ML20121A119
| ML20121A119 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 04/30/2020 |
| From: | Mark D. Sartain Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 20-056 | |
| Download: ML20121A119 (100) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 April 30, 2020 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Serial No.:
NRA/ENC:
Docket No.:
License No.:
20-056 RO 50-338 NPF-4 VIRGINIA ELECTRIC AND POWER COMPANY {DOMINION ENERGY VIRGINIA)
NORTH ANNA POWER STATION UNIT 1 ASME SECTION XI INSERVICE INSPECTION PROGRAM RELIEF REQUEST N1-14-LMT-003, FOURTH INTERVAL THIRD PERIOD LIMITED EXAMINATIONS Pursuant to 10 CFR 50.55a(g)(S)(iii), Virginia Electric and Power Company (Dominion Energy Virginia) requests relief from the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI, "Rules for lnservice Inspection of Nuclear Power Plant Components," requirement for "essentially 100 percent" volumetric examination coverage of the North Anna Power Station Unit 1 (NAPS1) pressurizer nozzle-to-vessel welds and certain risk-informed piping welds performed during inservice inspection (ISi) examinations in the third period of the fourth 10-year ISi interval.
Examinations of these welds were performed to meet the requirements of the 2004 Edition of ASME Code Section XI with no Addenda and the Risk-Informed/Safety-Based lnservice Inspection (RI-ISi) Program Plan based on Code Case N-716, "Alternative Piping Classification and Examination Requirements. Limited access and configuration of these components prevents full volumetric examination coverage of these welds. The attached Relief Request N1-14-LMT-003, "Fourth Interval Third Period Limited Examinations,"
provides the basis for this request and supports the determination that the applicable ASME Code requirements are impractical.
In accordance with 10 CFR 50.55a(g)(5)(iii), the requested relief must be submitted to the Nuclear Regulatory Commission (NRC) no later than 12 months after the expiration of the 120-month inspection interval for which relief is sought. The NAPS1 fourth interval ended April 30, 2019.
Serial No.: 20-056 Docket No.: 50-338 Page 2 of 3 If you have any questions or require additional information, please contact Erica Combs at (804)-273-3386.
Sincerely, Mark D. Sartain Vice President - Nuclear Engineering and Fleet Support
Attachment:
Relief Request N1-14-LMT-003, "Fourth Interval Third Period Limited Examinations" Commitments made in this letter: None
cc:
Regional Administrator, Region II (w/o attachments)
U.S. Nuclear Regulatory Commission Marquis One Tower 245 Peachtree Center Ave., NE, Suite 1200 Atlanta, Georgia 30303-1257 G. E. Miller NRC Senior Project Manager - North Anna Power Station U. S. Nuclear Regulatory Commission Mail Stop 09 E-3 One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738 Mr. Marcus Harris (w/o attachments)
Old Dominion Electric Cooperative Innsbrook Corporate Center 4201 Dominion Blvd.
Suite 300 Glen Allen, Virginia 23060 NRC Senior Resident Inspector (w/o attachments)
North Anna Power Station Serial No.: 20-056 Docket No.: 50-338 Page 3 of 3
Serial No.: 20-056 ATTACHMENT Relief Request N1-14-LMT-003, NAPS1 Fourth Interval Third Period Limited Examinations VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION ENERGY VIRGINIA)
NORTH ANNA POWER STATION UNIT 1
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rct Period Limited Exams Page 2 of 97
[THIS PAGE INTENTIONALLY LEFT BLANK]
CONTENTS Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rc1 Period Limited Exams Page 3 of 97 1.0 ASME CODE COMPONENT($) AFFECTED......................................................... 5 2.0 APPLICABLE CODE EDITION AND ADDENDA................................................... 5 3.0 APPLICABLE CODE REQUIREMENT................................................................... 5 A 1 Pressurizer Nozzle-to-Vessel Welds.................................................................... 8 4.A 1 IMPRACTICALITY OF COMPLIANCE 5.A 1 BURDEN CAUSED BY COMPLIANCE 6.A1 PROPOSED ALTERNATIVE AND BASIS FOR USE B 1 Nozzle-to-Shell Welds........................................................................................... 16 4.B1 IMPRACTICALITY OF COMPLIANCE 5.B1 BURDEN CAUSED BY COMPLIANCE 6.B1 PROPOSED ALTERNATIVE AND BASIS FOR USE R 1 Elements Subject to Thermal Fatigue................................................................. 29 4.R1 IMPRACTICALITY OF COMPLIANCE 5.R1 BURDEN CAUSED BY COMPLIANCE 6.R1 PROPOSED ALTERNATIVE AND BASIS FOR USE R2 Elements Subject to lntergranular or Transgranular Stress Corrosion Cracking................................................................................................................. 47 4.R2 IMPRACTICALITY OF COMPLIANCE 5.R2 BURDEN CAUSED BY COMPLIANCE 6.R2 PROPOSED ALTERNATIVE AND BASIS FOR USE R3 Elements Not Subject to a Degradation Mechanism.......................................... 55 4.R3 IMPRACTICALITY OF COMPLIANCE 5.R3 BURDEN CAUSED BY COMPLIANCE 6.R3 PROPOSED ALTERNATIVE AND BASIS FOR USE 7.0 DURATION OF PROPOSED ALTERNATIVE........................................................ 96 8.0 PRECEDENTS........................................................................................................ 96
9.0 REFERENCES
........................................................................................................ 96
ENCLOSURES Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 4 of 97 Enclosure A 1-1, 11715-WMKS-RC-E-2 / 1-RC-E-2 / 13 Data Report........................... 11 1-1, 11715-WMKS-SI-TK-2 / 1-SI-TK-2 I 3 Data Report............................. 17 1-2, 11715-WMKS-SI-TK-2 / 1-SI-TK-2 I 4 Data Report............................. 23 Enclosure R1-1, 11715-WMKS-0103N / 6-RC-17 I 21 Data Report.............................. 33 Enclosure R1-2, 11715-WMKS-0103W / 6-RC-20 / 41 Data Report.............................. 37-Enclosure R1-3, 11715-WMKS-0103W / 6-RC-20 / 42 Data Report..............................42 Enclosure R2-1, 11715-WMKS-0103Y I 6-Sl-133 I 12 Data Report..............................49 Enclosure R3-1, 11715-WMKS-0109B / 8-RC-12 I 1 Data Report................................. 61 Enclosure R3-2, 11715-WMKS-0109G-1 / 27 1/2-RC-9 I 33 Data Report..................... 65 Enclosure R3-3, 11715-WMKS-0109G-2 / 29-RC-7 / SW-31 Data Report.................... 67 Enclosure R3-4, 11715-WMKS-0103L / 6-Sl-131 / SW-7 Data Report.......................... 71 Enclosure R3-5, 11715-WMKS-0113C-3 / 12-Sl-69 / SW-8 Data Report...................... 77 Enclosure R3-6, 11715-WMKS-0103AD I 6-RC-21 / 18 Data Report............................ 82 Enclosure R3-7, 11715-WMKS-0109G-1 / 29-RC-7 / 27 Data Report........................... 87 Enclosure R3-8, 11715-WMKS-0113A-1 / 14-RH-1 / 4 Data Report............................. 90 TABLES Table 1. Repetitive/Duplicative Requests Requested in Accordance with 10 CFR 50.55a(g)(5)(iii), lnservice Inspection Impracticality..................... 7
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 5 of 97 RELIEF REQUEST N1-14-LMT-003 NAPS1 FOURTH INTERVAL THIRD PERIOD LIMITED EXAMS Relief Request in Accordance with 10 CFR 50.55a(g)(5)(iii)
-- Notification of impractical ISi Code requirements --
1.0 AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) CODE COMPONENT(S) AFFECTED Refer to Table 1, Columns 1 and 2.
2.0 APPLICABLE CODE EDITION AND ADDENDA The applicable code for the North Anna Power Station Unit 1 (NAPS1) fourth 10-year inservice inspection (ISi) interval and ISi Program is the ASME Boiler and Pressure Vessel Code Section XI, 2004 Edition with no Addenda [Reference 1]. The NAPS1 fourth interval started May 1, 2009 and ended April 30, 2019.
3.0 APPLICABLE CODE REQUIREMENT Refer to Table 1, Column 3.
Components identified in this request require examination of essentially 100 percent of the weld length. "Essentially 100 percent" as clarified by ASME Code Case N-460, "Alternative Examination Coverage for Class 1 and Class 2 Welds," is greater than 90 percent coverage of the examination volume or surface area, as applicable.
The risk-informed welds described in this request are governed by the Risk-Informed I Safety-Based lnservice Inspection (RI-ISi) Program Plan that was approved by the NRG for NAPS1 in a letter dated January 21, 2011 [Reference 9]. The welds are assigned category R-A, Items R1.11, R1.16, and R1.20, and require ultrasonic examination. The NAPS1 RI-ISi Program Plan, in accordance with Request for Alternative N1-14-Rl-001, applies the requirements of ASME Code Case N-716, "Alternative Piping Classification and Examination Requirements." The Item R1.11 elements are considered subject to Thermal Fatigue as the most likely degradation
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 6 of 97 mechanism. The Item R1.16 elements are considered subject to lntergranular or Transgranular Stress Corrosion Cracking (IGSCC or TGSCC) as the most likely degradation mechanism. The Item R1.20 elements are not subject to a degradation mechanism. Limited examinations in this request are in accordance with section 3.3.2 of approved request N1-14-Rl-001 [Reference 9].
Table 1. Repetitive/Duplicative Requests 11715-WMKS-0103W / 6-RC-20 / 42 11715-WMKS-0103Y / 6-S~133 / 12 11715-WMKS-0103L / 6-Sl-131 / SW-7 11715-WMKS-01113C-3 / 12-S~69 / SW-8 t'"<<t/i, '":!\\'"i*ii>:111715-WMKS-0103AD /6-RC-21 / 18 11715-WMKS-0109G-1 / 29-RC-7 / 27 11715-WMKS-0113A-1 /14-RH-1 /4 Ef~ ?a)~979:~>
' §~~ Paragraph
- Jt~i;; Nd'. qt'.::2,1 '.'.. *..
Exam Cat9!lOtyR~1\\
Item.No. R1.11 R~A 39% Volume Coverage 39% Volume Coverage 50% Volume Coverage 50% Volume Coverage 45.19% Volume Coverage 50% Volume Coverage Paragraph 4.R3 50% Volume Coverage 75% Volume Coverage 75% Volume Coverage 74.5% Volume Coverage 87% Volume Coverage 50% Volume Coverage 63% Volume Coverage 50% Volume Coverage Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 7 of 97 See Paragraph S.R{ *' *
,i",,,:;",,;,;i;'
A 1.
Pressurizer Nozzle-To-Vessel Welds Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 8 of 97 4.A1 IMPRACTICALITY OF COMPLIANCE In accordance with 10 CFR 50.55a(g)(5)(iii), relief is requested from the "essentially 100 percent" volumetric examination coverage requirement for the identified pressurizer nozzle-to-vessel welds, ASME Section XI Category B-D, Item No. 83.110. This requirement is considered impractical due to the pressurizer to nozzle weld configuration.
As shown in the attached enclosures, ultrasonic examination of the following pressurizer nozzle-to-vessel welds are limited in coverage due to the pressurizer to nozzle weld configuration:
Mark/Weld No.
Line No.
Scan Coverage Enclosure 13 1-RC-E-2 51.89%
A1-1 Examination of the subject pressurizer nozzle-to-vessel welds was performed to the extent possible using qualified equipment and no further coverage is possible with existing technology.
Weld 13, for the relief nozzle, is limited to a single-sided exam due to nozzle configuration as shown in Enclosure A1-1. The total coverage for weld 13 is limited to 51.89%. Third interval relief was granted in N1-13-PRT-004 at 51.2% coverage. Second interval relief was granted in NDE-38 at 88.4%
coverage.
The subject pressurizer nozzle-to-vessel weld is constructed of SA-508 Class 2, a P-Number 3, Group Number 3 carbon steel material, with austenitic stainless steel inside diameter cladding and stainless-steel inserts.
The welds extend the full thickness of the pressurizer vessel. Pressurizer upper and lower heads are fabricated from SA-533 Grade A, Class 2 carbon steel.
The existing nozzle-to-pressurizer upper and lower heads are welded with low alloy steel filler, essentially the same as the nozzle material. The subject pressurizer nozzles have a minimum thickness of 2.5 inches with 0.19-inch cladding. These nozzles are of the "set-in" design, which essentially makes the welds concentric rings aligned parallel with the nozzle axes in the through-wall direction of the pressurizer vessel. This design geometry limits ASME Code-required ultrasonic examination (UT) angle beam examinations to being performed primarily from the vessel side of the welds.
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 9 of 97 Although UT scans were primarily limited to the vessel side only, studies have found that inspections conducted through carbon steel are equally effective whether the ultrasonic waves have only to propagate through the base metal or have to also propagate through the carbon steel weldment. Therefore, due to the fine-grained carbon steel microstructures, it is expected that the UT techniques employed would have detected any structurally significant flaws on either side of the subject welds.
Although Dominion considers it impractical to meet the ASME Code-required 100% volumetric examination coverage for the subject pressurizer nozzle-to-vessel welds due to nozzle configuration, it is believed that the coverage obtained would have identified any significant service-induced degradation.
The examinations performed also provide reasonable assurance of the structural integrity of the subject welds.
5.A 1 BURDEN CAUSED BY COMPLIANCE The ASME Code requires the volumetric examination be conducted from both sides of these pressure retaining welds. However, the design configurations limit access for UT scanning primarily to the vessel side of the welds. In order to effectively increase the examination coverage, the nozzle-to-vessel welds would require design modifications or replacement. Contrary to the intent of the ASME Code, such modifications and replacements constitute a burden rendering the volumetric examination requirements impractical.
6.A1 PROPOSED ALTERNATIVE AND BASIS It is proposed that the examinations already completed at the reduced coverage be accepted as meeting the Code requirements.
Alternative components could not be substituted for examination due to the mandatory selection requirements of the Code. The limited volumetric examinations performed should detect any general patterns of degradation that may occur in the areas covered, providing reasonable assurance of the continued structural integrity of the subject welds.
UT examinations were conducted using ASME Code,Section V, Article 4, techniques and included 0-degree longitudinal, and 45-and 60-degree shear waves from the vessel.side. The examination volumes included the weld and base materials near the inside surface of the weld joint, which are typically the highest regions of stress, and where the expected degradation
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 10 of 97 mechanisms would be manifested should they occur. Manual scanning was used for these examinations. The configuration of the nozzle-to-shell weld limits the effective examination of the required examination volume. The nozzle's proximity to the weld limits scanning due to the nozzle bend radius causing lift-off of the search unit during scanning. No recordable indications were identified during these examinations. The physical configuration of each nozzle limits the effectiveness of alternative or advanced technologies from increasing the examination coverage for this configuration.
Enclosures A1-1 includes the complete Ultrasonic Examination Data Reports for the Category B-D, Item B3.110, examination included in this relief request.
The report includes details of the UT scanning parameters, including transducer size, frequency and angle. Also included are coverage plots for each of the examinations showing the nozzle configuration and percent coverage for each individual scan.
The A1-1 Enclosure includes search unit details, wave modality, and insonification angles used for all examinations, including the results of each scan. The examinations were performed with 45-degree shear wave, 60-degree shear wave, and 0-degree longitudinal wave search units (as identified in the reports).
,Dominion' UT Calibration/Examination Site/Unit:
NAPS Procedure:
ER*AA*NOE-UT-702 Outage No.:
N1R26 Summary No.:
N1,B3.110.004 Procedure Rev.:
4 Report No.:
UT*18.014 Workscope:
ISi Work Order No.:
59103.057002 Page:
1 of 5
Code:
ASME 2004 Ed.
Cet./ltem:
B*0/83.110 Location:
PZR291 Drawing No.:
117f5-WMKS-RC-E*2 Description; Nozzle to Vessel System 10:
RC ------------------------------------------------------
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N/AIN/A Thlckness/Diameter:
3.49" / NfA Limitation$:
Noule configuration.
Start Time:
2143 Finish Time:
2'148 Instrument Settings Search Unit Cal.
Axial Oriented Search Unit Time Date Serial No.:
140723807 Serial No.:
M18207SP Checks Calibration Slgnal Sweep Manufacturer:
Olympus Manufacturer:
KBA tnltlal Cal.
1850 3/15/2018 Reflector Amplitude%.
Division Depth Model:
EPOCH 600 Unearlty:
L-18 -006 Size:
0.75" Model:
Gamm;i Inter. Cal.
2143 3/1512018 1/4 TSDH 80%.
1.8 0.920" Delay:
1.460 IJS Range:
5.000" Freq.:
2.25MHZ Center F"req.:
NIA Inter. Cal..
N/A 1/2 T SOH 80%
u 1.940" M'tl Ci:IINel: 0.2330 in/µs Pulser:
$pike Inter. Cal.
2143 3/Hi/2018 3/4/T SOH 50%
5.8 2.920"
~am Angle:
o*
Squint Angle:
NIA Damping:
400n Reject:
0%
Final Cal.
233.2 3/ili/2018 Backwall 100%+
8.0 4.0001' Measured Angle:
NIA Mode: Longitudinal Rep. Rate:
Auto Freq.:
2.25Mhz Couplant Exit Point NIA
- of Elements:
1 FIiter:
0.5 *4,0 Mh.t Mode:
Fullwave
-- Cal. Batch:
17F087 Circumferential Oriented Search Unit Config.:
Slogle Focus:
NIA Voltage:
400 Other.
NIA Type:
Sonotech Calibration Sign13l Sweep Depth Shape:
Round Contour:
Flat Mfg.:
Sonotech Reflector Amplitude%
Di.'/lsion Wedge Style:
NIA NIA Ax. Gain (dB):
19.9 Circ. Gain (dB):
N/A exam Batch:
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~
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No. Conn.: o TyPe:
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Examiner Hacker, Jonathan Examiner Zollner, Brian O O~r NIA Level II-POI A
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,Dominion*
UT Calibration/Examination Procedure:
Slle/Onit:
NAPS ER*AA-NDE-UT-702 1
Outage No.:
N1R26 Summary No.:
N1.B3,110.~04 Proeedure Rev,:
4 Report No.:
UT*1tl..014 Wor\\<scope:
ISi Work Order No.:
59103057002 Page:
3 cif 5
Code:
ASME 2004 Ed.
