the total program and, thus, had reservations regarding the-adequacy of resolutions provided in respense to Document Deficiency Notices which they had written. These reservations seemed to be largely due to the lack of *gcomplete explanation by the organization assigned to resolve It the problem on certain document deficiency notices as to why the situations were resolved in the manner indicated on the forms. Therefore, when the-completed package was returned to the document analysts they could not be sure the resolution was proper.

To assure that resolutions to identified problems are more adequately documented, the licensee committed, in their letter No. DCL-84-080, dated February 29, 1984, to revise Foley instructions to more adequately specify and

[

provide for approval levels and documentation required for changes or i

j corrections to quality records (this includes resolutions to deficiency notices). In the course of discussions with document turnover analysts, several examples of allegededly defective resolutions to document deficiency notices were provided to the staff. In order to resolve these concerns the 1

start examined tne resolutions to 133 accument ceticiency notices (11 generic, 57 electrical, 40 sechanical and 31 civil) and examined 29 related purchase orders and 47 related file packages. In general, the staff was able to verify that the stated resolution was adequate. However, in 5 cases the resolutions l

provided did not appear to be justified. In two cases, Foley engineering had l erred with the result that, in each case, the wire installed in a Class 1 l

l l

I

e s .

circuit was not traceable to an accepted wire spool (Nonconformance reports were written documenting these discrepancies). One case involved a mere paperwork error with no effect on the installed circuits. In two cases, Foley engineering provided a response which could only be accepted if an actual field verification had been performed; however, there was no indication a field verification had been done. Subsequent reinspection by Foley verified that the two circuits were properly installed. Therefore, of the 139 deficiency notice resolutions reviewed only two DDNs were improperly .*l dispositioned. PGGEelectedtorepplacethesecables. In the inspector's k opinion the$e $ a high probability that these two instanc s merely represent a failure to record the proper wire spool number on the wire pull card since the actual cables were color coded and PG&E had purchased color coded cable (other than black) to the requirements of the applicable IEEE standards.

Thus, the staff has no real concern for the true acceptability of the cable which was installed.

The staff concludes that the overall controls, provided to quality control and docusent analysts, generally provided for adequate record discrepancy documentation. These controls could have been made more comprehensive and effective by specifically providing for management review of changes and management review of corrective actions. The staff found that, although not specifically required, management was involved in the document review and discrepancy correction process as evidenced by management's involvement in the review of ' recurring inspection reports, nouconformance reports and document deficiency notices.

l w- e. w.-w- - -+ W - w -e n,s---q- ,. -y. -a w e oryy.-.. ,.w-=,.>, , , - -,, ,-==,.m -,.-w--r-,-e-f, --. --,w.--g- w,- --w--, ...- . m.w.v--ew eew, & w -a e we e + == -&v e ---s e 49 e ew- +s--- -*e-

i The staff further concludes that the apparent confusion of document analysts regarding the overall document review and discrepancy resolution program did not result in an unacceptable level of document review and discrepancy resolution. This conclusion has basis in the results of the staff's examination of 139 of the more troublesome DDN resolutions, as detailed above.

No real hardware problems were found.

Thus, the staff concludes that the identified concern, while true, is of only minimal importance and safety significance.

Staff Position The staff considers that the general guidance provided personnel reviewing quality documentation, in preparation for turnover, to control the revision or changing of those quality documents was generally adequate. While the guidance did not specifically provide for management review and approval of each change, the staff finds that management was involved in the resolution of generic types of document changes and that management had generally provided controls over the types of changes which may be made and the documentation necessary to provide the justification for the change. With the further clarification of document change approval levels, the clarification of documentation required for quality record changes or corrections, and the increased training of quality control and document analysts, committed in the February 29, 1984 PGEE letter, the staff feels that the licensee's document review and turnover process will be further strengthened.  !

1 I

l

h 4

• Action Required YODEe 9

e

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g up: foe a 4 W6 er A ~

a.441r W b' * " ^* !#'

fpigera ll%/ty

- trao Allegation or' Concern'No.

_ hh( ,

Task:-

ATS No.

Characterization ,

H. P. Foley QC personnel are changing quality documentation (addingi del $ing, or modifying information) using general quidelines with no A

overall . control for documenting problems, providing for management review of the problem and corrective action.

' Implied Significance to Plant Design, Construction or Operation

s. A-Discrepant records may be revised to . fl.9* c; inspections and/or criteria which are key to the quality verification of installations.

Assessment of Safety Significance H. P. Foley Quality Instruction, QI-4, Rev. 1, Records Correction, dated August 18, 1983, establishes "the methods and actions required-to alter, change, correct, clarify or modify Quality Control Documentation I

Record (s)." Additional guidance to H. P. Foley document review personnel __is provided in an inter-office memo from L. Wilson to J. Thompson dated October 6, 1983, rega.rding " Correction of Quality _

Documents." The October 6, 1983, inter-office memo utilizes specific paragraphs of QI-4, Rev. I to provide guidelines on the authority and an responsibility for correcting obvious discrepancies a. quality documentation for document review personnel.

g y--- - - - . - - - - g - w.--. u-.- -g---i yw

I

, i Both QI-4, Rev. 1 and the inter-office memo specify that the individual who changes quality documents is responsible that "the changes are justified and in no way.. masks the accept / reject status of the item."

In addition,' they both also state that when not otherwise apparent, the reason or justification for each change or addition to a document shall be indicated on the document or separate attachment. In certain instances as described detail in H. P. Foley Inspection Report IR 8802-1462, dated-July 11, 1983, Weld Inspection Sheets (WIS) must be

~

completed or completely remade u' sing supplemental information such as the Work Process Traveler, Weld Withdrauk Sheets, and inspector's field notes'. The IR stipulates that the completed WIS reference the IR and that it be co-signed by a QC supervisor. It is apparent that additional management attention was deemed necessary when actual QC:

m.

- records were being completed and not just corrected or modified.

In part, theallegationthatqualitydocumentsarebdngchangedwith no overall control for documenting probvlems and providing management ~

review of the problem and corrective actions was substantiated in that QI-4 nor the inter-office memo provides for such management control.

