ML17195A124

Summary of 840215 Meeting W/Util,Nutech,Universal Testing Lab,Inc,Tva,Pasny,Bechtel & Bnwl in Bethesda,Md to Discuss Issues Re NDT of Reactor Coolant Boundary Welds.Viewgraphs Encl

ML17195A124
Person / Time
Site:	Dresden
Issue date:	02/23/1984
From:	Gilbert R Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
LSO5-84-02-050, LSO5-84-2-50, NUDOCS 8402280345
Download: ML17195A124 (62)

Text

Docket No. 50- 249 LSOS-84-02-050 UNl1'-~D~ATES

~

NUCLEAR REGULATl;)RY COMMISSION WASHINGTON, 'o. C. 20555

• February*_23, 1984 LICENSEE:

COMMONWEALTH EDISON COMPANY (CECO)

FACILITY:

Dre~den Nuclear Power St~tion, Unit No. 3

SUMMARY

OF MEETING HELD ON FEBRUARY 15, 1984 The NRC staff held a meetin~ with representatives of CECo, Nutech, Universal Testing Laboratories, Inc. (UTL) and Battelle (PNL) to discuss issues re-lating to the non-destructive testing of the reactor coolant boundary welds during the Dresden 3 Cycle 9 refueling outage as required by an NRC order dated August 26, 1983. A list of.attendees is provided in Enclosure 1 and copies of the viewgraphs *used by CECo and its contractors and other discussion documents are presented in Enclosures 2 through 9.

Licensee representatives presented, in considerable detail, information describing UTL's UT procedure and the proposed and completed disposition of the welds during the ISI UT inspection including the criteria and procedures for calculating overlay thickness and length.

The number of welds treated during the induction heating stress improvement program was also shown.

A tabulation of data on 31 welds, all examined by the licensee's contractor, Lambert, McGill and Thomas (LMT),and 27 by UTL and shown in Enclosure 9, then was discussed weld by wed.

The licensee, based on the data in thjs enclosure, requested that 18 of the 31 welds not be overlaid before restart.

The staff, after pointing out to CECo that staff UT contractors were at this time examining certain of these 18 welds and that the staff wanted this latter data to be factored into the decision-making process, caucused and informed CECo that:

1.

so much information had been presented in the meeting that the staff needed additional time for analyses before a decision was made and

2.

• the staff wanted the staff UT contractors to examine two additional welds chosen from the 18 such that a more meaningful comparison can be made between the LMT and UTL determinations.

• These choices would be conveyed to CE Co on February 16, 1984 by phone.

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February 23, 1984 Finally, it was agreed that an overlay - no overlay decision would be made on the 18 welds as early as possible during the week starting February 20, 1984 after data obtained by the staff's UT contractors had been evaluated.

Enclosures:

1. List of Attendees

2.

2-9 Viewgraph copies and discussion documents cc w/enclosures:

See next page PJ_SIIU6.!JJ I ON 1(jpJJc"k eJ~

NRC PDR.

Local PDR ORB #5 Read i rig.*

DCrutchfield RGilbert OELD JTayl or EJordan ACRS (IO)

NSIC CC list NRC Participants 01(';r.N1 #5 RG~lbert:jc *

• 1.. /Jj/84 Original signed by Robert A. Gilbert, Project Manager*

Operating Reactors Branch #5 Division of Licensing

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. **--*-*----'** **--*****. **-........... ~--*--*-...e Mr. Dennis L. Farrar cc Isham, Lincoln & Beale Counselors at Law One First National Plaza, 42nd Floor Chicago, Illinois 60603 Mr. Doug.Scott Plant Superintendent Dresden Nuclear Power Station Rural Route #1 Morris, Illinois 60450 U. S. Nuclear Regulatory Commission Resident Inspectors Office Dresden Statio.n Rural Route #1 Morris, Illinois 60450 Chairman Board of Supervisors of Grundy County Grundy County Courthouse Morris, Illinois 60450 U. S. Environmental Protection Agency*

Federal Activities Branch Region V Office ATTN:

Regional Radiation Representative 230 South Dearborn Street Chicago, Illinois* 60604 James G. Keppler, Regional Adminfstr~tor Nuclear Regulatory Commission, Region III 799 Roosevelt Street Glen Ellyn, Illinois 60137 Mr. Gary N. \\fright, Manager Nuclear Facility Safety Illinois Department of Nuclear Safety 1035 Outer Park Drive, 5th Floor Springfield, Illinois 62704

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Dresden Unit No. 3 Meeting of February* 15, 1984 Name J. McDonald M. Strait E. Eenigenburg

8. Rybak E. Potter R. Taminga H. Gustin R. Buchholz J. Charnley R. Armstrong C. White T. Schreeder, D. Sancic B. Ameli L. Connor R. Gilbert C. Cheng B. Liaw W. Hazelton W. Coll ins J. Muscara W. Koo M. Hum K. Ward D. Ramani S. Doctor Jr.

