Text

Metallurgical Rept Insp Browns Ferry Nuclear Plant Unit 3 Metallurgical Evaluation of Crossaround Piping,Extraction Steam Piping & Emergency Equipment Cooling Water Piping for Wall Degradation
	ML20235A154
Person / Time
Site:	05000000, Browns Ferry
Issue date:	06/26/1984
From:	Woods T; TENNESSEE VALLEY AUTHORITY
To:	;
Shared Package
ML082420107	List: ML20234F497; ML20234F508; ML20234F519; ML20234F590; ML20235A015; ML20235A154; ML20235A160; ML20235A171; ML20235A203; ML20235A218; ML20235A310; ML20235A347; ML20235A390;
References
	NUDOCS 8709230222
	Download: ML20235A154 (33)
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_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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TNSPECTION BROWNS FERRY NUCLEAR PLANT UNIT 3 METALLURGICAL EVALUATION OF CROSSAROUND PIPTNG, EXTFACTION STEAM PIPING, AND EMERGENCY E00tPMEF FOOLING WATER PIP 7NG FOR uALL DEGRADATION e

a G

W O

Prepared BV M

N Date

//h6((k Suhmitted Bv LLE M k Date / /di 8[{

f e

a

Introduc2 ton Inspections were performed on the subject carbon steel piping durd ng the unit 3 cycle 5 outage to evaluate for wall degradation caused by corrosion and erosion /corres!on neebanisms. Visus) inspections were performed on 1 A1 and 1B1 crossaround piping and moisture separators, and ultrason4c rests (UP) were peformed on sel.ected areas of extraction steam, piping to eval.uate for erosion / corrosion.

Additional UT was per oceed on two areas of the r

EECY 18-inch diameter headers to evaluate for walf degradation' caused by pitting corrosion attack. Unanticipated failures dur-f ng operation could result in a limiting condition for coeration or an amergency outage to make necessary repairs.

Discussion Visual. inspection of the h2-inch diameter crossaround pioing and moisture separators revealed few localized areas of arosion/ corrosion damage. The areas noted were pass 4 ve and wal'. loss was estimated to be less than 0.125 inch. Based on the results of the visual inspection, it was not necessary to perform UT on the piping to evaluate for wall loss.

The 4.nside diameter (7Di ' surface condition of the unit 3 crossaround pipine is consistent with experimental'. data on piping of similar chemical composition.

This pipine contains resideal alloving elemer's which provide a film strength during oxidation to retard the erosion /cor*vrion progression to some decree.

UT examination of the extraction ste.am piping and EECW piping di.d not

-(

reveal any locations of severe wal' degradation. The minimum wall thickness value was calcu'ated ror each pipe diameter at the specified_

design conditions. The calculated value includes a corrosion allowance of 0.080 inch. UT values zenerated during the examination exceeded each of the ninimum wall values. "inimum wall values for each pipe diameter were based on the following des!gn parameters.

Extraction Steam Piping 1.

Design Pressure 125 psis Design Temperature 3500' Material Specification ASME SA 106 GB B Mominal Diameter 12 inch Nominal Vall Thickness 0 375 inch TVA Class c

Calculated Minimum "al' Value 0.11205 inch 2.

Design Pressure 250 psig Design Temperature 200

0 Material Specification ASVE SA 106 09 B 11ominal-Diameter 18 inch Nominal Mal' Thickness 0.375 inch TVA Class r

Calculated M.inimum Mal' Va1.ue 0.22Q01 inch

e

'A 2

Extraction Steam Piping 3.

Design Pressure 125 psig Design Temperature 1500' Materia.1 Specification ASME SA 106 na 9 Nominal. Diameter 24 inch Nominal Wall thickness 0.375 inch TVA Class F.

Calculated M!nimun Wa11 Val ue 0.17967 inch 4

Design Press'1"e

?"O psig Design Temperature LOOOF Material Specification ASTV A195 GR KC 70 Nominal Diameter 30 inch Nominal Wall. Thickness 0 375 inch TVA C3 ass c

calculated Minimum Fall. Value 0.29307 inch

~

FECW Piping 1.

Design Pressure 185 psig Design Temperature 1500F Material Specification ASME SA 106 GR B Nominal Diameter 18 inch Nominal 'fal' Thickness 0 375 inch TVA Class c

l Calculated Minimum Wall Value 0.10046 inch y

Attached are the dats sheets from the UT examination and.4 illustrations or the extraction steam piping showing grid locations.

