ML20149H203
| ML20149H203 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 10/25/1994 |
| From: | NORTHEAST NUCLEAR ENERGY CO. |
| To: | |
| Shared Package | |
| ML20149H202 | List: |
| References | |
| TE-M1-94-20, TE-M1-94-20-R, TE-M1-94-20-R00, NUDOCS 9411180217 | |
| Download: ML20149H203 (45) | |
Text
.
MILLSTONE Unit No. 1 Technical evaluation # TE-M1-94-20 Revision 0, October 17,- 1994.
Subject:
Millstone Unit No.1 NCR # 194-1040 Evaluation of pin hole leak in 24"-SW-6
Reference:
1.
ASME B&PV Code 1992 Edition,Section III.
2.
EBASCO Calculation 1-6, rev 0.
l
- 3. MP1 Piping Specification MPC-M1-PIB.
4.
T. Davis to S.Frolov, memo MP1-TS-94-500 5.
6.
ANSI B31.1-1967 Edition.
7.
NCR 194-1040, dated October 4, 1994.
Purpose:
i This Technical evaluation evaluates the structural integrity of Service Water pipe 24"-SW-6 with pin hole leak as described in NCR 194-1040 on October 4, 1994.
==
Conclusion:==
The attached evaluation has determined that the structural integrity of the piping is maintained through the next refueling outage. The evaluation shows that a hole of up to 3"
in size remains stable under design loading conditions.
Structural integrity of the pipe 24"-SW-6 is acceptable.
Evaluation:
i The degraded piping is 24" Service Water discharge header from RBCCW Heat Exchangers. The defect is located in weld i
between the 6" pipe cap and pipe 24"-SW-6. The defect is a pin hole leaking at the rate of 1 drip /20 seconds.
The calculation has been performed in accordance with the thru-wall flaw approach as described in GL 90-05. For the leak in question, the evaluation shows that a hole of up to 3"
in size remains stable under design loading conditions.
The evaluation has been made assaming that the wall thickness loss rate is linear. The wall thickness loss rate assumption will be comfirmed by supplemental NDE. The assumed wear rate is conservative.
Prepared by:
b abV
/C /8 E
/
/
Od
/d k
Reviewed by:
1 A k
i Approved by:
N< d
/0 iN V /S 9411180217 941102 PER ADOCK 05000245
)
i F
7~E - M / - 9f/ 20 1.0 PURPOSE / Method :
The purpose of this calculation is to assess the structuralintegrity of thru-wall circumferential flaws / defects in ferritic piping in accordance with Generic Letter 90-05 [5].
The degraded piping is 24" service water return from RBCCW Heat Exchangers at MP1. The affected line number is 24"-WS-6 as identified in Ref [4 & 7].
The defect is located in weld between the 6" pipe cap and the 24" -SW -6 Pipe.
GL90-05 thru-wall flaw assessment is made for both 24" and 6" pipe components.
2.0 BACKGROUND
This evaluation is performed to demonstrate the structural integrity of the RBCCW service water piping. The defect is currently a pin hole leaking at the rate of 1 drip / 20 seconds.
3.0 ASSUMPTIONS :
1.The flaw is sized in accordance with the criteria of GL 90-05 [4].
2.The wall thickness and flaw size used in this evaluation are based on conserva'.ive assumpthns.
4.0 REFERENCES
/ Design inputs :
(1)
ASME B&PV Code 1992 Edition, Section Ill.
(2)
EBASCO Calculation 1-6, Rev 0. SW piping - Moments (3)
MP1 Piping Specification MPC-M1-P1B (4)
T. Davis to S. Frolov, Memo MP1 -TS-94-500, Dated 10/5/94 (Attachment-A).
(5)
NRC Generic Letter 90-05, Dated June 15,1990.
(6)
ANSI B31.1 - 1967 Edition.
(7)
NCR 194-1040, Dated 10/4/94
( A44c L M B) l 1
l h
l }A Generic hole.wk310"
[
N $ k N N k Ik k$ k -
hh.
5.0 EVALUATION :
I Plant:
Millstone Unit 1 Piping Service Water Piping 24" - Std I
The design inputs per References [2,3] are as follows:
A53 Gr B Material
=
24" Sch Std
{
Pipe Size (inch / sch. )
=
24 inches Pipe OD (Do)
=
0.375 inches
)
Pipe thickness (tnom)
=
1942.299 inches ^ 4 J
Mom. of inertia (in ^4 )
=
161.858 inches ^ 3 l
Z ( in ^ 3 )
=
150 psig i
Design Pres (p, psig)
=
100 deg.F Design Temp (F)
=
Sc (ambient allo'uaole) 15000 psi
=
15000 psi j
Sh (hot allowable)
=
l 5.1 Design Loads Tabulation Stresses and Loads at data point 2 are from Reference [2].
Loading un-intensified Stress Moments Pres.. Stress (pDo/4t) 2400 psi N/A s
DW (Mc /1) 197 psi 2663 ft-lbs l
l
[Tjermal (Mc /1) 334 psi 4505 ft-lbs
_(Mcfl)_
772 psi _
10419 ft-lbs DR_DW4Th+Ses 1_
370~4 psi 17587_ftz1bs l
Press +
l l
l l
Generic hole.wk310" l
P,z q ss
/V
TE 'M ~ 94-2' O EVALUATION --- continued:
5.2 Aojacent wall thickness calculations ("tadd; The wall thickness adjacent to the weld defect, as given in NDE map for component 029-10A [5]
is all above the nominal wall for the 24" pipe. Thus, I tadj = 0.375 inch l--- Assumed nominal wall, Actual much higher 5.3 Flaw Sizing; The thru-wall flaw sizing is based on GL 90-05 criteria. The hole is a pin hole leak now considered to be.375" deep. Since the maximum thru-wall defect per GL90-05 is 3", the The maximum limiting flaw size is conservatively assumed to be 3 in also.
5.4 Flaw Separation Criteria Check:
There is only one thru-wall flaw. Separation criteria is not applicable.
5.5_ Check Against GL90-05 Flaw Size Umits GL90-05 limits the flaw size to either 3" or 15% of the pipe circumference, whichever is smaller.
15% of pipe circumference =
0.15 Pi (OD) 11.31 inch
=
Assumed Flaw Size = 2 a =
3 inch Umiting Flaw Size 2a = (Lesser of 2 a,3" or 15% pipe circumf.)
3 inch
=
[ Flaw Size (2a) = 3 inch l
Generic hole.wk310"
'b 3 f }19 t
TE -M/ 20 EVALUATION --- continued:
5.6 Minimum Wall Thickness Calcuations:
OD tnom tmeas t min tadj.
R.
a.
Stress = s inch inch inch inch inch inch
' inch Ksi 24 0.375 0.375 0.120 0.375 11.813 1.500 3.704 (Assumed)
(Do-tadj)/2 Calculate the min wall thickness required for Desian Pressure based on Code of Construction t min =
p Do p=
150.0 psig 2(SE +.4p)
Do =
24 inch S=
15000.0 psi t min =
0.1195 inch E=
1.00 Since tadj is > than tmin, the evaluation per GL90-05 using tadj is acceptable.
i l
Generic hole.wk310"
q -M/ 20 l
EVALUATION --- continued:
5.7 GL90-05 Thru-wall Flaw calculations r=
R/tadj 31.500 l
A = - 3.26543 +
1.52784 r - 0.072698 r ^ 2 + 0.0016011 r^3
= -3.26543 + 48.12696 72.134591
+
50.0438 A=
22.771 B = 11.36322 - 3.91412 r
+
0.18619 r ^ 2 0.004099 r ^ 3
= 11.36322 -
123.2948
+
184.7C 03 128.118 8=
-55.302 L
C = -3.18609 + 3.84763 r
- 0.18304 r ^ 2
+ 0.00403 r ^ 3
= -3.18609 '+ 121.2003 181.62144
+
125.961 C=
62.354 d = a / (3.1416 R) d=
0.0404 F = 1.0
+ A d ^ 1.5
+
B d ^ 2.5
+
C d ^ 3.5 1 +
0.1850
+
- 0.0182
+
0.0008
=
F=
1.168 K=
1.4 s F ( 3.1416 a ) ^.5 l
K=
13.144 Ksi (in) ^.5 l j
Generic hole.wk310" "V S h 5lll
TE -M/ - qq-20 i
6.0 CONCLUSION
S:
The calculated value of "K' is less than the allowable value of 35 ksi(in) ^.5, for a thru-wall flaw of length 3.0 inches with adjacent wall thickness of 0.375 inch. Thus, a thru-wall circumferential flaw of 3.0 inches in length is acceptable per the rules of GL 90-05.
Prepared By:
'*C h
Date
/ 48Y i
(PREM C. GODHA)
MV Date
/0 f 7 Reviewed By (S. FROLOV)
/o/7!@/
Approved By M//[//zd4 4J7e3, Date
( W. J. BRIGGS)
/
Generic hole.wk310" P,c 4 g li
TE - Mi 2 0 1.0 PURPOSE / Method :
The purpose of this calculation is to assess the structuralintegrity of thru-wall circumferential flaws / defects in ferritic piping in accordance with Generic Letter 90-05 [5].
The degraded piping is 6" pipe cap located in service water return from RBCCW Heat Exchangers at MP1. The affected line number is 24"-WS-6 as identified in Ref [4 & 7].