ATIENDANCE L rsT*

. Affiliation Commonwealth Edison Commonwealth Edison Commonwealth Edison Commonwealth Edison Commonwealth Edison Commonwealth Edison Nutech.

Enclosure *1 Nutech Nutech j

Universal Testing Laboratories, Inc.

Tennessee Valley Authority Tenness.ee Valley Authority New Yerly Power Authority J Bechte'V

• The NRC Calendar NRC NRC NRC NRC NRC

• NRC NRC NRC NRC - Region III NRC - ACRS

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e. Enclosure 2 COtiMONWEALTH ED I sml cm~PM~Y DP.ESI'E~~ m!IT 3 REVIE\\~ OF IGS(C H!S~~CTim*! P.ESl'LTS FFBPUARY 15, 1984

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_MEETING AGENr,A INTRODUCTION BACKGROUND PURPOSE IGSCC INSPECTION PROGRAM

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SUMMARY

OVERALL INSPECTION

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TYPE 304 STAINLESS STEEL PIPING 4" AND GREATER DIAMETER DRESDEN UNIT 3 SYSTEMS EXAMINEDI WELDS

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REACTOR WATER CL~AN UP ( 8", IO")

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THE ALLOWABLE, DEPTH DEPENDS. ON THE FLAW LENGTH ANO APPLIED STRESS.

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CRACK GROWTH ANALYSIS.

CRACK GROWTH LAW DA

= 1.697 x 10-8 K 2*53 DT PRESENTED IN DECEMBER 7TH ACRS MEETING

. CRACK GROWTH BASED ON STRESSES FROM DEAD WEIG~T, THERMAL, AND INTERNAL PRESSURE CIRCUMFERENTIAL CRACKS ASSUMED 360° AT MAXIMUM UT DEPTH AXIAL CRACKS ASSUMED TO REQUIRE OVERLAY LEAK BARRIER

~- *.c..c.;... :_ ___

• • -~*~****-**-.***:

• • • • '**-*--***-~--.... ----,-----.-

RESIDUAL STRESS CASES o

. AS WELDED o

POST !HSI CFROM EPRl NP-2662-LD)

ALLOWABLE DEPTH BASED ON 2/3 OF IWB-3640 SOURCE EQUATION.

o IWB-3640 EVALUATION BASED ON STRESSES FROM DEAD WEIGHT, SEISMIC, AND INTERNAL PRESSURE.

• -*****---~-~---.:....~---~-~~*-.. ~--;_

.. -* -~~~

........ *~---;.*-***-**---:...:.._, ____,.,......... -*-*

... --:..--* ~* -....:_.*

---*~****--** -*-

~.:. __________ _:_ ____ _

CRACK GROWTH

• STRESS REPORT CURVES DATA CRACK GROWTH ANALYSIS BUTT WELD RESIDUAL CRACK SIZE STRESS INPUT EVALUATION ASME SECTION XI IWB-3640 RE-EVALUATION FOR SHRINKAGE OF ADJACENT OVERLAYS NO ACCEPTABLE YES i

i DESIGN OVER.LAY LEAVE AS IS NPRE83.62-38

. FLAWED PIPE.ANALYSIS

..... - -** ~.. ---**-**-':.*.. -;............. *..,_:. *-*~**-**..;'" ---* *....:......... _

---

=----* -**..

10*3~~~~~~~~~~~~~~~~~~~~~~~~~~--.

10-6 10:8 0

INCH/YEAR

. I I

I I

I I

---~ 0.04 INCH I YEAR 10 20 NOTE: FROM DECEMBER 7, 1983 ACAS MEET.ING 30 40 50 60 70 STRESS INTENSITY, K (ksi ~)

NPRE83.62*22 QUAD CITIES 2 I DRESDEN 3 CRACK GRO\\VTH RATE EVALUATION LAW

OUTER SURFACE

---WELD WELD

--+IHSI

-60

-40

. -20

§

~

<(

IL

§ 1.0 CJ) a:

w z z 3

0 20 w

• ~

<(

!!?

0 INNER SURFACE 40

-60

-40

-20 0

20 40 RESIDUAL AXIAL STR~S~ fksl)

RESIDUAL. CIRCUMFERENTIAL STRESS (kd)

Figure 5.12 THROUGH-WALL RESIDUAL STRESS PROFILE FOR A WELDED AND IHSI TREATED.