Catlllem:
B*0/93.110 Lqcaticm: '
PZR 291 Drawing No.:
11715-WMKS-RC-E*2
==
Description:==
Nozzle to Vessel S}'1,tem ID:
RC -----....-~-----------------------------------------
Com pone n t tO: 11715*WMKS*RC-E*2 / 1*RC-E-2 I 13 Size/Length:
NfA / N/A Thickness/Diameter:
3.49" / NIA Limitations:
NoZ.?le configuration.
- Start Time:
2149 Finish Time:
2211 lnliit ruinent Settings Sea.rch Unit C11!.
Time Dale Axial Oriented Search Unit Serial No.:
140723807 Serial No.:
OOY5K7 Checks Manufacturer:
Initial Cal.
Calibration Signal Sweep Sound.Path Olympus Manufacturer:
KBA 1915 3/15/2018 Reflector
'1mplitu<le %
OMsion Model:
EPOCH600 Linearity:
L*18 *006 Size:
.5" X1.0" Model; Comp-G Inter.Cal.
2149 3/15/2018 1/4 TSOH 85%
2.0 1.980~
Delay:
15.300 IJS Range:
10.000" Freq.: 2.25 MHZ Center Freq.:
NIA Inter. Cal.
N/A 1/2TSDH 48%
4.0 4.0.50" M'tl Ca!Nel: 0;1210 in/µs Pulser:
Square Exam Angie:
60' Squint Angle:
NIA Inter. Cal.
2211 3/1512018 3/4 TSDH
.31%
6.0 6.00()"'
Damping:
4000 Reject:
0%
Final Cal.
2336 3115/2018 5/4TS0H 20%
10.Q 10.000" Measured Angle:
so*
Moda:
Shear Rep. Rate:
Auto Freq.:
2.25Mhz Exit Point 0.70" ff of Elements:
1 Couplant ID Notch 14%
7.2 7.220" Filter:
0.5*4.0 Mhz Mode:
Fullwave Conflg.:
Single Focus:
NM Cal. Batch:
17F087 Circumferential Oriented Search Unit Soiiotech Voltage:
400 Other:
N/A Type:
Calibtalion Signal Sweep Shape; Rectangular Contour:
Flat Mfg.:
Sonotech Reflector Amplitude%
Division Sound Path Wedge,Sfyle:
sws NIA
~. Gain (dB):
36,8 Circ. Gain (dB):
NIA Search Unit Cable Exam Batch:
17F087 10 Scrfi!en O!v. "
10.00 ln. or Sound Path Type:
RG 174 Length:_!_ No.Conn.: 0 Type:
S0noh1ch Mfg.:
Sonotech Calibration Bloc.k Scan Coverage Cal. Block No.
VGe,21 Upstream@ Oownsfream@ Scan dB:~
Reference Block Refei"1)nceiSimulator Block Thlckne$'s 4.0" Dia.:
0 CW@
CCW@ ScandB: 54.8 Serial No.:
05-6998 Gain Signal Sweep Sound Path dB Reflector Amplitude% Division cat. 6lk. Temp. ~
Temp. Tool:
ATK-4
-- Type:
CS Rompus Block Exam Surface:
00 36.8 SOH 41%
1.4 1.420" Comp. Temp..!!'.._ Temp. Tool:
ATK-4 Surface CC>ndition:
Contour Ground Recordable lndica!lon(s):
Yes O No~
{If Yes, Ref. Attached Ultrasonic lndrcatlon Report.)
Results:
N~I@
RI Q Geom O Comments: Cal block VG8-21 is only partially clad so bloc.k VRA*28 (S.20" thick) was. used to determine the 6.0 dB difference from the 3/4 TS.OH to the 5/4 T SOH from the clad side.
Per~nt Of poverage Objained > 90%:
No Reviewed Preyious Dat13:
Yes Examiner Level II-POI Signature Hacker, Jonathan Examiner Level If-PD Signature Zollner, Brian O Other Level NIA Signah,1re NIA UT Callbration/Examii'latlon m
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ENCLOSURE A1-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 14 of 97 Coverage calculaled usiflg Domlnlon procedure ER-M-NDT-UT-702.
us,nd; Nom Nominal thkkness Base material Rev 4, Par 8.2.4.
BM Angle Beam Scanning V\\leld,2angles,4directions Ckc Ax Cin; Scan Direction Axial scan direction Base Material, 2 angles, Sh SheR side I dif'edlon Nozzle $ide I direction Upslream side of weld Downstream side of weld 4 directions where posslbte.
Noz UpSt Dnst O"BM BMCirc BMAx 45°Wefd eo*Weld Notes:
Refer&nce (from data sheets): Nozzle (UP) and Vessel (DN) 51.89%
Code Required Volume Examined 3 BM+ 10 Weld/ 13 See Page S of 5 for detailed coverage calculations Cov~ae Summarv c:t'ievlewed,b, },r C WltnMffd Hartford Steam Boiler 9531 HS8 Reoutred ScaM (each has a weighing factor of 100 for eomprete c.overage)
UpSt-Ax Uost..Circ DnSt--Ax DnSM:irc 46.80%
NIA 100.00%
NIA 11.10%
0.00%
90.70%
100.00%
7.10%
0.00%
94.70%
100.00%
Code Coverage Total I 51,89%
- 1) Code Coverage refers to the maximum pereen~ of the required examination volume that is effectI\\lely examined with lhe qualified examination procedure.
- 2) B8$t Effort Coverage mfe~ to the required examination volume past the weld centerline that I&
examined in fhe axial beam direction with an Appendix VIII demonstraled procedure tor single sided coverage.
-~Ntt' fl. Sr-**
- JI\\ lwt ~
11>~* H,,pft;.4 0 Jth., /~11
ENCLOSURE A 1-1 16.51 Sq In - Total BM Volume 8.78 Sq In Noz, 7.73 Sq In Sh 46Jl% (O" & BM Circ)
Weld - On Shell}
Lift Off* All Angles
£ 5.6 Sq In - Total Weld Volume 90.7% (4.99 Sq In 46" Weld Dost~ $ld&}
94.7% (5.21 Sq In 60" Weld Dost.Ax Side)
Weld-Circ Uft Oft'* All J!41es +
i fi Nome Vessel Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 15 of 97 Base Material
- Ax 45°, 60" 16.51 Sq tn - Total 8M Vo<<i.tme 8.78 Sq tn Noz, 7.73 Sq In Sh 45* 11.97 Sq In (72.5%) 424 + 7.73 Sq In 60" 13.59 Sq In (82.3%) 5.85 + 7.73 Sq In
'17.4% (BM Ax - Composite) 5.5 Sq In - Total Weld Volume 11.1% (0.61 Sq In 45" Weld UpstAx Side) 7.1% (0.39 Sq In eo* Weld Upst Ax Side) 6.5 Sq In* Total Weld Volume 0% co Sq,no*, 45*, eo* UpSt-Cire Side) 100% {2.75 Sq In O", 45", ao* DMt~Cire Side)
JPI/JJI" Cl1bwl&wad DW~nd Hartford Steam Boler
Seri.al No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 16 of 97
- 81. Nozzles Without Reinforcing Plate in Vessels > % in. Nominal Thickness, Nozzle-to-Vessel Welds 4.81 IMPRACTICALITY OF COMPLIANCE In accordance with 10 CFR 50.55a(g)(5)(iii), relief is requested from the "essentially 100 percent" volumetric examination coverage requirement for the identified nozzle-to-vessel welds.
This requirement is considered impractical due to single-sided access.
UT of the identified nozzle-to-vessel welds on the boron injection tank is limited to 39% volume coverage because of single-sided access due to the nozzle-to-shell weld configuration. Refer to Enclosures B1-1 and B1-2 for coverage and scan details for welds 3 and 4. UT examination was performed to the extent possible. 100% of the required surface examination was achieved with no indications found.
5.81 BURDEN CAUSED BY COMPLIANCE Contrary to the intent of the ASME Code, destruction of the component would be necessary to perform 100% of the required examination as written in the 2004 Edition.
6.81 PROPOSED ALTERNATIVE AND BASIS It is proposed that the examinations already completed at the reduced coverage be counted as meeting the Code requirements.
The limited volumetric examination should detect any general patterns of degradation that may occur in the areas covered, therefore providing reasonable assurance of the continued structural integrity of the subject weld.
Two other components were examined in Category C-B, Item No. C2.21, in the third ISi inspection interval, obtaining "essentially 100 percent" volumetric examination coverage. Third interval relief was granted in relief request N1-13-PRT-004 with 36% coverage for welds 3 and 4. Second interval relief was granted in relief request NDE-48 with 39% coverage for weld 3 and 31 %
coverage for weld 4.
,Dominiol'I*
UT Calibration/Examination ER*M-NDE*UT.702 OutageNq,:
N1R25 Sito/Unit:
NAPS I
1 Procedure:
Summary No.:
N1.C2.21.007 Procedure Rev.:
4 Report No.:
UT-fS-115 Workscope:
ISi Worl< Order No.:
59102983133 Page; 1
ol 5 -
Code:
ASME 2004 Ed.
CatJllem:
C*B/C2.21 Location:
AUX244 Drawing No.:
11715*WMKS-Sl*TK*2
==
Description:==
NOZZLE-SHELL System JD:
SI ------------------------------------------------------------
Compo n ec n t ID: 111.15-WMKS-SJ.TK-2/ 1-Sl*TK-2/ 3 Size/Length:
1.5" / 33" Thk:kness/Diamctcr:
2,5 I 10" Limitations:
Sillgle side exam due to nozzle to shell weld configuration.
StartTime:
1802 Finish Time:
1608 Instrument Settings Search Unit Cal.
Time Date Axial Oriented Search Unit Serial No.:
140723807 Serial No.:
00042T Cheeks Calibration Signal Sweep Manufacturer:
Olympus Manufacturer:
KBA Initial Cal.
1350 9126/2016 Reflector Amplitude%
Division Sound Path Model:
EPOCH 600 Linearity:
L,16-018 Size:
0,25" Model:
Gamma Inter.Cal. 1602 9/2612-016 1/4T 80 1;9 0.559" Delay:
1.437µs Range:
3.114" Freq.:
2,25MHZ Center Freq.:
NIA Inter. Cal.
NIA i/2T 36 3.9 1.183" M'UCalNel:
0.234,1 in/µs Pulser:
Square Inter. Cal.
1608 9/2'612016 3T4T 20 5.9 1.815
Exam Angle:
o*
Squint Angle:
NIA Damping:
4000 Reject:
0%
Final Cal.
1725 9/2612016 aw 61 8.0 2.495" Measured Angle: ~
Mode:
Long Rep. Rate:
Auto Freq.:
2.25Mhz Couplant Exit Point NIA
- of Elements:
1 Filter:
0.5-4.0 Mode:
Fullwave NM Cal. Batch:
12J066 Circumferential Oriented Search Unit Config.:
Single Focus:
Voltage:
400 Other:
NIA Type:
Sonotech Calibration Signal Sweep Sound Path Shape:
Round Contour:
Flat Mfg.:
Reflector Amplitude%
Division SONOTECH Ax. Gain (dB):
Circ. Gain (dB):
Wedge Style:
Integral NIA 17.4 N/A Exam Batch:
12J066 Sound Path Search Unit Cable 10 Screen Div.= ~
in. of lfype:
Sonotecll Type:
RG174 Length: 6' No. Conn.: O
.Ca.libratlon Block Mfg.:
SONOTECH Scan Coverage Cal. Block No.
VRA*27 Upstream ~ Downstream[] Scan dB: 23.4
- Reference Block Reference/Simulator Block Thickness 2.478" Dia.:
0 CCWli!) Scan dB:~ Serial No.;
05-5560 Gain Signal Sweep Sound Path cw~
dB Reflector Amplitude% Division Cal. Blk. Temp. 10* Temp. Tool:
ATK,1
-- Type:
CS Rompus Block exam Surface:
OD 17.4 SOH 55 2.4 0.728" Comp. Temp,
~Temp.Tool:
ATK*1
~,,rf'!lrA r-r.nA:a:"'n*
Contour Ground D
NoRJ Ultrasonic Indication Report,}
Results; NRI~
RI o G~Qlll D Commenhi: None Percent Of Coverage Obtained > go%:
No Reviewed Previous Data:
Yes Examiner Level n Date I Reviewer Date Orth, Michael J.
9/26/2016 Examiner Level NIA Date NIA
[(.
Other Level NIA Signature Date NIA UT Calibiation/Examlnation m
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ENCLOSURE 81-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 18 of 97 i
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ENCLOSURE 81-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 20 of 97 Supplemental Report 4
of 5
Summary No.1 ;;.;N...:.:1*;;;;;;.c;;:;;;2.2c::..1;;;.;.o;,;co..;..1 ______
Eumin~r: Orth, Michael J. t\\t):
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ENCLOSURE 81-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 21 of 97 Report No: UT-16-115 Summary# Nl.C2.21.007
.JiJVDominion~
Pg. 5 of 5
A'R...,,
Prepared by: W. Thomas'7r~ gr Date:
9/30/2016 Weld Number Thickness 3
Weld Width Weld Length 1.5" 2.18" 33" Angle Scan Area Direction
%Coverage Odeg Weld and SM N/A 1S 45&60 Base Metal OS 100 45&60 8aseMetal us 100 45 Weld Metal DS 0
45 Wel<iMetal us 100 60 Weld Metal OS 0
60 Weld Metal us 100 45&60 Base Metal USCW/CCW 15 45&60 Base Metal DSCW/CCW 0
45 Weld Metal CW/CCW 0
60 Weld Metal CW/CCW 0
Total 39%
Examination Volume Dimensions -
Height 0.727" Length 33" Width 2.S" Coverage Summary Required Scans (each has a weighing factor of 100 for complete coverage}
ANGLE UpSt-Ax UpSt-Circ DnSt-Ax DnSt-Circ SEE TABLE ABOVE Code ~overage Total I
39%
- Best Effort Coveragte (Max 25%) Total I
N/A Notes:
- 1) Code Coverage refers to the. maximum percentage. of the required examination volume that is effectively examined with the qualified examination procedure.
l) Best Effort Coverage refers to the required examination volume p~ ~
weld centerline thatis examined in the axial beam direction with an Appendix VIII demonstrated procedure for single sided coverage.
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Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams ENCLOSURE B1-1 Page 22 of 97 Magnetic Particle Examination hmimo11' S{tellJriit NAPS l 1
Procedum:
ER*AA-NPE,IIIT *200 Summary No,; ___
N_1._c_:z._:u_.D1>_1 __
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Workscopa; ISi Werk Oro0r No.:
69102983133 Gode::
ASME 2004 EcL
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N1.C2.21.008 Procedure Rev.:
4 Repc:irt No.:
UT-16-116 Workscope:
ISi Work Order No.:
59102983133 Page:
2 of 5
Code:
ASME 2004 Ed.
Catlltem:
C*B1C2.21 Location:
AUX244 Drawing No.:
11715*WMKS.Sl*TK*2
==
Description:==
HEAD-NOZZLE.
. System ID:
SI ------------------------------------------------------
. Component ID: 11715*WMKS.S1*TK-2 / 1*S1-TK-2 / 4 Size/Length:
1.5" {33.0" Thickness/Diameter:
2.5" / 10.0" Limitations:
Singlo side exam due to Nozzle to Shell configuration Start Time:
2209 Flnish Time:
2222 Instrument Settings Search Unit
- Cal, Date Time Serlal No.:
140723807 Serial No.:
OOY5K6 Checks Manufacturer:
Olympus Manuraeturer:
KBA Initial Cal. 2020 9/27/2016 Model:
EPOCH 600 Ltnearity:
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45*
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2338 9/27/2016 40110 0%
Measured Angle:
45*
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Sonotech
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sws Ax. Gain (dB):
31.0 Circ *. Gain (dB):
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00 Comp. Temp. ~
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ATl<-1 Surface Condition:
As Welded Recordable lndication{s):
Yes f.J No~
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Results:
NR! 2)
RID GeomQ Comments: None Percent Of Coverage Obtained > 90%:
Examiner level II-POI Slevermer, Aaron J.
Examir1er Level NIA N/A Other NIA Level NIA UT Calibration/Examination No Reviewed Previous Data:
Yes Signature Axial Oriented Search Unit Galibration Signal Sweep Reflector Amplitude%
Division Sound Path 1/4TSDH 80%
2.0 0.884~
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ENCLOSURE 81-2 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 27 of 97 Report No: UT-16-116 Summary# N1.C2.U.008 Pg. 5 of 5
Prepared by: W. Thomas Date:
9/23/2016 Weld Number Thickness 4
2.18
Weld Width Weld Length 1.5" 33" 60 WeldMetai us 0
45&60 Base Metal US CW/CON 0
45&60 aaseMetlll DSCW/CCW 15 45 Weld Metal CW/CCW 0
60 Weld Metal CWICCW 0
Total 3$%
0.11,7" 33" Width Coverage Summary Required Scans (each has a weighing factor of 100 for complete coverage)
ANGLE UpSt-Ax UpSt-Circ DnSt*Ax DnSt*Circ SEE TABLE ABOVE Code Coverage Total I
39%
- Best Effort Coverage (Max 25%) Total I
N/A Notes:
l) Code Co~rage ref@f!l lo the maximum percentage of the required examination volume that ls effectively examined with the qualified examination procedure,
- 2) Best Effort Coverage refers to the required examination volume past the weld centerline that Is examined in the allial beam dil'tlCtlon with an Appendix VIII demonstrated procedure for single sided coverage.