The defect is located in weld between the 6" pipe cap and the 24" -SW -6 Pipe.
2.0 BACKGROUND
This evaluation is performed to demonstrate the structural integrity of the RBCCW service water piping. The defect is currently a pin hole leaking at the rate of 1 drip / 20 seconds.
3.0 ASSUMPTIONS :
1.The flaw is sized in accordance with the criteria of GL 90-05 [4).
2.The wall thickness and flaw size used in this evaluation are based on conservative assumptions.
4.0 REFERENCES
/ Design inputs :
(1)
ASME B&PV Code 1992 Edition, Section 111.
(2)
EBASCO Calculation 1 -6, Rev 0. SW piping - Moments (3)
MP1 Piping Specification MPC-M1-P1B (4)
T. Davis to S. Frolov, Memo MP1 -TS-94-500, Dated 10/5/94 (Attachment-A).
(5)
NRC Generic Letter 90-05, Dated June 15,1990.
(6)
ANSI B31.1 - 1967 Edition.
(7)
NCR 194-1040, Dated 10/4/94 i
Generic hole.wk310" y1 YW
~
I4
- /E - MI - 9tf-20 I
)
5.0 EVALUATION :
1 Plant:
Millstone Unit 1 Piping Service Water Piping 6" - Sch 40 The design inputs per References [2,3] are as follows:
SA 234 Gr WPB Material
=
Pipe Size (inch / sch. )
6" Sch 40
=
Pipe OD (Do) 6.625 inches
=
Pipe thickness (tnom) 0.28 inches
=
Mom. of inertia ( in ^ 4 )
28.142 inches ^ 4
=
Z ( in ^ 3 )
8.496 inches ^ 3
=
Design Pres (p, psig) 150 psig
=
Design Temp (F) 100 deg.F
=
Sc (ambient allowable) 15000 psi
=
Sh (hot allowable) 15000 psi
=
5.1 Design Loads Tabulation Stresses and Loads at the 6" pipe cap which is free ended are negligible. The applied moments are conservatively assumed to be 100 ft Ib each from dead weight and seismic loads. No thermal moments exist.
Loading un-intensified Stress Moments Press. Stress (pDo/4t) 887 psi N/A DW (Mc / l) 141 psi 100 ft-lbs l
Thermal (Mc /1) 141 psi 100 ft-lbs DBE
{Mc/l)_
141 psi 100 ft-lbs Press + DW+Th+Seis 1311 psi 300 ft-Ibs Generic hole.wk310" hy S h N
7E -Mi - 9t - 20 t
EVALUATION '--- continued:
5.2 Adjacent wall thickness calculations ("tadi"):
The wall thickness adjacent to the weld defect, as given in NDE map for component 029-10B [5]
is 0.241". Thus, l tadj = 0.241 inch I
l l
5.3 Flaw Sizina:
The thru-wall flaw sizing is based on GL 90-05 criteria. The hole is a pin hole leak now considered to be.280" deep. The maximum thru-wall defect size will be based on GL90-05.
5.4 Flaw Separation Criteria Check:
There is only one thru-wall flaw. Separation criteria is not applicable.
5.5 Check Against GL90-05 Flaw Size Umits GL90-05 limits the flaw size to either 3" or 15% of the pipe circumference, whichever is smaller.
15% of pipe circumference = 0.15 Pi (OD) 3.12 inch
=
Assumed Flaw Size = 2 a =
3 inch Limiting Flaw Size 2a = (Lesser of 2 a,3" or 15% pipe circumf.)
3 inch
=
l Flaw Size (2a) = 3 inch l
Generic hole.wk310" h< i i %
n'
7E -H/ gg)
EVALUATION' --- continued:
5.6 Minimum Wall Thickness Calcuations:
OD tnom tmeas t min -
tadj R.
a Stress =. s inch inch' inch.
~ inch inch
. inch inch Ksi 6.625 0.28 0.241 0.049 0.124 3.250 1.500 1.311 (Assumed)
(Do-tadj)/2 Calculate the min wall thickness required for Design Pressure based on Code of Construction t min =
p Do p=
150.0 psig
__2(SE +.4p)
Do =
6.625 inch S=
15000.0 psi t min =
0.0330 inch E=
1.00 Since tadj is > than tmin, the evaluation per GL90-05 using tadj is acceptable.
Generic hole.wk310" g,,
lY
7E - M/- 94-20 EVALUATION ;---; continued:
5.7 GL90-05 Thru-wall Flaw calculations r=
R/tadj 26.149 A = - 3.26543 +
1.52784 r - 0.072698 r ^ 2 + 0 M16011 r ^ 3
-3.26543 + 39.95185 49.709622 28.6283 A
15.605 B = 11.36322 - 3.91412 r
+
0.18619 r ^ 2 0.004099 r ^ 3
= 11.36322 -
102.3512
+
127.31347 73.2917 B=
-36.966 C = -3.18609 + 3.84763 r
- 0.18304 r ^ 2
+ 0.00403 r ^ 3
= -3.18609 + 100.6126 125.15955
+
72.058 C=
44.325 d = a / (3.1416 R) d=
0.1469 F = 1.0
+ A d ^ 1.5
+
B d ^ 2.5
+ C d ^ 3.5 i
=1
+
0.8786
+
- 0.3057
+
0.0538 F=
1.627 K=
1.4 s F ( 3.1416 a ) ^.5 l
K=
6.481 Ksi (in) ^.5 l 1
Generic hole.wk310"
.- Py ii t #'.
11
TE-M/-99-20
6.0 CONCLUSION
S:.
The calculated value of K' is less than the allowable value of 35 ksi(in) ^.5, for a thru-wall flaw of length 3.0 inches with adjacent wall thickness of 0.375 inch. Thus, a thru-wall circumferential flaw of 3.0 inches in length is acceptable per the rules of GL 90-05.
Prepared By:
C-b ' ^-
Date lO M A (PREM C. GODHA)
Reviewed By C k/elT W Date
/0 9 Y (S. Frolov) f6/h P/
Approved Byb{l /Q&f' yk SUJ2, Date ( W. J. Briggs)' / Pgx. I L Qg Generic hole.wk310" /V
NORTHEAST UTILITIES SERVICE COMPANY cocm s.so SU BJ E CT hV&{.//h NO A j gr 6, [ ogig /0, / 7 f V tw P/// HOLE (c /. P ' /u Csvo. er ts)Af:- la /2. 'tl ca,e 7 t/ " Sw-G M -pi-9 Y -M cm snetT so. /3 /9 or W4Ll 7MICwc= 55 2 EQ U/2EHC:/JTS 'This evaluation is applicable to non-planar (through wall holes) and is performed in accordance with Generic Letter 90-05 and ORAFT Code Case N513 (8/13/92) (Reference J). 24" S VJ~ G tmin and t-adj Determination a) Determine tm per construction code (Reference 2). tm = P
- Do / (2 * (SE + Py) + A P= presssure, psig Do= outside diameter, in S= stress allowable, psi E= joint efficiency 1.00
= 0.4 y= a coefficient = A= additional thickness (corrosion allowance, threading, etc...) 0 = instrument Remaining' tmeas + Calibrate Years of Wear Life Outside 'tm miriimum Tolerance Service Rate Required tadj (1) (in) Dia. (in) (in) (in) (in) (yrs) (in/yr) (yrs) 24.000 l 0.1195 0.375 0 20 0.0188 1.250 0.3516 Note 1) The t-adj value is the predicted remaining wall at the end of the next scheduled refueling outage, currently scFeduled for Oct.1995. Note 2) This portion of the service water system has been operational since original constniction. Note 3) The measured data is per Referencel,f Ng - WFA e cwE tulyA l 2Ein ins bje ye s ) - NErr wsE l O c Tleeb > O. 3 'T'wis / Q,o = Q E 75 - ( Q f > t.2s) = a 5.5^[g T ut a s ain y, 915 '/1.= 325 p 0, b 6 l $ ' 0, ll Y cx y, rafn ' " 77tB Compo ueur !) A CCC P 7~h D L d' FOR C&d77A/uSC Ot=G% &170 " i= &CVwCD WOu-CCDd= ,4GPc2
NORTHEAST UTILITIES SERVICE COMPANY wm, m h DATE lY-YW $UBJE CT ( W: lA//47 Cr j BY Of E'/ N //dC6 [6A/d cHKD,BY /dY/ DATE / '/7 ' /y 2ly' S&& , mo. 7E -Mi-a V-SQ, / $HE ET NO. OF b " Pt PG / CA P l I tmin and t-adj Determination a) Determine tm per construction code (Reference 2). tm = P
- Do / (2 * (SE + Py) + A P= presssure, psig Do= outside diameter, in S= stress allowable, psi l