Cone)usion and Recommendations The visual and UT examinations demonstrated that the subject piping still maintains structural integrity. It is recommended that these identical.

areas be examined dueing the next refueling cycle to monitor for wall degradation. When a trend is established, we can inform you or a recommended long-tem inspection frequency.

Attachments TRW:FSD 6/26/84 921723.FD

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PAGE 4

DATE N.T.

6 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER f

(

STEAfi/ WATER EROSION OF PIPING AND CORROSION PROCEDURE

(

OF RAW WATER CAR 110N STEEL PIPING NO. _ TS.09.01.01.14.02 NTTACllMENT I

{

L B

DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PIPING i

1.

Unit an1 System:

(LNr.T b f)(f M D1979 (EXT A/$.8) 1 2.

Location:

{Vo i$ 'rt1.R K,. S E D M ON j'w HAA MDVt GWig l

3.

Grid No.:

7 l

4.

Pipe Diameter:

/[ /NC)/

5.

Schedule or Nominal Wall:

(.

6.

Date:

(,, 9 N

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7.

Sketch of Grid Loca. ion:

Sd6 8640td 8.

Inspector (Signature):

/77t$c/Aa8 A [

d. _.

A$ M6 SAfDb G Rb bT:sso F l

hp = Izs PS16.

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Comments:

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PAGE 5

DATE MAR 6 1934 C.

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER o

STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE

(

OF RAW WATER CA'80N STEEL PIPING NO.

TS 09.01.01.14.02 b-tl

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PAGE 4

DATE N?t.

6 1334 j

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER j

STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE j

OF RAW WATER CAR 110N STEEL PIPING NO.

TS. 0,9. 01. 01.14. 02 ATTACllMENT 1 1

DATA FORM FOR ULTRASONIC TEST INSPECTION I

OF CARBON STEEL PIPING 1.

Unit anil System:

Il#rT3 EJfr. 57M. Ar #rA/G [ Ext Mo./I I

2.

LoeaLion:

$b1STlLAS.stPAAATb2 M lxN RfA2 ABol/E & RAT 1Alq 3.

Grid No.:

2 4.

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/8 rNc M 5.

Sche,dule or Nominal Wall:

6.

Date:

6-1-9Ll

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7.

Sketch of Grid Location:

SEE BEloed 8.

liispector (Signature):

/77/$/Aad M. [M#/ N

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bY: yoo* F top br = 250 psrg n

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PAGE 4

DATE 68.'t.

6 1334 l

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER f

STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE

(

OF RAW WATER CAR!!ON STEEL PIPING NO.

TS.09.01.01.14.02 l

l ATTACllMENT 1 l

DATA FORM FOR ULTRASONIC TEST INSPECTION I

OF CARBON STEEL PIPING I

1.

Unit and System:

UNITA EXT. sra. APxvo /Ex7 No.d I

2.

Location:

/yptsYtt9G DDAfATO. Rh1l1N REAR A&>VE GEATsN]

3.

Grid No.:

3

[

4.

Pipe Diameter:

/ 2 T N c,J/

5.

Schedule or Nominal Wall:

6.

Date:

lo 9 4 l

f(

(

7.

Sketch of Grid ' Location:

SES 86401d i

8.

Inspector (Signature):

//722) l a M O. [ M Md be

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br = 350 F

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PAGE 5

DATE I.MR 6 1334 ST W,\\TER R N F PI NG 0 0 0 PROCEDURE I'

0F RAW VATER CoonON STEEL PIPING NO.

TS 09.01.01.14.02

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l PAGE 4

DATE lA.'t.

6 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER

('

STEA?!/ WATER EROSION OF PIPING AND CORROSION PROCEDURE 0F RAW WATER CAR 110N STEEL PIPING NO.

TS.09.01.01.14.02 ATTACllMENT 1

{

DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PIPING 1.

Unit anil Syst.cm:

(LMIT 3 200T. STM krPTAlo EXT. MO. E) s ~

l 2.

Location:

fflorsT1tRE. sfPALAb2 kNlzW PEAR Al% tid GRAYrN}

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3.

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Of 4.

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Date:

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SEE 664o td 8.

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MSM eI O. [a/,/M M 6, d_;L 2-_-__-

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t TVA7931 i

PAGE 5

D.'.TE I.MTl 6 1934 C.

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE f

OF R,W WATER CP"ON STEEL PIPING NO, TS 09.01.01.14.02

=

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i PAGE _ 4 DATE M.,,.,

6 1334 i

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE g

OF RAW WATER CAR 110N STEEL PIPING NO.

TS.09.01.01.14.02 g

ATTACitMENT I I

/

DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PIPING i

)

1.