26-INCH, SCHEDULE 80 PIPEl11 (I) TAKEN fROM EPRI REPORT NP-2662-LD NPRE83.62-02 I

OUTER SURFACE

---WELD WELD

+ IHSI

-40

-20 w_

~.s 11..-

E w Ou a::.

u. a:

w :::>

u en z a:

<w Iii z

-Z a-2 0

20 40 w_

IL c a:=

Ew OU a: :.

u. a:

w :::>

ucn z a:

<( w

. I;; z

-Z a-

~

~*

/

(

-40

-20 0

0.8 0.6

~

0.4 /

I

/

INNER.SURFACE

• 20

. 40 RESIDUAL AXIAL STRESS (kill

'1ESIDUAL CIRCUMFERENTIAL STRESS (kd)

. Figure 5.11 THROUGH-WALL RESIDUAL STRESSES COMPl)TED FOR WELDED AND IHSI TREATED.

16-INCf;t. SCHEDULE 80 PIPE 111 II) TAKEN, FROM EPRI REPORT NP-2662:LD NPREBJ.62-03 I

I Al

-*1 l

I i !

i i I

I I I

1. I i

OUTER SURFACE

---WELD

~

<(

11.

WELD a:

--+ IHSI

~

a:

w z ~

/~ 0.3

(

a:;

0.2 I

~

\\

<(

0.1

~

-40

-20 1.6" '\\

)

I 1.0/

g 0

20 40 0.6 1.6 c

• =

w 0.6 u

<(

11.

a:

J CIJ ffi 0.4 1.0

/

~

~

..--7:---

g

~-

0.3

(

i

\\

ff:w. 0.2 0.6

u.

I

~

I o 0.1 INNER SURFACE

-40

-20 0

20 40 RESIDUAL AXIAL STRESS lkll)

RESIDUAL f:IRCUMFERENTIAL STRESS lkal)

THROUGH-WALL RESIDUAL STRESSES COMPUTED FOR WELDED AND IHSI TREATED, 10-INCH, SCHEDULE 80 PIPE 111 111 TAKEN. FROM EPRI REPORT NP-2662-LO NPREBJ.62-01

~... '.

I i

.e1*

I

. ; ~::_:.: **--

. WELD OVERLAY.REPAIR o

• ALL CIRCUMFERENTIAL I ND I CATIONS ASSUMED TO BE 2X MAXIMUM.UT DEPTH <OR 100%J WHICHEVER IS LESS) FOR ENTIRE LENGTH o

OVERLAY THICKNESS SELECTED TO MEET IWB...:3640 ALLOWABLE o

OVERLAY DEMONSTRATED TO ARREST CRACK GROWTH FOR PART-WALL FLAWS <WELD RESIDUAL STRESS) o OVERLAY DEMONSTRATED TO MEET IWB-3640 AND SECTION III CC LASS I\\ FOR THROUGH WALL FLAWS o

CRACK GROWTH LAW DA = 1.697 x io-8 K 2;53 DT o

AXIAL FLAWS REPAIRED BASED ON PROVIDING LEAKAGE BARRIER

. *-*... ***-~-*-- ___._.. *~,~**. --~

ALLOWABLE END-OF-EVALUATION PERIOD FLAW DEPTH-TO-THICKNESS RATIO FOR CIRCUMFERENTIAL FLAWS,

. NORMAL OPERATING (INCLUDING UPSET AND TEST C_Qf'\\ID_!J_!_ONS)!2!_

(3)

RATIO OF FLAW LENGTH (ff) TO CIRCUMFERENCE(2l pm+ Pb Sm 0.0 0.1 0.2 0.3 1.5 (4)

(4)

(4)

(4) 1.4 0.75 0.40 0.21 0.15 1.3 0.75 0.75 0.39 0.27 1.2 0.75 0.75 0.56 0.40 1.1 0.75 0.75 0.73 0.51 1.0 0.75 0.75 0.75 0.63 0.9 0.75 0.75 0.75 0.73 0.8 0.75 0.75 0.75 0.75 0.7 0.75 0.75 0.75 0.75 c 0.6 0.75 0.75 0.75 0.75 (1)

FLAW DEPTH

• an* FOR A SURFACE FLAW

• 2an FOR A SUBSURFACE FLAW t

• NOMINAL THICKNESS LINEAR INTERPOLATION IS PERMISSIBLE 0.4 (4)

(4).

