ML20215G627

Forwards Pullman Procedures to Assist NRC Review

ML20215G627
Person / Time
Site:	Diablo Canyon
Issue date:	03/08/1984
From:	Coffer C PACIFIC GAS & ELECTRIC CO.
To:	Casella F NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20215G377	List: DCL-84-085, Forwards Response to Issues Identified in Board Notification 84-014 Re Valve Min Wall Thickness Measurements Originally Performed in 1973 & 1974.From Review of allegation,22 Issues Addressed,Including Issue Raised in Ho Hudson IA-87-744, Fourth Partial Response to FOIA Request.Forwards Documents & Tapes Listed in Apps D & E,Respectively.Documents & Tapes Placed in Pdr.Portions of App D Documents Withheld (Ref FOIA Exemptions 6 & 7) ML20215G376 ML20215G460 ML20215G501 ML20215G526 ML20215G627 ML20215G647 ML20215G712 ML20215H012
References
FOIA-84-744, FOIA-87-744 NUDOCS 8706230324
Download: ML20215G627 (22)

Text

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pg C. O. COF,FER 6.. e j

Q(.'.d Frank Casella

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TO:

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(NRC Region V)

. ij, t;

e:,A Ih.I The attached copies of Pullman 2dl!

procedures are provided informally V?

for you'r information to assist you

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in your review.

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Sr. Licensing Engineer

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V,6j "FORINFGIEl0ff0NtY

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ENGINEERING DEPARTMENT ES 6236

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Ut.TRA50NIC TH1CXNE$$ NEA50REMENT

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.e OF BOL)NDRY VAI.VEC

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This procedure provides a method to ultras.onicaf f y rusasure yy the Reactor Cogiant system boundry vatves' thickness to as-

1. jt

'sure minlown well thickness requirements are met. This pro-i cedure is based on pulse sche digitet read out equipment as, y}'.

spectf fed In P.C. & E. Report 103-R-t, d.

c?

2.

MtsPcNSIBILITY j

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2.t The Mechentsal Resident Engineer ls' responsible for this pro-y;s,'

• eedure.

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3.

AfFfMENCES 21 s

O J.1 Vestinakouse letter PGE-2080 dated July 25, 1972 em a. T.h r i

3.2 A,$ T.H Ell 4-63 Ultrasonic ' Testing by t.he Reflectf on Method

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Using Pulsed _Lenaltedinal Waves Induced by Diract Contact.

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[.j 3.3 ASNT.YC-1A, Supplement C

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3.4 MFI-1-7 newsda ass,.as wsm, f.;i N

3.5 P,0. & E. Devletion Report No. T03-Al N W W d'0 43 4

DOCUMENTATION 2-4.1 A record date report (Figure 2 of this procedure) will be com-

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plated for 'each valvo essasured.

Information on the data re.

C port will provide complete velve Identificatten end traceabt f-

[.9.4

. Ity of the thickness readings obtelned.

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4. 2' Calibration of test equipment will be recorded on each valve

$.1 data report. Certification of equipment ceIIbretion from the F.

reanufacturer will be on flie at the site.

M hl 4,3 Personnel certification will be on file at the site for inspec-p9 tors who take measurerm.6 readings.

Certification will be to f.i.

l.evel ll Inspector or t.evel f i t examiner in accordance wi th L1

$NT-TC-1 A, Suppler.cnt C.

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PREFAftED DY E Y. P.rf ndale DATE OF iUUE 6/20/ 3 VId/

PAGE 1 0?_ 5

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%q ENGINEERING DEPASTMENT ES } '3' A

M 5.

otscarpfrow or Test METHoo r.1

" j, kk]9 S.l Thickness measuring witi be accomplished by Ultrasonto test-Ing using the pulse-er.ho method, The recomeendation's of dl ASTM Ellip63 " Ultrasonic Testing by the Reflection Method

" 3 3 ' 6' '* ""*d-Uetng Pulsed f.onaltudinal Waves induced by Direct Con Qj 5,2 calibration of' test equipment wi t1 be performed prior' to measur.

'J.s ing each valve.

Collbration will be maide on step blocks of me-N N/1 terial acoustically staller to the valve body and then checked M.d en the actual valve by measuring a section that een also be moes.

ured by mechanical means.