However, there is evidence to indicate that generic deficiencies have.

been brought to H. P. Foley management attention for resolution such as inspection record deficiencies described in H. P. Foley NCR 8805-884 Rev.1, procedural requirement violations described in NCR 8802-944, and the re-creation of Weld Inspection Sheets described previously. In addition, the guidelines provided to H. P. Foley personnel performing documentation turnover reviews specify that items identified as being discrepant in accordance with H. P. Foley Quality Control Procedure, QCP-3, Rev. [ocessingandControlofNonconformances, dated

i H. P. Foley November 1,1983, shall be identified on an IR or NCR.

non-QC personnel performing document turnover reviews utilize the Document Deficiency Notice (DDN) system to initiate changes to records The DDN's are given supervisory review and have which are not obvious.

been letter-coded as to the type of document deficiency for each DDN.

PG&E activity audit No. 83429A regarding DDN's has increased the awareness of personnel dealing with DDN's of the need to comply with QCP-3 should significant deficiencies be identified.

In interviews with H. P. - Foley personnel performing documentation reviews, the initial attempt for any. quality record change is to contact the~ originating person. If that person is no longer available, then the originating organization is contacted.

.44 M*

-The NRC inspector reviewed a sample of DDN's and documentation packages as described below to determine the type and extent of records msde corrections or modifications : 7 f_.d.

Number Sampled DDN's _

~

\

11 GenericW G-dO1 thru 011 25 (approx.) '

Electrical: E-001 thru 160 I r 11 Generic: E-113 E-212

-153 -223 ,

l

-207 -257 i

-210 -342 l

~211 -352

-471

t r Sample: E-101 E-235

-116 -365

-120 -377 t@-

-144 -378-

-208 -442 21

-209 -443 Total Electrical = 57.

-214 -400

-218 -486

-224 -430

-429 386 M-001 thru 100 25 (approx.)

Mechanical:

~ ~

,',,~ - . l 5

Generic M-230

-360 .

'311

-158

-407 l-  ? .

10,-

Sample: M-005 M-206 l

I -021 -244 Total Mechanical = 40

/ .

-037- -308 4

-138 -360

-197 -145 i-i P. 0.: P-621 thru 660 s

l

-981 thru.1000 15 (approx.)

i

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3 Generic: P-528

-977

-837 I 11 Sample: P-451 P-895

' -458 -1072 Total P. O. = 29

-465 -1132

-528 -1153

-662 -1154

-728 G

C-161 thru 200 25 (approx.)

Civil:

. . . .. (O Ceneric C-024 1 C-005 5 Sample -

-025- Total civil = 31'

-080

-110

-173 i

! File Packages:

' Number Sampled Area .

Electrical Circuits 30 5

Structural 6

Instrumentation 6,

i Civil Total Sampled = 47

. - - , . . ,. -v_.-,--.,-,---,w ,-_.,-_%..q-,_.- ,_._..-wv.,,--,_-e.-,.4 ,-wwv.e., -~w-,,ww.m ,w.,, -w#w _--~-.rm-eyw- e.,,,c,. ey

, 'i l

From the review of the sample of file packages, the records corrections were of a minor nature and were made in accordance with the instructions of QI-4. For the most part, the review of DDN's indicated that deficiencies were'being identified and ' adequate resolution Of the 57

' provide, except .in the case of the electrical circuit DDN's.

total electrical DDN's reviewed by the NRC inspector, for 5 DDN's the resolution provided on the DDN did not justify the record change made.'

The five DDN's are described below.

-DDN Remarks E-378 The response from the H. P. Foley engineer was (NCR-8802-1015) incorrect in that the deficiency was not an

~ " obvious transposition," but a real case of the loss of wire traceability.-

E-377 The~ response from the H. P. Foley engineer bypassed E' document control where perhaps the error in the

" documents-transmitted sheet would have been identified. There was no effect on the circuits installed.

/ .

6 E-443 From the response to WCR-8802-904 it is not (NCR-8802-964) apparent that the issue that a 20 foot length (NCR-8802-1017) of wire has lost its traceability has been addressed.

The response from _ the H. P. Foley engineer could be l E-365 and E-442 t' accepted only if actual field verification was performed. There was no indication that this had

' been done. Subsequent re-inspection reveals that the circuits are properly installed.

In the five of 52 instances described above, it is not apparent that the quality records change was properly justified as provided in geo ;* y:<. fr o a-

- sf QI-4, Rev. 1, response to the DDN's. This is in apparent "4^1=ed the Section 5.1.3, which states that "when not otherwise apparent, reason or justification for each change or addtion to a document shall

'be indicated on the document or the separate attachment." Note: PGM i.+n a M ~-

h?" /"*^

it findings should'be noted here)

/Mu vu v HD

/ sessry%+f Staff Position .

1. It appears that there are sufficient management and procedural controls for documenting problems and the review of documentation However, problems when changes to quality records are bieng made.

the NRC inspector recognizes that the authority for making reocrd changes is not defined in QI-4. . From a procedural standpoint QI-4 should be changed to comply with ANSI N45.2.9-1974, paragraph 3.2.6 which states that " quality assurance records may be corrected or supplemented in accordance with procedures wh'ich provide for appropriate review or approval by the originating i.

organization.

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b tially 2.

It appears that quality records63have not been su stan in any way reflect acceptable installation changed or modified or inspections when actual condition are not so.

f i f the 3.

It is the NRC inspector's opinion that additional rev ew o  !

that proper responses to electrical DDN's be performed to assure engineering judgement was used.

i Disposition

4. A general comment on the respo'nses made to Engineer ided is ng i Requests (EDR's) in which only yes or no answers are A prov id later confusion.

that more detail is needed in order to avo ld give brief description of the answer and the justification wou Fif teen EDR's were some insight into the basis of the response.

~

tk. found to be reviewed and when researched all - responses were acceptable.

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PGandE Letter No. DCL ENCLOSURE OUALITY ASSURANCE RECORD REVIEW l':: I;wr ev ;GR CUAL:: . _ ' t UN Foley Work History 4

In 1970 the H. P. Foley Company (Foley) was awarded a contract for electrical system installation activities at Diablo Canyon Power Plant (DCPP). Starting in 1977, Foley's role expanded and they became involved in other areas as assigned by PGandE. Following the initiation of the Diablo Canyon Project (DCP or Project) design verification program in 1981 to review

(]) the adequacy of plant design, the magn'itude of the Foley work increased l

dramatically. The most significant increase in work began' in November 1982 as a result of various modifications that were required in response to the verification program findings. This increased level of activity continued for nearly a year. Identified below are the major Foley tasks which required documention and the year each task began. All of these tasks remain Foley's responsibility.