0.22 0.32 0.42 0.51 0.59 0.68

. 0.75 0.75

. (2)

CIRCUMFERENCE BASED ON NOMINAL Pl.PE DIAMETER (3)

Fm

• PRIMARY MEMBRANE STRESS Pb.. PRIMARY BENDING STRESS Sm

• ASME CODE ALLOWABLE DESIGN INTENSITY 0.5 OR MORE (4)

. (4).

0. 19 0.27 0..34 0.41 0.47 0.53 0.58 0.63 (4)

IWB-3514.3 ALLOWABLE FLAW STANDARDS SHALL BE USED NPRE83.62*19

L/2 MIN Lfl MIN T MIN

~.

PIPE THICKNESS

[_PIPE DIA

i.

OVERLAY DESIGN

a

• ~ <

~*- ---~-"-'**~ C- *. ~*

~~--***-**--*-*--:. __ :.2~----'--:.: ~.:..___*

SUMMARY

o UNFLAWED WELDS IN MOST SUSCEPTIBLE SYSTEMS WERE

!HSI TREATED.

o WELDS WITH AXIAL FLAWS OR DEEP CIRCUMFERENTIAL FLAWS WERE REPAIRED BY WELD OVERLAY.

o WELDS WITH ONLY CIRCUMFERENTIAL *FLAWS WERE EVALUATED WITH FLAWED PIPE ANALYSIS USING.

CONSERVATIVE CRACK GROWTH LAW.

o SOME SHALLOW CIRCUMFERENTIAL FLAWS WERE SHOWN TO.

• BE ACCEPTABLE AS-IS FOLLOWING IHSI.

o WELD OVERLAY ARRESTS FURTHER CRACK GROWTH.

_ o

!HSI INHIBITS CRACK INITIATION AND CRACK GROWTH. <FUR SHALLOW FLAWS) I

.. -~*.' *'.*,.. *-

. *--~-.... ~.:***-*-*-

.. -*-*~~**-----*-**-***_.*-*-*** *---*-. '**

• -*~---'"'--=--*~* *~..-.:

• • "'-=

..... :.~':..:.L..--.:::~**-. *-*

--*-*.:-~-**

- _:o.____:._ _______.*. -.:.... *-*. *-* *---=--**- --... *....... - - -- __..,. ______ _

(

t.

MEETING SUM~ARY

o. ALL ACCESSIBLE WELDS INCLUDED IN NRC ORDER WERE INSPECTED o ALL INSPECTIONS PERFORMED BY PERSO~~~IEL 01JALIFIE!'

TO 1E BULLETIN 83-02 o IHS I PROGRAM WAS IMPLEMEtlTED - PERFORMED ON 87 WELDS o ALL WELDS WITH FLAW INDICATIONS* WERE REPAIRED OVERLAY.

I HS I o CONSERVATIVE METHODS WERE UTILIZEf' FOR OVERLAY DESIGNS o IHSI WILL MITIGATE FURTHER IGSCC CRACKING

WELD OVERLAY OF AXIAL IGSCC 2/10/84

-'----'-------'--~-------- --

r".

CURRENT INDUSTRY METHODOLOGY I

IWB -

3640 TRUNCATION AT 75% OF WALL -

BASED ON PREVENTING GROWTH IN THROUGH WALL DIRECTION I

OVERLAY THICKNESS FOR A SINGLE THROUGH WALL AXIAL CRACK IS 1/3 OF PIPE THICKNESS EQUIVALENT TO OVERLAY FOR THROUGH WALL CIRCUMFERENTIAL CRACK 100° LONG I

LARGE OVERLAYS CAUSE ADDITIONAL WELD SHRINKAGE STRESS MORE OCCUPATIONAL EXPOSURE LONGER OUTAGES

...... :*'--':_,:___*' ---'-~~** *-... :_**-* -*

=-:--~~----**-* -~'..--***--*~-- -~-* *_. ----... *-"';'"*--***~--.. -. ___ :.....__,.._* ~---

. ___.:.,..... *.~.....:.... __ ___:_ __

--~--..

t DRESDEN 3 METHODOLOGY ANALYTI'CAL DEVELOP FAILURE STRESS VERSUS CRACK SIZE PLASTIC COLLAPSE TEARING INSTABILITY COMPARE ANALYTICAL RESULTS TO BURST TESTS MAINTAIN SAFETY FACTORS OF IWB-3640 3 FOR NORMAL CONDITIONS (LIMITING) 1.5 FOR EMERGENCY AND FAULT

• t. ASSUMPTIONS AXIAL CRACK ORIENTATION CRACKS ARE IN WELD HAZ OF SOLUTION ANNEALED STAINLESS STEEL CRACKS ARE CAUSED BY IGSCC CRACKS ARE THROUGH WALL

1.*'

0 b -

b 0.8 0.6 0.4 0.2

.:.------~-*------*: __... : *-*- *-*****--* --- -

0 0 FAILURES

---

EMPIRICAL RELATICN$HIP

• ASME CODE STRESS Lif.'.IT

---

ALLOWABLE FLAW LENGTH 0

aHOOP.. 5m

.1.C

~.o 3.0 1//i";mT.