Where the valve to be measursd varies s;.

more than 2lL front the ' reference block, e transfer mechanism must 2.'

c.j be used.

following'The transfer seche.ntse c.an be accomp!!shed by.using the formula taking at least three readings et,,verlous thick'-

w;1

. ness pointst S:1 9,)

ef. VgR + VgR + vgR 3

y y,

l A

M l

' where cf is. correctfon factor '

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• V8R Is Valve Sody Reading li

.g Mt is Hachenical Reading

_i 53

'.,y Personnel who perforw coulpment cellbration and weit thickness asesuring will be cartified to Level 11 Inspector or f.evel lti,

y examiner per SNT-TCalA, Supplement C.

v, fi 6.,

EQUf PHENT ANo NATfAf ALS O

M 6.1 Ultra-sonic thickness tester, Nortec Model Hof-120 or equive ~

G tent.

'. 3',-

6.2 Ultra-sonic thickness tester, Branson Sonoray Model 3o38 or G

equivalent.

j b

6.3 h

Couplant f!uld used by this. procedure will be either a medical h

grade of petrolatum or glycerine.

calibratioq,and measuring l?N wl!! be performed with the same type of couplant, g

6.4 Cleaning equipment consisting of clean ITnt-free rags, eee-y tone solvent or equivalent and domineralized water.

6,3 ut 6.5 callbrated alerometers for thickness range from zero to four inches.

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PREPARED DY E.Y. Harrin M n DATE 0,"15:U23/W13 A M PAG 2 2 0.% 6

}g) 1,renavaD BY L ~.---'- /

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A l0,AfG OF ttGV.

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i FDR.18INFS,,r lpNONLY

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,r" SPECIFICATION SPEC.NO.

hl ENGINEERING DEPARTAIEN

' ES ' a-236 e

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=_ _

m

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...)

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tar to the velve body to be, measured,

.an W;

7 2. 2'.dallbrate the test unit to the step wedge for linearity l

IN and thich.nast, per the manufacturer's Instruct!on manus).

,#j Use the same coupf ant type that will be used ort the valve.

Vj Select step thicknessoa that spen the expected thickness g/'d range to be measured, and recoid actual and U.7, readirgs on data report. Accuracy must he within 2L eq

?,ii i

7 2.3 When possible, check the sailbretton on the valve to be ij maesured by onesuring a tocation on the valve body by Q'..

raschanical and ut,tra-sonic means,' Ac, curacy must be with.

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7.2.4.

Recor.d 'r;.allbr.ation de. tails ort the 'dat.a. reper't. form.,

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' ' 7,3 Threkssss Naaauri.n.A.

n 7.3.1 NaasurA the wall thickness of each valve body 'In the

. area speelf fed.on Figures #! and #2 of Westinghouse

{etter Pt.E-2080 (copy attachedh To provide. traceable N

. data records, use a grid spten search pattern es.shown below, (FTgure 1) '

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(a.) I"Jh1WG W VMVES 3IEL.3W/0 VMX<j H

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9 The coove figure is shown only as an aid to establish'the

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PREPAftED BY p. Harrinefel*

DATE 0.4 ssVE h/'/ 9 '/-@ Pt.GE !!

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f i b E f $ $ $ $ $ L l N. S W.N $ $$ 5 $ L h?l N b.. W i. M L $ $. A 3 W ' MU DW Y

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ENGINEERlHG DEPARTMENT ES 0-2R

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,i grid pettorn for the varfous valve body shapes.thet

!.d will be tested, For valves that have flow direct!on JQ niarkings, establish the 1-A. position on top of the Si Inlet noule. For all other valves, Vibra-tool merk fd "l-N! on the body bonnet flange above the nozzle used (ay for the t-A position,

'w f/.

For valve shapes not applicable to this figure, such

!G1 es relief valves, create a field sk,stch at the time j

of ramasuring that will'show the grid pattern used.

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Attach the sketch to the data report. form.

4 in For vahes sise three Inches ar.d smaller, usa a *we y,.

Rj Inch gcid and oss a two inch grid for valves,f arger a

i

. than size t'Eroe inches..

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:.. :-.;. : * :.. * :.... o. w 2 3 T,c Record pil readings en the data report form, 1,f a*sur,

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fees condition such as raised casting nuders or con.

• figuration prevent trensducer contact of udequa'te reed.

Ing at a particular grid focation, obtain a reading cs

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D, <

close to',the l.ocation as possible.

7,3,3 Evaluate the measurement results per the valve flit at.

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i tached to Westinghouse letter PCE.2080 and record the.

Oj alnimun well thir.kness altowed and the lowest riad!'ng dl obtained on the data report fone.

M 7,3.I if a below minimum thicknsss. area is noted:

.q (a) Determine the extent of the thin area and recor( on.j D J

1.1 a sketch with dirnensions and location Information.