Activity Year Begun

1. Electrical Equipment Installation 1970 l

l

2. Conduit and Raceway Installatien 1970

3. Cable Installation 1970

4. Wiring Terminations (Connections) 1970

() 5. Instrumentation Tubing Installation 1977

_ 0086d/00030,, _ ._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ N

~' .-

.e 17]

Activity Year Begun ,

6. Local Instrument Mounting 1977 4 7. Valve Maintenance 1977

8. Equipment and Support Grouting 1977

9. Structural Steel Installation 1979 ,

10. Concrete Placement and Repair 1980

11. Installation of Platforms and Stairwells 1980

12. HVAC Duct and Support Modification and 1981 Maintenance

1. RECORD REVIEW 1

O .

Review by Foley When Foley commenced work at Diablo Canyon, there were no NRC or specification requirements for quality assurance (Q.A.) records revie[ The 1

Foley Q.A. Manual provided the guidance for all quality related activities until 1974. During this time duplicate records were sent to Foley Engineering and Quality Control Departments and to PGandE. From 1974 to 1977 Foley

. . developed written procedures based on the Q.A. Manual, and distribution of duplicate records was eliminated. In 1976 Foley 0.A. did a comprehensive audit = 'l + a' " ;r statements in the Foley Q.A. Manual. b 80 the M ,,

Foley Q.C. manager directed the respective Q.C. supervisors to review all y ..

quality records.from 1977 to 1980 and to review all future records before O fiiino. (e, , . ). -- 7,, <o e ,~ ~ u .r >. )

./o u n ? 0086d/00030 Draft 14/01-24-84 e

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O From the start of Foley's work at the Diablo Canyon Nuclear Power Plant (DCNPP) through July 1983, the quality assurance records were generated by the responsible Q.C. inspector and reviewed and approved by the Q.C'. inspector's .

supervisor. In addition, the responsible Foley quality control supervisor does a second informal review of the completed work package to assure u

technical adequacy. An administrative review of each document package was performed by Foley Records Management. The process of inspection and records generation review was audited by PGandE Q.A. and the NRC to verify that all requirements in effect at the time were met. All record discrepancies have been corrected, f

Fon*'1974through1980Foleyconducted89Q.C. audits,mostofwhichincluded O

documentation. M a- M W M * ~ ** - .WM*"-

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' From 1977 through 1980 Foley's work force decreased to a ela v1 lg' m level,duringwhichtimeFoleghadnoengineeringorscheduling MmW.

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1Lt. Tw s)d[= inspectors _g c4o w = M  ?~  :' e. i and engineers checked with' Foley crews

, ,' 6 2_2 M 4 . 4. Wq e-responsibilities.4 PGan 9 directly to assure work was installed according to , specifications.h"$, ?

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Due to th. 1=*; *ncr:::e '.n  ; r'10:d r:=lth;.4eem the design F As b - k < .

verification program,;nd +% ::r.o.pund;/gM uu inui mo3e h ;,e.= ....n e& -Me+:epcf Foley fAR %

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" deisiied piuwcaures % ove t N - *H n; ;f n a 'r ;;;t:r ;nd the 7'

M pre f

g Agy- A i..w L 4.<4 a. + t 6 ,., t a t. w ,

j' control of document review. a Quality Assurance Instructions (QAls) W Mc M W W i were issued in July 1983 toprovide auidance for record review. e were

~

W pplied to all ongoing activitie r,equiring quality assurance.

./.,. )

~'3-0086d/00030 Draf t 14/01-24-84

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1. n To: increase > confidence.in the accuracy and. completeness.of their records, '

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O, Foley, decided to retroactively apply these: QAls in a review of all, Project .

records since September 1981. This review of past records accomplished the

following

.

1. Reviewed all work done since November 1982 when the upsurge. in work 4

began as a result.of the verification program modifications

! 2 . Assessed the adequacy of- records made.during .the informal. program

. (prior to June 1983) by comparing them with records completed under formal program (post-June 1983) . po*#I m ae rd

3. Included in the review all records for work completed since g ,' [M is 3,

Q^ suspension of the initial fuel load license h M 8l .

l The formal Foley. document review program has been divided into two

, phases-a technical r'eview phase and an administrative review phase. The technical review (Phase I) compares as-built drawings with field cinspection g M 3:

La b + psA i documentation to assure consistency.between these two ement The. technical peu i p,r fMs f ?

}

review determines if the-inspection documentation supports the~as-built R

. . drawings by verifying items such as proper weld configuration, correct number of bolts installed, and material heat traceability. In the review of ..

b . electrical work, which does not have as-built drawings, the inspection

~

l documents are compared to the modification or installation design sketches.

l Some random field inspections are perfomed to assure that the as-built i

I conditions are accurately reflected in the documents. The Phase I review was

!O started in october ,,83 and was com,ieted ,rior to fue, ioad for records

{ - i

0086d/00030 Oraf t 14/01-24-84

~

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} .

generated since September 1981 and required for fuel load. Phase I review of an estimated 15,000 documents resulted in approximately a dozen nonconformance j'/ i reports which were resolved with a ery small amoun of corrective work in the S-t af t.

r i field. The Phase I review of the remaining records wil'1 be completed prior to the respective milestone activity. .

i' The administrative review (Phase II) checks the entire document package

' before turnover to PGandE. This review assures that the documentation which I

supports the program implementation is complete, correct, and properly cross referenced in the package indexes.

I iO The Phase 11 review of records generated from September 1981 through July 1983 has been completed. -

During this review, Foley initiated 1400 document deficiency notices (DDNs) for these recor notices were mostly the pu/ [ $

result of corrections to the documentation without the responsible person

initial 11ng the changgTo date,1100 DDNs have been closed. Most of the I

300 DONS not yet closed involve vendor qualification on purchase orders.

I Purchase orders were not included in the Phase I review.

. As a result'of closing the 1100 DDNs, approximately 400 additional f manhours were expended to investigate-the concerns identified in the DONS. No unacceptable work regarding the DDN concerns was discovered during these inspections; however, a few deficient conditions unrelated to the DONS were i

discovered during the inspections jand subsequently corrected.