Figure 1 4.0 FAILURE OF DUCTILE PIPE WITH THROUGH WALL AXIAL CRACKS 0 -*

0 5.0 6.0 CCOM84.01-01

w Cl) c.. <

..J

...J 0 u

(..)

i=

Cl) <-

..J S::.

>-I-w u.. <

Cl) u..

0 cc:

0 I-(..)

u..

. - ' ~ -------.....:.. ~.* *-

5.0 4.0 3.0 0 I 0

=.=.-...-.-*~-*-:=---*=;:,.:._...._, ~'-'-'---~-........i......-::..-a-I I

I SAFETY FACTOR l SAFETY FACTOR ON ON TEARING TEARING INSTABILITY INSTABILITY > 3.0 I_ POTENTIALLY < 3,0 I

I I

I I

I I

I I

I

.. /STRESS RATIO **0.7 0.5 1.0 1.5 2.0 2.5 t/ /RmT

• CCOM84.01-02.

Fig:.!rE 2 FACTOR OF SAFETY FOR THROUGH WALL AXIAL CR:~CKS

. -****---~------***---~----......... *.---*--* --=---*-

DRESDEN 3 CRITERIA t

NEED FOR REPAIR SHALL BE BASED ON SECY-267 AND IWB-3640 t

REPAIR DESIGN BASED ON NORMAL, UPSET AND TEST STRESS 1-i:

RATIO

~ K r

0. 0

0. 25

0. 5 0 1. 0 2. 0

. 4

. 5

. 6

. 7 IWB-3640

• 8

~ 9 95 1 0 LEAK BARRIER ONLY REQUIRED ALL DEFINITIONS SAME AS IWS-3640 t

LEAK BARRIER WAS DEFINED AS 0.2" FOR B WELDS 0.125" FOR 6 WELDS I

EMERGENCY AND FAULT CRITERIA ARE NOT LIMITING f

/

~-~

WELD 1C5

• .SWP-P

• lC-12-2 EL-P 1C-12-K3 P-EL 1:05 SWP-P 1D-12-2 EL-P

. 1D-12-3 P-EL 1E5 SWP-P 1E-12-2 EL-P 1E-12-3 P-EL 1 FS RED-P 1F-12-2 EL-P 1G5 SWP-P PIPE DIAMETER 12" 12" 12"

• 12" 12" 12" 12" 12" 12" 12" 12" 12"

.:-... ; **--*-*--**----*-* *---~***... :.. :._.:..i.. ----*******

---

'~*

~*

.. ~

... :,_. __ ~--~~---* _..:_....:

• 9 *

• Enclosure 8 DRESDEN UNIT 3 FLAW DISPOSITION SOM?-'i.ARY IHSI YES YES YES NO NO NO.

YES YES YES YES NO YES FLAW CHARACTERIZATION 60% X 0.39" CIRC.

~ PIPE SIDE

~ 10% x. O. 79" CIRC *. -.PIPE SIDE 36% X O. 25" AXIAL - ELBOW SIDE 15% X 318" AXIAL - PIPE SIDE 20% X 0.75" CIRC. - PIPE SIDE 100% X 5.75" CIRC. - PIPE SIDE 25% X O. 25" AXIAL - ELBOW SIDE 17% X 0.5" AXIAL -*oN THE WELD 3$% X 7 /8" CIRC. - ELBOW SIDE 35% X 1" AXIAL - PIPE SIDE 11% X 16" CIRC. - PIPE SIDE 15% X 0.75" AXIAL - PIPE SIDE 26% X 1" AXIAL - PIP.E SIDE 30% X 1. 75" CIRC *.:.. PIPE SIDE 23% X 5" CIRC. - PIPE SIDE 28% X 3/16" AXIAL - PIPE SIDE 34% X O. 811 AXIAL - PIPE SIDE 77% X 360, INT. CIRC. - ELBOW SIDE 91% X 360, INT. CIRC. -