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.(b)

Process the valve per MFI-l-7. Ruotreat, n,m%g,g.,

q Tv, 7 3.5 For valves that meet the reinimum well thickness re-

V quirementst 3.a

,h'n (a)

Identify the valve on the body bonnat flange if pos-

.-g sible er on a suitable body area by adding TH (thick-ness inessured) fol towed by the valvo location number.

Note identification area on data report if not on bon-9 net flange. Use letters approximately,l/4 inch high.

.ij Vibra-tool or the eletro-etch process are acceptable marking reethods.

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PREPARED BY E Y 88'tI"d*I* _ DAYE OF lc,5tJE 4/S/M MfdV' AAGE

• OF-lj

./.;z'_W //V/,. %%CP ItEV-u

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i FORINf0RKdDNONLY w

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.,,84.,

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..;i'd (b) Attach e. plain' white tag Jith the folfe' wing Infor-

..g. l mation I,h. ).

Wall thickness measured per DR #io)

Q' bf By Date p

Vetve ident1fication (Type, ' ize, s

M

. -1 locetton number, $/N _

)

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'7.3.6

'.:I.d, -

Verify that the date report informetron is complete and correct with that shown on the valve.

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p0tf INSPECTION OPERATl0fts

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~~

y 9.1. Cloen'the valve by' acetone wipe followed,by deelneralTred wetef t

einse to remove, couplent. '

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,l. >:;* e

'i 8,2 Restore storage protectlen as required, NOTE:

Velves th'et war,o formerly stored in a contetner with stel-1er items may require a separate container.

4, 8,3 Ctenplete the date report fem and forward to the Hocheni,cel Res1. *

'd dent. Engineer for review and processing,

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'I PREPARED BY. _' E,Y. Mart Indale DATE OP 1550E-W26/73 ihM;[ MAGE-6 0FL

..?Pn0VED BY ~*

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4 D/JA litr.otti. ptcuRE 2 4

YALVE ITALL Til!ClatSS 7

1. .s

'yy 1.

ValveIdentificatio$: Unit'No.

. Nfr. _

s Location No __

. Type i

Romarks:

(S/N, itN, Etc.) _

~~

)

2. Test liquipsont: Nfr.

Model 3/N Transdocer: 5/N _

{;;

Frequency _

!!5. Couplant t,

3.. Calibration: stop wedge material.

2'- -

. Acttal step th!'ckness:. A B

C D

li Ultrasonic' readings:

A 5

g C_

0

?

Calibration check (when possible on valve) Ncchanical.

(Tr g *.

Performed by:

Date:

y

4. Yalve Dody Measuromopt:

(Refor to Step 7.3.1 for Grid L.ay-out) i

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.' 2 3*.4 5.6.......'7i....

9.

10 8

nm g.,

..,.g m.r r,d r..

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ht a,.).1

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.. E Un En VEI (M II I. TEI vf LEE ' I.:

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.m v. - a s1 vs t 3gg-p....

:.: ;.3 m.

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a..,.

...u y,,,,.......1

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&:.1

.x d*

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Notes.If additional space is required, attsch pages as required.,

.;j 5, Heasurement and Post CaIIbration by:

,,,,,,,,,,,,g-...

H.

Dater

~

. Actual step thickness: A B

r C

b J.a Ultrasonic. readings:

A__

8 c_ __ _

3 T.{

Calibration check (when possible on valvo):

v.;

6.

Hochanical trr Ik11 Thickness: Hin, allowed y/i.

7.

Valvo Identified por Step 7.3.5 by:~

Hin. Obtained n,

8.

Valve Protection restored by:

Date:

9.

Romarks:

. Dato ~

4:.

u

~

y v.1 1, N Ca b,6--

H.n s g.y-es

, c,;

e y.

,y Serial 'No. of 'If erer.eters:

. d, D at.

• hl. a y

n.no..

%.%hMf,U@$255E936fEid3F' MMM3dij.Ei@Sy4?NMld))E2id.

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7

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MR1NF0M10lfDET F"' -

l ENGlHEERING DEPART & LENT g3. 0-2%

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6.6 Step wedge cellbretton b, locks of material ecousticAlly slmifer

,,l to the paterial to be measured.

['fA f 6.7 Transducers will be of suitable frequency, size, and ' adapted

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with. shoes, wedges, or seddies as each valve moesurement re.

.(,

, gulres, es determined from procedure verification tests.

i 6.8 Any other equipment or meterfels that easy be deemed necessary 4

o.

'due to the g6ometric condition of a, velve or its location.

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f.

7. HEAsuntNs emottount U

7.1 Prendret4ons

_.:J,1 7.1,1

' Notify the site Westfnghouse* Nuclear En'ergy Systems of.