1.00 E= joint efficiency = y= a coefficient 0.4 = (,/ [n, A= additional thickness (corrosion allowance, threading, etc...) 0 / ,ifr' / = I instrument Remaining' tmeas + Calibrate Years of Wear Life Outside im minimum Tolerance Service Rate Required tadj (1) Dia. (in) (in) (in) (in) (yrs) (in/yr) (yrs) (in) 6.625 0.0330 0.241 0 3 0.0933 1.250 0.1243 Note 1) The t-adj value is the predicted remaining wall at the end of the next scheduled refueling outage, currently scheduled for Oct.1995. Note 2) This portion of the service water system has been operational since original construction. Note 3) The measured data is per Reference 4. O, 2 d / - f O, _ y 7, 2 5 = 0, G W fg gg / f 'l le ec > O. 3 '7?>vu O. l S l7'4' / Q 0 8 dy' nie
- c. ~ ~,,na m,n noc co,,
er u ez+n ou n ow,c cm non - co.cc= r cm,e hf6 /Al O//0 /S bIU T Bf /20A// 7~{;& pc C/./ a w a n=uy u sis foe f ue ne=e wcea,ov DA in b G E,
' " } 4;,* Dhtt ' : A+s* ' ': [///jf($ Utillties System ) Northeast 4 7 r A-ca e m n B Memo MP1-TS-94-500 TO: S. Frolov 705, 9 y Unit 1 Technical Support-Design FROM: T. E. Davis' /, f\\2 Unit 1 Technical Suppcrt - Programs
SUBJECT:
Service Water Piping Line #24"SW-6 Ultrasonic examination was performed on the service water piping, line # 24"SW-6, to determine the extent of degradation associated with the recently identified leak area. The leak occurred in the weld metal joining the 24" elbow to a 6" cap. The 6" cap was installed in 1991 under AWO # M1-91-07778 and NCR 191-126. The 6" cap was installed to repair an area vacated by a 2* socket welded pipe and cap. The ultrasonic examination was performed on the basemetal adjacent to the subject weld on the 24" elbow identified as 029010A and 'ai 6" cap identified as 0290108. The results of the examination are attached. See the attached sketch for information pertaining to data orientation. l The 24" elbow is original installation to the best of my knowledge with the 6" cap installed in 1991. The nominal wall thickness of the 24" pipe is.375". In addition to the ultrasonic examination, radiography was performed on the cap to pipe weld. The radiography results indicate an approximate 1.5" area of degradation. If there are any questions or additionalinformation needed, contact me at x-4799. J. M. Quinn [ cc: W. J. Briggs R. B. Sholler D. S. Cleary P.C.Godha
...s. l EROSION /CORRCSION ULTRASONIC CALIBRATION DATA SHEET SYSTEM COMPONENT DESCRIPTION COMPONENT IDENTIFICATION sawer l14ren 24" ELEcu o.29-o/o A EXAMINATION PURPOSE AWO NUMBER ;.._ INITIAL O REINSPECTION O BASELINE O MAP ylf VERIFICATION O
- ffef6727o.71 EXAMINATION TYPE PHOTO GRID INTERSECTS jd SCAN BETWEEN GRIDS O SCAN ONLY O DISK M4 FRAME Al l
LINE NU R DIA Q,R T_ g .875 cf T_ g/ COMP. LD. / COMP. LD. / COMr$. L GRID GR!D MATRIX COMP. l.D. [ COMP. f.D. PARAMETER / / I / ./ SIZE F A / 4 MAIN b 0 CH STM .1 SECTION .2 b l-X.$. Al-XS /Grrmw COMPONEtR TEMPERATURE ' SURFACE PAINTED O AVG. COATING THICKNESS: Al/d >125'F T No O Yes TEMP: Al F UNPAINTED g X 3 mil - M/4 mil (COATING FACTOR) COMMENTS / SKETCH INSTRUMENT TOLERANCE 8.dB/ CAL!BRATION TOLERANCE 8.obo INSTRUMENT fdA/ A CAL STANDARD (S) SN: 9/-dY78 / MFG /MODEL:: 20 DL b5 SN: f/036dO8 SN: N/A MATL: 4340 TR ANSDtJS ER 50/NL TYPE: St) Al- \\ MFG. (MAJ)4 SN: 89.20/4 Size: D.3/2 FReOuENCY: COUPLANT BATCH f.36 20 Al MRIR: 474 - ///-/ CAL STANDARD THICKNESS l INSTRUMEtJ READING l CAllBRATION CHECKS MIN. MAX. MIN MAX. /.00o h.2SD
- 8. 75b
\\ Initias Cat /632 0250 \\ l f I intermwiat. Cat / ,; / J f Int rm.ciat. Cat /^ A intermwtate Cat f4 / ] Intermediate Cat O. Mo l /, ooo O.p50 6.75b Final Cat /t,48 \\ GRID AND DATA VER!FIE S CnRRECT /0/f[9/ EXAMINER. g,M < EVEL: [L DATE: j LEVEL: M+- DATE: /0 /3'/f / REVIEWER: /.- x NU.UT-30 Page 1 of 3 Rev.: 9 ux xu, . _ _....... ~
NU GRID DATA 10/05/1994 16:02:03 PLANT NAME : MILLSTONE PLANT UNTT
- 1 LINE NAME
- 24*SW-6 COMPONENT NAME : 029010A OUTAGE NAME : OCT 94 SECTION
- Main Tom = 0.375. Tscreen = 0.113 B
C D E F G 11 I 3 K L M N O P Q R S T U V W X Min Max Del Ave Dev i 0.547 0.M3 0.667 0.647 0.542 0.497 0.523 0.525 0.511 0.530 0.532 0.521 0.515 0.535 0.530 0.521 0.532 0.497 0.667 0.170 0.549 0.054 2 0.528 0.519 0.619 0.828 0.557 0.496 0.491 0.514 0.497 0.519 0.526 0.521 0.538 0.518 0.521 0.518 0.521 0.521 0.491 0.828 0.337 0.542 0.077 3 0.520 0.534 0.553 0.682 0.882 0.634 0.531 0.463 0.466 0.4 % 0.508 0.517 0.513 0.517 0.524 0.511 0.504 0.510 0.510 0.519 0.463 0.882 0.419 0.545 0.094 4 0.508 0.526 0.533 0.597 0.684 0.637 0.785 0.802 0.655 0.542 0.511 0.451 0.461 0.477 0.501 0.505 0.526 0.501 0.504 0.507 0.493 0.506 0.507 0.518 0.451 0.802 0.351 0.552 0.094 5 0.505 0.520 0.555 0.542 0.603 0.667 0.639 0.567 0.492 0.502 0.446 0.466 0.478 0.487 0.480 0.490 0.516 0.513 0.'473 0.492 0.498 0.508 0.508 0.446 0.667 0.221 0.519 0.055 Min 0.505 0.519 0.533 0.542 0.603 0.637 0.667 0.639 0.567 0.492 0.502 0.446 0.461 0.477 0.487 0.480 0.490 0.501 0.504 0.473 0.492 0.498 0.507 0.508 Max 0.547 0.663 0.667 0.682 0.684 0.637 0.785 0.802 0.882 0.828 0.647 0.542 0.497 0.523 0.525 0.519 0.530 0.532 0.538 0.518 0.535 0.530 0.521 0.532 Del 0.042 0.144 0.134 0.140 0.081 0.000 0.118 0.163 0.315 0.336 0.145 0.096 0.036 0.046 0.038 0.039 0.040 0.031 0.034 0.045 0.043 0.032 0.014 0.024 Ave 0.522 0.552 0.585 0.607 0.644 0.637 0.726 0.721 0.701 0.624 0.550 0.480 0.476 0.492 0.504 0.506 0.517 0.517 0.520 0.505 0.509 0.512 0.513 0.520 Dev 0.017 0.062 0.056 0.071 0.057 0.000 0.083 0.115 0.163 0.148 0.058 0.040 0.017 0.021 0.014 0.016 0.016 0.011 0.013 0.018 0.019 0.012 0.007 0 009 SECTION
SUMMARY
Minimum Thickness = 0.446 Mmimum at 5.L Maximum Thickness = 0.882 Maximum at 3.1 Delta = 0.434 Average Thickness = 0.541 Sta.talani Deviation = 0.077 l
EROSION /CORROS10N ULTRASONIC CALIBRATION DATA SHEET COMPONENT DESCRIPKON COMPONENT IDENTIFICATION SYSTEM 502Jwr W; ATEA b " l~t4 b LAP OD9-O/0A EXAMINATION PURPOSE AWO NUMBER - INITIAL O REINSPECTION O BASELINE O MAP C3 VERIFICATION O fif/ _ py. g y o 7 '. ~ A[A EXAMINATION TYPE PHOTO A/ ff l FRAME GRID INTERSECTS EEL SCAN BETWEEN GRIDS O SCAN ONLY O DISK .875 of T_ N/A / LINE NUMJ3ER DIAM ER T_ / A)//} AI/A GRID MATRfX COMP. l.D. / COMP. l.D. COMP. LD. / COMP.1.D. / COMP.l.D/ GRID PARAMETER / ./ / >f / .t / SIZE /YS A l-U.3 ) '$I ?!3 f* fl'" ~ l4 g g N g yggy COMPONENT TEMPERATURE SURFACE PAINTED D AVG. COATING TH1CKNESS: d/,+ >125'F gis'l No O Yes TEMP: Al
- F UNPAINTED S-X 3htii -
/4 mil (COATING FA' TOR) C COMMENTS / SKETCH ~ SEE jhTMcHED heGwq INSTRUMENT TOLERANCE 8.60 / CAllBRATION TOLERANCE
- d. 000 INSTRUMENT bN CAL STANDARD (S) SN: 65~- 4 Il 7 MFG /MODEL:: % DL b5 SN: h/63f/>oS SN:
AJ/A MATL: d340 k5 TRANSDMCER MFG. H9A//7 SN: 7/J4[ SIZE: /). 2 FREQUENCY: 7fM//2. TYPE: 3dAC. COUPLANT BATCH 9.382o Al MRIR: M4 - Ill-i CAL STANDARD THICKNESS l INSTRUMENT READING f CAllBRATION CHECKS u!N. uAx. ulN. uAx. O. /oo
- 6. 5bo 0./00 4.5'00 inwal Cal.