ELBOW SIDE 95% X 360, INT. CIRC. - PIPE SIDE 60% X 0.5" AXIAL - PIPE SIDE 21% X O. 7" AXIAL - PIPE SIDE 25% X 1. 5" CIRC. - PIPE SIDE 49% X 1" AXIAL - PIPE SIDE 45% X 1" AXIAL - PIPE SIDE 10% X 1.4" CIRC. - PIPE SIDE FLAW DISPOSITION OVERLAY 0.25" x 2.25" (+)

OVERLAY 0.2 11 x 4.5" OVERLAY

o. 2" x 4. 5" OVERLAY 0.2" x 2.25 (+)

OVERLAY 0.2" x 4.5" OVERLAY 0.211 x 4. 5"

. OVERLAY 0.2" x 2;25 11 (+)

OVERLAY 0.211 x 4.5" OVERLAY

o. 2" x 4. 5" OVERLAY 0.125" x 2.25" (+)

OVERLAY.

0.2" x 5.25" ACCEPTABLE WITH IHSI ONLY

(+)

NOMINAL HALF LENGTH SHO~~.

OVERLAY ~~y NOT BE SYMMETRIC BECAUSE OF GEOMETRIC CONSTRAINTS.

RHB*-PAP-4

\\.

PIPE WELD DIAMETER 1G-12-2 12" EL-P 1G-12-3 12" P-EL 1G-12-5 12" P-P 1G-12-6 12" P-P 1H-12-K2 12" EL-P 1H-12-K3 12" P-EL 1J-6 12" SWP-P 1J,..12-K2

• 12" EL-P

.1J-K3 12" P-EL 1J-12-4 12" P-P 1J-12-5 12" P-P 1K-12-K2 12" EL-P 1K-12-K3 12" P-EL 1K-12-4 12" P-P RHB-PAP-4 IHSI NO NO YES.

YES YES NO YES YES YES YES

.YES NO NO YES Fl.AW CHARACTERIZATION 32% X 518" AXIAL - PIPE SIDE 27% X 0. 5" AXIAL - PIPE SIDE 31% X 5/8" AXIAL - PIPE SIDE 18% X O. 7" AXIAL -:- PIPE SIDE 88% X 7/16" AXIAL - UPSTREAM 38% X O. 25" AX~AL - DOWNSTREAM 100% X 1. 5" CIRC. - PIPE SIDE 39% X 16" CIRC. - ELBOW SIDE 100% x*o.25 11 AXIAL - PIPE SIDE 26% X 1" AXIAL - ELBOW SIDE 44% X 0.7" AXIAL - PIPE SIDE 49% X 360, INT. CIRC. - PIPE SIDE 94% X 2.5" CIRC. - PIPE SIDE 4 3% X 10" INT. CIRC. - ELBOW SIDE 14% X 0 *. 47" AXIAL - ELBOW SIDE 25% X 0.35" AXIAL - ELBOW*SIDE 23% X O. 3" AXIAL - ELBOW SIDE 13% X 0. 3" AXIAL - ELBOW SIDE 100% X 9.5" CIRC. - ELBOW SIDE 24% X 1"

• CIRC. - UPSTREAM 27% X 1.5" CIRC. - UPSTREAM 16% X SPOT AXIAL - PIPE SIDE 17% X O. 75" AXIAL - PIPE. SIDE 29% X 0.25" AXIAL - PIPE SIDE 21% X 15/16" AXIAL - PIPE S.IDE 18% X 1" AXIAL - PIPE SIDE 50% X 2.75" CIRC. -

~IPE SIDE 31 % X 0. 25" AXIAL - UPSTREAM 25% X O. 25" AXIAL -

DOWNSTREAM 22% X 360, INT. CIRC. - UPSTREAM 54% X 360, INT~ CIRC. -

DOWNSTREAM 2

FLAW DISPOSITION OVERLAY 0.2" x 4.5" OVERLAY

o. 2" x 4. 5" OVERLAY 0.2" x 4. 5" OVERLAY

o. 2" x 4. 5" OVERLAY

o. 2'! x 4. 5" OVERLAY 0.2" x 4.5" OVERLAY.

0.35" x 2.8" OVERLAY 0.2" x 4.5" OVERLAY 0.211 x 4~5" ACCEPTABLE WITH IHSI ONLY

• ACCEPTABLE WITH IHSI ONLY OVERLAY

o. 2" x 4. 5" OVERLAY 0.25" x 4.5" OVERLAY 0.35" x 5.6 11

~~-*

.... ~:

..;;_::......... :..*. ~*. ~~

-........ -:,~.*-----~--*-*:.,__,,.~,...:...*---**-'***-:...*. ;-~--"-* ~.... r*....*.;,*-,,*--~-:~.:~~...:~

}*

PIPE WELD DIAMETER IHSI IT.AW CHARACTERIZATION FLAW DISPOSITION 1K-12-5

. 12" YES 43%"X 0.25" AXIAL - ON WELD OVERLAY P-P.