49,.'

free prior to'. starting work,, Any valve disessembly that g'.{.

may be required aust be witneased by e Westinghouse repre-j+

sentetive, 4

7.1,2.' Notify as required, either thin Pismo teach warehouse efd Of!,

flee for work on velvoa stored at that location.or tho' kii N.W. l(ellogg Company for velves stored onsite end errenge c..1 for contractor support.

.u i (J

• 7.1.3 As sach velve is removed from storage protection for Nj seensurement, clean the surface as required to assures

..i;.j

. good trensducer contact.

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7. 2 ceilbretton

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Steps 7.2.1 through 7.2.4. will be accomplished as required by P S, the following:

0.; -

' ii (e)

Prior to measuring each velve

[y (b) After each thirty minutes of testing l

(c) At the completion of each valve a:j (d) At any tire that any incident occurs ther in the ty, opinion of the inspector could cause a change in

[.+

cellbration.

(e) At any time a change is made in any major compon.

.[pq-ent of the test system, such as trensducer, con-nector cable, etc.

2i!

If a change in calibration is noted when performing steps "b",

g,Q "c", "d" or "e" ebove, all measuring performed since step "a" will be repeated.

h 1

7.2.1 Select a step wedge block of meterial scoustically simi-11 s v.s

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PftEPADED 5'f C Y " 3"d

• DATE OF 155U5 W /73 M /

PAGE_3 trF

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+

D?

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.= REY. -

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s.--.

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.__ _ =.=

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' DIGINEERING I

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' Si ENGIMEERING DEPARTRENT gg s-24) m_A Aa P L A AAAi a Pd PMa t A AA (P

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ULTAASONIC EMMlMTION OF MPETY pQQ LVE Y08tE rm a CONSTRUCTION 2}

MW,J, $kfs I,

g mytg.

ENGINEERING DEPARTMENT DI This proceduce outlines.t and t' alls fos EY F

Cs]

of Yoke Aods on 3707 AAX 6 21 Safety Valves.

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The ultrosonic procedure is. designed to locate surface end subsurfecn

??4 discontinuitles lying in, a' iongitudinal direction, such as piping, stringers, crocks and seems.

This procedure provides the suens of measurfag the M

depth and length of detected discontinulties.

l 0

'S 3.

ftfFEMNCES

.a

)...:

3.I ASTM E-317 68 Evaluating performance characteristics of Pulse-Echo Ultresonic Testing Systems.

v

'1 ASTM E-Ilk-63 Ultrasonic Testing by the reflectfan method using

\\

i Pulsed 1.ongitudlast Weves induced by direct contact.

4 1

v SP-52-166 Ultrosente inspection. procedure for forging, bars, M

plates, bolting, pipe tub!ng, fittings.

In accordence with

-(i A8Mt code for pops an,d volves for iluclear Power.

M C.)

OC-663050-27-2 aresser industries W

k.

$$l,}.-

A-9

.4.1 A5ME Code Pops and Valves for Nuclear power and I,atest Addende.

4 ASME Code Section til Nuclear Vessels.

^:

.:t ASME Code Section V Nondestructive Examlnation.

M,

'5.

QUAttflCATION OF PER$0NNEL r,N 5.1 All ultrasonic. Inspection ope etions shall be performed by personnel

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i 1

queiIf Fed to SNT.TC-tA, Its a gpleinents and appendices, n.,

6.

TfME OF EXAMfM TION 1

pj 6.1 Ultrasonic testing, unless otherwise spectfled, shall be performed af ter any heat treatments required by the materials specification.

s h..,b, i

4j m-PREPARED BY ED Y. MART N LE DATE OP ISSUE I 2 'M '"

" AGE '

T '

,..j DATE OP REY.

q.

APPRGVED BY

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y, 7 h p d $, d M M 1 G s [f M d & f f M g l n 5 6; M d.i y @ @ $. M $ y, d s @ f f [ $

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ENGINEERING DEPART &ENT ES "

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7.

LGEL7!1E

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7.1 Ultrecente eneminetton with an ultramente, pulsed reflection =

t E;

type system genereting fregumesTes over the range of Ifeta to 9ets refer - ASTM E.387-68.

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7.2 Couplants sultable for vitrasonic emaninstIon shatI have good g

wetting characteristics.

s.4 7.3 iiq The aoepfent sheir be used between the treesdecer and test surface.

GN 7.4 Complants shall heve no adversa effect on the meterief belmo i.

anamined For austeeltje meterlats, couplant shet! hows a

'ow d,

chforIde content.

o

$j 7.5 couplants used wif t depend upon testing condfelons - ells, light l'p grease, glycerta and water are suitable. The addition of wetting

'i egents is recommended. In any event the couplant used for the test 1

shall be the same as that used for calibration.