1 Q dec=44 0086d/00030 Draft 14/01-24-84 I.

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i

~

"I qualitative comparison between pre-June 1983 records and post-June 1983 records (i.e., between the informal and formal review program) discloses no difference in the quality or acceptability of the records. The Phase II review will be completed before commercial operations.

When the present Records Manager came into the Department in June 1981, 7

the existing nractice was for n_c r h M ew each package for M"F ' 'd s, n c .sur7mu cJ O

completeness,,4oi~10wed by the Q.C. Clerical Supervisor's (now the Records g;'] b i

e Manager) and the Q.C. Supervisor's review of the package. Thi's practice may have begun = ;tiae in 1979,1000.-

O The preced'as descriptioa or roiev's co a av po15cv ad practice shows

~ ~

that the work records have been repeatedly reviewed according to the review requirements in effect at the time. Furthermore, any weaknesses found in the Q. A. program or discrepancies found in the records have been corrected. N NME~

gy Q ody 1(4 f M M A m f ' ' ~ '~ M Review by'PGandE .

WE - %

Since 1970, the PGandE 4 Quality Control Department has conducted over 200 l activity audits of Foley work, the number of audits varying each year according to the amount of work performed. Activity audits review all aspects r of the work associated with a particular. activity. However, one of the l primary purposes of these audits is to review the documentation associated with the work performed. Documentation discrepancies discovered during these O reviews were documented and resolved in compliance with the discrepancy

~

procedures in effect at that time.

0. /

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O PGandE Construction Qua ty Control conducted audits of Foley's records in 1974,1976,1977,1980 an 1982. A 1974 audit of Foley for review and control of documents recommended orrectiveactiohthatwereimplementedbyFoley. A 1976 audit of Foley quality records associated with specification 8771, for which Foley was a subcontractor to G. F. Atk,inson for construction of the ".

control room complex, required corrective action. After completion of the corrective action by Foley, PGandE requested G. F. Atkinson transmit quality M

assurance documentation to PGand(Quality Control.

An April /May 1976 audit of Foley purchase documents and procedures ,

associated with specifications 8802/8807 required revisions to the Foley

!O au 15tv aracure eat arasr = ta ssure ci s= t t ri i was ia co aii ac with quality requirements.

Il In May 1976 Foley initiated a series of Q.A. audits for Unit 1 records b associated with specifications 8802/8807 prior to turnover of these records to s s

PGandE. A total of thirteen audits have been identified which reviewed Unit 1 I

quality documents for these Specs. A Foley letter dated December 21, 1976, gbS . g-states each drawer of quality records will be spot checked to assure that the problems disclosed by the audits were adequately dispositioned. p. w gk: .'

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p

. V In February 1977 PGandE 4 Quality Control audited Foley to check the hh k gecuracyofallUnit1 quality,recordsassociatedwithspecifications ye 8802/8807 and the state of their preparedness for turnover to PGandE. At that time, an estimated 25% of the records were complete for turnover. Four minor problems were disc' overed in the 347 reports included in the audit. The audit 0086d/00030 Oraf t 14/01-24-84

a

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characterizes the accuracy of the records as good.

[3

(

ummarizing the condition of the Foley quality records associate th specifications 8802/8807 as of , February 1977, it can be seen that 1

discrepancies in the records program had been identified and corrected and th re were accurate and ready for turnover.

A July 1980 audit of Foley procedures states Quality Control Procedure QCP-36, " Records," contains all of the elements for Criterion 17, Apg4g ), du

. 15:

p A November 1980 audit by Construction Quality Control of Foley termination

~

records recommended revisions to Foley practice, although no discrepancy reports were issued.

No other Q.C. audits of Foley records were done from'1977 through 1981j since Fole.y did very little quality work during this period.

A January 1982 audit of Foley documents to verify closure of work before release to PGandE did not disclose any discrepancies other than clerical errors. Records for 1979-1981 were sampled in this audit.

An October / November 1982 audit of Foley document control determined that the work was performed satisf actorily; however, several clerical errors and procedure discrepancies (Ref: MVR E-2423, Rev. 1) were found and corrected.

0 -

0086d/0003D Draf t 14/01-24-84 p - - _ - _ _ _ _ -_ _

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In y 1983, PG '

ed a records rev p to audit h of 10% of Foley' completed re :ords gene ed between eptember 198 uly

-l l 1983 fo correctness and com eness. No significa indings resulted.

. . 1 %

i Since one of the primary purposes df.these audits and inspections is to nn review the documentation associated with the work performed PGandE' modified (

• its review process in 1983 by replacing most audits with inspections. Because audits review all aspects of the work associated with a particular activity, dach-whereas inspections address specific tasks within the activity, PGandE felt h inspections would be more appropriate than audits.

b k(

Q

.LPh In May 1983, PGandE formed a records review group to conduct an 4

administrative review of a minimum of 10% of Foley's completed quality records generated between September 1981 and July 1983. This review was independent of the Foley review of' records for this same time period and was , intended to provide addad =unrance that no major deficiencies existed in the Foley's recordt. This administrative review was actually a 100% review, and verified /

i

~C completeness, correa. ness, ano leg 5111ty of the records. AyT' Only minor administrative discrepancies were revealed which required no further b

, inspection. Again, qualitative comparison of pre-June 1983 records with post'-June 1983 records disclosed no difference in the quality or accepta,M ity af the retardr M 9 5 C**N # W PGandE y will conduct an additional administrative review of a minimum of O iO% of aii roley queisty records csince 19203 before these records are .4 ee e -

to PGandE. This review will meet the ANSI requirements standards for review l 0086d/00030

- _ . . - - - _ - . - - . Draft 14/01 24..84 _ _ _ - - - . -

c -

\

l 1

O t of records before turnover from contractor to owner. PGandE review and receipt of records will begin when the Foley record turnover procedure has been finalized and approved by PGandE. PGandE turnover review will be completed before commercial operation.

f4 A- 4 F WLAp Additionally, a 100% administrative review is performed by POndE's W #-

6 Records Management 5"!+^= (PS) group prior to turnover to Nuclear Power Operations (NPO).

LM

- 3 ,g 4 PGandE Quality Assurance has conducted over 100 audits of Foley's work from 1970 to 1981, and 92 additional audits in 1982 and 1983, most of which O included reviews of any documents associated with the work activity.