/g 50 l y-I Intermediate Cal [ jf [ g Intermediate Cal [ /f A Intermediate Cal l Intermediat's Cal [ 0,/Oo
- 0. 50 O Q./00 Q. b O O Final cal
/ 70 5 ~ GRID AND DATA VERIFIE AS CORRECT /O[ EXAMINER '4m AEVEL: DATE: LEVEL: ph REVI9NER[ -r DATE: /o fr NU-UT-30 Page 1 or 3 Rev.; 9 uw=run
NU GRID DATA 10/05/1994 16:03:40 PLANT NAME
- MILLSTONE PIAVT UNTT
- 1 IJME NAME
- 24*SW.6 COMPONENTNAME :029010B OUTAGE NAME : OCT 94 SEC110N
- Main Tram = 0.280. Tscreen = 0.084 A'
B C D E F G If I J K L M N O P Q R S T U Min Max Del Ave Dev i 0.298 0.275 0.241 0.250 0.297 0.298 0.278 0.250 0.251 0.289 0.287 0.254 0.256 0.298 0.282 0.261 0.286 0.272 0 303 0.287 0.293 0.241 0 303 0.062 0.276 0.020 2 0.290 0.298 0.275 0.292 0.319 0.334 0.271 0.277 0.246 0.254 0.265 0.253 0.253 0.261 0.260 0.267 0.276 0.273 0.289 0.288 0.292 0.246 0 334 0.088 0.278 0.022 3 0.318 0 321 0.355 0 332 0.409 0.429 0.359 0 361 0.322 0.317 0 304 0.319 0.285 0.316 0.324 0.326 0.307 0 349 0 357 0.347 0.344 0.285 0.429 0.144 0.338 0.034 Mm 0.290 0.27f 0.2410.250 0.297 0.298 0.2710.250 0.246 0.254 Cd65 0 253 0.253 0.2610.260 0.2610.276 0.272 0.289 0.287 0.292 Max 0.318 03210.355 0332 0.409 0.429 0.359 0.3610.322 0317 C 304 0.319 0.285 0.316 0.324 0326 0.307 0.349 0357 0347 0.344 Del 0.028 0.046 0.114 0.082 0.112 0.131 0.088 0.111 0.076 0.063 0.039 0.066 0.032 0.055 0.064 0.065 0.031 0.077 0.068 0.060 0.052 Ave 0.302 0.298 0.290 0.291 0 342 0 354 0 303 0.2 % 0.273 0.287 0.285 0.275 0.265 0.292 0.289 0.285 0.290 0.298 0.316 0.307 0.310 Dec 0.014 0.023 0.059 0.041 0 059 0.068 0.049 0.058 0.043 0.032 0.020 0.038 0.018 0.028 0.033 0.036 0.016 0.044 0.036 0.034 0.030 SECTION
SUMMARY
Minimum 7hickness = 0.241 Minimum at 1.C Maximum 7hickness = 0.429 Maximum at 3.F Delta = 0.188 Average 'Ihickness = 0.297 Standan! Deviation = 0.039
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-.. _. _ _ _ _ _ ~ ~ ' CRAhER & LINDELL ENGINEERS NDT LABORATORY. RADIOGRAPHIC INSPECTION REPORT REPORT NO. PAGE ! of ! CLA.#.! ,URCMAst OPEG eduMtW.R C 4 LJC2 MAIBUt $/$$ eenscr tocanon om ce noconow 4tMa Af/4+'- /270 y I'fi"I /d 't-9'9' COMPONENT AND SPECIFICATION DATA conup*><nsmus d @g 8## &# O ,= 0 aoor O r.-. ffb YY ~lW' $l$'k W r.monam cesanun ASAff F wso oszy ir7-oop g TECHNIQUE DA11 "d'SA// "E ""'53- ~~'_+'T .##^" ~ o. .c. - O m,. IM 8 _-- /&49, n't o.,r.coew '^ a'a
== = ,u. m N o. ,o.. 7e dM .760 ./S/ <*. rsce topsg pf "y'_ _y; ". 7 5 '* -~ ~ . oce h /77[ M A g F G er186 Anussed t ThdE TEMP MANUAL A B C ? ? f/f5 Wh SOO w w,97f;<. VM,wMsfrw7MS ##'r ? i 5, 79 V4x WpS /Msc75< M@tS 'MM hh f$ lYf ffb Y [ 'u corp /gggs7/ss>/ $7# AkMs u ccMAs' ass 7d (8 G4/# r+2rxkaS f' "y "ps,y;f 79 g4,.W#A VffW {- ~ L r r Yb$Yk l /$, ~ INTERPRETATION DATA RADIOGRAPH RADIOGAAPH acap,
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e or esit ccaro.it a posrr LOCA110N Ape SIZE OF loomnCATioN LOCATION CDe CODE nm w=c wue ceam mA RUECT CONDmONS A*8 /AV/C Of/V ~~1 mesvirAswes/s/ / jffy ), f '" $~ P Sc/arr Mt ta G O-7' 4 0-K / i 8 ) I L-F f h$
- 3 J-A A&M
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- DitCONTP4JTY 1 Ptnemy e Crack 12 OutukseLhutured NAD. NO APPARENT DISCONTMATES CODE 2 shag kut 7 BenThrough 13 teghLow Ug OEOET7UCUNSHARPNESS (CIFtCLE RDECT 3 Tagueen put a Hanow pand 14 Low Cro n sFD. SOURCE TO Ft.M DE5TANCE 4
et Fetan 4 Concee Fhd 15 DropThrough SOD RJURCE TO OEUECT DISTANCE 6 of Penseruskm 10 Carmes Skiat 16 Whmhar OFD OlWECT TO FILM DISTANCE 11 Desde thuserad 17 Oak 1 mace (Rev. 9/91)
krncimenr s FIGURE 7.2 ) NONCONFORMANCE REPORT S-A-H-P-L-E SUBJECT UNIT / 1, IJ,l/ Delect L 99' 3W-4 NUMBER /?'l ~/01/o I ON SYSTEM M 't ' "1 WR/VE?OOR C0hP0 TENT LOCAT!ro > Se~. tea 4 Bea-321 T j Sounce DOCuwENr S0uRcE DocuseNT GD42-Qco/T LG. 3 /kLuai kbfec.bim iou'YSCO Nroql ' 4)oll dtSCCb In "lke We.lc 9 c*p.p c.p.,s w su-c. Man a UHIGINAIUH DATE i ) bf $40//cr to-4-9'f o^smemsg^gg,4yyptb a g 3 u,_ 4,p g 4, g^'y'ggg 2 _ SSE-AS-IS.__JEPAIR p%k JETUN SQuP ___.AD>d DISPOSITION DETAILS NN AFE PLANT H00IFICATIONS OR TDPDF%RY EPAIRS EQUIFED? [ 3 ) ENGIPEER DATE DISPOSITIOfE3 SuPV. UAlt UAE g gg, g g g j 4 MANAGER-TECH. SUPPORT 5 SUPERVISOR CATE AW i REMARKS: INSPECTION / VERIFICATION ____ SAT. UNSAT. N/A i 6 T 'NcR FEVIEWED Ato CLOSED DATE NE03.05 yeg57.2-t of 1
. Northeast Utilities System Memo i October 20,1994 MP1-TS-94-520 TO: Sima Frolov Design Engineering FROM: T. E. Davis /7 Technical Support - Engineering Programs
SUBJECT:
Service Water Piping Line 24"SW-6 Ultrasonic and radiographic examinations were performed on the service water piping line # 24"SW-6. These examinations were completed to meet the requirements of GL-90-05 for the leak identified on NCR # 194-1040. GL-90-05 requires the examination of five additional areas similar to the area / geometry of the area where the leak was identified. The results of the examinations are attached. All components were examinad to the fu!'est extent practical. The configuration r ;eometry of the areas selected 6 not lend themselves to radiography. The radiography was performed to cover areas whcre the ultrasonic examination coverage was limited (beneath the weld) and shou'a be considered a "best effort" examination. The overall results did not identify degraded areas similar to the. degradation found in component # 029010A. One area, component # 029001B, which is currently a part of the monitoring program, did show signs of additional degradation (via radiography) and will be investigated further. If there are any questions or additionalinformation needed, contact me at x-4799. J. M. Quinn % cc: W.J.Bn,ggs R. B. Sholler D. S. Cleary P.C.Godha