. :!.j 7.6 Following ultrasonic anamination the couplant shall be t^-.7@ly

,; i removed.

w

-Q 8.

ROUIMElff CALIBRAffee r

ij 8.i j

The proper functlonfno of the amasfmeefon equfpuent shatI be checised and the equipment shaf t be calfbrated by the use of the reference

[.-

specimens as a minimum.

w3 a.

E4 At the beginning of each production run of a given sfas and thick.

!.3 ness of a given meterial.

V.

v..

b.

After each i bour daring the production run.

C, e.3 c.

At the end of the predectfon rist.

i.

d.

At any time that malfunction la swpected.

/.

If during any check

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It is determined that the testing agufpaent is not functioning properly, all of the product that has been tested afnes the last a

veltd equipment asilbration shall be re-emaerned.

y,r N

f. e 9.

IBfACE MEPAR8Il0N m.

i i-M5 9.i surfaces of meterial beleg ultrasonicly esamined shaf t be free of q) gross dirt, sc.sle, or other entraneous surface contamination that b

will prevent the detection and evaluation cf discontinuity indications g

described herein,

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M PREPARED BY ra v - --e r m e r DATE OF 115UE-IMsm

" AGE L 0F 0 I4 GATE OF REV, AppRoyEn ny -- _ -

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81 y y"~ blNEBbMABON ONW ENGlWEERfMG DEPARTMENT gg Del

, l.1 10.

MTit00 0F TEST y

g.j 10.1 The following are to be used as a guide for producing weiI defined interpretable results:

md 10.I.I d

Meterial shair be emanined by W direct contact method, s

N, Egulpment shall be of the pulse echo type using the i

nennel straight beam technique and/or angle beae 9

techniges as required.

W SM 10.1.2 Yo' essure complete coverage of the saastnied.neterls't,

%j each poes!'of the search unit shall overlap 'aiminimus '

j.d of f 5Y. of the transducer width, scanning shali,.be'et f-e rete of 6" per second, man.

G.j

.y 10.1.3 Af ter calibrett'on of the testing Inst'ruunn'ts using h W

reference specimen, the treesdecer shall be placed in N

an essentially defect free area of the meterial beint enmined. The scope shall be cheched for task of er M

l reduction in back reflection. $bould either of these Indications escar, the fastrumentation, couplant and

'; ('

materlet surface she!! be rechecked untIi setisfactory results are obtained. Once the ammsiner has obtained l.

settsfactory results he shall observe and note the difference required to obtain the same reflected sigse!

3 from the test motorial as. the reference block.

If this "j

difference is more than ti db he shall add or subtreet

.clj this difference when making the final evaluation of located indications.

e4

(.]d 10.1.4 The reference specimen shall be.of the same thickness ed nominal campesition as the meterlei being examined.

,.1

.a s,

o:n.

1. l..

PROCO WE e

s,;

P.

11.1 The first enmoinetton shelf he mode with a longitudinal beam. The' pi scan shall be perfoneed on the entire exposed length of each rod at 08 and 90".

The first scan at On shall be at the option of the g',, y, amasiner. No will then make the second scas at 900 from the first.

II.2 The surface to be enemined sheTI be sufficiently clean and smooth C

to maintain a reference back reflection from the opposite side of

({j the rod of at ' feast 100% of full scale durlog scanning.

M 11.3 A nostwi test fr. quency of 2.25 sh shall be need although this D

freguesey may be adjusted to give a clear eas!!y interpreted trace hj pattern.

aN hq 7

PREPANED gy En. v. nMrrtMMLE DATE OF IW18 ff rM '74

" AGE L 0F '

".3 DATE OF REY -

1 APPROYED BY

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[ y 1 <R E E M da dP!EN Nidl.i % 2Eds$d iff!Edd S 531di}ds:2f5/M23}fd! M f M M ?

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$PEOPICAT!DN

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FORE 4#

llATION C

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The eneminetton shalt be conducted with a.._

that to o

_1 capable of producing a sinfaum of 50 to a amminum of 75 percent N[%

of full scale reflection from the provided drilled hole in the

~

reference specteen (mnt ODI sketch #1)

N!

11.4.1 Reference fevel Is the sein regelred to obtain a 75Y, deflectlen f-}

from,the drilied hofe.

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5",

7 : 1 SktTCH.1# $

'M 17.5 Scanning shall be performed with a sein setting of et feest 6 6 d

over the reference level setting.