II. INSPECTOR OUALIFICATIONS From 1970 through April 1981, formal certification was not required for Foley Wpersonnel; however, requirements and responsibilities for training Q. A. personnel were in effect.

l . Quality control personnel were given inspection assignments based on bgW 7

interviews by Q. A. management to determine the inspector's education and W*

previous experience. Training was designed to acquaint inspectors with q i ' department procedures and the requirements of any new assignment. New inspectors were assigned to experienced inspectors who provided them with on-the-job traini'ng. _

Documentation of on-the-job training was not required.

An inspector was never assigned to make an inspection independently unless his Draft 14/01-24-84 i 0086d/00030

3.

ENTRANCEINTERVlEW CONTINUING SPECIAL INSPECTION 1/4/84 S. D. Reynolds, Jr. Lead Reactor Engineer Region I iLL Materials & Welding Specialist Car (lGUG427 CA)

D. A. Rockwell Project Field Engineer Kirk Glenn G.C. Q.C. Supervisor J. R. Fair- Senior Mechanical Engineer I.E. 2.2 Z Car (IFZE647 CA)

D. Wickard P.T.G.C.

L. E. Rosetta Project Field Completion Manager Albert B. Ruff U.S. - NRC Reactor Inspector Region II z. 3 o 1976 Capri (919 NMQ CA Yellow) , .

Region V 'E+

P. J. Morrill Reactor Inspector Reactor Inspector Region y 12A G. H. Hernandez 1980 Toyota (1BAV686 White)

Grant Glascock Electrical Resident P.T.G.C.

Jerry Arnold P.T.G.C.

E. H. Girard NRC - Reactor Inspector Region y 226 1983 Reliant (lE0Z233)

Region V i5o W. J. Wagner NRC - Reactor Inspector

'I D. Kirsch NRC Region V

M, i D0cuc<r nanER SEcrION THURMAN allen 4012 ANALYST C c e -"

JANET ANDERSON 2175 ANALYSr f*

/J vo IAURIE BARGER 1053 ANALYST o -

GARY BOLING 2071 DOC, IURNOVER SUPERVISOR

- 9:h BRUCE BRIGGS- -

2418 ANALYSr C->+b -37 BEIH CAIN 2199 CLERK GRADY CASHWELL 2458 ANALYST P>/,,-/

RAY DAVIS 2178 AIRLYST s <

n~ 3

VERIDN DrWIS 4091 ANALYST TINA FTIN 4444 CIERK -

IESIER F11EnGE 4015 ANALYST 6 * * ".

POBIN F0 cat.n 2277 CIERK JOY GUY 2381 CLERK e ,, 3 - WOODY HUDSON .. 2392 ANALYST ^t .

- BILL McCIENDON _.- 2417 ANALYST m. . a JEANINE McVICKER 099 CLERK BEVERLY RANSDE!1 2200 ' CLERK ,

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% QiARLES ROBERSON 4018 ANALYST O-CAROL RODENHI 2374 CIERICAL SUPERVISOR CHERYL SOIAFFER 4442 .CIIRK DON SHEALY . 065 QA SUPERVISOR

- RUSSEIL STROUD 4010 AFN.YST h r. '

!!ARY TROUr 2385 CIERK VICIOR WRIQfr 2070 CIERK

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• December 21, 1976

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R _(E,t. :.'ai e ~ , .

L. E. Addleman t .y.. d . r- Project Manager ,

w . .g.> . . . , Post. Office Box 327 mr * " " Avila Beach, California 93434 ,

. . .? ;.

6 '

Ni.e c L- ATTENTION

'- V. Tennyson - -

9 s. .

g .

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P.G.&E. Con' tract

]':g., i 4'..

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. 22C-8802-2 9 .Di4;. GM - .Our Job Y-573

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Quality Assurance I. e 3.J"l Unit I Document U

k'4 \,^.

Turnover Audits ,

f. .o"y ; . , ,

2 ' Gentlemen:

p. ' ;f_*y,y c.'-

" fA~ revised atidit program of the Unit I documents scheduled 3 g1 &%? -

., -, has ;8,to'be' been turned over to the Pacific Gas and Electric

, ~ ,

initiated as stated in'our letter dated Sepccaber

,4 we.. . gm. . .. . . TH E g '197 6. '

• I' H jVARD P.; FOLEY9 The 7ro such that assummary l ki%OMPANYh

$ P. o.#BOE 327,f ".. Yoffthe*gress Iindings ofcan the be auditmade.e program The 1: following ' list has been MBEAcH..CAUFU.' "'

• compiled'for the purpose of outlining the' types of pro-W s3424 " - -

blems now being addressed in the preparation of these i

2.

.eg a w 2322 4, documents for final turnover to the customer.

)

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WA *!Mt s? & n.  ;. e

, ., . U~. .' m:4 ps,2*y '9 As the audit findings are closed for each file drawer, .

~. L'Yi S F!r V?*they'will be spot-checked to-assure that the types of OWN. MNNSRVmMYN anLwCRs.uARnuoE P,@ problems outlined here have been adequately'dispositioned acacAco.ituNotSI.4 g.and. 3

.',a,ddressed throughout the file drawer.

l c DAu.AS.TsXAS T i nNNenvma ? Sincerely, G HOUSTON. TEXA5 .T .

mostass cAurOmA,,

INEZ,CAUFORNa - -

l usums.TENNsssee .'.

• l' D* Parrish ORLEANS.Loul$aNA ptNNSEVANA'y ~.

l

't1 . /# enceNuc. AReONA - Quality Assurance Manager esNNsnvma i -LF RCHuCNO,VIRGNa *

.., C swTws m.urm cc

R. Grant iW . - TAupA, rtORoA _ R.-Wadlow 2 TUCSON. AR1 ZONA '

lf "

.?W 1, g.$,*;'W'.-:A$nlNGTON DA l

! ceaseen subeses,y: .

e.w EDuCNTON, ,,, m. .ALSERTA - ..

1. n. .

n. ;. .

h.?- c , .s Attachment 1

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n', s$ RACEWAYAFILESt'~

. =

Lyp;&+8..? 1 5 .etion*

records. I,completadrimproperly' .