Reviewed HS8 GS
ENCLOSURE 81-2 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 28 of 97 Magnetic Particle Examination Sile/Unit:
/
Procedure:
ER-AA-NDE-MT *200 Oµtage No.:
N1R25 Summary No.:
N1.C2.21.00B Procedure Rev.: _____
4 ___
Report No.:
MT-16-002 W o 11( scope:
ISi Worn Order No.:
59102983133 Page:
1 of 1
Code:
ASME 2004.Ed.
Cat./ltem:
C-B/C2.21 Location:
AUX 244 Drawing No,:
11715-WMKS-$1-TK-2 D6$Cription: HEAD-NOZZLE
.System ID:
SI -------------------------------------
Cpm pone n t 10: 11715-WMKS.Sl*TK-2/ 1-51-TK-2 / 4 Size/Length:
1.5" /33.0" t
Limitations:
None
~ Light Meter Mfg.: ________
NI_A _____ _,
Serial No.:
NIA Illumination:
NIA Temp. Tool Mfg.: _____
A;;.;T.,Kl""""N""S ____ _ Seri a I No.: _____
A"""T_K.... -1..:...... __ Surface Temp;:
Resolution:
0;044" Character Card Lift Block Serlal No.:
MT-38 Surface Condition:
As Welded Lo/Wo Location:
NIA Fie Id Orientation:
0/90° Field Orientation Mag n e tl c Particle Material Brand:
MAGNAFLUX Type:
BARed Batch No.:
14A127 Equipment:
PARKER H~Shot 0
NIA Amperes Adj. Spacing
[i!J 6".
inches Prods. Spacing O NIA inches Indication Loe L:oc Diameter Length No.
L w
NIA Comments:
Wet 0 Dry52]
Visible O Fluorescent 0 Mixed:
With:
YesO No 52J NIA Applied By:
Dusting 52]
Spraying D Flooding D Serial No.: _____
7;;..;8:c.:2;,;;0 ____ _
Fixed Spacing O
AC til DC 0 Encircling Coils O N_I_A ___ Tvms Current (machine setting) 0 N/A Amperes
)
Type Remarks R/l Flashlight checked with Character.Card SN: OOM-2016-0164.
Results:
NRI ~
RID Eva! 0 Percent Of Coverage Obtained > 90%:
Yes ReViewed Previous Data:
Yes Exam Time:
2146 Examiner level 11 Stevenner, Aaron J.
Exafriiner Level NIA N/A Other Level Signature Magnetic Particle E)(3nilnatlQl1
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 29 of 97 R1.
Risk-Informed Piping Welds Subject to Thermal Fatigue 4.R1 IMPRACTICALITY OF COMPLIANCE In accordance with 10 CFR 50.55a(g)(5)(iii), relief is requested from the "essentially 100 percent" volumetric examination coverage requirement for the piping welds identified below. This requirement is considered impractical primarily due to single-sided access and configuration of these components.
Dwn/CW/CCW 60 Shear 2.25 Own 70 Shear 2.25 Own 60 Longitudinal 2.0 6"-RC-20 ';45.19%.
- fJelCWICCW* 3/16/2018 45 si~ar 2t25 Up/CW/CCW 60 Shear 2.25 Up 70 Shear 2.25 Up 60 Longitudinal
2.0 NOTES
1 Up Axial scan on the upstream side of weld Own Axial scan on the downstream side of weld CW Circumferential scan in the clock-wise direction CCW Circumferential scan in the counter clock-wise direction The examinations in the table above were performed manually using advanced ASME Section XI, Appendix VIII demonstrated procedures and techniques in accordance with the performance demonstration requirements.
Based on the access and physical limitations of these welds, alternative or other advanced technologies would not have provided complete coverage of the examination volume at the time of these examinations.
Enclosures R1-1 through R1-3 include the complete Ultrasonic Examination Data Records for each Category R-A, Item R1.11 examination included in this
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rct Period Limited Exams Page 30 of 97 relief request. Each report includes details of the UT scanning apparatus, including transducer size, frequency, angle, wave modality and insonification angles. Also included are scan plots for each of the examinations showing the piping configuration and percent coverage for each individual scan. There were no recordable indications identified during any of these examinations.
Weld 21 (6"-RC-17), Reactor Coolant System Class 1, was a single-sided examination (50% coverage) due to the elbow-to-branch configuration, limiting downstream scans. The weld is at the loop piping weldolet from the Low Head Safety Injection system into the Reactor Coolant system cold leg (27 1/2"-RC-3). An additional "Best Effort" (non-Code) scan with a 60-degree Longitudinal search unit obtained an additional 25 percent total coverage of the downstream side of the weld.
Line 6"-RC-17 is 1,500 lb., Type 316 seamless stainless-steel piping. Weld 21 is constructed with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength.
Weld 41 (6"-RC-20), Reactor Coolant System Class 1, was a single-sided examination (50% coverage) due to the valve-to-elbow configuration limiting upstream scans. The weld is at the check valve from the Low Head Safety Injection system into the Reactor Coolant system cold leg (27 1/2"-RC-9). An additional "Best Effort" (non-Code) scan with a 60-degree Longitudinal search unit obtained 15.9% additional total coverage of the upstream side of the weld. Line 6"-RC-20 is 1,500 lb., Type 316 seamless stainless-steel piping.
Weld 41 is constructed with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength.
Weld 41 is also managed as part of the augmented thermal fatigue examination requirements of MRP-146 like other welds with similar configurations. Third interval relief was granted for 50%
coverage in request N1-13-PRT-004.
Weld 42 (6"-RC-20), Reactor Coolant System Class 1, was a single-sided examination (45.19% coverage) due to the pipe-to-branch configuration and welded pads, limiting downstream scans. The weld is at the weldolet from the Low Head Safety Injection system into the Reactor Coolant system cold leg (27 1/2"-RC-9). An additional "Best Effort" (non-Code) scan with a 60-degree Longitudinal search unit obtained 14.25% additional total coverage of the downstream side of the weld.
Line 6"-RC-20 is 1,500 lb., Type 316 seamless stainless-steel piping. Weld 42 is constructed with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 31 of 97 procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength. Third interval relief was granted for 83.35% coverage in request N1-13-PRT-004.
The NAPS1 RI-ISi Program is based on ASME Code Case N-716 as identified in approved request N 1-14-Rl-001 [Reference 9].
The subject limitations have been evaluated as acceptable, with no impact on risk analysis, and no further actions are necessary to provide reasonable assurance of pressure boundary leak tightness.
The subject welds are included in the Class 1 pressure boundary and receive visual examinations at the beginning of each refueling outage as part of the Boric Acid Corrosion Control Program and VT-2 visual examinations at the end of each refueling outage after operating pressure and temperature is achieved before unit startup.
Weld examinations for welds 21, 41, and 42 were single-sided, but additional non-Code coverage was obtained (Best Effort Coverage) on the critical inside surface volume of both the weld and heat-affected area. These additional measures provide reasonable assurance that these welds are structurally sound. The subject welds were selected as part of an examination program that includes selections from different piping configurations, as well as selections from piping configurations categorized with different degradation mechanisms.
5.R1 BURDEN CAUSED BY COMPLIANCE The physical configuration of these welds, valve-to-pipe, elbow-to-branch, and a welded tag at an elbow, confines inspection capabilities. Detailed sketches of the limitations and inspection areas achieved have been provided. No further action can be taken to enable better examination coverage without destroying the component.
6.R1 PROPOSED ALTERNATIVE AND BASIS These welds were selected because they are determined to be of High Safety Significance with possible active degradation mechanisms. Selections were made based on plant-specific operating experience or history of examination, weld repairs, random selection across different pipe sizes and configurations, and radiation concerns. These welds were selected, in part, because a previousSection XI examination history exists. Comparison of examination results over time is critical to detect service induced degradation. Inspection
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 32 of 97 of these particular welds is considered the best choice for meaningful examination results.
It is proposed that the examinations already completed at the reduced coverage be accepted for meeting the Code requirements. 100% of the pipe-to-valve welds were volumetrically examined from one side. No indications were discovered. The limited volumetric examinations performed should detect any general patterns of degradation that may occur in the areas covered, therefore providing reasonable assurance of the continued structural integrity of the subject weld. In addition, these welds receive a visual examination during the system leakage test performed at the end of each refueling outage. As a result of the completed examinations, any pattern of degradation should be detected, thereby providing reasonable assurance of operational readiness.
The purpose of the inservice inspection program is to assure the structural and pressure-retaining integrity of safety-related nuclear power plant components in accordance with the rules of the ASME Section XI Code and the requirements of 10 CFR 50.55a. Although Dominion could select only weld locations where greater than 90% examination coverage is possible (when available based on selection criteria), meeting the purpose of the Code requires selecting a mix of not only piping-to-piping welds (where essentially 100% coverage is more likely), but also piping-to-valve welds, piping-to-pump welds, piping-to-vessel welds, socket welds, nozzle-to-pipe welds, etc. The ASME Code allows only 50% Code coverage for single-sided examinations.
In cases other than most piping-to-piping welds, the majority of weld examinations are considered single-sided examinations.
The risk-informed weld limitations are considered in ASME Code Case N-716 periodic updates to the Risk-Informed Program Plan, where the program is reevaluated to determine if any changes to the examination selections need to be made, including additional examinations if they are warranted. The limited examinations identified in this request have no impact on the change-in-risk evaluation for the third period, and no new examinations were added as a result of these limitations.
UT Calibration/Examination
,Dttminion*
Site/Unit:
NAPS P1ocedure:
ER-M-NDE-UT-802 Outage No.:
N1R25 Summary No.:
N1.R1.11.009 Procedure Riv.:
4 Report No.:
UT,16-057 Wmkscope:
ISi,
Work Order No.:
59102933133 Page:
1 of 4
Code:
2004 Edititm Cat.lltem:
R*A/R1.11 location:
A-LOOP Drawing No::
11715.WMKS-0103N Destliption: PIPE.COUPLING System 10:
RC ---------------------------------------------'-----------
Com pone n t JD: 11715.WMKS*0103N / 6-RC-17 / 21 Sizeflength:
.aw121*
Thickness/Diameter:
.719" / 6
Limitations:
Single sided exam due to component configuration Start Time:
1102 Finish Time:
1114 Instrument Settings Search Unit
- Cal, Time.
Axhll Oriented Search Unit Date Serial No.:
141)723807 Serial No.;
01CLNO Checks Calibration Signal.
Sweep Manufacturer:
Olympus
'Ma,nufacturer:
KBA Initial Cal. 0744 911$/2016 Relle<:tor AmplilUde%
Division Sound Palh Model:
EPOCH600 Linearity:
l*16.018 Size:
0.375~
Model:
Comp-G Inter. Cal. 1102 9/16/2016 1"10N 80 7.0 1.413 Delay:
5.739 Range:
2.030" Freq.:
2.25MHZ Center Freq.:
NIA Inter. Cal.
1114 9/1612016 M'tlCalNel:
.1230 Pulser:
square Squint Angle:
Inter. Cal.
N/A Exam Angle:
45' NIA Damping:
400ohms Reject:
0%
Final Cat.
1337 9/1612016 Measured Angle:
45' Mode:
Shear Rep. Rate:
auto
!'req.:
2.25 Couplan!
Exit Point
.r
- of Elements:
1 Filter:
.5* 4 Mode:
FW NM Cal. eatch:
12J066 Circumferential Oriented Search Unit Config.:
Single Focus:
Voltage:
400 Other:
NIA Type:
Sonotech canbratlori Signal Sweep Shape:
Round Contour:
flat Reflector Amplitude%
Oivtsion Sound Path Mfg.:
SONOTECH Clic. Gain (dB):
Wedge Style:
MSWQC NIA Ax. Gain (dB):
13.4 NIA Search Unit Cable Exam Balch:
12J066 10 Screen Div. = 2.03 in. of Sound Path Type:
Length:..!_ No. Conn.: O Type; Sonotech RG174 Calibration Block Mfg.:
SONOTECH Scan Coverage Cal. Block No.
10876 Up~tr~m ~ Downstream O Scan dB: ~
Reference Block Reference/Simulator Block Thickness 2.25*'
Dia.:
0 Gain Signal Sweep Sound Path CW !ii1 CCW@ Scan dB:* 25.4 Serial No.:
05-6533 dB Re.flEtCfor Amolitude% Division Cal. Blk. Temp. 2!_ Temp. Tool:
1079BGCY
-- Type:
SS Rompus Block 13A FSDH 16 5.1 1.038 Exam Surface:
00 Comp. Temp. ~
Temp. Tool:
10.79BGCY 5::.urf~rA '11\\nrfltinn~
Contour Ground
~l Ultrasonic lnd1cal!on Report.)
Results:
NRI li{J D
RID Gepm 0 Comments.: Reference Previous Data Rreport NDER 04-031 Dated 09/19/2004. fqr T & C.
Percent Of Coverage Obtained > 90%:
Examiner level Ill-POI Thomas, Travis W.
Examiner level NIA NIA Other NIA Level NIA UT Calibration/EJ<amlnallon No Reviewed Previous Data:
~ure Signature Signature NIA Date 9/16/201&
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ylr Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 34 of 97 JC l
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MOOP Dr~NQ.:
11715-WMK:HJ1~f4
~ltplkl11, PlPf:..COOPl.lHG Siy~ IO; RC: ------------------------------------------------
Comp i:wmt '°' 1171MIIMKS-011):JN te.RC*tr t 11 Slze/Lenglh:
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S'S~ Bl~
Comp. Tami,..!!:., Temp. Toot:
"111118GCY Siwfru::v Ci:ioof~
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ENCLOSURE R1-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 36 of 97 Report No: UT,-16-057 Summary ff*Nl.Rl}tt:o iii' Dominion"'
Pg~ 4 of 4
~.
r.tl/ p;;;
Prepared by; W. Thomas 7f'~
- Date:
9/27/2016 21 Weld Number Thickness 0.96" Weld Width Weld Length 21" FLOW
,2 l
0 I
21
,t
- EXAMlNED 100% OF THE REQUIRE{)VOLUME US SIDE 2
I EXAMINED 100f"'QF THE REQUIRED VOLUME AX DIRECTION OS SIDE BES1' EFFORT.
ExaminatlonVolume Dimensions -
Height 032" Length 21" Width CaverageSuri:unary Required Scans (each hasaweit'lingfactor of lOOfor completec<>verage)
ANGLE UpSt-Ax UpSt-Circ DnSt-Ax DnSt-Orc 45/60 100%
100%
0%
60L
- 100%
Code Coverage Total I
lQO+ 100+100+0=:;i00/400=75
- Best Effort Covera~(~ax 25%} Total I
Notes;
- 1) Code Coverage refers to the maximum percentage of the*required examination volume that is effectively examined with the qualified examination procedure.
- 2) Best Effort Coverage.refers to the requlred*examinatkm volume past the weld centerline that is examined in the axialbeam direction with an AppendocVIII demonstrated procedure for single sided coverage.
I 50%
25%
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,Dominion*
UT Calibration/Examination Procedure:
EReAA*NOE-UT*802 Site/Unit:
/
Outage No.:
N1R26 Summary No.:
N1.R1.11.012 Procedure Rev.:
5 Repqrt No.:
UT*18.018 Workscope:
IS1 Work Order No.:
591030$7002 Page:
1 of 5
Code:
ASME 2004 Ed.
.Cat./Jtem:
R*A/R1.11 Location:
C Loo.p Rm Drawing No.:
11715-WMKS-0103W Desc:ription: Valve to Ell:>ow System ID:
RC ------------------------------------------------
Compo n en t.10: 11715*WMKS.0103W / 6-RC*20 / 41 Si:ze/Leilgtll:
0.9"/20.,8>>
Thickness/Olameter:
0.718"16,0" Umitatioos:
Single sided due to con(lguratH:m.
Start Time:
2241 Finish Time:
2304 lnstrumen.t Settings Seatch Unit
- Cal, Axial Oriented Search Unit Time Date Serial No.:
140723807 Serial No.:
OOVJBX Checks Calibration Initial Cal.
0703 311612108 Signal Sweep Sound Path Manufacturer:
Olympus Manufacturer:
KBA Reileqtor Amplitude%
Division Mocll:ll:
EPOCH600 Linearity:
L*18..oos*
Size:
0.315" M6d\\'il:
Comp-0 Inter. Cal.
2241 3/16/201.8 1"N.otch 80%
7.2 1.44o" Delay:
5.800 IJS Range:
2;cr*
Freq.: 2.2'5MHZ Center Freq,:
Inter. Cal.
- NIA, 3/16/2018 Inter. Cal.
2304 M'tlCalNef:
0.1235 infµs Pulser:
Square Exam Angle:
45*
Squint Angle:
N/A Final Cal.
3/1712018
.0030 Damping:
4000 Reject:
0%
Measured Angle: ~
Mode:
Shear Coupfant Rep. Rate:
Ai.Ito Freq.:
2,25Mhz Eidt Point 0,25B
- of Elements: Single Cal. Batch:
Filter:
0.5-4Mhz Mode; Fullwave 17F087 Circumferential Oriented Search Unit Conng.:
Single Focus:
NIA Type:
Sonotech Calibration Signal Sweep Voltage:
400v Other:
NIA Shape:
Round Contour.
Fla.t Mfg.:
Sonotech ReffectOr Amplitucle%
Division Sound.Path Wedge Style:
MSWQC Eii8maatch:
17F087 NIA Ax. Gain(dB):
13.0
- Ciro. Gain (dB):
NIA Search Unit Cable Type:
Sonotech 10 Screen Div."'
2 in. of Sound Path Type:
RG174 Length:..!.. No.. Conn;: o MF.
Sonotech g..
Calibration Block, Scan Coverage Cal. Block No.
10876 Upstream D Downstream@ Scan dB:~
Refe~nce Block Reference/Simulator Block Gain Signal Sweep Thickness 2.25" Dia.:
0 cw~
CCW@ Scan dB:
25 Serial No.:
05*6533 dB Reflector Ampntude% Division Sound Path Cal. Blk, Temp. 70" Temp. TO<)!:
1066BGCY E~m Surface:
.-- T~e:
SS Rompus Block 13.0 FSOH 21%
5.3 1.063" Comp:Temp.