49% X 360, INT. CIRC. - UPSTREAM 0.35" x 5~6" 21% X 360, INT. CIRC. - DOWNSTREAM 1L-12-K2 12" YES.

100% x 1-3/8" AXIAL - ACROSS WELD OVERLAY

EL-P

o. 25" x 4.5"

. 1L-12-3 12" YES.

25% x 1/8" AXIAL - PIPE.SIDE OVERLAY P-EL 15% x 1/8" AXIAL - PIPE SIDE

o. 25" x 4. 5" 17% x 0.25" AXIAL - PIPE SIDE 50% x 1.5" CIRC. - PIPE SIDE 1M5 12" YES

. 32% x 7.75" CIRC. - PIPE SIDE OVERLAY 32% x 3. 50". CIRC. - I'IPE SIDE 0.2" x 2.25" (+)

12% x 7.75" CIRC. *-PIPE SIDE 1M-12-K2 12" YES 39% x 1.5" AXIAL - PIPE SIDE OVERLAY EL-P 0.2" x 5.25" 1M-12-K3 12" YES 33% x 5/16" AXIAL - PIPE SIDE OVERLAY P-EL 42% x 7/16" AXIAL - ELBOW SIDE

o. 2" x 4. 5"

. 8-31 8"

NO 47% x 2" CIRC. - PIPE SIDE OVERLAY P-V

o. 2" x 2. 25" (+)

8-32 8"

NO 1 00% X 6. 5" CIRC. - DOWNSTREAM OVERLAY P-P

.0.2"*X-4.5" 8-34 8"

NO 24% x 6.5" CIRC. - ELBOW SIDE OVERLAY P-EL

o. 2" x 4. 5" 8-35 8"

NO 60% x 5" CIRC. - REDUCER SIDE OVERLAY

?-RED

o. 2" x 4. 5" 8-36 8"

NO 71% x 2.5" CIRC. - DOWNSTREAM OVERLAY P-P.

o. 2" x 4. 5" 8-K46 8"

NO 32% x 4.5" CIRC. - ELBOW SIDE OVERLAY EL-P 26% x 0.25" AXIAL - PIPE SIDE 0.2" x 3.25" 41% x O. 25" AXIAL - PIPE SIDE 10-41 10"*

NO 20% x 0.5" CIRC. - TEE SIDE OVERLAY TEE-CAP B

. 25% x 8.5" CIRC. - CAP SIDE 0.2 11 x 4.5" 16-K 1

, 6" YES 25% x 1.2" CIRC. - PIPE SIDE OVERLAY P-TEE A

25% x 0.2" AXIAL - PIPE SIDE 0.2" x 4.5" RHB-PAP-4 3

~-

.* i PIPE WELD DIAMETER 16-K2 16" EL-P A

16-K6 16" P-EL B

16-10 16" V-P 22A-1 22" P-CAP 22!3-1 22 11 P-CAP 22B-3.

22" CROSS-P 28-1 28" SE-P A

28-K2 28" P-EL A

28-K5 28" TEE-P A

28-6 28" P-P A

28-7 28" P-V A

28-15 28".

EL-P A

28-18 P-TEE 28-1 SE-EL 28" A

28" B

IHSI YES NO NO NO NO YES YES YES YES YES YES YES YES NO e.

Fl.AW CHARACTERIZATION FLAW DISPOSITION 17% X 0. 75" AXIAL - PIPE SIDE OVERLAY 0.125" x 4.5" 2 INDICATIONS -

OVERLAY EACH 31% X 5/8" AXIAL - PIPE SIDE 0.2" X 4.5" 13% X 0. 9" AXIAL - PIPE SIDE OVERLAY IN PROGRESS 30% X 5" CIRC. - CAP SIDE OVERLAY 15% X 7" CIRC. - CAP SIDE 0.2" X 4.5" 36% X 811 CIRC. - CAP SIDE

• OVERLAY 36% X 29" CIRC. - CAP SIDE

0. 4" X 6. 0"

• 46% X O. 50" AXIAL ON WELD - CROSS OV.ERLAY SIDE.