3 93.1 .12'.E deWinspected*without' subsequent racewayFre-inspection Nf,te,cweld.srwithout weldrinspection* documents; Open1discr 9:g4,4W 5'.pf Si,zeZeype.epancies remain on inspection recordsl.and vitalit g M.6'n Class' I raceway' inspection record not available~

• i: r 7.'.-File index sheet references are. incomplete A kw @;M 8~ _ Inspection,.r.e. cord verifying completion of C x.;TA 7- s), ,; , . ,n. . .

IMJUNCTION 'AND. TERMINAL BOXES *

3w. .

~ 4C'Z%eis1FaizesIdif

1~. fer lon . insp e ction srecords , Eprinta ;blanMequip-o

$w. dm,.q W code)

II5hS.UPPORT' INSPECTION FILES WY? x -

" u

'pgf'hLJ.l. [yL2. ' Open 3S'.'EW.S3 s

, discrepancies verifies  : welds

.ramain;on inspection without' recordse, weld ~ inspecti~e B '

n.n$;

dIV HEAT.; TRACE FILES ' -

gp.y 1. -  ?

yg'F 6 E . 1. :'MaintenancanandeProtection records are not cdupfe~tiidW ef '.4l : 2. All' MVR's listed on index are not in files

'W-3.r, EIR's are on file for controll'er and cable installation...

r

1. M;76? forms!on* file' dated a'fte'r' equipment instalIatioti M

[d": E.h.l * . ~J a.bE. MPIR forms discontinued without explanation Wy:u : ' ,

• c. RIR forms note open discrepancies ypq .

W ' '

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% EQUIPMENT FILES hf[y.l.'ltEIRJdataW transcribedifrom earlier d'ocumentEwithoucasier-w c(ff..pj4, 3, .;ence note ET

'pVIN:%n..ERMINATION ynwy.:. . . INSPECTION FILES .

.p N5tiNhacordsFcompleted improperly

. Aphk^1. M2.'f ,(Nheets,videntifying3discrepanciesrand.Yze in-

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?;:3%sgemaamsERaza~missin's

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- 1.. nation'ir'equeses ~ issued prior ~ to .recogdad terminations, cuits^reterminated:without detarininut'io6 ' req'd' ~ses w S e.s 3.2.5 _ i e

248y&js'3?$ Terminations recorded prior to completed installations dybd4', *0riginal, . installation records not available p'L ice 7wireft raceability not available Mc4$

{G &. W 6. ~.*5Q'WSingle conductor circuit lists' two' wire reel numbers

-##-217.A Recorded wire reel differs. from wire schedule requirement E T' Aracords)available for ClassaI: circuits k* M[,3.f'..D;

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t gg % ,.j ,,_w,, A DATE: 8/10/83 O ~g'g htsbildd$?d-2MrMairMA#MPage 1 of 3 L',TER-O:9tC- n:D 10: Records B*anagerent Departrent/Eleancr Scullen FTO!: Docu:ent Turnover Section/ Don Shealy SUEJECT: Documnt Tumover Review i

This letter is intended to help clarify what che Docu:ent Turnover Section is doing and why we need your support.

l Document Turnover's function is to perform an ad:dnistrative review of all closed files prior to these files being turned over to the owner, P.G. & E. We check each closed file for two main criteria -

"conpleteness" and " correctness".

"Ccx pleteness" for us -is ~ defined as a file having all necessary backup documntation as can be ascertained fra the work i

initiating docuTent within the file package. " Correctness" for us is defined as the file docunents having proper references.

l all acceptance points and hold points addressed, etc.

1 The first step in the Document Wrnover review process is 4

Clerical Review. A clerk prepares the file for the analyst THE using a Data Input Checklist (DICL). First, they compare the HOWARD P. FOLEY index sheet item 3 to the actual contents of the file folder.

COMPANY i The clerk hi-lites on the index sheet all reports, inspection P, o. Box 327 j docuDents, etc. contained within the file. Missing docunents AVILA BEACH. CALIF. or extra documents are noted on the DICL. Secondly the clerk m z4 idmtifies on the DICL all cross-reference itens -

such as ms-Sm .

IR's, NCR's, DCN, Drawings - that will go into the couputer.

Third, the clerk will make note of any obvious problans in the I'

file regarding ' corrections' and 'ccupleteness'. At this

u.. point the Data Input Checklist is placed within the file folder adENTOWN. PENNSYLVANeA  ; and returned unsealed to the vault. The file is then ready for aAtwoac. uxartuo review by the analyst. (NJIE: scxne file cabinets were too es a y  ;

crowded to hold these DICL's and it was necessary to keep them

.maisov.c, ee,.Nsn v. .A in Document Turnover Section). The file that Ibcumnt Ibrnover

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clerks have thus prepared will be labeled on the file drawer s ANg,ty,es

, c, g[ with a Eocunent Turnover Section red label.

WCupses. TENNESSE E ,

NE w owcass. tces'*N A After this clerical review, the file will be reviewed by the

1. " 7'2,7.%'[ analyst. He/she will perform a note in-depth review of the -

ris M M PENNS fLb ANi A 4 file, again Checking for " Completeness" and " Correctness".

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A file that has deficiencies will have a Document Deficiency -

O'.' ' f.T,(.' ~.' :btici (DUN) identifying these problans. These Deficiency  !

rs_s% .a.c. ,..

btices (DDN's) are sent to the responsible departments for i resolution.

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bhen the analyst has detenained that a file is both "emplete" and " correct", the analyst signs the Data Input Checklist attesting that the file has been thus reviewed. The file is thei sealed with a Docurent Turnover label. At this point the file has been reviewed and information regarding the file cntered into the cmputer. Ideally, the sealed file should be shipped off to P.G. & E. as a turnover package. thfortunately, this physical " turnover" to P.G. & E. will not occur until nuch later. Therefore the sealed file nust rarain in the

. Records Managanent Section Vault.

Knowing this procedure, you can see that it is very critical that these files be carefully controlled. Once the clerical review or analyst review has been done, the Doctment Turnover Section cust be notified of any change made to these reviewed files.

,(1). If any changes to a reviewed file are made, or a file beccrne closed, notify the Doctment Turnover Section using the Inter-office Mem '

for " Notification of Record Status Qiange" ,

(AITACHMENT #1). Indicate with a check mark '

whether this is " Newly Closed" or " Info Change Only".