77* Temp. Tool:
1066BGCY Surface Condition:
Smooth Recordable lndication(s).
Results:
NRI @
D RIO (If Yes, Ref. A,tt!!ched Uttrasonic Indication Ge.om D p
Comments: None.
Percent Of Coverage Obtained > 90%:
Examirulr Leve!
ll*PDI Hacker, J.onathan Examiner Level NIA N/A Other NIA Le11el NIA UT Calibration/Examination No Reviewed Previous Data:
Yes Date Oafe
- Ji Date m
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ER*M-NOE*UT -802 Site/Unit:
NAPS Oula9e No.:
N1R26 Summ.iryNo;:
N1.R1.11.012 Procedure Rev.:
5 Report No.:
I.IT-18 --018 Workscope:
ISi Wo.tk Order No.:
5.9103057002 Pa11e:
2 of 5
Code:
ASME 2004 Ed.
Cat.lllem:
R-AIR1.11 Locatiom C.Loi:>pRm Drawing No.:
11715*WMKS.,0103W
==
Description:==
ValveJo Elbow System ID:
RC -------------------------------------------------------
Com pone n t ID: 11715-WMKS-0103W I 6*RC*20141 Si:te/Len!lth:
0,9"/20.8" Thickness/Diameter:
0.718"/6.0" Limitations:
Single sided due to ci:>nfiguration, Start Time:
2304 Finl.sh Time:
2324 Instrument Settin9s Search Unit Cal *.
Time Date Axial Oriented Search Unit Serial No.:
- 140723807 Serial No.:
S10321 Checks Calibration Signal Sweep Manufacturer:
Olympus M;mufaclur11r:
GE Initial Cal.
1923 3/16/2018 Reflector Amplitude%
Division Sound Path Model:
EPOCH600 Linearity; Ls18 *006 Size:
- 375ff Model
Comp-G Inter.Cal.
2304 3116/2018 1"Notch 80%
7.2 1.8" Delay:
7.0011 µs Range:
2.sou Freq,; 2.2S MHZ Center Freq.:
NIA lntt!l:.Cal.
NIA 0.1230 in/µs Pulser:
Square Inter. Cal.
2324 3(1612018 M'tlCalNel:
Exam Angle: ~
Squint Angle: ~
0031 3/17i2018 Final Cal, Damping:
400.0 Rejee):
0%
Measured Angle: ~
Mode:
Shear Rep. Rate:
Auto Freq.;
2.25Mhz Eld! Point 0.3"
- .of Elements:
1 Coup!ant Filter:
0.5-4 Mhz Mode:
Fullwave Focus:
Cal. Batch:
17F087 Circumferential Orient.ed Se.arch Unit Config;:
Single NIA Voltage:
400 V Other:
NIA Type:
Sonotech Calib(i1lion Signal
~i"'f!ep Sound Path Shape.:
Round Contour:
Flat Reflector Ampfilude %
Division Mfg.:
Sonotech Wedge Style:
MSWQC NIA Ax. Gain (dB):
29.0 Cii'c. Gain (dB):
NfA Search Unit Cable Exam Batch:
17F087 10 Screen Div."'
2.5 in. of Sound Path Type:
Length:..!.. No.Conn;: o Type:
Sonotech RG174 Mfg.;
Sonotech Calibration Block Scan Coverage Cal. Block No.
10876 Upstream O Downstreamfi!j Scart dB:~
Reference Block Reference/Simulator Block Gain Si9na1 Sw!fep Sound Path Thickness 2.25" Dia.:
0 CWfi!j CCW~ ScandB:
41 Serial No.:.
05-6533 dB Reflec:to.r AmpUtudeo/o DMsion Cal. Slk. Temp. 2!.. Temp. Tool:
1066BGCY
-- Type:
SS Rompus Block Exam Surface:
OD 11 t* Rad 95%
4;0 1.0~
Ct:imp.Temp..IJ.:... Temp. Tool:
1066BGCY Surface Condition:
Smooth p
Results:
NR! feJ RID Qeom O Comments: Effectlv11 c<>verage using.the so* search unit has be:en verified by the presence <>f"the weld root response during the requited scans.
Percent Of Coverage Obtained> 90%:
Examiner Level 11-PDI Hacker, Jonathan Examiner Level NIA NIA Other NIA Level NIA UT Calibration/Examination No Reviewed Previous Data:
Signature' Yes Date 3/16/2018 Date I ANll ~eview Date Date m
z 0 r 0
CJ)
C
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~Dominion' UT Calibration/Examination Procedure:
Site/Unit:
ER*AA-NOE-UT*802 NAPS Outage No.:
N1R26 SurnmazyNo.:
N1.R1.11.0.12 Procedure.. Rev.:
5 Report No.:
UT-18 *(>18 Workscope:
ISi Work Order No.:
59103057002 Page:
3 or 5
Code:
ASME 2004 Ed.
C;il./ltem:
R-A/R1.11 Location:
C Loop Rm Drawing No.:
11715*WM1<S,01Q3W
==
Description:==
Valve to Elbow System ID:
RC ------------------------------------------------------
Com pone n ! ID: 11715*WMKS~0103W / 6*RC*20141 Size/Length:
0.9"120.8" Thickness/Diameter:
0.718"/SJ)"
Limitations:
Single sided due to configuration.
Start Time:
2324 Finish Time:
2334 Instrument Settings Search Unit Cal.
Time Date Axial Oriented Search.Unit Serial No.:
140723807 Serial No.:
S10328 Checks Calibration Signal Sweep Manufacturer:
Olympus Mimufacturer:
G.E lnitl_al Cal.
1937 3'16/2018 Reflector Amplitude%
Division Sound Path Model:
EPOCH GOO Linearity:
L*18.006 Size:
.375" Model:
Comp-0 Inter. Cal.
2324 3/16/201.8 1" Notch 80%
8.4 2.9" Delay:
7.800 ps Range:
3.50" Freq.: 2,25 MHZ Center Freq.:
NIA Inter. Cal.
NIA M'tlCalNel: 0.1235 lnfµs Pulser; Square 70° Squint Angle:
NIA Inter. Cal.
2334 3J16/201Q Exam Angle:.
-*-- Final Cal.
0032 3/1712018 Damping:
4000 Reject 0%
Measured Angle:
10*
Mode:
Shear Freq.:
Couplant Rep. Rate:
Auto 2.25Mhz Exit Point 0.4°
- -of Elements:
1 Fitter:
o.ti-4 Miu Mode:
Fullwave
-- ca1. Batch:
17F087 Circumferential Oriented Search Unit Contig;:
Single Focus:
N/A Voltage:
40h Other:
NIA Type:
Sonotech Calibration Signal.
Sweep Sound Path Shape:
Round Contour:
Flat Reflector Amplitude %
DMslon Mfg,:
Sonotech Wedge Style:
MSWQC NIA Ax. Gain (dB):
33.0 Circ; Gain {d8):
NIA Search Unit Cable Exam Batch:
17F087 10 Screen Div, =
3,,5 In. of Sound Path Type:
RG 174 Length:..!_ No. Conn.: O Type:
Sonotech Mfg.:
Sonotech Calibration Block Scan C<.'iverage Cal. Block No.
10876 Upstream O Downstream 0 Scan dB:~
Reference Block Reference/Simulator Block Gain
. Signal Sv,ieep sound Path Thickness 2.25" Dia.:
0 cwo CCWO Scan dB:~ Serial No.:
05-6533 dB Reflector Amplitude% Division Cal. Blk. Temp. ~
Temp. Tool:
10ll68GCY Exam Surface:
00 Type:
SS Rom pus Block 9.0 1" Rad 70%
2.9 1.0" Comp. Temp.
I!:._ Temp. Tool:
1066BGCY Surface Condition:
Smooth Recordable Indication($):
Yes O No@
(If Yes, Ref. Attached Ultrasonic Indication Report.)
Results:
NRI 0 RI 0 Geom O Comments: None.
Percent Of Cpverage Obtained > 90%:
Examiner Level U-PDI Hacktt, Jo_ilathan El<ai'rllner Level NIA NIA Other NIA Level NfA UT Calibration/Examination No Re\\i\\ewi,d Previous Oata:
Yes re Date Date 3/16/2018 Date Signature Date Date m
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,Doftll11ion*
Sltlll'Unlt:
IIIAPS Ptm:ll!!dure:
ER-M,f.lDE-l.lT.ml:l Outage No,;
>>tltttl Summart N0,.;
~Ul1.11.1112
~
~.:
RellGt No.;
Ut *18 4l'lil Wort~:
1st Wc.\\ On:!er ~;
~0$~$7002 Pag.i:
4 (If Ii Codt:
MMl:.201\\14Ed.
C Loop Rm Dt1111mg Np.;
1171$.WMKUtOffi Oe!icrtptbt V~e to Eloow SYt,lml ID:
RC --,-----------------------------------------------
Com~ 10: ifnS*WMKS..01~ /G,RC,to I 41 mm1Lql:ll'.
o.irm.r
~n1t11111nelll!r:
o.T11$"/Ur Um~!Ma:
SingJ<<,rded dw w,ccmffg1mttlon.
~Time;
~
Flrii$.11 ilintr.
U41 k,att:h\\Jnlt lnslruirntnl htllnglil 1407UIQ1 Serial No.:
i!,i.1011 Manul111Q1u.;
01ymJHII$
Mil!A!fll~
RTO Cal.
~
.~CIIL Date JuJal Oriented Siellrch Uni!
~
Sfg,-.l!,1.*
~e~ Al'lifllltl.tde %
Serial Na,,;
ModGI.'.
EPOCH GOO l~(y.
1.*13.CH S'im:
- i!IIX14)
Mooe!: TR:t.2.-AUST ! *<<**** ~-* 1 t* illottlh ail%
1,1" 0111i!y:
U ~"
Rm09111:
2.50" Freq.: u fi'JHZ Canter frlli1:;x NIA M'.iJ CaWeh O.n3.0 i~
Put11111r:
Square OllfflP!nil:
.40ct Cl
~eat:_!!
brmAng~ _.!!:_ Sqiilnl~e; 2!_1:::J __ i I _. *-*d MNISUJllCI Ami*,
eo*
MQda: i!NGITIJIOINA R11p. Ri'illfl:
- Aun, Freq,:
UMm:
Eid! f.ltllnt 0.3"'-ill o( Elements:
2 Co1¥J)ll!lt Coot19.:
O.SBS Foou11:
FO.i>.6"'
CilL ~ 17FCIS7 T'f?a:
S0no1*e11 Shai:,<<
R11imgul11r ~
Fl.Al' S
m,11**
onoc....,
Wfldga Stylll::
l~grlli MC!<*
Fulll'lil\\"!,
~her.
- NIA Flltar; 0,$,11 Mm V~:
"v Olltl. Gain (dB:);
NIA M..G411in(da~
41.0 Ellilm Barolt:
11FCB1
.Snrch Uit&t Cabla fype:
.. onot*dl 10 ~
Olv.
- Ui lrt, of Type:
RG 174 LE!l')ljllh: t' No. Com,; !I Mt!,!,;
Sonojcidl CaJ11>111~1>n Block kan Go~tag*
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'GWO ccwo StimdB: "ii" $1}ffalNc.:
CIMUl Cat Btk, temp *..!!:_ Temp, fll);CI!;
1MGBO<:Y
&aim Surface;
£2.
-- TyPe; SS R<impuo 81odt Comp. Temps. !J:_ Temp, fll);CI!;
1Hi1BGCY Si11f11i::e Condi~n:
!moelh R~tdal:ll11 lndicaii1>n(*};
Ylll& 0 No lit.I (If Ya, Ret AUIIClh!ild lllftl1l!lllnlo lm:l.iCillb Reporl.J Cltcumfenn<<TII Otlciitlfd Sear,ch Unal
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~n~
Pa!ll NIA Gbln dB U'.O I 1".bd.
Soundfl<IJlll 1**
Rault.:
N!l\\11 fia RI Geoff! 0 Commll!!ll:l.: l\\l(lne.
J:>artiant Of CM,. Obaelnll!Q > 00%:
No, Ri!wiwed ~IJfl Oata:
feJWJ>1lrler 1.e*ltll O*PCU
- l)BAe H.lillllff, Jo11.t111i1n i:WTJlnitt
- ~ titA
,1;1r*
$lgnaJUm Date:
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ENCLOSURE R1-2 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 41 of 97
-~::"
Report No:
UT-18..018 Summary No:
N1.R1.11.012 Page:
Sof5 Of\\'L Prepared By:
D.R. Cordes um Date:
3/20/2018 Weld No:
1171S'-WMKS-0103W Weld 41 f,e.("(,1 ""~ c.u.'1,1J1..
Weld T":
0.718" Nom Weld Length: 20.8" h b', ~
- ,/t f/1.,41 ¥ Weld Width:
0.9" l"
I"
~
.,. 8"E FLOW ~615"/e&g,Cowrage ValveSIE 9.48" Required Volume-(0.24"H x 1.9W 20.S"L) or4.74"Vol perside.
T&C's from prior data (UT-07-142 and A08476) 50% Code Required Volume Examined (Weld)
Weld Exam Volume Dimensions:
Height 0.24°(Nom)
Length 20.8" Width 1.9" Coverage Summary Required Scans (each has a weighing factor of 100 for complete coverage)
Angle UDSt,.Ax UpSt..Circ DnSt-Ax DnSt..Circ 45°/60° Sh 0.00%
0.00%
100.00%
100.00%
60Rl 63:50%
Code Coverage Total 50.00%
Best EffortCoveraae(Max 25%) Total 15.90%
Notes:
- 1) Cade Coverage O;!fers to.the maximum percentage of the required examination volume that.iR effectively examined with the qualified examination procedure.
- 2) Best Effort Coverage refers to the required examination volume past the weld centerline that is examined in the axial beam direction with an Appendix VIII demonstrated procedure for single sided coverage.
t:!""'Reviewed 'lh#J-'
CJ Witnessed u.,.rffnrd
- .:>team Boiler 9531 HSB
,Dominion' UT Calibration/Examination ER*AA*NOE;UT-802 Outage No.:
N1RZG Site/Unit:
NAPS Procedure:
o* Summary No.:
N1.R1.11.013 Procedure Rev.;
Work Order No.:
5 Report No.:
UT-18.019.
Woikscope:
ISi 59103057002 Page:
1 cif 5
Code:
ASME2004 Ed.
Cat.ntem:
R*A/R1.11 Location:
CLoop Drawing No.:
11715*WMKS-0103W Oescriplicin: Pipe to Branch System ID:
RC ------------------------------------------------------
Component ID: 11715-WMKS.0103W / 6*RC-20 / 42 Size/Length:
0.9" 120.8" Thi.ckness7Dlameter:
0.7111"/6.0" Limitations:
See comments Startnme:
2241 Finish Time:
2304 Instrument Settings Search Unit Cal.
Time Oate Axial Oriented Search Unit Serial No.:
140723807 Serial No.:
OOVJBX Checks Calibration Signal Initial Cal.
3/16/2108
. SW11.ep Sound Path Man1.1fact1.1rer:
Olympus Manufacturer:
KBA 0703 Refleclor Ampl111.1de%
Division Model:
EPOCH600 Linearity:
L*18 *006 Site:
0;375" Model:
Comp*G Inter. Cal.*
2241 3(16/2018 1" Notch 80%
7.2 1.440" Delay:
5.800 µs Range:
2.0" Inter.Cal.
N/A Freq.;
2.25MHz Center Freq.:
NIA 3!16/2018 Inter. Cal.
2304 M'tl CalNel:
0.12:35 in/pa Pulser:
Square Exam Angle:
45*
Squint Angle:
N/A Final.Cal.
0630 3/1712018 Damping:
4000 Reject:
0%
Measured Angle;.
45*
Mode:
Shear Rep. Rate:
Auto Freq.:
U5Mhz
- of Elemen~: Single C 1 8 ch Couplant Exit.Point 0.25~
Filter:
O.MMhz Mode:
Fullwave
- a. at:
17F087 Circumferential Oriented Search Unit Conllg.:
Single Focus:
N/A Sonotech Type:
Calibration Signal
$weep Voltage:
400v Ott)er:
N/A Shape:
Rounci Contour.
Flat Mfg.:
Sonotech Reflector Amplilucfe%
Oivl$ion Sound Path Wedge Style:
MSWQC Exam Batch:
17F087 N/A Ax. Gain (dB):
13.0 Circ, Gain (dB}:
NIA Search Unit Cable Type:
Sonoteeh 10 screen Oiv. =
2.0 in.of Sou.ndPath Type:
RG174 Length: i;*
No. Conn.; J!.. Mfg.:
Sonotech Calibration Block Scan Coverage Cal. Block No.
'10876 Upstream ~ Downstream O Scan dB: 25.0 Reference Block Reference/Simulator Block Gain Signal Sweep CCW~ Scan dB: W
.Serial No.:
05-6533 Sound Path Thickness 2.25" Die.:
0 CW@J dB Reflector Amplitude% Division Cal. Blk. Tel)lp,...:!!._ Temp. Tool:
1066BGCY Exam Surface:
00
-- Type:
SS Rompus Block 13.0 FSOH 21%
5,3 1.063" Comp. Temp..II:... Temp. Tool:
106&BGCY Surface Condition:
Smootl'l p
Results:
(Ii}
NRI Q)
D RID Geom O Commenls: Single sided due to configuration. Welded pad from 6"-t!"
Percent.Of Coverage Obtained> 90%:
Examiner Level H-POf Hacker, Jonathan Examiner Level NIA NIA Other NIA Level NIA UT Catibration/Examinatlon No Reviewed Previous Data:
Yes Signature Slgruiture
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,Dominion' UT Calibration/Examination Code:
Drawing No,:
System 10:
RC Site/Unit:
NAPS Summary No.:
N1,R1;11.013 Works cope:
ISi Procedure; Procedure Rev.:
Weik Order No.:
ASME 2004 Ed.