4O it.6 Any indicatfon emceeding SOE of fulI scare will be Investfasted to obtain the maximes reffected energy, s;

11.7 A.

Any Indicetton exceeding 1905 of full scale at the scanning gern will be evaluated for possible rejection. The gain will be re-y deced to reference fevel. Should the indicatfon eacmed 20% of 1-refersece level for a length greater than tu it will be recorded j[;4 1

on pers F 46 and F=67 as applicable; and the valve withheld for

p. g. & g. disposition.

t 3

.,,/j IT.8 Aads containing no reportable indications as desarlbed in,%C.

Q:,

If.7 will be oncepted and returned to storego.

',5 12 ANELI BEAM EXAMINATION W,

12.1 Angle boas smam!notton wtiI be performed uslag a 46'

• 2* sheer

'q eeve. The trahr shall be of frequency and sine to provida y

setiafactory emaninstIon results. The transducer wIif he provided y

with a lucite shoe greend to fit the contour of the red surface.

M-11.2 A

The entire expcsed Tength of each red shall be amasined (cfrcum-farentially) 1007, from two (2). directions clockwise and countar cloclavise.

s. 3 y'y

., F PREPARED BY _lfLL marmaml. DATE OF 1550s ansm PAos a y6 a

,.3 DATE OF REY.

W APPROYED BY *- - -

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4 rvo 7f' 12.3 Scanning shall be parformed with a peln of et I t 6db over Q.:

reference fevel.

N~.

12.4 he reference levet shall be set such thet a 75% of full scale

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7 l

reflection is received from the slot provided in the reference i

Qq specimen (Shetch #t).

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12.5 Any indreation exceeding 505 of futi seele will be investigated j.q to obtain the meminem reflected energy.

fip'f Any' indication enseeding t005 of futi scale et the scenetag gain 12.6 4

will be ovelvated for possible rejection.

The g'ern will then' r.

be reduced to reference level. Should the indicacian anceed 20%

{

of referanse levei for afangth erseter than TH lt will be receeded

.s M,i on Form F-66 and F47 as 'appIIcabie and the valwe wIthhe!d for p.'G 8,E. disposition. (see Appendix A & 8 for amenple of forms)

A T'di 12.7 meds containing no reportable indications witI be accepted and J

returned to storage.

9!

13.

REFEREIEE (PECIMEN

.," C

.j 13.1 maference specimen shall be of same neednet diametse, thickness d'J and compositics and heet treated condition as the p mdoet being j

eemeined.

1 The seperation between standard defects placed in the

. J.4 same reference specimen shall met be less than twice the length N

of the sansing unit of the inspection equipment.

It 13.2 Standard reflectors shaf t be amiel grooves'en the outside of

?J the red surfesa.

'dj Uj a.

1,sagth greater than one (1) inch.

j l,

b.

Depth not greater than the isrger of 0.004 inch or 5% of the

,N, 'i sell thi'skness.

,J I4 3LPl!31.

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14.1 "W

Asseval of defects, subsequent repeles and rewmeminations shati d

be made only with specific engineering approval, G)

M.;

15.

M dj w

15.1 The testing seeney shell report in delicate the eteenttei elements Qd of the test as' condected and forward same to p. 8. & E.

cj

[ Q l

PREPARED BY se v _ m i a="

• DATE OF 155UE im m macs s OF 6 R

DATE OF REY.

'M APPROYED BY

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ENGINEERING

$PECFICAT1DN SPgRD.

.O ENGINEERING DEPARTMENT gg 2kI

.i 15.2 1.ocation of defects. 6efects which are detershined within acceptable Iluits need not be reported.

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7 15.3 A description of egulpment and t durdn 11 pelude all information Inci

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but not

-Y limited to the 1

b

' g y, 3 ", 9 i

h;

, Aker?

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Test freguecy.',

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d.

Method of test.

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e.

Couplant.

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f.

Surfecs finish.

g.

The surface or surfaces from dich the test shall be performed, 7,

w.ij h.

Stage of manufacture when tested.

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l. -riatr-a =il6r ti-6 =x ai

. at riai. wie air-J bration reflectors) and calibration method.

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'll J. Equipment initial calibration date and subsequent rechecks.

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"1

16. gggg,5, y

j '.l 16,1 A complete file of records for all meterials and items mamined to

.$)

this procedem shall be maintained in accordance with M. W. Emilogg quality Assurance Program KFP-16.

17. 8Ack UP TEST 3

N N"

17.1 t.lquid penetrent or Magnetic Particle will. be used on rods wh'ich are suspected of containing discontinultles which may extend Into S

throeded aress or to support areas where Ultrasonic Tests indicate j

'discontinultles with lengths in excess of I" fong.

g

18. M Vy Gi 18.1 Appendix A Examinetton Report F-66.

b

, tf'1 18.2 Appendix B Aough Orswing Report F-67.