4 g e 0 ( x a 1 m M.. n. k 4 _j D D f' 9 7 aQ }J AQ R 6 1; .M .I qy W o &N 1 ,C 4D G i p 9 -3 9 g t G !v O P / O 'i m \\ ., s. ~ , t. c 4 O ( 5 7. / d i l i. A O '^ '. ) D / C ~ / o C e 0~ s' 3 d 6( s 0 h 2 i 1 s s o m a ge e 1 k g -d x S %* / ? "h [ ;[ s S --j o .a n '2 T o i Mt ft ab C O os v l
.s m, CRAMER & LINDELL ENGINEERS NDT LABORATORY RADIOGRAPHIC INSPECTION REPORT REPORT NO. PAGE Of cLQptr PUMLAWiE CMAR DA> Metr C & L job pe.MBER JV4/ 9h/X0,PW ps iWEC, LocAT M DATE OP RAccoGAteHV 19/Va s W 9f'~ /s 7s 2 MPE /0- /V M COMPONENT AND SPECIFICATION DATA ca use.wiestew ,m ornun avaan or wrume D 'A'i f tK_f60 o ~~ o~ ~* o "*' o "' ~ o ' ~' ~ .mo _, c.- .m,,ms, 8 GL .p.x' /1 9 # f . SCO'sw ^ EAAmeeAirm SPtcElcAfKm ACCEPTANT.2 8 CLAS6 WT PRoCf. DUPE flLY $WS V W /##4 OM$/ AfG02' r; TECHNIQUE DATA / mrm o ou m., o m. y -r o coc m cw.o cor-rw.m o .ou,,ce.a o o.aC,o. .o, o c., s.oc 4, .ce-ms. b "oc,a, EemsuS Zd racwr#_N curu 2 d6 ~'~~ W un woo or, .n a u, ww rma g .w a 2 9,,
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- 0 BdM CDecS'1 0
Dele'v LOCATION AND SCI OF pgggpq p...'< fcn LDcatioN cac CODE Pus wwec wwec ops'y ama REKCf CONom0NS h Db hsf b & COsOOSEO GA AAMMW &M MK pen )rofes M d'.sv &ws. e mix s-rs Of(L G//I?%f n Cp/4xg&Us'7 WsMAf& f du &
- 2 4 1W W c'e b 7
s e i 10 l l$~ /? YV ./ -~' f_ fo 7 Y .wtm a uNocu racs*wcwv tan oars r CuENT afverwEn ' OArt
- DtSCONT1tANTY 1 Furosay 6 Crac6 12 Outsase t>owtut is D - edO APPARf NT OtSCONTINUITIES CCDE 2sinowo 7 Bum Through 13 Hgh Low Up CEOMETRC UNSHARPNESS (CIRCLE REJECT 8TNh'n ett a Hono. s o 14 Lo C,onn sFD SOURCE TO ALM D6TANCE mg 4 Lack cd Fumon 0 Concave Root 15 Drop Through SOD SOURCE TO 08KCT DLSTANCE S Lam of Fwwirenan 10 Corwen Hoot 16 Wheka OFV OBECT TO FILM DtSTANCE l
11 twde Undercut 17 Omdanon (Rev 991)
CRAMER & LINDELL ENGINEERS NDT LABORATORY RADIOGRAPHIC INSPECTION REPORT REPORT NO. PAGF / of I i (LAN1 ,UO1ME o Ota,AMBE R c 4 L Joe,ANREa /Vf/ VV0/YEV ewei touno,. o n o, po.m-v /).WG /Y/-79 /47/ 7 /W-[ /67-/5' VV' COMPONENT AND SPECIFICATION DATA wupowwus<sim rm or weu) er.ce o, wetomo a.<w a wm a. O wxr D mouwm Wm y y '/pff &..e=~fg7 = m-oacw.m oco.o w.c-se tw-se a os mo,*uss .nm p 7.S [00 .0 37 " ///g?ff" ' .550 "fff ._no umno,. .cm ,.,o.ro. c- ,o //}NA Y //yf0 O A' V) y A7-POJ g ) TECHNtOUE QATA ) uum a u-~ a-,- u,. scum a eoe no,. wouato osv.-n tw sos O enuaca see O "~~ ^ cm inacro.ums o o cm e s.acasi scyu.wrea se 8 '*"o' s, Os",I Fe% raourM er.cra_z uca/sc un soo oro roca nza i ue ru rvessi r w ser gwa }V,
- 93. V
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B C gy S G (,&,y,,fygpSysM M/T MD N W } ft o (' J.-. _m 'h E F. k._ Of_- O~. ~ INTERPRETATION DATA fuOOGsWH RADOGAAPH "O
- D6CONTWW e cr s<d cowost o
wwrv LOCATION AND SGI OF gg, uc? un REP N C2N'InCAT)ON LOCATne cac CODE ,u mc wasc DDerv AEA MCT N op Tomo __4 4-C 6#7/f6(}/df}! 2-ei ens &c-n /9fbEA'b 70 isf op ws2A' ore ekdW eaww s /~G h/dn /](/7/l y-u wa Maw w el-/G by//dr' }} 5 "/M7# I e Y_,,*l *b $A f_[VWAeC#$> D / tr1n_Z/k/S//Na]GA9Y \\l .s Or hs I @ldf ts-/r-fr j - rh, 14hv MtR & Lhl4LL ltJeveCwt LEVEL DATE CUENT PEVl EWER DATE '
- DISCONilNUITY 1 Fbnw8ty 6 Crac*
12 Outade UnonrciA NAD P40 APPARENT D6CO,mHUmES CODE .7 SagInd. 7 Burn Thrtnigh 13 High Lo. Up GEOMETRsC UNSHAAPNESS ) (CIRCLE REJECT 3 fungeon hi e >=e Bad 14 Low Crown SQ SOURCE TO N4 D6TANCE 4 Las d Fwori 9 Concan Ftxt 15 Drte Through SOD - SOURCE TO OBJECT D6TANCE m) 5 La* d F%nstratann 10 Conven Fkxs 16 Wh.ekar OFD OEUECT TO FILM D6TANCE 11 heen UnooraA 17 Omdation
l \\ l ~ l CRAMER & LINDELL ENGINEERS NDT LABORATORY ,/ RADIOGRAPHIC INSPECTION REPORT REPORT NO. PAGF Of c., u, --.--a c. -. i $Y Vffl56*h PsickECT LOCAricM DATE Or aADIOO8W9ff AWa sw-99'-/.77n A1Af to -/YF9' COMPONENT AND SPECIFICATION DATA cusoutu m srau rm cvwuo svaos Or wruno { p p g ffy' O.e. O arrani n. O noot O wrammari Or j mraw Tm s.<am waa rm Am.m.,cmutur a coo r>< mass twmss ance wuo mxxsa $ W ) *~ em cruaric,oro. acctrwce sto ctAss av e.ocaouse sev /l ll / V f V //YF O' &#/y H.c10.2 d TECHNIQUE DATA 71rm uni - ru. u.riu emusvry Otcurou arc mo ' oevanno tw see O souace aos O l ~ @ BELICTION BAMD ON O ON 9MM SpBLOcausi [ SC7EN THOWES$ 8:1. .r fa w-c ac ~ si n. s om. os o. roca nur u, su rviusi .o rw ru sa p . / $l CON }&WM M 3 6 "- 9. 6 ' i av m ctus exe van u naccess.o
==m eaocts, a.cana,w ric ats g/ TsAE g/ TEndP [ [ A B rG er ASS Anamed g A B C G '): og ) ~ fD/ E F l 9 9 o4 O E-O_- e INTERPRETATION DATA j RADIOGRAPH RADOGRAPH ap, UCf W sm=2 "DtSCONTNUITY e or was crest a wurv LOCADON AND SCE OF REWRC E(NTIFICATION LOCAroN N CODE 'L8
- G sf**G Dmrv m
REJECT CONDfTIONS Vk b w se m a hv= fMbSarh)Cb)k_ps/p>r. &0 I &&&_EWA N p)m cewssis-; a j t [ 7 8 l 10 C%KlR & LitOELL TE GAN LEWL DATE '/- 5 jO~ ,E $Y CLgNT REMEWER
- DISCONT?NUITY 1 Poroney e Crack 17 OuM1. Undercut NAD-NO APPAREPff DtSCONTINUIT'LS CCDE 2 si.e ar=1 Y sum Termgh 13 High Lo.