CalJltem:
R*A/R1.11 f1715*WMKS-0103W
==
Description:==
Pipe to Branch ER-AA*NDE-OT-1302 Ou.tage No.:
N1R26 5
RePOrt No.:
UT-18 *019 59103057002 Page:
2 of 5
LO,;;ation:
C lo<>j>
Component ID: 1171S-WMKS*0103W / J>-RC-20 / 42 0.9" /20.8" S!ze!Leng!h: ------
Thickness/Diameter:
0.718"/M" limitatio~:
Single sided due to configuration *. Welded pad from 6"
- 8".
Start nme:
2304 Finish Time:
2324 Instrument Settings Search Unit Cal.
Time Date Axial Oriented Search Unll Serial No.:
140723807 Serial No.:
S10321 Checks Calibration Signal Sweep Manufacturer:
Olympus Manufacturer:
GE Initial Cal. 1923 3/16/2018 Reflector Amplitude%
Division Sound Path Model:
EPOCH 600 linearity:
L~18-006 Size:
.375" Model:
Comp-G Inter.Cal.
2304 3/16/2018 1"Notch 80%
7.2 1.8" Delay:
7.000 µs Range:
2.SO" Freq.:
2.25MHZ Center Freq.:
- NIA Inter.Cal.
NIA M'llCalNel: 0.1230 in/11s Pulser:
Square Inter. Cal.
2324 3/16/2018 exam Angle: ~
Squint Angle: ~
Final Cal.
3/16/2018 0031 Damping:
400'2 Reject:
0%
Measured Angle:
so*
Mode:
Shear Couplant Rep. Rate:
A4to Freq.:
2.25Mhz Exlt Point 0.3"
- of Elements:
1 Filter:
0.5-4Mhz Mode:
F11llwave
. -- Cal. Batcn:
17F087 Circumferential Oriented Search Unit Config.:
Single Focus:
N/A Voltage:
400v Oiher:
NIA Type:
Sonotech Calibration Signal Sweep Sound Path Shape:
Round Contour:
Flat M~
- Reflector Amplitude.%
Division g *.
Sonotech Wei;lge Style,:
MSWQ.C NIA Ax. Gain (dB):
29.0 Circ. Gain (dB):
NIA Search IJnlt Cable Exam Batch:
17F087 10 Screen Div. "
2.50 in;qf Sound Path Type:
RG 174 length:..!. No. Conn.: o Type:
S.onotech Mfg.:
Sonotech Calibration Block Scan Coverage Cal. Block No.
10876 Upstream.2) DownstreamQ ScandB: ~
Reference Block Reference/Simulator Block Gain Signal Sweep Sound Path Thickness 2.25" Ola.:
0 CW2)
CCW@ Scan dB; 41.0 Serial No.:
05-6533 dB Reflector Amoliiude.% Division Cal. Blk. Temp. 10* Temp. Toot:
1066BGCY Exam Surface:
OD Type:
SS Rompus Block 11.0 1°Rad 95%
4.0 1.0" Comp.Temp. J.!_ Temp. Tool:
1066BGCY Surface Condition:
Smooth Recordable lndication{s):
Yes O No@
(lf Yes Ref. Attached Ultrasonic Indication Report.)
Results:
NRI@
RI 0 Geom O Comments: Effective coverage using the 60" Harch unit has been verified by the presence of the weld root rel!ponse during the required scans.
Percent Of Coverage Obtained > 90%:
Examiner Level ll~POI Hacker, Jonathan Examiner Level NIA NIA Other NIA Le.vel NIA UT Catibratlon/EX11mlnatli:m No Reviewed Previous Data:
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SiteJIJnlt::
/IIA!>S Pmcedr.tm:
ER.;'IJl..ffl>E-UT..110:t
- 01.!~lt N,Q,:
N1R:26
&,mlffltl'Y !'ili:i,;
N1,R1,t'l.lhl l'r~ fl11v,:
II rl@llffl No..
UT*tll.f:119*
W~
ISi Wont <Jrdet No; 5910$0~:2 Pa~
- t of 5
Code:
A$1111E lffl Si:!,
CiitJliliamt R*NR'I. f1 l..l::,Q1!4fon:
C l.oop OrllMf'IUNo.:
1111 S*WMIKS".1'.1103W Oe~on: Pip, to 8:rancll svsiem IJD:
RC --:-----------------------------------------------
Com PQr!lll nl 10: H7'1~Wrilll(&4>103W f 6.J:lc.20142 o.,.. r.l!J.S" SiUllll!flg'1:
~11111nit1t.irn11t111r::
0.1111'."IBJJ" l.lmbilOi'!!!i:
Som~
Slllr!ilrnll:
2324 Flnl&ll Tlme:
ffl,.i, ll'fi,irume111 Slilliri9*
fiiirch'Uitlt C#I.
Time Dlillt
~
Orl11irt11d Selirel't Unll
$eirlal No..:
14012311117 Ss&!No.:
S~ltl C:Meks
~rem,n
~.
SW1$ep Mi!11'1Ufflc11.1ffl':
Ol)'tllj!lilll Milll'luftlcillittit:
OE lnill111 Cat. 1937
- tNi!liZO"II Rell~
Amplll\\ldll'l'rt Owlt!lon Sound P1111' Mo1,*i11t f;ll'()Cl,j(POO Ul!INility:
l.*11.0011
$JU:
,375"'
Mi34ifli:
Comf-G...
ln!l!lr. Cal.
2324 Wfffl0111 1" N¢1t1111!
llO"l, 8/4 2-r Otlay; 7,BOOfs Ra.:
.s.w Fl'lllct,: U!! MHZ.
CMlill'Fmq,;
WA lnli!r, Cal.
NIA 1nht.Cal, 2334 lJ1Gi:2011l M'II cawer. o.tm inl1J$
Puiisilf:
Squara EDfll Ang!* _1!_ ~.Anglel NIA flrnii C/!I, lJ11~0tll 00:1, DiJtll~::
4000 Reja~:
0%
Mlffllliull!d Anglia:; _!!,_ Mod',e; S.hO!lf Rep.Rslt:
Auto Fmq:.
U5Mlii:i:
a/tPoln!
1),4"'
- oletemem:
1 CoupTMl FHJ1,r; Q,MMhr Mode:
fltltwav11 _
Conflg,:
ff;-- Cal, Balm:
11FCl117 Ci~mbltentf.al Orltnled Sl~ Ul'!dt Si"91it F'i:iCii$:
~
\\lol~I!:
.aov cithar:
WA Son<im:<l'I Csllbfafioii SI~
$\\1111$@?
Sour.ci ?sil'I
. Snape:
c:!ound C:!ntaur; fl.at M~.:
SonotMJh R<<if!ct::t<:M'.
Atn;!Jitvda ~
Clt'\\ll$11M Wooi,ie Stir*:
MSWQC mA
"'"* a.a,n (lffl)l 33,0 Ore-Gain tdBli WA S4111111:ih Un1t Cabl11 mm Balch::
11F0$1
'UI ~DIV,"' U'O
'"' QI Sct.u11tf P11lh Calib~Ol'I &iit>ck C;flf,Sl~NQ, 10811 To'lt:kni!S!i 2.26"'
Dia,:
0 em. 0111:., Tfkmj') *.2!'.., Tl!lfflp, Tool:
105&9~(l'f Claalp, Teil!lp, 11'. Te.tnJl, Tool:
10$6EJGCY
~;
Nro [\\i?l Rl 0 Tyi:i,e;*
lypa:
S1J11~h RG 174
~~;.&' N~ Cann,:; 0
-Mtg,.:
Sonot!Klh
.SC.11 0Werag11 v~~ ~11rno bndl:I: ~
Fhlfmlnce Blad!
~l'lffl~tmulittar Block Gain
.~
Sffll~ l300ndPalll c:wo CCW O Scan Ila: NfA ~No,:
115*!16311 di ~or Al'n~",1/; tll~
&mr!Slllf'l!tu:;
Surmc Condb,
(
Gwni 0 O!I
--T~:
Smooth Ultti!mci tndletilloo ~.)
- SS fflffll,>U$ f!4orik......
l!.11 t*Rat:1 TI!%
2.9 1..0" Ccmtt1Mls: Single sided du11 t'O confifura!Ji:m, Wtlfti:l, pad ftCMn I"*
1".
~nl Of Cmliil'* ()blafrmtt"' 00%:
No Re~ Frevlout Oats:
Yt'i
&lm!Mf L11>Jeil lt.PDI ti:al.~r, Jon1111Ja~
~-
l~~,MIA WA O<<-
NIA L~ lllfA l1r ~J.br~*nlrnl!Son
$1/,Mlr.tte
°'611?
t::ml4!i t /)dJI'
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,Dominion' UT Calibration/Examination Proeedure:
ER*AA-NDE.\\JT"302 Site/Unit:
NAPS Ouls(le No.:
N1R2$
Summeiy No.:
N1.R1.11,013 Procedure R11v.;
!I Report No.:
IJT*18 *019 Wolf(scope:
ISi Wolf(. Order No.i 11910~&7002 P11911:
4 Of S
Codu:
ASME 2004 Ed.
CsU!tem:
R*AIRM1 Loea11on:
CLoop Drawing No.:
117111*WMKS-010~W Descriptio11; Pfp!I to Branch System ID:
RC ------------------------------------------------------
Comp on ant ID: H715*WMKS*OH!3W / l!*RC-l?O I 42 SIM/t.origth:
D.9" 120.a~
1h!ckness1Diainetru:
0.718"/6.0" Limitation&:
Sn eommenla Start Time:
2230 Flnlsh Time:
2241 lnstrlimon.t Sottlngs Soarch I.Jnlt c,1.
Tlmt Axlal Orlontod Sutch Unit Date Serial No.:
140723807 Serial No.:
OIM08 Chteks Ctillbrat.!on Signal Sweep Manufacturer:
OJ~m(!l.iiJ Manufacturer:
RTO Initial Cal. 1830 3/1812018 Re0+:1ctor Ampntuds%
Division Sound Path Model:
EPOCH 600 l.lnearfly:
l.*18.006 Size; 2j8X't4}
Model: TRU,AUSi Inter. Cal, 2230 3/16/2018 1" Notch 80%
7,8 1,9tt Delay:
uoo 1a Range:
2.50" Freq.:
2.0MHZ Center rteq.:
NIA Inter.Cal, NIA 1ntet. Cat.
2241 3/16/2018 M'llCaJNel: o.2230 ln/1.111 Pulser.
Square El<<!nl Angla: ~
Squini Anglo: ~
FlnalCIII.
3/17/2018 0034 Dompl119:
4000 RoJoet:
i!o/o Measurftd Angle: _!!... Mooe: l.onglt11dlnid Rep. Rote:
Auto Freq.:
2,0 Mhz
!;xii Point 0.3" II of Element$;
2 Co11pfant Fi!t&r:
D.!!..(Mhr; Mode:
FuUwave Focus:
FD.;;;- Cat Batch:
17F087.
Clrcumfen111tlal Orhmted search Unit Conf!g.:
0-SBS Voltage:
400V Other:
NIA Typ11:
Sonotech Calibration Signal Swoap Sound Path Shape:
Retangular ConloLlf:
FLAT Reflector Amplllude%
01\\/ffllon Mfg.:
Sonotech Wedge Style:
Integral Ei!am Saleh:
NIA Ax. Gain (d8):
47.0 Cito. Galn (d8):
NIA Search Unit Cablo 17F087 10 Scraen Div.., 2.50 In.of St:iund 1111th RG 174 length: 6' No. Conn.: o Type; Sonotoch Typo; Mfg.:
Sonotoch Celllmlllon Block Scan Coverage Cal. 8Jook No.
10816 U1>$tream ~ Downstream D Scan dB:.!!:!.
~ofonmco Block Refarence/Slmulator Block Gain Sign;il Sweep Sound Path ThlekneH 2.25" Ole.:
0 cwo CCW D Scan dS: ~
Sari11IN0.:
05,61133 ca Reflector Amolltude% OMslon Cal. BU<. Temp. 2!!:_ Temp. Tool; 10668GCY e~m Surface:
OD TyJl{I:
SS Romeus Block 23,0 1" Red eo*k 4.0 1n Comp, TBltiP,..!!:.... iomp. Tool:
1061!BGCY Stirla@ Condilion:
Smooth Recordable l11dlcatlon{s):
YHO No~
(If Yes, Ref. Attached Ultrasonic lndk:atron Report)
Resul13:
NRl ~
RIO Geom D Comments: Slnglt elded due 10 configuration. Weldod pad from 6"*
8".
Perwnt Of Coverage Obllllnitd > 90°4:
examiner
- Level 11,POI Hocker, Jonathan examiner NIA Other NIA Level NfA Level N/A UT Callbratlon/Examfnatlon No Reviewed Previous Oata:
Slgnelure Signature Si911abJto Yes -
oaio R11viow&t Oolll 3116/2018 Oartn)' Cordilll l.v Ill 3/20/2018 Oeta Site Revlow Dato Oennli. Strickland l.v II 3/31/2018 Dale I ANII Review Date m
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ENCLOSURE R1-3 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 46 of 97 D... :.. *.
- Jlli'i!.
- o. m1n1on
.Tiflll"' ~nergy-Report No:
Summary No:
Weld No:
11715..wMK$,0103W Weld 42 Weld"T":
0.718'° Nom Weld Length:.... 20
..... _e.. _____ _
Weld Width: ;:::o=.r======--.:-~----;-------,
- o. __
" l~ o/4'/~
9.48" Required Volume- (0.24"H x 1.rrw 20.S"l) or 4.74" Vol per side.
90.38% US Ax/Ciro (2' of 20.8 "not" examined due to welded pad)
T&C's from prior data (UT*07-145) 45.19% Code Requtred Volume Examined (Weld)
Halght 0.24" (Hom)
An le 60RL UT~1S..019 N1.R1.11.013 loU
()
D.R. Corde¥ f,;JI 3120/2018 0.00%
Code Coverage Total Nolfl:
J *#1o
- 1) Code COYerage refers to the maximum percentage of the required eumioation volume that is effectively examined with the quallfied examination procedure.
- 2) 8fit Effort Coverage refers to the required examination vowme past the weld centerline that is examined in the axial beam direction with an Appendix VIII demonstrated procedure for single sided.coverage.
r:r'llevi.wed
!] WJtnaAed c~ I.vii arti
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 47 of 97 R2.
Risk-Informed Piping Welds Subject to lntergranular or Transgranular Stress Corrosion Cracking (IGSCC or TGSCC) 4.R2 IMPRACTICALITY OF COMPLIANCE In accordance with 10 CFR 50.55a(g)(5)(iii), relief is requested from the "essentially 100 percent" volumetric examination coverage requirement for the identified piping welds.
This requirement is considered impractical primarily due to single-sided access for these components.
Up/CW/CCW Up/CW/CCW Up NOTES:
1 Up Axial scan on the upstream side of weld Dwn Axial scan on the downstream side of weld CW Circumferential scan in the clock-wise direction CCW Circumferential scan in the counter clock-wise direction 45 60 60 Shear Shear Longitudinal 1.5 1.5 2.0 This examination was performed manually using advanced ASME Section XI, Appendix VIII demonstrated procedures and techniques in accordance with the performance demonstration requirements. Based on access and physical limitations of this weld, alternative or other advanced technologies would not have provided complete coverage of the examination volume at the time of this examination.
The attached enclosure includes the complete Ultrasonic Examination Data Record for the Category R-A, Item R 1.16, examination included in this request. The report includes details of the UT scanning apparatus, including transducer size, frequency, angle, wave modality and insonification angles.
Also included are scan plots for the examination showing the piping configuration and percent coverage for each individual scan. There were no recordable indications identified for this examination.
Weld 12 (6"-Sl-133) was a single-sided examination due to the pipe-to-valve configuration, limiting downstream scans. Weld 12 is considered both a R1.16 element subject to lntergranular Stress Corrosion Cracking (IGSCC) as well as a R1.11 element subject to Thermal Fatigue as the most likely
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th lnteNal 3rd Period Limited Exams Page 48 of 97 degradation mechanisms. The weld is on the upstream side of Low Head Safety Injection check valve 1-Sl-86, in the injection pipe to Reactor Coolant cold leg (27%"-RC-6). Additional "Best Effort" (non-Code) scan with a 60-degree L search unit obtained an additional 16.6 percent total coverage of the downstream side of the weld. Weld 12 in Line# 6"-Sl-133, is 1,500 lb.,
Type 316 seamless stainless-steel piping, with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 1 N316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength. Similar relief was granted for NAPS1 weld 41 (6"-RC-20), 50% coverage during the Third Interval.
There were also three similar welds granted relief for the NAPS Unit 2 Third Interval.
5.R2 BURDEN CAUSED BY COMPLIANCE The purpose of nondestructive examination (NOE) is to perform inspections without destroying the component. The physical configuration of this weld pipe-to-valve connection confines inspection capabilities. Detailed sketches of the limitations and inspection areas achieved have been provided. No further actions can enable better examination coverage.
6.R2 PROPOSED RELIEF AND BASIS It is proposed that the examinations already completed at the reduced coverage be accepted for meeting the Code requirements. All welds in these groups of High Safety Significant areas are pipe-to-valve welds and inspection would result in similar limitations. Therefore, no alternative selections are available to meet greater than 90% coverage. The limited volumetric examination should detect any general patterns of degradation that may occur in the areas covered, therefore providing reasonable assurance of the continued structural integrity of the subject weld. A portion of the subject weld was examined volumetrically.
In addition, this weld receives a visual examination during the system leakage test. Therefore, any pattern of degradation should be detected by this examination, ensuring reasonable assurance of operational readiness.
ENCLOSURE R2-1
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2004 Edition Cat./llem:
R*A/R1.16 Location:
RC241 Drawing No.:
- 11715-WMKS:.0103Y Oesct'.iption: PIPE-VALVE System 10:
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Start Time:
2230 Finish Time:
2240
. Instrument Settings:
Search Unit Cal.