Unit anil System:

MAlIT.3 IXT. $7A7. dAcNG ((XTd/o/)

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$D/$71.LA6.ssAARATok 'NMlrU ffAR A8cvt GM1.*zNj 2.

Location:

3.

Grid No.:

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4.

Pipe Diameter:

_30 3*NC M i

5.

Schedule or Nominal Wall:

6.

Date:

& ~ 7-8 4 f

f 7., Sketch of Grid Location:

$66 86/.000 8.

Inspector (Signature):

M6od 4. ((M M 47, Mm _

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grade Kc10

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CLASS 2. FZ26 80X l

q i

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j PAGE 4

DATE

68.., 6 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER

(

STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE OF RAW WATER CAR 110N STEEL PIPING NO.

TS.09.01.01.14.02 i

ATTACl! MENT 1

/

e DATA FORM FOR ULTRASONIC TEST INSPECTION I

l OF CARBON STEEL PIPING 1.

Unit and System:

(1 N r T 3 X t $1pl.

/rbMO 67' b'o. Z)

/

A/))$1712.E.SFJARA 7bA h.l'2"N ArPE CNAS6'

[

2.

Location:

{

3.

Grid No.:

7 4.

Pipe Diameter:

2LlTNC#

5.

Schedule or Nominal Wall:

6.

Date:

S-7-94

[

7.

Sketch of Grid Location:

_866 88[C40 8.

luspector (Signature):

M a/lb !

d.Ie? --

/?687E $k lbb &$b Dr 350 F l

l bp=Itspsiq.

\\

S W

\\

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PAGE 5

DATE P. Aft 6 1934 C.'

Title:

INSPECTION PROGRMi DIVISION OF NUCLEAR POWER STEM 1/ WATER EROSION OF PIPING AND CORROSION PROCEDURE OF RAW WATER CA'80N STEEL PIPING NO.

TS 09.01.01.14.02 e

Q N,

~

Q

' O 4

g

=

5 1

n eJ

(

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9.

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=

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=

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f l

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}

PAGE 4

DATE NY.

6 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE OF RAW WATER CAR 110N STEEL PIPING NO.

TS.09.01.01.14.02 NTTACliMENT 1 I

DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PIPING 1.

Unit anil System:

( 3 Al t T". 3.

GXT" STA4 ~919tM(.

[ ext.MO.Z)

I 2.

Location:

fact STORE s5 EPA 7ATOR 'A00M

'I.d "El?E CMASE 3.

Grid No.:

8

~

4.

Pipe Diameter:

1 6 \\ *L meg LtdE OFF 24 (Ne.u N\\Ald LIME...

5.

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6.

Date:

6 8 54

/

(

7.

Sketch of Grid Location:

sEE "RE tov /

8.

Inspect or (Signat.ure):

//p$,ha8[M /Af 47, h4

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Asac 5Ato6 6AB

% = 3Co* F Op = 12E pa3 QH 5

1 Comments:

I 3 octoca T e i ocwen l

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PAGE 4

DATE N,'t, 6 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER l

~ ~ ~ ~

(

STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE OF RAW WATER CAR 110N STEEL PIPING NO.

TS.09.01.01.14.02 ATTACllMENT 1 l

l i

DATA FORM FOR ULTRASONIC TEST INSPECTION I

l OF CARBON STEEL PIPING I

f I

()PJ1T. 3_ ' E h.STM. 719W G [E x't-No, g) 1.

Unit anil System:

i 2.

Location:

Mot STdRE se'PARAY$R icEAA

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^~~

3.

Grid No.:

~ 9 I

4.

Pipe Diameter:

24 meM l

S.

Schedule or Nominal Wall:

(

6.

Date:

4-7-8V f.

u 7.

Sketch of Grid Location:

.M Bf/og/

8.

Inspector (Signature):

MLJ [Ms 3/M 4 ;6__ _,__ _ _ _ -

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I Asse

,sA ao 6 cdB 3SO

F.

~

Dy I

De =

izs. Psi 3 1

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TVA7931

Qt!TE.Mip PAGE 5

DATE l.!M G 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE OF RAW WATER CA'80N STEEL PIPING NO.

TS 09. 01. 01.14. 02 6

B

>~

4 g

2

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PAGE 4

DATE bl.%.D.

6 1334

Title:

INSPECTION PROGRAM DIVISION OF NUCLEAR POWER STEA?!/ WATER EROSION OF PIPING AND CORROSION PROCEDLP.E OF RAW WATER CAR 110N STEFL PIPING NO.