Up GEOMETRIC LNSHARPNESS j $IRCLE REJECT 3 Teton W1 eteno.p o 14 Low Crown sto. SOURCE TO FILM D6TANCE 4 Laca of Fm 9 Concave Root 15 Drte Thrwgh SOD SOURCE TO DEUECT DISTANCE COND W 6 Lar* cf kneenstenn to Conwes Rocs 16 Whiskar OFD OBJECT TO FILM DtSTANCE 11 heads tedercut 17 Oakdstion (Rev. 941)
EROSICN/CORRCSiCN ULTRASCfUC CAL:SRATiCN DATA SHE T I ksft 1 1 COMPCNENT !OENT.F7AfiCN COMPCNENT DESCR!'TiCN 00f-C/0 C C-/ ,\\ 5'(STEM SbOO Nb !j $tyV6' All22 l l AWC NUM3 -- T '# ~' ?- N l EXAMINATiCN PtJPPOSE
- taTIAL 0 RE NSPECT CN O EASEUNE G MAP E VER:FIC AT:CN O gg l
' M//-75-/.f9 p f PHOTO GRID INTERSECTS 5 SCAN SETWEEN GRICS O SCAN ONLY C D:SK FA.AME // 4 l rXAMINATiCN TYPE UNE NUMBER Cf A Mt TER T,, .37347, ~ .: 2E 375 2 f . Q - {; }f GRID MATRIX CCMP. LD. COMP. ! D. CCMP. LD. OCMP. l.C. COMP. !.D Ggjo s;CE ', 8nY-ef/dM PARAMETER IV V. N / A g MAIN g E R%NCH g I (~ a EX i SECTICN EX~.2 Ari-iof-- k / ~ IJ4, SURrACE PA:NTED !5 Av3. COATr:3 TH:C:c.Ess: COMPCNENT TEMFERATURE > 25'F M No C Yes TEMP: ? UNPA NTED E X 3 ml - /9 mi(CC AT!NG CACTCR) I C C w.'E nis. S ec =~ CH j 5W FTTACHEth lN f ^ %)/ W ^ y l 6 i I I. i i r i l I i i iT~CLE?ANCE [.[6/ CAL: ERAT CN CLERANCE [.[0D l f f 'NSTRU f f !NST?tMENT OA C;.L STANCAF:;5) EN: 9/-Mf8 YA~L;I340 N f ).lFGAfCC d: 26 II. hb SN: f/[M[d8___ SN: A>/ 4 f l M h*4 7 PE: h 4( l 7pANSCqCER VFG. f'A N A SN: [$0// Size: 63/2 FRECUENCY: l CCUPL+NT EATCH : f3h*/O A) V RiR: h d-///-/ . STRUVENT CEAC:NG f CAL:EPAT:CN C.-ECKS l l l CAL STANCARc TH:C:< NESS l N l uiN. l .! Ax. l u N. l uAx. l! h 0 ESD \\ l 000 l C. 270 l 0.'7 50 l innial Cal. I /620 l j [l l /l Intermeisto Cat l [l , j l,/ l ), / l inwmmiate Cai. l ,, / I AM l [A l intermeiste Cal. l [A [ l / l l rntermwizte Cat l/
- . 2 3'O
{ /.000 l C. 252) l 6.750 l rnal Cal. l /434 GRID AND CATA VERIFic y "CRRECT EXAM:NES. / LEVEL: [ L. CATE: /O- / 7 j7g otrE ,,,,(,,4-nEviewER.' "9 El LEvEu y nav. \\ N u-UT-30 AnCcnmw 1 Page 1cta_ I mu, I
CU GRID DATA 10/18/1994 15:41:16 PLANT NAME
- MILLSTONE PLANT UNrr
- 1 LINE NAME
- 24*SW4 COMPONENT NAME : 029010CCI OITTAGE NAME : OCT 94 SECTION
- Main Tnom = 0.375. Tscreen = 0.328 A
B C D E F G II I 3 K L M N O P Q R S T U V W Mm Mas Del Ave Dev i 0.577 0.562 0.5610.558 0.543 0.5510.546 0.547 0.553 0.55',0.554 0.544 0.487 0.515 0.529 0.534 0.532 0.539 0.522 0 548 0.568 E550 0 556 0.487 0.577 0.090 0.545 0 019 2 0.548 0 544 0.5510350 0.543 0.548 0.547 0.557 0.555 0.549 0.540 0.538 0.549 0.539 0.530 0.537 0 537 0.516 0.524 0.533 R548 0.542 0 545 0.516 0.557 0 M10.542 0.010 3 0.533 0.540 0.5410 543 0.5410.535 0.552 0.552 0.549 0 533 0.545 0.547 0.549 0 540 0.528 0 530 0,527 0.526 0.524 0.524 0.5a 0.5310.531 S 524 0.552 0.028 0.538 0 009 4 0 529 0.534 0.530 0 542 0.54I 0.534 0.560 0.540 0.550 J.540 0.54I 0.557 0.544 0.538 0.526 0.506 0.5310.523 0.5210.532 0.5410.526 0.529 0.506 R560 0.054 0.535 0.012 'i 0.530 0.530 0.526 0.538 0.549 0.565 0.5510.536 0.530 0.535 0.546 0.563 0.544 0.5410.524 0.504 0.508 0.524 0.525 0.535 0.538 0.523 0.223 0.504 0.5tC; 0.0610.534 0.015 6 0.519 0 510 0.523 0.538 0 552 0.540 0.555 0.540 0.527 0.533 0.5410.555 0.5510.546 0.529 0.5110.504 0.512 0.528 0 539 0.534 0.517 0.516 ti.5M 0.555 0.0510.532 0.015 n 0.519 0.530 0.523 0.538 0.541 0 534 0.546 0.536 0.527 0.533 0.540 0.538 0.487 0.515 0.524 0.504 0.504 0.512 0.521 0.524 0.534 0.517 0,516 x 0.577 0.552 0.5610.558 0.552 0.565 0.5N) 0.557 0.555 0.555 0.554 0.363 0.5510.546 0.530 0.537 0 537 0.539 0.528 0.548 0.568 0.550 0.556 0.058 0.032 0 038 0.020 0.011 0 031 0.014 0.021 0.028 0.022 0.014 0 025 0 064 0.031 0.006 0 033 0.033 0.027 0 007 0 024 0.034 0.033 0.040 ve 0 539 0 540 0 5D 0 545 0.545 0.546 0.552 0.545 0.544 0.5410.545 0.5510.537 0.537 0.528 0.520 0.523 0.523 0.524 0.535 0.546 0.532 0.534 v 0.0210 012 0.015 0 M8 0 005 0.012 0.005 0.003 0.012 0.009 0.005 0.009 0 025 0.0110.002 0.015 0.014 0.009 0.002 0 008 0.012 0.012 0.015 sECTION
SUMMARY
Mmimum 1hkkness = 0.487 Mmimum at I.M R3smimum Thickness = 0 577 Maximum at 1,A Delta = 0.090 Average Thkkness = 0.538 itandard Denaton = 0.014 l l
n e 1" 6 ? t-t e k h< Nf N I \\k-J- \\ N / \\ ,/
-,i-ERCSICNICCRRCS;CN ULTRASCMC CAUERATION C/sTA SHEE~ / CCMPCNENT lC E."M=2AT;CN suce LUkml COMPONENT DESCR;PT:CN& Aiv nP o.29-o/o est SYSTEM / AwoIUME- ~#' N ExAu:NAT;oN punPCSE tNiTIAL O RE:NSPECT:CN O EASEUNE G MAP R VER!FICAT;CN O g_p PHOTO ~.Mt-9s-13374 C/AMINATICN TYPE SCAN SET.VEEN GRICS O SCAN CNLY G CISK FAAME GRID INTERSECTS d 375 cf T, LINE NUMBER CIAMETE3 7 2Yf 21 " 50 - t. p .250 i GRIO MATRIX C O M P. l.D. COMP. I.O. COMP. i.D. COMP. LD. / C O M P,1.D. / G gj0 / 5;zE 6d9-6 /of FARAMETER M M MAIN N B~ t4
- X". 1 SECTICN EX~. '
TG'. N A/- u){ _ r1/ - 4)5~ ~ SL'FFACE ?A:N-~ED 0 AVG. COATING T. !CMNESS: W CCMPCNENT TEMFE RATURE mJ (OC ATiNG. ACTCR) d No C Yes TEMP:4//s4"FUNPA!NTE D C X Omti > t 5 ' F
- CMvEsrScS< :s BEE VTrelC//b~f).b>t'H&Jiriq 1
r I l I. l l l l i I
- 6. C O/
CAL: ERAT.CN TCLERANCE d.600 l :NSTRUMENT CLE?ANCE (N A> d.., CAL sTANDARC:5) sN: f/-H 76 V FGa.tC C EL:: 26 DL N0s SN-7/o3ft,of SN: w /s MAR: 4 5 4 o #/s insTRuvs47 f MFG. Thud SN: 2 930/4 si:E: 6.512 FRECusNCY: S cill/Ilz '^1 P E - DGAL i TRANSCUG:{ I CCUPVNT E ATCH.: $3870 A) MR:R: A94 - / // - / j l CAL STANCAno TH:C:< Ness j
- NSTRUMENT REACWG f
CAL:EF.AT:CN CH C.G l u:N. I
- .4 u.