Time Date Axial Oriented Search Unit Serial No.:
01XK03 Serfol No.:
00?3JK Checks Calibration Signal Sweep Manufacturer:
Krautkramer Manufacturer:
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USN60SW Linearity:
L-16.()23 Size:
0.375" Model:
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2230 9/22/2016 1.0fl Notch 80%
6.6 1.649" Delay:
7.96t9 µs Range:
2.50" Freq.:
1.5 MHZ Center Freq.:
NIA Inter. Cal.
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Squint Angle: ~
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Mode:
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Auto High SU Freq.:
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1 Couplant Frequency:
2.0MHz Rectify:.
Fullwave N;:- Cal. Batch:
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330 Type:
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NIA Reflector Amp1itude%
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Percent Of Coverage Obtained > 90%:
Examiner Level 11-PDI Stevermer, Aaron J.
Examiner Level NIA NIA Other NIA Leve!
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11715*WMKS-0103Y
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PIPE-VALVE System ID; SI ----------------------------------------,------------------
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RTO Initial Cal.
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Examiner Level 11-POI S!evermer, Aaron J.
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ENCLOSURE R2-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rct Period Limited Exams Page 54 of 97 R~port No; ur.:.16--088 Summary#NUU:16,005 Pg.5 of s
Prepared by: W.Thomas ----1,.,;J trr' Date; 9/'IA-/2016 Weldfllumbe.r Thidmess
- 12.
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Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 55 of 97 R3.
Risk-Informed Piping Welds Not Subject to a Degradation Mechanism 4.R3 IMPRACTICALITY OF COMPLIANCE In accordance with 10 CFR 50.55a(g)(5)(iii), relief is requested from the "essentially 100 percent" volumetric examination coverage requirement for the piping welds identified below. This requirement is considered impractical primarily due to single-sided access and configuration of these components.
With the exception of Welds 33, SW-31, and 27, the examinations in the following table were performed manually using advanced ASME Section XI, Appendix VIII demonstrated procedures and techniques in accordance with the performance demonstration requirements. Welds 33, SW-31, and 27 were examined using a procedure written in accordance with ASME Section V, Article 4, and ASME Section XI, Appendix Ill. Based on the access and physical limitations of these welds, alternative or other advanced technologies would not have provided complete coverage of the examination volume at the time of these examinations.
Enclosures R3-1 through R3-8 include the complete Ultrasonic Examination Data Records for each Category R-A, Item R1.20 examination included in this relief request. Each report includes details of the UT scanning apparatus, including transducer size, frequency, angle, wave modality and insonification angles. Also included are scan plots for each of the examinations showing the piping configuration and percent coverage for each individual scan. No recordable indications were identified for any of these examinations.
Weld 1 (8"-RC-12) loop bypass piping-to-loop stop valve body, is a stainless-steel pipe to cast stainless steel weld. The weld is 1,500 lb., Type 316 seamless stainless-steel piping, with weld filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength, and the valve body is SA351-CF8M cast stainless steel.
Coverage is limited because of the pipe-to-valve configuration, limiting the examination mostly to the upstream side. 50%
Code coverage was obtained. An additional 8.75% Best Effort (non-Code) coverage was obtained with a 60-degree longitudinal search unit from the downstream (valve) side. Similar relief was granted earlier in the Fourth Interval in request N1-14-LMT-001, Section R3.
SW-31 29"~1{G~7:> *
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NOTES:
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+ 25% BE R3i3/i
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'--: 4/10/20;1g::i;'.';
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Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 57 of 97 Weld 33 (27 1/2"-RC-9), Reactor Coolant System Class 1, was a single-sided examination (75% coverage) due to the reactor coolant pump-to-pipe configuration limiting upstream scans. The weld is at the Cold Leg side of the C-Loop reactor coolant pump. The reactor coolant pump casing is cast stainless steel ASTM A351-TP304, and the piping is centrifugally cast stainless steel material conforming to ASTM A-351 CFS with cobalt content not exceeding 0.20% and silicon 1.00% maximum.
Weld SW-31 (29-RC-7), Reactor Coolant System Class 1, was a branch connection weld limited examination (75% coverage) due to the 14-inch weldolet to reactor coolant loop piping configuration limiting downstream scans.
The examination was performed only from the centrifugally cast stainless steel side due to joint configuration. The weld is located on the Cold Leg side of the C-Loop between forged stainless-steel socket weldolet A-182-F316 material and centrifugally cast stainless steel material conforming to ASTM A-351 CFS with cobalt content not exceeding 0.20% and silicon 1.00%
maximum. Additionally, 100% coverage surface examination was performed to meet augmented requirements with no indications found.
Weld SW-7 (6"-Sl-131), Low Head Safety Injection System Class 1, was limited (74.5% coverage) due to lugs and a pipe clamp, limiting downstream scans. The weld is in the Low Head Safety Injection line to the Loop-A Cold Leg.
An additional "Best Effort" (non-Code) scan with a 60-degree longitudinal wave search unit obtained 5.5% additional total coverage of the downstream side of the weld. Line number 6-Sl-131, is 1,500 lb., Type 316 seamless stainless-steel piping, with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength.
Weld SW-8 (12"-Sl-69), Safety Injection System Class 1, was a limited examination (87% coverage) due to an adjacent support at either side of the pipe, limiting upstream scans. The weld is in the piping from the Accumulator to the C-Loop Cold Leg. An additional "Best Effort" (non-Code) scan with a 60-degree Longitudinal search unit obtained 3% additional total coverage of the upstream side of the weld. Line number 12"-Sl-69 is 1,500 lb., Type 316 seamless stainless-steel piping with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength.
Weld 18 (6"-RC-21), Reactor Coolant System Class 1, was a single-sided examination (50% coverage) due to the elbow-to-branch configuration,
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 58 of 97 limiting downstream scans. The weld is at the inlet nozzle from the Low Head Safety Injection system into the Reactor Coolant system hot leg (29"-RC-7).
An additional "Best Effort" (non-Code) scan with a 60-degree Longitudinal search unit obtained 9% additional total coverage of the downstream side of the weld. Line number 6"-RC-21 is 1,500 lb., Type 316 seamless stainless-steel piping. Weld 18 is constructed with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength. Weld 18 is also managed as part of the augmented thermal fatigue examination requirements of MRP-146 like other welds with similar configuration.
Weld 27 (29"-RC-7), Reactor Coolant System Class 1, was a single-sided examination (63% coverage) due to the loop stop valve-to-pipe configuration and instrumentation and drain lines, limiting upstream scans. The weld is on the Hot Leg downstream side of the C-Loop loop stop valve. The loop stop valve is cast stainless-steel ASTM A351-TP304, and the piping is centrifugally cast stainless-steel material conforming to ASTM A-351 CF8 with cobalt content not exceeding 0.20% and silicon 1.00% maximum, with Type 308 weld filler material.
Weld 4 (14"-RH-1), Residual Heat Removal System Class 1, was a single-sided examination (50% coverage) due to the pipe-to-valve configuration at valve 1-RH-MOV-1701, limiting downstream scans.
An additional "Best Effort (non-Code) scan with a 60-degree Longitudinal search unit obtained 25% additional total coverage of the downstream side of the weld. Line number 14"-RH-1 is seamless stainless-steel A-376-TP316 piping constructed with welding filler metal SFA 5.4 E316L-16, SFA 5.9 ER316L, and/or SFA 5.30 IN316L procured with 8-20 FN delta ferrite and 75 ksi minimum tensile strength. The Valve 1-RH-MOV-1701 body is ASTM-A-182
- F304 material.
The NAPS1 RI-ISi Program is based on ASME Code Case N-716 as identified in approved request N1-14-Rl-001. The subject limitations have been evaluated as acceptable, with no impact on risk analysis, and no further actions necessary to provide reasonable assurance of pressure boundary leak tightness. Weld SW-31 also received surface examinations. The subject welds are included in the Class 1 pressure boundary and therefore receive visual examinations at the beginning of each refueling outage as part of the Boric Acid Corrosion Control Program and VT-2 visual examinations at the end of the refueling outage once operating pressure and temperature is achieved before unit startup.
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rct Period Limited Exams Page 59 of 97 5.R3 BURDEN CAUSED BY COMPLIANCE The physical configuration of these welds, pipe-to-valve, pump-to-pipe, weldolet-to-pipe, lugs and clamps, adjacent supports, and elbow-to-branch connection, confines inspection capabilities.
Detailed sketches of the limitations and inspection areas achieved have been provided. No further action can be taken to enable better examination coverage without destroying the component.
6.R3 PROPOSED ALTERNATIVE AND BASIS These welds were selected because they were determined to be High Safety Significant with no specific active degradation mechanisms. Selections were made based on plant specific operating experience or history of examination, weld repairs, random selection across different pipe sizes and configurations, and radiation concerns. Inspection of these particular welds is considered the best choice for meaningful examination results.
It is proposed that the examinations already completed at the reduced coverage be accepted for meeting the Code requirements. 100% of the pipe-to-valve welds were volumetrically examined from one side. No indications were discovered. The limited volumetric examinations performed should detect any general patterns of degradation that may occur in the areas covered, therefore providing reasonable assurance of the continued structural integrity of the subject weld. In addition, the Class 1 welds receive a visual examination during the system leakage test performed at the end of each refueling outage. As a result of the completed examinations, any pattern of degradation should be detected, thereby providing reasonable assurance of operational readiness.
The purpose of the inservice inspection program is to assure the structural and pressure-retaining integrity of safety-related nuclear power plant components in accordance with the rules of the ASME Section XI Code and the requirements of 10 CFR 50.55a. Although Dominion could select only weld locations where greater than 90% examination coverage is possible (when available based on selection criteria), meeting the purpose of the Code requires selecting a mix of not only piping-to-piping welds (where essentially 100% coverage is more likely), but also piping-to-valve welds, piping-to-pump welds, piping-to-vessel welds, socket welds, nozzle-to-pipe welds, etc. The
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 60 of 97 ASME Code allows only 50% Code coverage for single-sided examinations.
In cases other than most piping-to-piping welds, the majority of weld examinations are considered single-sided examinations.
The risk-informed weld limitations are considered in ASME Code Case N-716 periodic updates to the Risk-Informed Program Plan, where the program is reevaluated to determine if any changes to the examination selections need to be made, including additional examinations if they are warranted. The limited examinations identified in this request have no impact on the change-in-risk evaluation for the third period, and no new examinations were added as a result of these limitations.
ENCLOSURE R3-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 61 of 97
UT Catibration/Examlnation Doml11lon' SliJ\\111.Wt NAPS 1
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03':46 ln~n.imcint s.ttln9s S*arch IJntt e..t Tim*
Dull Aull Orientated &.11.rciil Unit Smaft>b:
OUCKll3 Soria! No.!
S1Q279 Ch*ek,
. C.iflbratlon S1SJ!i'lli1 SMIIP Manufactuner.
l<rall4imll'Mt l,,1M11~ur1k GE lrtllla!C:aL 21:Si:l 111~.3 Reft\\i!cl'or Amplitude*~
tlMlim:Jfi Stlllnl'.!Psm Model:
USN GO SW l.!Marltv:
L.*13-0:1:3
!rm:
.3i'S" Model:
Con,p.O lnl#r. CaL 03:36 911712t13 t"Jl'l Notel:I 80%
UI
- l.OOQ" Deley:
U500tMJ Rq11r.
U24"... Fmq.: 2,25 MHZ.. Oneir Fmq.:
NIA 1nler, CaL
~A Nl'A.
. 011TJ2CU3 M'1l Ce.lJV11!4:
O.U%7fnf1tw, F'\\J~rTypl!:
!;gU!lffl
. 'Elfflm ~
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11'11111\\CaL Oll:*UI Flmrl c.. 06:HS fflTl:2'013 Oampiti!J:
!IOO Ohms Releet 0%
~,I)~~:..!!:... Mooe:
Sh11ar P~F;
.~lf!gh w,~.: :t,2liMHZ
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1 Cplilfflt.
FI8QUl!flq',
2;1,511!~
~
l"ullw1ilirir9 FOCr.1$.:
NI;:- Cal. Batch:
12.,Nl,66 Clfl'l:Umfenntial Ori11otal11d &1111th Unit
~.:
S1119l11 V~lllg,,r,
,WO, l"ulsa Width:
2211 Rwtld aor,toor.
fypei:
Sotlotacb
. CIJ!tifflti',;wi Signe!
s~ Sound Palh
- Sh10pit:
NIA M/9.:
MAGKAFLI.FX Ru~
kn~%
tlrrillAort Wed1,>11Siy6K MSWOC NIA Ai. Gllir!(de):
ff.7 Cira.. Gain (dB}:
'$'1,7 S-,:i'- Untt Calli.
Exam BMih:
12JCIII
'tel SGl'l!en Div. = * :t.ffl in.of t:iOJJndP~
'typ(t': RG,,174 L~h; I' No. Conn..: 0 Type:
SO<!'l<-h*eb
-Mr,.,.:.
IMAGNiAFUIX C.lllbratlon B'kloll SeanCovorago Cat Bbcili No.
Of.8$14 1.1ps111111m fi"l ~lmlimO $c.on d& 41
~~nctaloek
~mu1~1mu~ Sf:i:u;t 0
Gm
,;ta1 Swscp SC!.Jlld. Pu
'thl~
2.%&"
Ola.:
cw~
CGW~ Seim cf&; 43. 7 Serial No.:
05-6534 di Ref!mor Am W!I% ~
Cat Blk. Temp, 71". Temp. 1QC!k 1070BGCY E!:tcain $ufface; OD Tni<<
ss ~mpu11 Block
- SU F$DH wt.
4.2 1.M" Com!),. Toi,,p,,1!!._ 'f omp, Tool; 1J>74BGCY
~c~ M Welded I (;FQUM RH~<<Mbl, IMllc:allQ/11(11):
YoO No~
(!f*Y05,Rt!f.~Vllr~.1nr:ll\\cllltlon ~}
~uut111;:
NRI~
RI
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Guoo111 D No Ri!\\11~ ?f!llllir.l4s DaliJJ ___
'(11.*
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.v.olffled ~
ibil lfflffl!~ of th& WV!ld rr,,ol responN during UHi rilquln,d 11nnj.
l.Jaw4 11.PDJ Slgl!>llAU(l;l 9H u.pOJ.
J.
L~ NIA UT C:elltnllooil:xaminalfon m
z 0 r 0 en C
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£R4ih,NOl"i-OJ'~
Ou* No.;
l\\it ltt'S Coo,i;;
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Srttffm 10:
RC Sunu!llll)' No.:
N1,RUIMJ<~
Procooure Riw,:
.2 w~
ts1 WQl'k Ordjjf No,:
lmilllllll17561 MMEc!IUc;n Clll'llt"rn:
"'*IV~l.20 l.~'1!h;n; 1171S.WMK,S.010!la OMeHptk:trt: Plp11 w NcnJi, Allport No::
I.IT-13-047 Pmgn:
ll of 4
I loQll Co rr;p one n l ll'.L '1171 S-WM.KS<il11)9:! r 8.i:IC-1211 Sl:mlli!<11glh:
1.1.9* !27.6\\l" Tl1ldlrle$i11tll.imt1!e,r:
ll.9'116"{ :3" Umllliatlon11:
ffingh1 llitd111d ~
(111111 ta pipe lo noul11 COifllicQ11ratlon Tnslrumffl11 Sellinl,JII
~an:ih Unit Sel%iil licl.:
01 lCICl.ll
$trltill rw.:
0/$*110 f.,ll)rtUl\\ae1Ullll':
Knu1ik.r.1ll'lu:1r MmM\\il~
!UO Model:
USNOOS.W
~ty.
f.,1).0;!$
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N'/A I ~ "g" ~ I
- w~ I D11!1rr,
!,LS3t'llps l'\\'.$flf;I\\IIC 3.~,r M'il Cai/Nil'!:
ll,2::JOOV111ff:!B P\\Jl1,1er'typo: ~r@
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~0.hmi!l RA.!jeci; ~
P~:
Auto liigh SiJ Frm,.;
1l\\lM~l E:uim Arlgl,a; ~.
Squlnl ~: NIA, Measured Arigle:
&o*
!\\tc:ide:
- =-
"'11 l::.wlt Po!nt UC!"
I °'!'l:lem-;;--2 Coupl11nt Fniqu-y:
2:.0 M'.Hz
~ly:~\\1\\0 Va/!lilQ&.:
4SO l"w11'!1 Wldlh; m
Conrig.:
O:.SBS
~: FD,;.;- Cal ~h; t:U,01>6 Sl'l11p!l!;
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NIA Wqe $tyle:
f,Mlj!Qtlll Mtg.;
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la.Xlil!m ij,l!fcti:
1Ul>fl&
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Soo h
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ll:G*1'1'4 l~h: ti' No. Cortt"I.; I>
ype:
c:;uic fdfg,:
MA:GI\\IN'lUX
¢11llbnlian 811:1l;k te:ain Co.'li:tf4\\illll A;,,, Gain (dB}':
41.. 1 Cal. eu~ 1\\104 0~1.-.
UP$!tH<<'t t 1 ~~
&?) Scan d5: 53.1 Rl>1&1'e11ee Bltw;k Thlc'l!MH 2.25" Oi11.:
c;.cwQ Scan dB:~* Selriill No:
05-6.534 Simi. TimC<
04:13 Anl6'hTim111:
Ht?l.l Soo/ld Paith
- lU104'"
Clrwmtifl1rl!il!itllll Orlen1111ed h11rch Unit Ca!illmffQ.11 Rill~
WA Signi!I Amplit1rd11%
~
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RomirencetSlmulalior Slo,c.11 I
Gairi 1
dB l'lolJnt11'11lh CaL li!ll.. Ti!!tnfL 2.!._ Tffl'lp, Tod:
"IOMGOY Emm Suif-:
OD "Tt'J>!il IS ftctnpl:li!I Stock 4U un~
Cemp.. Temp.,.1!'.,. T!imp. Tool:
107mlGCY
$urf.1Q) ~l!!l!m:
M Wold*d 1 around NtA ttite>1ttd11bli1 lnd~i!lln,111j:
Yu O No fi2ij (If Ye&, ReL Allac:l'll!d Ultra~ trtdlt:ffllen Re.pert}
R~liw N~l !i?j RI O Goom D Commll!1U'. 1Ji;od ti) examifl<!l hlr !Ilda.