.h 18.3 Appendix C status Report Form F 68

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PREPARED BY ED Y. MARTINDAt.E DATE OF 151UE-I2mm

' AGE-JL 0F 0 2

DATE OF REY.

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,9j U.TRA50NIC YONE 400 EXAMINATION Sheet of _ _

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&HTT VALVE 3707 AAx 6-21

,it Appendix '83H

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.Ut.TRASONIC STATUS AEPORT p';ct.]

Y0kt 2005_ EXAMIMD 70 M.W.

K. PROCEDURE

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y,3 tNilf Y0llE SER IAL' '

Mf5CJ TAG LFT E50.7 TEST i pgnF04sg3 g,+'7

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q r e...

1. an.1 gwgggggning SPECFICATION EC. M.

l

-i ENGINEER 1NG DEPARTMENT E D-244 FN

,h.,

1 i,

ULTRAsculC TWicatMEss GAuer pRoctouRES

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!.0 M:

b3 1.1 Yo provide a procedure for measuring asterial thickness

,g using tha Nortec INIT-120 Ultrasonic Thickness touge.

h]w 2.0 gg,gg,:

2.1 The procedure provides e means of measuring asterfel thfek-g ness where verification Is reautred: to assure adequate tol-M erences; proper lastallation of pipes and valves; determin-

@M etion of unknown thishnesses for redlography; or any tfas a

.i.

thistmess is in doe t.

The nortec NBf-120 is limited to a y

range of 10" (p Steel and Alusinus.

3.0 QtiMJFICAff911

[

3.1 1his procedure is provided such that no special quelffication is required. However, in order to prevent misuse, the user 3]1 shali be e member of the QueIity Assurance Deperament and/or,

f

'Q be checked out by the N.D.E. Supervisor, prior to askf ng a test.

>M j

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4.0 E M IM ENT:

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4.I Uitrosonic Thickness tauge," Nortec 12T-120.

O 7,k 4.2 Ouei treneducer supplied wlth the un!t.

Zd 5.0 COU9t, ANT l

Yi) fj 51 The complant shall be commercially-eveliable glycerine.

Al g

6.0 agmaner stoexs:

..J (9j 6.1 The refere6ce block provided in the cover of the Nortec NOT-gj 120 will normally suffice.

[j 6.2 other reference blocks shall be provided when the meterfel to V

be tested verles in acoustic properties or thickness of more

M than 2 27, of the one provided. 'these reference blocks may be produced from ectual production meterfel. The thickness of N

the reference blocks shall be such that at least.two (2) thick-nesses are provided, one (1) greater thr-the thickness being M) tested and one (1) below the thickness being tested.

(

)

F t /24nk #eW marts 1 ner.,,lL,,

PREPARED BY F _v _ MRT f MAlf DATE OPissus DATE Cl' REY.

N' APPROVED BY ' ~~

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$PECIPICATION xA

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g ENGINEEJ5NG D5PAATMENT

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ES 8*1"4 M

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70 augnariant DS 71 1133.1.: Disconnect 117 AC charsfas oned; set the range switch y@;j to position.5, then push oc test swlteh. The dial Indicator needle should position ftself la the green charge area..

w@

should the.Indlcetor needte fall f ato the yellow ersa, M.

as turn the range switch to off and replace the 117 V. AC

)

eerd for aore che.rge.

+c(t b.

g If the unit was on charge for more than 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> prior to the check, report the condition to the p.D.E. Super-

.g visor.

__y

5ij, M

So m attempt to tehe thickness readings when the g

• u unit

  s not properly darged or with fl7 V. AC oord

attached, f.ji 7.1 11.o s:

y With a properly sharyd unit, pleos the transducer into y

posItTon by connectfng it to the rece(ve and transelt ivos.

The transducer connectors are interchangeable.

O 73 steo u appiy..m.ii unt of coupiant to the to of the step i

wedge provided in the Ild; then piece the transduce,r on the.2004 The dial lad!cator needle should point to the.20 position step.

@y on the betteur scale.

Should the needle not point to.20, use the aero loch to adjust for very occurate.20 posit-lon.

g: Do 33, use escassIve pressure on the transducer.

M vn 7.4 Iteo kt M

Flece the transducer on the.50 step. The dial Indice-ter needle should now point to the.50 posttten on the bottom 1

p

$hould the needle not point to.50, use a very smell screw.

{

acale.

p'Jj delver and re-set the estibrate screw untti en accure$e.$0 post-tion is obtained.