I u:N. l uu. l l f.250 l /.000 l D. ? sT) l
- 0. 7 50 l In& Cat.
l /43s' I \\ l l /! l /l inumeist. Cat i [,l I af f l ,,l / l :nmmsciate Cat l y/ / l4 l /A l :nmmecizi. Cat l /A / l l/ j j rntermwiat Cat l/ $. 2Sb l f.opC l D. 2 50 l C.7sb l rnal Cat l /4 58 S CCRRECT f GRID AND CATA,VERIFQh LEVEL: 8/ DATE: /O-/ 7-9f EXAMINE y 4. V LEVEL: OA7. REVIEW R-II NU. UT.30 Anachrnent 1 Rev. 9 j FaceIci3 w r a,
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NU a.-- GRID DATA 10/13/1994 15:39:11 PLANT NAME
- MILLSTONE PLANT UNIT
- 1 1.JME NA ME
- 24"SW4 COMPONENT NAME : 029010CC2 OUTAGE NAME : OCT 94 SECTION
- Main imm = 0.280. Tscreen = 0.245 A
B C D E F G 11 I J K L M N O P Q R S T U V W Min Max Del Ave Dev i 0.253 0.282 0.279 0.285 0.289 0.283 0.276 0.277 0.289 0.305 0.293 0 297 0.299 0.312 0.325 0.330 0.119 0.322 0.303 0.309 0.308 0.297 0.291 0.276 0.330 0.054 0.298 0.016 2 0.228 0.287 0.287 0.279 0.272 0.278 0.278 0.275 0.294 0.293 0.294 0.288 0.302 0.311 0.320 0.338 0.322 0.321 0.321 0.314 0.312 0.306 0.312 0.272 0 338 0 066 0.300 0.018 3 0.304 0.290 0.290 0.287 0.280 0.280 0.275 0.276 0.299 0.299 0.293 0.283 0.298 0.311 0.325 0.332 0.331 0.322 0.318 0.318 0.318 0.308 0.298 0.275 0.332 0.057 0.302 0.018 4 0.3C0 0.297 0.298 0.298 0.292 0.283 0.267 0.277 0.286 0.285 0.286 0.289 0.294 0.305 0.317 0.337 0.326 0.316 0.325 0.324 0.327 0.319 0.315 0.267 0 337 0.070 0.303 0.019 5 0.279 0.289 0.295 0.278 0.273 0.267 0.332 0.342 0.267 0.342 0.075 0.294 0.028 Mm 0.238 0.282 0.279 0.279 0.272 0.278 0.267 0.275 0.279 0.285 0.286 0.278 0.273 0.267 0.317 0.330 0.319 0.316 0.303 0.309 0.308 0.297 0.291 Max 0.304 0.297 0.298.2.298 0.292 0.283 0.278 0.277 0.299 0.305 0.295 0.297 0.302 0.313 0.332 0.342 0.331 0.322 0.325 0.324 0.327 0.319 0.315 Del 0.016 0.015 0.019 1 019 0.020 0.005 0.011 0.002 0.020 0.020 0 009 0.019 0.029 0 046 0.015 0.012 0.012 0.006 0.022 0.015 0.019 0.022 0.024 Ave 0.2 % 0.289 0.289 0.2s7 0.283 0.281 0.274 0.276 0.289 0.294 0.292 0.287 0.293 0.302 0 324 0.336 0.325 0.320 0.317 0.316 0.316 0.308 0.304 Dev 0 CD8 0.006 0.008 0 008 0 009 0.002 0.005 0.0010.008 0.008 0.004 0.007 0.012 0.020 0 006 0.005 0 005 0.003 0.010 0.006 0 008 0 009 0.011 SECTION
SUMMARY
Mimmum ThxLness = 0.267 Mimmum at 4,G Mstimum 7hskness = 0.342 Maximum at 5.P Detta = 0.075 Average Thickness = 0.300 Startlan1 Deviation = 0 018
EROS;CNICCRRCS;CN ULTRASONIC CAliGRAT!CN DATA SHE.:T COMPCNENT IDENT.. !CATiCN SYSTEM CCMP NENT CESCRIPTICN m A Act Y S W L_1 %1 AWO NUMgEq j EXAMINATICN PUPPOSE INITIAL O RE:NSPECT:CN - SASELINE C MAP G VERIFiCATICN O {, PHOTO ' FriAME EXAV:NATICN TYPE, j. GRIO INTERSECTS SV SCAN BETWEEN GRlCS C SCAN ONLY C CISK A LINE NUMBCR Of AY TER T,, .S75 cf T_
- (
[h M' Z .57 5 . Ef; I O. CCMP LD' GRID ti/b O2944 L1/o COMP./A u/4 5:zE o GRID MATA X CCMP l.D. C C M P. f.O. COMP l.O. L1 i ( PARAMETER 1 i MAIN EXT.1 c ECTICN E'<T. 2 EXT.3 ERAN"H Mi NL a/a Ai % u/4 ra/A _p /A LTr! h VG. COATING THbXNESS: u/o l ' 3URFACE PA NTED XOmil-d[A mg (CC ATING.: A'OTC R) COMPCNENT TEMPERATURE >i25'F YNo C Yes TEMP: 'F UNPAINTED C 'b b SN M N '#/M/ J Po0_ C.T MC CC VM ENTS/3M SCH i 1 '/O28005 i W i> i j l I (7 I I Ili i+ 4+4 C. hl j TAtx c% ! ;l
- kW F;
l l - -9 O2% A } { CAL:EFATICN TCLERANCE .000 l i pMisiiL*e-INSTRUMENT TCLE:ANCE.QOC CAL STANOARC(S) SN: kt/d uATL:d3do STa lhTRUMENT h4NE'FlC3 SN:9i-6tFi SNO\\o@O 8 \\ MFG,MCOEL: jL DLrLW MFG.h._1fj@fd SN:DH l-RfA SIZE:,3)2 RECUENCY: 50 WP E: OtJ/sL insn CuCER uR:a: K44-i i t-t CCuPtauT sATCH :%92 ou __ l CAL. sTAncARo Ts:CxnEss l lNsTRuMENT sEAc:No l CAuEP AT:CN CsECxs min. l
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l M:N. [ Mu. j \\ . 2 '3 0 l t. coa l,-pasa l \\.c o o lInsalCaL \\ \\ FOS l /) /l /l /j iniermwiate Cai. l /l \\ J/ \\ d/ l J/ l d/ l totermaiate Cal. l J/ /^ /A /A l [A l IntermMiate Cat l [A / / / l l IntermMiate Cal ll .R50 l 1. ooc ,250 I\\occ l Final Cal l \\[jd$ GRIDAND VEr !F 0 AS CCRRECT DATE:\\O-\\d4 }1 V LEVEL:'fL.L-f EXAM!NER: -mf OATE. u ff /'/ E. \\ - L EVEL: /- L M-REVIEWER: NU-UT-30 Rev.: 9 Pcge 1ot3 l w..-xa, ~~.-_________._._______-_______m___,____m h-
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ERCSfCN/CC ARCSiCN ULTRASCNIC CAL:ERATION CATA SHEET y rb CCMPCN ENT IOEbTS(c'C CCMPCNENT DESCRIPTiCN 2ile e uc,c>onm l a e oegccb AeA SYSTEM I d AWC NUMEER g INITIAL 0 REiNSPECTICN BASELINE O MAP G VERIFICATICN O yj.Q,\\35Gg EXAutNATICN PURPOSE PHOTO-EXAMINATICN TYPE SCAN ONLY O DISK /g 'FMAME /g GRIO INTERSECTS [ SCMJ B!' TWEEN GRIOS O L!NE NUMBER OfAM ] R T_ .575 of T_ Z4su 6 2'/a COMP. L D. CCMP 1.D. GRID OMCOb COM P[o!.O. U/d U, C Cf.'4 P D. COMP. l.O SCE GRIO MATRIX u M g 1 f PARAMETER t g-MAIN EXT.3 BRAf'^H ArWz 24 A5 TICN97EXT @.' 4 4 EXT.1 ' SURFACE ?AINTED I AVG. CCATING THfCXNESS:A CCMOONEFIT TEMPERA URE A mil (CCATING FACTCR) e125'F WNo O Yes TEMP: 'F UNPA!NTED 0 X Sm,I - t ( (p,rs 1 C C'.iM E NT S.S K ETC H D ..W i f+ t & curt %9J.5 N $OE %es 1 !NSTRUMENT TCLE ANCE. @ CAL:EFAT!CN TCLERANCE ,O'O O l r CAL STANDARC(S) SN: b.1/A _ NA3 $9L_ INSTRUMENT kdfNap3C.:5 IdFG,MCOEL;: n.3 g2)$ SN: to3ddO6 SN @- @ _Q MA~L: l FRECUENCYd O TYP E:_WC TPANSCUCER MFG (fAA.k[ Q W SNQ%@ SlZE:g Di2 l MRIA: b \\\\l-\\ COUPLANT BAkCH :$$ @ota l CAL STANO ARD THICKNESS l INSTRUMENT REACING l CAL!EP ATlCN CHECKS l 'iAX. l .'.i ! N. l VAX. f l u!N. initial Cat l \\% O ,200 lbooo l~260 l \\ mo /l /l /l [f intermediate Cat l [ d f d d l tj l Intermediate Cal l d [A l [A [O l [A Intermediate Cat l A [ [ [ [ l Intermediate Cal ,250 l t oo.:> l,' N l \\, coa l Final Cal lh6l\\ GRIOAND . A* VF h.' D AS CCARECT LEVEL I k DATE: \\o-\\d - EXAMINER:' A EVIEWER /-I LEVEL: We C AT E: ,fo / / // N U-UT-30 Arachment 1 Rev.: 9 Page 1 of 3 l mean
l 4 NU GRID DATA 10/18/1994 15:47:28 PLANT NAME
- MILLSTONE PLANT UNIT
- 1 LINE NAME
- 24"SW-6 COMPONENT NAME : 029006AC2 OUTAGE NAME : OCT 94
$ECTION
- Main Tnom = 0.218, Tscreen = 0 065 A