0.2" X 2.25" (+)

29% X 360, INT. CIRC. - PIPE SIDE OVERLAY 0.5" x 3.5" (+)

.46% X 1-1/8" CIRC. - ELBOW SIDE OVERLAY 24% X 2.75" CIRC. - PIP& SIDE 0.3" X 5.2" 26% X 0.75" AXIAL - PIPE SIDE

. 32% X 0.75" AXIAL~ PIPE SIDE

. 38% X AXIAL SPOT - PIPE SIDE 20% X AXIAL SPOT - PIPE SIDE 33% X 3/8" CIRC. - PIPE SIDE OVERLAY 78% X 0.25" CIRC. - PIPE SIDE 0.4" X 6.0" 64% x 360,-INT. crnc. - DOWNSTREAM OVERLAY

o. 45" x 6. 0" 24% X 0.75" AXIAL - PIPE SIDE OVERLAY 29% X 360, INT. CIRC. - PIPE SIDE O. 45" X 3. 5" (+)

24% X O. 411 AXIAL - ELBOW SIDE OVERLAY 60% X 1.5" CIRC. - PIPE SIDE 86% X 2" CIRC. - PIPE SIDE.

27% X 1" CIRC. - PIPE SIDE 27% X 1.75" CIRC. - PIPE SIDE 35% X 0. 5" AXIAL - ELBOW SIDE 34% X 0.25" AXIAL - ELBOWSIDE 4

o. 2" x 4. 5" OVERLAY 0.46" x 1.0 11 OVERLAY 0.2" x 2.25" (+)

• -----*- -.*------*.. *.... -...:~~*

.. ~--.;..'..-.::..----;-**-* "'----- --

**,4.;....~** ---*-***---*--*---:_-

• ----":--~---** -*

_......:; _ _,........ -.:.-:.*'~-:u.. :.....';***~.

-~**

,!_,.~..

PIPE WELD DIAMETER 28-K3 28" EL-P B

28-B4 28"

.CROSS-RED

. 28-6 28" V-P B

2.8-K8 28" P-EL B

28-11

.. 28".

P-EL B

28-13 28u PP-P B

28-14 28" P-V B

28-15 28" V-EL B

28-K16 28" EL-P B.

28-K20 28" P-TEE B

RHB-PAP-4 IHSI YES NO

• YES.

YES

• .YES YES YES YES YES YES FLAW CHARACTERIZATION 53%*X 718" CIRC.. - PIPE SIDE 20% x 318" CIRC. - ELBOW.SIDE 12% x 1. 25" CIRC. - ELBOW SIDE

• 10% x 118" AXIAL -*REDUCER SIDE 11% x 0.5" AXIAL - PIPE SIDE 31% x 0.37" AXIAL - PIPE SIDE 39% x 0.40" AXIAL - ELBOW SIDE 33% x 0.1" AXIAL SPOT - ELBOW SIDE 33% x 1.5" CIRC. - PIPE SIDE

. t 5% x.,

• 2" CIRC. - PIPE SIDE t 5% x 0.811 CIRC. - PIPE SIDE 46% x 3/16" AXIAL - PIPE SIDE 20% x 1. 5" AXIAL - PIPE SIDE

• 43% x o. 411 AXIAL - PIPE SIDE 24% x 0.4" AXIAL - EL130W 50% x 4.8" CIRC. - PIPE SIDE 26% x 360, CIRC. - PIPE SIDE 17% x O. 25" AXIAL - PIPE SIDE.

15% x 0.25" AXIAL - PIPE SIDE 5

FLAW DISPOSITION OVERLAY 0.4" x 6.0" {+)

OVERLAY

o. 2" x 2. 25" (+)

OVERLAY 0.2" x 2.25" OVERLAY

o. 2" x 4. 5" OVERLAY 0.2" x 2.25" OVERLAY 0.125" x 2.75" OVERLAY 0.125" x 2.75".

OVERLAY

• IN PRO.GRESS OVERLAY

• 0.46" x 6.5"

• OVERLAY 0.46" x 3.5" (+)

~..

.I. WELD JMBE~

I lNSPECtION RESULTS/ACTIONS SUNMARY I o,::- /Q:

~*

DltESDtN stATtoH UN1T Oj SYSTEM L. P. c. +/-. c11 W£~s

• DATE 2 84 -*.*-::

SIZE AND JOINT TYPE ti. T. INSPECTION RESULTS s ~1 A D Uri.

RESULTS REMARK~/ Ac~r~_;-;s

\\.

L.M. T. RESULTS

~~----~~..._~~~---~'--~---~~~--~~~~~~--1-~~~~~--~~~~~~~-+-~~~------~--~~---:'

A. L ~~c.:r.

I CD~ k.2.

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