45 M

7.5 sten 5:

and Cuntti the indicater falls on the.20 and.50 position O

J 'l no further adjustment.

M pj Lg g: The occuracy of your test will depend upon the accuracy of the calibration.

m]. $

7.6 stee 6:

w Now that calibration hos been echieved, take a piece of N

1. i; meterial similer to the one to be tested. place e small amount yH of couplant on the surface, apply the transducer and record the reading observed. Maka e micrometer reading at the point where Q '-

the U.T. reading was taken, if the micrometer reading and U.T H

gq(%h PREPARSD SY-LY aanmnm DATE OP 151UE I /21+/71. Ea/

DATEOFREY.-

sAgf,;Q ~

4 e

E APPROVED BY

P f.f $ fj M N SD d dd 2 $ 5 M 3 N d b h EM'N NNb!N5:

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ENGINEERING

$PECIPICATf0N

,30,

'M S$GINEERfMG DEPAATRENT

' E "' "

W

[Q fi reading ere within f 25; then proceed with the test.

7.7 steo 7 should the difference between the U.T. and micro.

M meter verify more than 21, a reference block from a more 4

slalter meterist will be required per para. 6.2.

E@&

8.0 TEST PROCEDURE:

W pj,3 9I steo it Apply a anell amount of couplent to the eres(s) to g.g be tested; position the transdvoer.to the arsa(s) using a We1 pressure similar to that used to calibrate, liste the read-4.e Ing(s) on the rough sketch Appendix t.

z 5

5.2 stee 2: Meine a sketch of the area or part to be tested on form. Appendix 0, This sketch should be such that readings d

can be noted for subsequent checks. Traceability is a must 4 -

for any test, W

3.3 Stes it After comple'tTon of the test, clean all couplant from the area (s) tested and any other ereas where the coup-lljj lent may have spilled, using scetone, followed by de-lonized water.

T.

IIOTE: Olycerine will attract corrosion seusing moisture if 7

not completly removed.

~-

c.

1.z 9.4 Atee 4: Turn the range to the off position; wipe souplant yy from all equipment and return to proper storepe location.

r;;

p(

9.0 RE-cal.18AATf oll; pm VJ 9.1 Re-calibretton shall be accompf fshed per para. 7.0, step 6, y

after each 10 readings, or 1/2 hour of testing, or at any i;7 time the inspector suspects a malfunction, and at the end of d

each testing operation.

sg m

93 9.2 'should a re-cellbration check reveal a difference of more

@gd then 27, from the original callbration, the sempleto cellbrat-len procedure shall be repeated, and all tests made subse.

guent to the lost good calibration shalt be re-tested.

t, a

2y 10.0 M;

.. )

iN 10.1 Unless specirted in a 0 R. or other similar document, records bf)

~ of tests performed to this procedure will not be maintained. Docu.

41 mentation of this test shall consist of signing the 0.R. or the pro-f.kJ cess sheet.

j e.

A 2

PREPARED SY LY. MARm8 ALE

-- DATE OP 1$50, I/24/4 h oAd!J mr -4 9

'y DATE OF REY. -

f,.

APPROYEDSY S

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DilCr.NF.SS AEPORT

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]

Appendix

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LOCATION Q ).1 N00EL.

f

[ig]

M SERIAL NUMBER I

~

D.R, M R f;.

REFERENCE BLOCK, IF OTHER THAN ONE $UPPt. LED MATERIAL

~

v,.;

SERIAL WW9ER THlCIGIES$-STEP #I _

tTEP #2 STEP M ld COMMENTS:

q.

v :,

ha 0.0) 7 y

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Lt.T. Call 8AAT10N READIMC tilCA0 METER REA0(NG

)W.y..

y.

s MICROMETER SERIAL #

.i..

S

M INSPECTOR

.

p p:w ~/sginLp e 0.G M s $7? M $ $ 9 @ ININ$$ d b W_. -

~ Ny vv79W,Wyff.O 4

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so The H.W, l'cIIosc cenpany

[,9 SD2%

THichtmSC gtP3HT m

Appe: idly; 2 nevi.:r.d 3 1% 77 Revised 7-8 77, Q

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hQ

?q;

'$djects

~

quellfled persons to perfons U.Y. thickness measurements on suspected

}!u:

I thin well sistorial to the requirements of E.50 2%.

i

.:p u

q

'the follwofng Nortec Ntrr-120 per requirements of ESO 1%. personnel have been trained and qu t@.;hs puthorfred to perform and validate thickness measurements.Only those persons liste e,

E'l p%

QlN..

g,

jj; a,

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JL#

ida g

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