B C D E F G H Mm Max Del Ave Dev 1 0.517 0.603 0.594 0.577 0 558 0 560 0.591 0.591 0.517 0.603 0.086 0.574 0.028 2 0.454 0.541 0.544 0.560 0.552 0.448 0.448 0.559 0.448 0.560 0.112 0.513 0.053 Min 0.454 0.541 0.544 0.560 0.552 0.448 0.448 0.559 Mas 0.517 0.603 0.594 0.577 0.558 0.560 0.591 0.591 - Del 0.063 0.062 0.050 0 017 0.006 0.112 0.143 0.032 Ave 0.486 0.572 0.569 0.569 0.555 0.504 0.520 0.575 Dev 0.045 0.044 0.035 0.012 0 004 0.079 0.101 0.023 SECTION
SUMMARY
Mmimum Thickness = 0.448 Mmimum at 2,F Maximum Thickness = 0.603 Maximum at 1.B Delta = 0.155 Average Thickness = 0.544 Standard Deviation = 0 051 l
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.m E CRAMER & LINDELL ENGINEERS NDT LABORATORY RADIOGRAPHIC INSPECDON REPORT REPORT NO. PAGF / I Of cuwe PuuAst rua eudeEn C e L.us neEn PnOR CT LOCATION DATI DF hADecciAAPHY i h.WY 8/~W"/NGV kk l0 ~/V'Yf COMPONENT AND SPECIFICATION DATA compoNungygTtw TM OF WELD STAGE OF WEQING 3 S ~ MpocM//M D ~ D "c'~' D "oc' D ""ca==m D '~ mitsnAL Tm aswod wp(A YHm. Awl nEn*ost.4 MENT aACxmo neou<ss TNootse RANGE WELD PROCLSS Y5 2/e . E r/su7 i esf r EmAme AnoNertcascAnoN ACCEPTANC2 STD. CLASS RT PROC &DM MV. /?S/*7f f /#M G's14 V A'I' 00;? x TECHNIQUE DATV ~ u tvet u otmourioN u wrtinAL sr.Nanivrry o Locamm EUtaED OSTAsNED FW SOE O souncE soE O u SELECTION aAsto ces o ON meAsweLOC=s } scplN DGCMESS O ourT
- Tt8maLAND 102 raour A # et='Est " nacd/29 O eLoous nacr><sses m.o aso too osa p
socat siza uo ram Trims: No su N Fu saE 6 . /W p a r /1 % 3 0. fr. & stV auf CUFuE8 EXP TIME MPROC MANUAL PROCESS RADeOC.RAPH TECHPeQUE [gfp g/g TEMP (( ungyng NE A 3 F G m RS$ Anacted A B C G n o J v [f/ E F M 9 WA O E-o INTERPRETATION DATA a f su.acT ccwortl o RADIOGRAPH RADIOG8W'M un 88G
- DISCONTNUITY
' 0' scd tre LOCAT)ON AND SCE OF REMARKS OENTIF) CAT)ON LOCA O cose CODE 'W
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" DISCONTINUITY 1 Porceny e Cam
- 12 Ovineos Undweul NAD NO APPAREPU DISCONTWUmES CODE 2 siao ks 7 se Throup 13 begh Low Ug CEOMETRIC Ut4*HARPNESS lonCLE REJECT a Te inct e Haao.s ms 14 Low C,o.n SFD SOURCE TO Fue DISTANCE gq 4 Lact of Fouun 9 Conarwe Rotw 15 Drop Through SOD SOURCE TO OBJECT DISTANCE S La* ce pwnstraten 10 Cmwes Roce 16 Whsekw OrD - OEUECT TO Fud DtSTANCE 1
11 hade thosecut 17 Oxidation e emn
l s EROSICN/CCARCSiCN ULTRASCNIC CAL: ERAT!CN DATA SHEET COMPCNENT lOENTlFIC ATiCN CCMFCNENT DESCR!FTiCN $\\L.1 NOO2. 69 - O%CC)\\ b SYSTEM AWO NUMEER INITIAL 0 ' RE!NSPECTICN SASELINE D MAP O VER!FICATiCN O ,g g EXAMINATION PURPOSE P H OTO_. GRID INTERSECTS GT SCAN SET,VEEN GRICS O SCAN CNLY O C SK, /g 'FMAME EYAM!NATICN TYPE j. / L!NE NUMBER DI A! (ETE R T,., .375cfT_ afse 6 24" 5t5 .326 GRfD MATRIX CCMP LD. LCM P. l.D. COMP LD. COMP.J.D. COMP LD. GRID tjo ScE ti/4 MCO I ( - MA u/A t i 1 PARAMETER t I t MA!N ERANrH AA EXT, /4 AA EXT. /a E'C. 34 m/o 1 S ~ CTICN 2 m c VG. CC AT NG THbKNESS: tjg h ' SURFACE PA! TED > 12 5'F OVbo O Yes TEMP-
- F UNPA!NTED 0
X Omel _u b mg(CCAT:NG CACidR} CCMFCNENT TE'.iFERATURE 3zo ( I e n s.u...,. = u.,. e.n.x. -- s .=;v dae45 LS l >> f 3 f, Mid [ ( ri l 48' llc l I [p [ 2 5 f fI E ( I [ .l _ ( f (R l __g-SEE L)T rX@.QQ25- @ T;r:L_GJ l( l I ANCE,O O o CAL' ERAT:CN TCLERANCE.o00 !NST..UMENT TCLE: C CAL STANDARD (S) $N: u/A SN:%4fMM MA~'L: k**NO NEEL INSTRUMENT _ hggyd< $ SNb \\ t>34dO13> i \\ MFGAiCCEL ik CL/1v5 FR EUENCY:$, O _ W:E D)Al._. TRANEOUCER VFG.j_dg$ SNO1912M SEE: 6\\2. l MRIP: M2 i ti- \\ COUFLANT SAkCH : %NONJ _ CAL STANC A D THCXNE55 l
- NSTRUMENT REAC
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CAL! SPAT!CN CHECXS l l wN. l uAx. ( l l! vn l u x. k In:ti^l C*l-h \\Th
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- ,3 z
- MILLSTONE PLANT UNIT
- I LINE NAME
- 24*SW.6 COMPONENT NAME : 029001C OUTAGE NAME : OCT 94 SECTION
- Main Tnom = 0.375. Tscreen = 0.113 l
SUMMARY
Minimum Thickness = 0 379 Minimum at 1.D Muimum Thickres = 0.632 Maximum at 4,0 Delta = 0 253 Averste Thickness = 0 451 Standard Devianon = 0.061 h -l s b i I
l E7CS:CN/CCRRCC;CN ULTRASONIC CAL!SRATiON CATA SHEET I CCMPCNENT iCENT;F:CATiCN COMPCNENT DE"riFTiCN C %I sysT EM b,.3 b %'2 D)CE 2 ,f AWO NUMEEFi EXAutNATiCN PUFFCSE Mtq5-t3594 ll INITIAL O RELadhECTiCNL' EASEL!NE G MAP O VE?tFfCAT;CN O i'l,f PHCTO CCAN EETWEEN GR:CS C SCAN CNLY C CtSK FRAME D'AMINATlCN TYpg } GRIO INTERSECTS- .u S cf T _ R l' l i CIAM ig L.qE NUMDER M SS1 b h ) , 216 i D. COMP 1.D. GRJD CCMP. Yb I C C M P l.O. u p SICE l ' C C M P 1. DI CCY P. !.O. CR!D YATRIX 3fA T ODI b O 9 i \\ s. PARAMET ER _3 i 1 MAIN ERAN H ='G. [A t.A EG.1 c = C TiCN =XT. 2 \\' "2. 11 A Mi M. u. ATbRE EUFFsCE PA:NTED F AVG. CO AT!NG T C:'N E SS: w.dA $ l r UNF A'NTED E X Col - B/A -d (COAT!NG FACTC ) ff CCM C.,Ev7TEMPE I 3: 5c da O yes TEu : Y %E @ O@'5d3' Eld-ioR CK. Afc'*o
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i '. f{ l h 0 0% ? h /u 6\\d 6#- + 'b ^% d C( Q y { 24 wa c.s n c. 4 0-d u S u-to f i Q f l ["p ,zt 1 s o fi r/1Y I ~ i l I 1 l . - : = --= - _h geu l C AL E R AT.CN ~CLE. ANCE . O OQ l w-- l "iSTRLVEN CL:: ANCE. coo %[4 l CAL STANCARC(5) SN: UAldYC %Yt?6L : NsT AL M E NT ([&,/;;yx $ EN 91-b/il@ l UFGNCCEL;:Sr3 Q EN$C5drdO6 j ) \\ t S:ZE r 312. CRECUENCY:N fFE'.b3DL-I raanrCt-rr VFG h h/,f, h_ $ SNCQM2A4 l MR:R:[k- \\ \\ h \\ f CCUPLANT EITCH.%d_N { CAL STANC ARO TNC:-:NE2s j N5T:<U. VENT A AC NG CAL:S A7.CN C -EC G l ! i ' f f l i i VM. i 'UN i < 25 0 l\\ooo l.25 0 I ( co o l '"" C 3' lb50 I' VN. l ' ' AX. [l [j [ [ intermeis:e Cat l [f a/ I a/ a/ \\ a/ \\ :c.c-i~ Cat I d/ ) /A l [^ l [A [A l tetermeciate Cat l [A [ [ }[ [ j Intermeciate Cat l[ .230 l \\.o c o I 25 0 l I,0 00 f F nal Cal l \\[-gd C TD :b ED AS CCRRECT l GRIO ANO. f / LE /ELI L-CATE:(O '/o [ t /f y' E'TAMINER 'c C ATE. AEVIEWEqh-r LEVEL: 3 4.- l NU-UT.30 Anachm a 1 , ev.: 5 Page 1 DI 3 l \\ w.u m
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