P~ OfCe~i,ge 0~
> 00'!.:
l\\lo Revm'(t!d Prlll'ilou!ll D111ll11:
'(11,s
~
n-PDJ 1:*
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ENCLOSURE R3-1 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 64 of 97 Weld Number Thickness 2
1 0.906" 1
1 0
I Report No: UT-13-047 Summary# Nl.Rl.20.029 Pg. 4 of 4
Prepared by: W. Thomas Date: 9/22/2013 Weld Width Weld Length 2
0.9" 27,09"
,--,,:;;;:=, __ FLOW 0.302"HTX 0,95"\\NITH = 0.287 SO. IN. =REOJIREO EXAM AREA EACH SIDE OF WELD 1
~
EXAMINED 100% 0: THE REQOlREO EXAM AREA U& SIDE AX ANO CIRC DIRECTION, EXAMINED 0.1 SO. IN. OS SIDE AX DIRECTIOt,t.11.287 = 0.35 X 100 = 35%
EXAMINED 35%0F 1HE REQUIRED EXAM AREA OS SIDE AX DIRECTIOH BESTEFFORT, NO EXAM OS SIDE AX DIRECTION FCR 65% ct' THE REQUIRED AREA.
Examination Volume Dimensions -
Height 0.302" length 27.09" Width 1.9" Coverage Summary Required Scans (each has a weighing factor of 100 for complete coverage)
ANGLE UpSt-Ax UpSt-Circ DnSt-Ax DnSt-Circ 45/60 100%
100%
0%
60L
- 35%
Code Coverage Total I 50%
100+100+0+35=235/4=58.75
- Best Effort coverage (Max 25%} Total I 8.75%
Notes:
- 1) Code Coverage refers to the maximum percentage of the required examination volume that is effectively examined with the qualified examination procedure.
- 2) Best Effort Coverage refers to the required examination volume past the weld centerline that ls examined in the axial beam direction with an Appendix VIII demonstrated procedure for single sided coverage.
ANll ANII t?Rk HS8GS h.
Reviewed iif ~ J
~Dominion' UT Calibration/Examination Outage No::
NtR25
.I 1
Procedure:
ER-AA-NDE,UT*700 Site/Unit:
NAPS Summary No:.
N1.R1.20.098 Proqedure Rev.:
0 Report No.:
UT-16-072, Workscope:
ISi
.Work Order No.:
59102983133 Page:
1 of 2 -
Code:
2004 Editjon CatJltem:
R*A/R1.2.0 Location:
C*LOOP Drawing No.:
11715*WMKS-0109G*1
==
Description:==
.PUMP-PIPE System ID:
RC -------------------------------------------------------
Com pone n I ID: 11715*WMKS-0109G*1/271/2-RC-9 / 33 Size/Length:
1.5" / 85" Thickness/Diameter:
2.25" I 21.5" L.imltalions:
No upstream scan du& to pump to pip& eorifiguralion.
Start Time:
0932 Finish Time:
1000 lnstrumeofSetllngs Search Unit Cal.
Time Axial Oriented Search Unlt Date Serial No.:
140723507 SeriilfNo.:
021N2J Checks Calibration S!gnal Sweep Manufacturer:
Olympus Manufacturer:
i.
,VGB-33 Upstream O Downstream@ Scan.dB: 6&.0 Referenc:t Block RafeN111cefSimulator Block Thickness 2.580" Dia.:
0 CCW~ ScandB:~ Serid.No.:
05-6533 Gain Signal sweep Sound Path cw~
dB Reftector Amplitude% Divisron Cat. Blfo.; Temp *..!!.. Temp. Toof:
1076BGCY
-- Type:
SS Rompus Block 50.0 FSOH 65%
1.5 1.oson Exam Surface:
00 Comp. Tim,p..!!._ Temp, Toof:
1076BGC\\'
Surfac,e Cnodili<>fl:
Contour Gro11nd
!{]
Ultrasonic Indication Report.)
Results:
(s)
NR1 ~
0 RID Geom O Comm8!11S: Search unit #2 of tandem unit SN
- 021N29. Tandem wedge SN
- 369-078-510.
Perceot OfCoverag~ Qbta.lnll!l > 90%:
Examiner Level II.POI Fuechtman11, Gary P Examiner
~ovel 11,POI Popp, Darrell J.
Other Level NIA N/A UT Calibration/Examination No RovioYioll Previous Data:
Vo111 Date 9/2012016 Date m
z 0 r-0 CJ)
C
- 0 m
- 0 w
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z
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5'
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CD
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"U -* CD ID
!l) 3 r+ -
ca ;:;: z z CD CD
!=> !=>
O') a.....
01 m 01 N 0 ><??
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ENCLOSURE R3-2 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 66 of 97 Weld Number Thickl)ess 45 2
I FLOW Report No: UT-16-072 Summary# N1.R1.20.098 Pg. 2 of 2
Prepared by: W. Thomas Date.:
9/23/2016 33 Weld Width 1.5" 2.25" Weld Length 0
j J
1 CL 45 PIPE 2
I 85" PUMP EXAMINED 100% OF THEREQUIREDVOLUMEAXIAL DIRECTION NO CIRC EXAM US SIDE DUE TO CONFIGURATION Examination Volume Dimensions.-
Height 0.75'!
tength 85" Width 2.5" Coverage Summary Required Scans (each ha.sa Weighingfaci:or of 100forcomplete coverage}
ANGLE UpSt-Ax UpSt;eirc DnSt,Ax Dost-Cir~
.45 1Cl0%
0%
100%
100%
Code Coverage Total I
75%
loo+ 100+ 100+0=300/4=75
- Best Effort CoveragefMax 25%) Total I
N/A Notes:
- 1) Cm:te Coverage refers to the maximum percentage of the required examination volume that is effectively examined with the qualified examination procedure.
- 2) !rest Effort Coverage refers.. to the required examination volume past the weld centerline that is examined inthe axial beam direction with an Appendix VIII demonstrated procedure forsingle.. slded coverage.
.t)~MS p SQl!~,"#J ~H,.C,l-. :~f//,/ !/~f:,,J..:v, V
~
Dominlof!I' Coo¢;
Dit~No.:
Sysl11m 10:
RC S;ile,l.lmt:
NN'S I
Summary Na.:
t4tJI.U0.1!111 W<<k~:
ISi 20114 !la!UQ,n 11T1S.WM1<S.011Ji9G*2 UT CalibraUonlExamination Prooir.t:turm:
ER-,AA,.IIIOE.UT*'l'OO Ot11lll9il Nt.J.:
N1R2S
?roc:<&:klf!I Re!11.:
1)1 Fruport No,;
U'M tl4l$
Werll On:e;- ~:
$9ill~nua
~111*:
1 of a
c:::a1J!too,;
R,AIA:U<t looalbi:
C.:t.c:lOP
~~ptloir PIPE*W'nOOU.:i C iOll\\4JOO ll nl lO: t1.'1'15-WMKS.!l1Q!IG-2l U-.Rc:*7 J sw-:n
- u~,00" S,itt!Longll1: ------
Thil::~{µ.lITTHl'ler:
'l,:2{1" T 29" Llm!Wkitia:
SelHI iltt.a.ch*<L l11strum1ml S.tti:1100, Search Unit
~!.ol Net:
1*40723ffll7 S!!rl@l Nil,:
021N,1J t,,11111\\Jlaci~
01:tmf!J:!'
~ad~
Kn.A Mod~:
il:POC1i&Clt'I 1.htffMM~:
l.4N20 Sim:
U" Me!def:
Comp-G I)~
M'UQl!Nef::
Dam~
U.ilhs 0,,:2l3!Yirlf~
40Q 0.
Ra~:~
Fmi,:
f.l.iMH:l Cil'tdwFmq;; ~
Fi\\ila.:
Si:tU!l'l'II*
........_ E*~: ~
SlillitttAngtw:
_ _.;..;;;..._ ~twtw ~: _!!_ Modt7:.Lo111111tw!Vn111
~i::
0%
- Cal, ctieieb Prilli.alCat W<<,Cal..
llffll,l,Cm, Int<<. C.al, l'lr1111Ca/.
Co11li4111fl
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O.fCI" htl(f,:
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ftif!IW'llllil ii of Et~illll4s.:._1 _ Cal, &tm; 12Jllll8
~. R;al~:
Allio Alt<<:
fL2
- 1.2 Mb,;
..:.:.:.;..;.;; Con~.:
SlnQi1t
_...., __ $,11,!m:
Rnd Other WA F oouir. I' l>. * :tM" Typ.i:
Sommich C'.o!l4oue.
~
M~:
SONOTE:CH V$lll11g-1t:
~
W~ SijA!!;
SWS Start Time:
_tl_fA tDU FlMhllim111:
Hl*ll Axl'n:i Orle11t11di :S,eillltch iht.Jt s~ l~'lliP.att1 Oi~
5..Q
- IMMI"
$WQl1"
~" 1Sotl'l)l$ft14h
. ~Ell>>~:
Cites Gttlrl (di;);
NIA S11111mh Onlt Cob111 T
_Sc_.;;;....,.h:.c...-
1 1
1 1
1
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111. of
!for.ind P111h
~: ftG.114 lqth:.!_ No Cann.: _t,.;::.. so:=Cli 12J{l00 AK Gaill1 t~~
11(1.111 Cafibratlo11 Block S<::an Co11era9"1 fh!'fmonce Biomt C11Ltlloek1*J.
\\IGS-:13 Upil~~ ~a*nQ St:Md@: 55.tl mckrlass.
2 *.ffl" liN!.:
o cw~
ccw~ St:llildB:-;;:; s11r1111 No..:
l1S.&S:t3 Cli!L !iliflC Twnp,.!!., 1t;1t"P* Ti:x:lt:
107tl8GC'I'
~
Su~;
- 01)
-- Typ&:
- ss Rompus Blocf(
COOJII}.* imni,. £ Tt!n,p, Ted; 10768GCV Suffacu c:oodimt C<,>ntour'1rtnmd Recordl!ibl11 l11i;Mcstlorr(i¥ Y*
lllo !!lJ (lfYoo. Ref. Atl.tldierl Ulfrl'Ml~ lrdi:1:1ilon Repeal R111.i11a::
NRI ~
- Per~nl Of C:m:!1* Olllllirtod > 90%:
fi:imilliiilot Levtrl IH'l:li Fui!!dllm.Mn, Chey P Eillmlillel:
La<Vnl t1,pcw l'l>l):p, O,amiJI J, Oi:h0r N!A Lov0I NIA UT Cdbr11t~~m1n11ilon Geom
.No Re'lil!IWlm P'rlt!liffltn lltmt11:
NIA C1:1m~t11: saawch oolt#Z afhmdrurti 1mrnN *021ff29. T.mtbim wedge SN *. us.on -'1tt m
z 0 r-0
(/)
C
- 0 m
- 0
(,.)
I
(,.)
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- g.
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CD <
ID
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""CJ -* CD ID ID 3 -
cc;:::;: z z CD CD
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--.J m 01 N O >< 0 0
ID W 6 co3 wo,
--.Jen COO>
ENCLOSURE R3-3 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 68 of 97 Supplemental Report Report No.:
UT-16-086 P?ge:
2 of _3_
Sµmmary No.: _N_1_.R_1_.2_0_.1_01 _______ _
Examiner: Fuechtmann, Gary P ~ Level: ti-POI
. Examiner: Popp, Darrell J.
Cf Level: II-POI Other: NfA Level:
NIA Comments:
S.ketch or Photo:
- s.'J **
' 1 P,PE=
3, 1."
Additional. Supplemental Data
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams ENCLOSURE R3-3 Report No: UT-16--086 Summary# N:LR1.20:101 Pg. 3 of 3
Prepared by: W. Thomas Date: 9/22/2016 Weld Number Thickness 3.2" Weld Width Weld length 2.5" 80"'
EXAMINED*ffi0% OF"llle, REQUIRED 110tUME AJO,IL;IJ!l'<ECT!Ctl NOCIRC EXAM BRANCH SIDE El<amination votume-Dimensions.~
Height 1.07" Length Width 3.5" coverage*summarv Required ~ans (each has a weighingfactor of 100 for complete coverage)
AN.G.LE Upst.:.Circ DnSt-Ax DhSt.:.circ 45 100%
100%
100%
0%
Code coverag¢Total J 75%
100+100:r 100+0=300/400=:75.
- Best Effort t:ov~rage (Ma~:25%} Total I
N/A Notes:
l) Code Coverage refers to the.maximum percentage of therequired examination volume that is effectively examined with the qualffied examination procedure.
2} Best Effort Cover.ige refers to the required. exarrimati9n volume past the weld centerline that is examined 1nthe axial beam direction with anAppend~ VIII demonstrated prc,cedure for single sided cov~rage.
()8'flpu llS;µ~ b](.-Ylnu,.u,*
(;;/
- . ff¥:;/ 11~114,,
Page 69 of 97 9.531 JIS\\IGS
ENCLOSURE R3-3 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rct Period Limited Exams Page 70 of 97 Liquid Penetrant.Examination S1te,rtJntt NAPS 1
Outage No.,.
N1R2.5 Summary ;,j Q,:
N1,R1.20.101 Procedure fw,I,! ____
1 ___
W o rkS ~
AU.G Work Ordm' No.:
'910~1.33 1
or 1 -
- Code, 2004 Edlffon L~;
Dmwfns No.:
H115-WMKs.&109G.2 System ltt.
RC
,Compo11&n410: H715-WMKS,-o1~i 29*RC*7 I SW-31 Umbtioos:
None Light Meter Mfg.: _____
Nl_'A _____ Serial No;: ____
m_A __ _
llb,JmiMt!Qn:
NIA Temp *. Tool Mfg.:
AEMC Instruments Serial NQ.: ___
1_.07"""6.,.00C_,*
- ....;.Y __
Surface Temp.:
13 Visible 62'i C!iel!lner P!tnetnlnl Ruorescern 0 Brand MAGNA.FLUX Type SKC.S Balch No.
15J10K Time Evap.
3Mln. ~*
n~~&e~:
093~
lndit.11.iim Loe Lac o~~r lqth No.
l w
NIA Comm~
Udd flashlight lot fflumlflation, Charac:t.$t Raolution C4ffl:I: DOM-2016-1)163.
RIO Examiner
~l!l I!
Shelton, Jaimes R.
E'mmlnor ur.:el ti Th~!*ffl. er.nton R.
Ott.er
~I NlA MIA MAONAFLUX SKL-sf>2 12A08K 10Mln.
Typo Rf!.
EwlO NfA R~on;,
0.044" Ch~c.wd Grnund Remover Developer MAGNAFl.UX MAGNAFLUX SK.C.S SKO.S2.
15J10K 14K04K EW!p" 2Mln.
Develop 10Min.
Time Exam Completed:
1020 Remarks NIA "F
Do1m11lon Coomc Ot~l'iiL'.
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Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 74 of 97
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UT-15-030 Page:
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Summary No.: N1.R1.20.121 Examiner: Gatica, John E. q.A-~
Level: l!*POI Level; NIA Reviewer; 1L).l.11Ao.-...~S ~-
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ENCLOSURE R3-4 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rct Period Limited Exams Page 76 of 97 Report No: UT-15-030 Summary# Nl.Rl.20.121 Pg. 6 of 6
Prepared by: W. Thomas ~
Date: 03/26/2015 Weld Number Thickness SW-7 0.75" Weld Width Weld length 1.1" 20.75" 0
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EXAMINED 100% OF THE REQUIRED vctUME US SIOE El.BOW EXAMINED 0.12 SQ IN. OS SIDE fJiX DIRECTION BEST EFFORT FOR 10 IN.
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Examination Volume Dimensions -
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ANGLE UpSt-Ax UpSt-Circ DnSt-Ax DnSt-Circ 45/60 100%
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- 1) Code Coverage refers to the maximum percentage of the required examination volume that is effectively examined with the qualified examination procedure.
- 2) Best Effort Coverage refers to the required examination volume past the weld centerline that is examined in the axial beam direction with an Appendix VIII demonstrated procedure for single sided coverage.
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i:vt:111 NRI fij
- 0.
RIO P~ 01 c~ OillllllN!d > 1>0%:
&mirier leYel IU.Pl)i ThomH, i"'1its W.
&amfnM NIA Olher
!WA Level NIA t-i WA UT ~a!ikn'E~mlllkm AG1i4 M!Q.:
SOt.lO'ra:l-l Scan C:OV.r.agt Upsmrn lil! OC!wnsll'Nm Ii!! Selln r:1£1: M 1 Rmitnl!ft&Jlf. mock RlftA>notiS:1mul11h>r Block 0
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~or """"lttiude,i. DMllfQl'lt 07 TY?lf;
- ~SUrtaoe:
OD 01
~ODdililnlr:
Aa Wal!Cled 1 Owund Iii IAll'MCll'lic lndlCIClon R~.)
Gf!Offl -
No R!MelMll! F'fllWOIJI 0111a:
Yu Dale
~11/ffl S12312!ltl S~ll/fO
$~I) iS R:omi:iu*.Sloek 12.7 FSOH 1f 3.ill i 1.00!i" r
Cc,rnments.: 1:lfllctlwo covents* u*lrtg th.a_.. angle s~arch unit hu ti.en '!'ffffled ~
!ti* p~
ofll111 weld n:ml l'fll)'l:lll110 diurml! Ula ntQ.ull'ld uans.
m z
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UT Calibration/Examination
~
/,i,t,r Dominicm'
- Silerunlt:
Pn:>eedu!llc:
ER-AA-NIDE-1:JT-802 NAPS Outage No.:
N1R25 t
Summary No.;
1111.R'l.20.fSCI Procedure Ra11.:
4 Repoct No.:
UT-16'0911 W~*
ISi Wad. Order No.:
S91Cl29831U Page:
2 of 5
Cede:
21lCl4 Editlon Ca1Jl!em:
R..Al'R.'l.20 Loc:a~:
RC216 Dralltif'19 Noc:
1171S.WUKS-t.l1i3C-3 Descriplioo: ELBOW-PIPE Sy$1em 10:
SI ------------------------------------------------
Camponen I ID; 117154IIIMKS-4l11.3C..3 J 12"51"69 / SW-8 Slze/1.englb; 12' / 4il..S-Tuici;nesslOiameter:
- 1. ns*, 1.2*
Limit.alioos;:
Eii:am llmite,a cfue 10 supJJ()rt. S&a NOE-RI 96,,,001 for previous dam and T&iC.