(2). Should any of the sealed files need to be opaled, the follow 1.ng should be done.

6 (a). If the file is only reviewed and no changes are made, put a " File Follower" l THE (ATIACHMENT #2) into the file. Under " Action i HOWARD P. FOLEY Taken" write " Reviewed Only". Put "to" under i

- " Update Required" and sign and date.. Finally,  :

COMPANY seal the file with a Records Managenent Section

j seal, initial and date it.

t (b). If the file is changed, notify Doctanent  !

Turnover Section with the " Notification of Record Status Change". Cou Follower to indicate exactly "plete Action a File Taken"

'and sign /date. DO PUr Seal the file.

Notify Doctroent Turnover of the file being l unsealed with a " Notification of Record Status 2 Change" Pano. .

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If ycu have any cuestions regarding what Domrent Turnover-personnel are doing, please uk us. 'r.'e need .to cnintain an i

open line of comunication between our two groups. We are j all working on the same files. It is everyone's' best interests

to see that they are well maintained.

Thank you for your cooperation.

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N SHEALY

<5-!6 -y $ ~

/ MIE Docunent '1brnoved Section .,

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THE HOWARD P. FOLEY COMPANY l

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IhTER-OFFI BED I

1 TO: Document Tumover Section I

i FPfti: Records Pmagcznent Depa-orent SUPJECE: Notification of Record Status Omges The following records were processed by our department. This list is suhnitted for your -disposition.

FIIE n'PE: -

CHECK IF RECORD CHECK IF RECORD FOUER hEBER NEWLY D DSED INED. CHANGE ONLY CWMENE THE HOWARD P. FOLEY COMPANY P. O. BOX 327 AVILA BEACH. CALIF.

93424 805 595 7377 Omcee: . _ . _

ALLENTOWN. PENNSYLVANIA BALTsuOAE. IAARYtNC CHeCAGO, BLUNOes DALLAS. TEXAS

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"CC.tS8UAG. PENNSYLV ANtA HOUSTON. TEXAS LOS ANGELES.CAUFORN;A MA?,TINEZ. CAUFOANIA

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WEMPHrs. TENNESSEE NEW ORLEANS. LOutslANA rLACELPHIA PENNSYLVANIA P@ NIX. ARIZONA

' .TTS80AGH. PENNSYLVANI A P.scredOND VIRG4NLA g

S ALT LAM E CITY. UTAN TAMPA. FLORIDA TUCSON. AR120NA W ASHINGTON. O C c ....e sun. a,,,, .SIQvmFr1 hW.

EOMONTON. AL8ERTA

. AITAOBENT 2 E! w: . .? . Fc 1 -  : .

Doc u:w. n t r a i r.. -

Filc Followcr File Type: No. Rev. Suffix Class: Unit:

Update Action Taken Submitted ? Signature /Date f

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OUALITY DIREUIOR

, RICK WIISOJ l l

0. A. MM4ACER n,A, Agg,yggs +

JIM U M J. RintSTEIN I

I I l 0.A. ALDITING O.A. RIECHDS DATA PRO SSIMI P. SOUL 1T P. FRDOI D. S!!EAIEy M. RATTERMMI S. RYAN J. RIOtESO3 644 V dea. "4 M. SIDAN C. MILLDt D. 91ID1 J. WmDSO4 SWDC E. 00DGE 7 F5 QUALITY ASSURANCE DIABLO CANYON PROJECT. M 11/83 77 t

GJATJTY DIrnmW PTCv IITr,w I

OUAT.ITV %VW E5'

'!TD CAWIFC O.C. C7D*S I

• tf1dB 4.C. ASSISTAPT F% NAGER l S. W%HAtl DDR CApTER '

r TAYTOR I I I I -l l l l STRLCIURAL IIJLTRICAL CIVIL LUIT 1 N. D. I'. Pl{ASE II f0CLPUT St frEWISOR SUPFFVISOR b RV SLIPFHVISnR INIT TT "TVIDf (Yv m or.

T. IOSELI.I

• L. PIDTER P. VICNP. G. JAOr1IES

• K. CAIJTni IN

b. BEDC L. MIITE IT. A**ARIllAS A.IXBE T M' CW TI' '

L ApAccN J.STAVA P. IKUrti SIHUCIURAL LNIT II J. CRAFT G. IERINAPM '

E. SrUIRES I

O.C. ASSISTAfff MANAGER

.7m nu r M *JO I

1 I I I I I SIRUCIUPAL CIVIL IIECTRICAL frD t'ECliANICAI./ 9.C.

SUPGVISOR SLPEFNISOR SUPEPVISOR CYTT0OL IliSTTU*ETATICN CIERTS E. SUIITR C. AGUEIA

• H. 9tI'ni E. SireWIR C. MALUIT M. DILINDimi K. D'AMEranN g QUALITY CONTROL DI ABLO CANYON PROJECT 11/83 8

I' DAY-OUALI'IY DIRf m RICK WIISON mms > na orneRmnw I -

I m uxos suro ursoR muey -

sUPoNISOR

'NNT'!WIBELL  !

JULIE KRISol g anxzes supoulsoR g

, vIocI cusom!

mxzes surouism NIGHT OIRISTINA MARSH axx m e cm n o.soroursoR P13ILIPPA BRMI I

T ie RECORDS MANAGEMENT &

DIABLO CANYON PROJECT DOCUMENT CONTROL maa 9

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.TO: J. 'To pson, Q.A. Manager FROM: L, R. Wilson, Quality' Director

SUBJECT:

Correction of Quality Docurents DATE: Octcber 6, 1983 This memorandum provides the document review personnel with the authority and responsibility for correctinr. obvious discrepancies on Quality dccumentation wichin the following guidelines: I Each individual who adds or, deletes inforcation or otherwise modifies Quality documentation, has the responsibility to assure that the changes are justifi~od and in no way masks the accept reject status of the it'en.

If supplenental infer =ation must be added it may be neced.

.cn document or, if required for clarity, it nay be neted en '

a separate document. In either' case the addition must be

-(- initialed and dated.

When the reason for a change is net celf evident, a Ericf YY cxplanation vill he included, i If the documentstien is of such quality that .' rarrnductian j- would be ille.:ible the partinent parts .*f the Jctunent may THE  ; be darkened for letibility. A ne t r t ier. "Dorkened fet HO> WARD P. FOLEY  ! Legibility" vill be added cc c'ae decurent; initialee and COMPANY dated.