TS.09.01.01.14.02 ATTACitMENT 1

(

l DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PIPING Ed'STM. Ar/rNG (EXTl No.2)

[

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PAGE 4

DATE N.'t, 6 1334

Title:

INSPECTION PROGRArt DIVISION OF NUCLEAR P0kIR STEAM / WATER EROSION OF PIPING AND CORROSION PROCEDURE 0F RAW WATER CARil0N STEEL PIPING NO.

TS.09.01.01.14.02 ATTACllMENT I

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i DATA FORM FOR ULTRASONIC TEST INSPECTION I

l OF CARBON STEEL PIPING I

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1.

Unit and System:

M IT3 I)(T".STAf. h /rNd [6Kf.A/0.3) l-2.

Location:

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SEE BEhoed

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f PAGE 5

DATE EMR G 1334 C.

Title:

INSPECTION PROGRMi DIVISION OF NUCLEAR POWER STEMl/ WATER EROSION OF PIPING AND CORROSION PROCEDURE OF RAW WATER CP 80N STEEL PIPING NO.

TS 09.01.01.14.02 k.

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ATTACHMENT 1 n

DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PlPING

1. Unit and System:._ tert" ~# '3 EEcW 9tPtMG

2. ' Location: 3ET-UN1iT Z 43 EL G N/.

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I 4.

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1B" 5.

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6. Date:

6 8'4

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SE E-

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Comments:

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ATTACHMENT 1 a

a DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PIPING i

1.. Unit and System:

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2. Location: OWiT w 3

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TVA 7931 (DNP 2-84) l

ATTACHMENT 1 DATA FORM FOR ULTRASONIC TEST INSPECTION OF CARBON STEEL PlPING

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Elf.1 Mall THINNING INSPECTION DATA l

1 PLANT:

8MM UNIT:

8 INSP. DATE:

// [fG dwe>

I [

SYSTEM:

/

HTL. CLASS./ REFERENCE THICKNESS:

t LOCATIONS INSPECTED:

PURPOSE OF INSPECTION:

FOR WALL THINNING 7 INSPECTION DETAILS:

///w I METHOD:

INSTRUMENTS:

~~

GRIDS:

h'/ d2

- e uM INSPECTION RESULTS:

CORRECTIVE ACTI.,0NS:

REPAIR / REPLACEMENT 7 MATERIALS CHANGES?

FAILURE ANALYSIS?

DOCUMENTATION:

A/>ef N b

/

l 1

l L__- _ _ _ _

PIPX W_AJ& THINNING INSPECTION DATA l

PLANT:

8FN' UNIT:

/

INSP. DATE:

b e s e+./. -

/ 7/P'~

6 < - > >.

.

M a_.l_ / ',..-

)

SYSTEM:

7 i

MTL. CLASS./ REFERENCE THICKNESS:

Ic r'--

x - > r.

i o

LOCATIONS INSPECTED:

3-Ic N. I l

L ' /

,1.,. _

pt. /

L&

Ama u2 - m, b.a &

d e,J,, J,, f

p. t. -.. a.. ;,

PURPOSE OF INSFECTION:

5a,.'.

/u dM

- cc -

e..--

/

w.-.

s..

t n

se. +,

/

FOR WALL THINNING?

INSPECTION DETAILS:

C o u.E METHOD:

u 7-INSTRUMENTS:

GRIDS:

INSPECTION RESULTS:

e I-C-d. d c. 6 /

l CORBECTIVE CT ONS:

Ale A.. W -

. r n # *'..

.. o / f Js.:

L,' f. al me u,.,_..

0 6

REPAIR / REPLACEMENT?

MATERIALS CHANGES?

l FAILURE ANALYSIS?

DOCUMENTATION: A/n~o d 67' M.o I# -

~7 #

&. ' /.'-

L.,

a.a.

T/

/1/ V(' t. 2 9 kW e i Ec ?92 )

1

.)

/

1 i

%M L2 9 84 013 0;.8 92

-JMi 31 1984

0. T. Jones

, Browns Ferry Nuclear Plant

Subject:

BROWNS FERRY NUCLEAR PLANT UNIT 1 - MISCELLANEOUS DRAIN HEADER ULTRASONIC TEST (UT) EVALUATION Attached.for your information is a copy of the report pertaining to the evaluation performed on the subject header per your request.

T. F. Ziegler-EFH:0JP:TRW:FSD Attachment cc (Attachment):

NUC'PR ARMS, 1520 CST 2-C T. G. Campbell, 1760 CST 2-C Johnny Miller, Brosms Ferry (Attention:

L. Cooper)-

This was' prepared principally by Terry R. Woods.

B2026D.FD i

I

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

ML20235A154

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