RW:tt Note: Supercedes remo dated 9/26/S3 6

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f' This memorai.duc. prnvides the document review personnel with the j authority and responsibility for correcting nbvious discrepancies on l Quality documentation within the . f ollowing guideline s : j.

6 T g Each individual who adds or, deletes information or  !

$E.N otherwise modifies Quality documentation, has the -

T responsibility to answer that the changes are justified <l fc 5*4 and in no way' marks the accept reject statur of the item. _l W* A

• Mg " (N If supplemental information must be added it may be noted on document or, if required for clarity, it may be noted on 8

a separate document. In either case the addition must be initialed and dated.  !

.C-  !

4 Wn the reasnn for a change is not = elf evident, a brief j'

, -- . 'ria ation vi:1 1.c included.

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. the drmu er.tation is .d such e;a.il i t y ths.t a !cproduction j .w l d be i l ' e.:ib l e t ha.: pert ine s.t ;:rts -f U.c le:.usent r ay

,te et.r'rerec for ler.i!;;ity. A n.st a t ic n '%:, cned f or

'OWARD P. FOLEY .

1,eeg5 11tya vill , a.W d':n t: docu .nt; int tialtd and COMPANY .* ued.

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& R myh QS J me 29, 1976 s-L. E. Addleman .

Project Manager

. %e Boward P. Foley Company P. D.' Box 327 Avila Beach, California 93424 RE: Standard Practice Methods Gentlemen:

, Attached is a method outline of standard practices for revising and correcting documents maintained by The Howard P. Foley Company at the Diablo Cany.on Site.

The need for standard methods was made evident by Audit DT-1.7 ccnducted by John Collinn. In the General Comments of the Audit he noted that "in some cases, original data had been scratched ont or whited out and the initials and date of the person altering the THE data was not in evidence". Research within my Department and discussions with other Department 40 WARD P. FOLEY Managers indicates that corrections are made by the COMPANY most expedient method as determined by the person Po g e ange, also dat medoh used by each a h. box 327' cuy, person have varied with time and circumstance.

sees asesuma I' feel that the use of these guidelines by The Howard P. Foley Company personnel on this jobsite vill amm.-.

greatly increase the credibility

• of the records we maintain.

I sawrowN.,emenvaNu -

i antvaeu.nwmeo Sincerely, cueaso.awon nauAs.Tms MM PT.NNSYLVAN4A .

wasToN. Tux 4s 88 '""' a cALwo""*

ammaz.catwonNu V il Tennyson eeuPNo. w esseau awontums,tDUGuMA Quality Manager esLewr nwenvANS eNcaux. Anec>u PF/sc Im uneH.PENPSYLvANR noNuone.vmaan saLTLMrcrry uTAN Attachment TAMPA.FLoRCA TLE3oN. AR2oNA WMSGSTDN.DA m ~^ _ , .

sumNfDM ALMRTA

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1 June 29, 1976 MEMORANDUM

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TO: Virgil Tennyson FROM: Peter Ferini  ;

SUBJECT:

Standardization of Methods for completing, correcting, changing or supplementing Permanent Records and other Documents.

Recent review of documents for turnover to the Pacific Gas and Electric Company suggeses that standard methods for making corrections to documents be established. Of particular importance are corrections THE to customer furnished -documents and H.P.F. documents HLWARD P. FOt.EY COMPANY which will be turned over to the Pacific Gas and

,, g, ,gx ,, Electric Company. Considering the variances of

' AVILA sEACH. CALIF.

s3424 sos-ses-am methods used in completing, revising and supplementing documentation by The Howard P. Foley Company personnel om :

ausMOWN, PENNSYLVANM at the' Diablo Canyon Project. I suggest that we mALTSAORE, MARYLANO cmeAoo unoS establish a company standard for use on this job.

- M yt m AS Attached is a method outline for your consideration.

HOUSTON, TEXAS ,

LOS ANGELES. CALFORNM

• MARTINEL CAUFORNM .

AEArHIS. TENNESSEE #

WN WN *

• 4aSLPNu. PENNSYtvAum PHOENIX ARIZONA ,

- kg sfrTSSURON, PENNSYLVANM RICMAONO, VIRGINtA SALT LAME CITY, UTAN 1

TAMPA, FLOR:OA TUCSON, ARI2ONA ,

WASHINGTCN, D.C.

Canaalien ? ^ ___p EDMONTON ALSERTA

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= June 29, 1976 1

, STANDARD PRACTICE METHODS  !

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.l. Initiation and Completion of Documents of Record.

a. All forms and reports initiated to become a document of record shall include the initiators identification

, and the date initiated.

b. All documents of record shall be completed to requirements of the procedure governing its use.

c. All entries, attachments and supplements to documents of record shall be written in ink.

d. All corrections to documents of record shall conform to Paragraph 2 except:

.1) Where the document has not been completed nor circulated or distributed for use, the initiator may implement a new document without revision.

2) Errors made in' typing may be eradicated during typing.

2. Supplemental Information to Documents of Record. ,

s. Documents of record shall be corrected or supplemented

• by the following methods provided that approval of the originating department is obtained.

1) Corrections shall only be valid when made to the 1 original document and/or the . copy of record.

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2) Corrections shall be made by lining through the item to be corrected and printing the correction in adjacent to the lineout.' The identification of the person authorized to make the correction and the date of correction shall be entered '

adjacent to each correction made.

3) Corrections may be made by revision or supplement to the original document. Revisions and supplements shall require the same review and approvals as the original document. ,

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T s e H O W A R D P. F O L E Y OMPANY INTER OFFICE COMMUNICATION All Department Managers u, August 3, 1976 LaMovne E. Addleman In order to com=unicate and document acccmplishments with a minimum of confusion, it is required that we set a dn observe certain working

~

standards. Attached are Standard Practices and Methods for:

initiating, completing, correcting, changing or supplementing permanent records and other documents; and for controlling standard '

. form, tags and inking stamps. Other Standard Practices and Mecheds shall be issued when their need becomes apparent.

I These Standards shall be,o'bserved by all personnel. Any questiens regarding this subject should be brought to my attention.

, Sincerely, 1 t

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Pro e t Manager wa.

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