6ta!l Trme:
1020 RlishTime:
1028 l~rument: Sallings Sfrarcn Unit Cal.
Time Date
.Axial Onef\\ted SHrch Uni!
Serfs! No.:.
t31.XKD3 Seirlal No.:
ll0i'1Dl Checks D!Lbral:lon
~ S'll<eep Mal'l4lfacturer.
l<nu:tkmmer Mamaewter:
KSA lnillal~ 01155 !/Ul201&
Relledl'.I!'
.Arnpli!ude %
Owlslon SOII.IOO Path Mor:k!!:
USN GO SW Lm.earity:
L-11Ul23 Size<:
UO" Mode!:
Comp-G Inter. Cat.
102& 9J23/.2'016
'U" 10 lilotffi 811>
5.5 2.696" o.y; a.:,,1'& 5i$
Rarv,iie:
s.oo*
F~: 2.25MHz:
Center F,eq.:
NIA Inlier. Cal.
1'CJ2t m3/2016 HlAi M't!Cali'Vel:
.1235 in/ps P1*Jer iype:
Sq~
&Ir SqtsfnlAnp:
NIA lnter:Cat.
ExamAngllrt:
Flnat Cal. 1223 912lr2016
- Damping:*
5all Ofnns Rejett:
0%
Measured *Angle::
59*
Mode:
Shear Couplant PFW:
AulOHig;h StJ Fr,eq,.,:
USMIHZ
&i!,Point O *.tlJ*
- r::if Efement$: Single Cal Batdt:
1Ul)6S Cfmumlerel'ltfal Oriented Search Unit Fooquertcy:
2;2$MH%
Reclify:
Fvllwa11e Crig.:
Sfngle Forus:
NIA Voltage:
450 NseW!dlh:
m Contoor.
T>'Jllil:
Sonotteh Calt!ratm Signal Sweep Sotind Path Shape:
Rournd WA Mfg..:
SONOTECH Rellednr Arnpllrude %
OiwSKll'I Wooge St)lle:
MSWQC NIA Ax-Gaii:I {dS):
!3.0 Circ. Gain (dB):
NIA Searcti Uni! Cable Elfillll'l Bmo:h:
12JOS1l 10 5-ntlw.*
5 ln. r::if SotmdPath Type, RG 174
- Type:
Sonota<:h Lenglti: 6' No. Corm.: O Mfg.:
SON01ECH Calibrallon Block Scan Coverap Cat. SlockNo.
10076 Ujl,S1Je:imlll! Downslream!i£] Scan dB:~
Reference Block Remmnce!Slmulator Block Gain Signal Sv,,eep Sotl>l'ldPat!l Tillcimess z;:zs-Dia.:
0 cwo CCW0 :SoandS; ~. Serial No.;
OH535 dB Reflecl:a Amp!Jtude% OiM:slon Caf. $/k. Temp. 2!:. Temp. Tool:
07 Exam Surf!s!*-
00 TYT,lfr.
SS Rompd Btor:k 33.0 fSUH 64
- u1 1.461"'
CD<<T'!p. Temp,..!!_ Temp. Tod:
1.17 Surfa,:;e CarmftiOJl'.
As. Welded J Gl'OW!d R11:i0,~la lndlca.lion(s):
Yes NoRii
{If Yes, Ref. Attachedll11rasornc 1111.licalioo Raport.)
Resulls:
NRJ li2J RIO GeomO Coolmems.: NONE P..-cent Of~ Olllained > 90%:
No Ral/iewed Previous Data:
Yes Ellalniner le""II!
111-PDI
'!Jffl TI!Gntas, irav,s w.
Examiner Le""III NIA Signaittre WA Olhef Lefff NlA Slgnaim,e Dat.e NIA UT Caflbfl'llioo!El(3fflioab m
z 0 r-0 en C
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- 0 w
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~J>' 1Domi11ion' UT Calibration/Examination Outage No.:
N1R25 Site/Unit:
NAPS 1
Procedure:
'ER-AA*NDE-UT-802 Summary No.:
N1.R1.20.150 Procedure Rev.:
4 Report No.:
UT*16-098 Workscope:
1SI Work Order No.:
59102983133 Page:
3 of 5
Code:
2004Edition Cal./Uem:
R-A/R1.20 L,ocation:
RC216 Drawing No.:
11715*WMKS.0113C*3 Descrlplion: ELBOW>PIPE System ID:
St ---------------'-----------------------------------------
Compo n e II t lD: 11715-WMKS.0113C-3 f 12-S1'69 f SW-8 Slze/Lerigth:
1.2" 1 <10.s~
Thickness/Diameter:
1.125" ! 12" Llmilations:
Exam limited due to support. See NDE.i:l# 96.001 for pravious data and T&C.
Slartnme:
1029 Finish Time:
1032 Instrument Settings Search. Unit Cal.
nma Data Axial Oriented Search Unit Serial No.:
01XK03 Serial No.:
06-110 Checks Calibratibn Signal Sweep Manufacturer:
Krautkramer Manufacturer:
RTD tnltil31 Cat.
0712 912312016 Reflector Amplitude%
OMsion Sound Path Model:
USN 60 SW Linearity:
L-16-023 Siz.e:
2l10X18}
Model: TRL2-AUST Inter. Cal.
1029 9/23/2016 1.S" ID Notch 81 s.s 2,731" Delay; 9.5278 µS Range:
5,0" Freq.:
2.0MHZ Center Freq.:
NIA Inter. Cal.
1032 9/2312016 M'llCaWel:
.2280 in/pS Pulser Type:
Square 3*
Inter. Cal.
NIA Exam Angle:
ao*
Squint Angle; Final Cal.
1226 9!2312016 Damping:
500.0hms Reject:
0%
Measured Angle:
so*
Mode:
L*WAVE Couplant PRf:
Auto High SU Freq.:
2.0MHZ Exit Point 0.4"
- of Elements:
2 Frequency:
2.0MHz Rectify:
Fullwave
-- Cat. Batch:
12J066 Circumferential Oriented Search Unit Conlig.:
0-SBS Focus:
F0.0.9" Voltage:
450 Pulse Width:
250 Type:
Sonotech Calibration
- Signal Sweep Sound Path Shape: Rectangular Contour; FLAT Mfg.:
SONOTECH Reflector Amplitude%
Division Wedge Stytia:
Integral NIA Ax. Gain (dB):
52.2 Circ. Gain (dB):
NIA Search Unit Cable Exam Batch:
12J066 10 Screen Div.=
5 in. of Sound Path RG,174. Length:
No.Conn.: 0 Type:
Sonotech Type:
6' Mfg.;
SONOTECH Calibration Block Scan Coverage Cal. Block No.
10876 Upstream ~l Downs1ream D Scan dB: 58.:2 Reference. Block Reference/Simulator Block Gain Signal Sweep Sound f>alh Thickness 2.25" Dia.:
0 cwo CCWO Scan dB:~ Serial No.:
05-6535 dB Reflector Amplitude% Division Cal. Blk. Temp. ~
Temp. Tool:
07 Exam Surface:
OD Type:
SS Rompus Block 46..2 FSDH 67 3.0 1.481" Comp. Temp, ~
Temp. Tool:
07 Surface Condition:
As Welded I Ground Recordable lndication(s):
Yes O No~
(If Yes. Ref. Attached Ultrasonic Indication Report.)
Results:
NRI GZi RI 0 Geom D Comments: so* RL used to examine far side of the weld in limited areas.
Percent Of Coverage Obtained > 90%:
Examiner Level lll*POI Thomas, Travis W.
Examiner N!A Other NIA Level NIA level NIA UT Calibration/Examination No ReViewed Previ0l1s Data:
Signature Signature Signalure Yes Date 9/23/2016 Date Date m
z 0 r 0
(/)
C
- 0 m
- 0 w
I QI z
)>
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(D <
!l)
(,.) a
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-n -* (D !l) s:u3r+-
ca;:;: z z (D
(D
~ ~
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comc.nN ox??
-!ll WO co3wc.n
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ENCLOSURE R3-5 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 80 of 97 Supplemental Report RepQrt No.:
UT-16-098
~ lt>pk6
~: to#b*
Oat~; L:£/iA,4
ENCLOSURE R3-5 Weld Number Thldmess 14%
1.ll5~
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 81 of 97 Rewrt No: UT~16-098 Summary# K1.R1.20.150 Pg.. 5 of. S
~*UN~
Pteparedby:W. Thomas ~
Date:
1!)/l/2.016 Weld Width Weld Le:ogth 1.2" t!<'t~t~-~---
~-b.i<> 11<fff<1:lidi!<:I ~- ffl.111'
<i'he<<ri:fv..-.m.
BE:STJ::F!=ORT,22:SQ; ~*X ttl~t.~0TM¥~$CU. Ne 2.:.'!fti:lilll'-
I 81%
I 3%
- t) ~
Cove~ re~ toth~m~uro pen::@fltage of the mqulredmtammtion volume that.k~ ~itie!i with lhe.~ eitaffllnmioo procedure, ll ~
afQl't~ re~ to lhe ~red examlrmtion volume past the weld
~\\J!fline tfmt ls examined in thii' mcial Imam diredion wfth.anAppenewt \\llU demctl$Uli~p~b':hleiiidedcaw~
ENCLOSURE R3-6 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 82 of 97 J
NW UT Calibration/Examination Proeedurr;1:
ER*AA-NDfMJT,802 Slttl/tJnlt:
Outago No.:
N1R22 NAPS 1
SummoryNo.:
N1,R1.20,180 Ptooedum Rew.:
2 ReQOrt No.:
UT*12.087,
Work11eol)Q:
1st Work Order No.:
119102422878 Page:
2 of 5
Code:
2004Edltlon CatJitom:
R-A/'R1,20 LaQtion:
C loop OlilWlng No.;
11715*WMJ<S.0103AD Oew!pUom Elbow to Dmnch Systom 10:
RC ---------------------------------------------------
Com pone n t tO: t171S+WMKS4'J103AD / 6-RC*21 / 18 i!i!X(!Jl;angl!l; o.ur 120.n~
Thlelin"s/Olamolw:
o.710" 1 a.p*
Limllatlona:
SJnglo Sided Aocou du* to Elbow to Nonie configuration Start Tlmo:
0938 Finish Time:
09!12 ln11trument S0ltlng11 S011rchUnl1
- Clll, Timo Dato Ser!al No.:
01!11124211 SertalNo.:
01CLMV Choek11 Monufac!uron PanamotrlOJ Man11f11eturer:
Kl3A 1nma1ca1.
07111 04!10/2012 Modal:
EPOCH4 Linearity:
L*124'l08 Sile:
o.37&*
Model:
Com[t!
lntllf, Cal.
0938 04f1il/2012 Ool11y; 1,1HIJ,tc Rffngo:
z.so*
Froq.;
2.211 MHZ Center Freq.:
NIA lnoor.Cal.
NIA M'UCalNel:.1231 111/&oe Pulsir.
Squaro Squint Anglo:
Inter.Cal, 0952 04/10/2012 Exam Angle:
1111*
NIA Flnol Cal.
04/10/2012 1146 Camping:
40oohma Rojoct 0%
Measured Anglo: ~
Mod8:
Shear R11p. Raio:
AUlo Freq.:
- LOO li:xit PO!nl:
o.u*
- of Elements:
1 Co11plant Flllor:
0.8*3,Q Mode:
Ful!wave N;:- Cal. Botch:
07220 Conlig,:
Slngfo FOCI.IS:
Voltage:
Max Other:
NIA Typo:
soundSafo Shap1>:
Round Contour.
NIA Mfg.:
SONOTECH Wedge Style:
MSWQC
~Gllln(dB):
23,0 Clrc, Gain (dB):
NIA Surch Unu Ctblo Exam Batch:
07220 10 SCl'etln O!v.
- u In.of Sound Path RGi14 Typo*
- Sowdsar, Type:
Length: &' No, Conn.: o Mfg.:
SONOTECH Catlbnitlon Block
$can CovoraQo R11f11N1nco Block Cal. Block No,:
084!114 Upstream~ DownstroamQ Scan dB:~
Ota.:
Th!cknoas;
- us*
0 cwo CCWQ Sean dB: NIA Sttrt11I No.:
05-82159 car. 81k, Temp.:,.!!_ Temp. Tool:
Hl77BGCY ExamSulfllco:
OD Type:
SS RomEua Block Comp. Temp.:..!!.. Temp.Toof:
10'i'1SGCY S11t1eeo Condiucm:
Ground Smooth Re11utta; NRI S!J RID
(
GIIO!!I D Ullri!IJ(lnlc lndteation Report)
Commenm: Nono POl'Ci!nt Of ~e Ol>til!ned), 90%;
!.!Mil ll*POI
,AaronJ, Level NfA No Rovlcw~ Previous 0111a:
~
Vos oatu I Revlawar o41tonou
~
Axlal Orlental11d Searoh Unit Callbmtion Signal Sweep Si>undPat/i Rffllector Amplitude%
OM!llon j
1*NOTCH 60 7,2 1.818" NIA I
Clrnumfott1nU11I Orlontiltad Sntch Unit C.lfbrallon Signal Swoop So11nd !'oth Refloelor AmpTirudo%
OMslon I
NtA i
i Roforenoe/Slm11fator Block I
Gain
$11)11111 Sweep Sound path dB Ro1l~cr AmPlltut:111%
Olvltili'.111 23.0
- tSDH (II)
(1,0 1.ff(IS*
NIA i
~./r:/-*
r_
UT Caflbrotlonl!:l<l!fflln11Uon m
z 0 r-0 CJ)
C:
- 0 m
- 0 w
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- !. 0 (/)
0 0
- a. C1 CD r" :::i.
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(0;:;: z z CD CD O 0 CX)a.:. :.
wmc.nN 0 ><??
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- ~~W, UT Calibration/Examination Site/Unit:
NAPS ER-AA-NDe*UT.S02 I
Outage No;:
N1R22 I Procedure:
Summaiy No.:
N1.R1.20.160 Proced\\1!'8 Rev.:
2 Report No.:
U'f-12-087 WOrkSCQpe; ISi Work Order No.:
59102422876 Page:
3 of i 5 --
Code:
2004 Edition Cat.lltem:
R-A/R1.20 Location:
C loop Drawing No.:
11715*WMKS.0103AD
==
Description:==
Elbow to Branch Sy,tem 10:
RC ---------------------------------------------+--
Com po nan t 10: 11715*WMKS.0103AD I S.RC..21 / 18 Sllelt..ength:
0.85" / 20.85" Thickness/Diameter:
0;119* I ~.a*
Limitations:
Single Sided Access due to Elbow to Noule conflguratlon StartTime:
1009 Finish Time:
1028\\
Instrument Settings Search Unit Cal.
Time Date Serial No.:
081624211 Serial No.:
06-108 CheGl<s Manufacturer:
Panamotrles.
Manufacturer:
RTD tn!tla!Caf.
0753 04/10/2012 Model:
ePOCH4 tlnearity:
L-12-008 Slza:
2!8X14}
Model: TRL2*AUST Inter. Cat.
1009 04/10/2012 Delay:
8.5011see Range:
2.110*
Freq.:
2.0MHZ C<<lter Freq.:
NIA Inter. Cal.
NIA Pulser:
Square Inter. Cal.
1028 04110/2012 M'tl Ce!Nel;.2244 ln/seo Exam Angle:
so*
Squint Angle:
NIA FlnalCal.
1028 04110/2012 Damping:
400ohms Reject:
O,o/(1 Measured Angle: ~
Mode:
LONG.
Couplant Rep. Rate:
Auto Freq.;
2.00 EXlt Point:
0.35"
- of Elements:
2 Fllt&r:
0.8
- 3,0 Mode:
Fullwave
-.- Cal. Batc!J:
07220 Conflg.:
D*SBS Focus:
FD.0.6 Voltage:
Max Other:
NIA Type:
SoundSafe Shl!pe: Rectangular Contour:
FLAT Mfg.:
SONOTECH Wedge Style; MSWQC AA.Galn(dB}:
38.3 Clrc. Gain (dB):
NIA Search Unft Cable Exam Batch:
07220 10 ScN!en Div. = 2.8 In.of Sound Path Type*
SoundSafe Type:
RG174 Length: 6' No. Conn.: O Mfg.:
SONOTECH Calibration Block Scan Coven.ge Cal. Block No.:
OMS14 Upstream D Downstream (i!I Scan dB: 2!::._
ReferenC9 Block Thlckn811s:
2.25" Dia.:
0 cwo CCWO Scan dB:~ SenatNo.:
05-8258 Cal. Blk. Temp.:...!!_ Temp. Tool:
1077BGCY llil<lffll Surface:
00 Type:
ss Rompua Block Comp. Temp.:
67 Temp. Tool:
10778GCY Surface Condition:
Ground Smooth Rocordable lndlcatlon(a):
veso No fi!1 (If Yes, Ref. Attached Ultrasonlc Indication Report.)
R&S\\Jlts:
NFU ~
RIO Geom D Comments: None Percent.Of Coverage Obtained > 90%;
Examiner Level II-POI Stevermer, Aaron J.
E>tamlner Level WA NfA Other Level NIA NIA UT CailoraUon/Examrnauoo No Revl-ed Previous Oata:
Yes Signature Date I Rellit;!Wef 04/10/2012 r.J I "1':J.-.fl'"'A Axial Orientated S.eareh Unit i I Calibration Signal SWeep I
SoundiPath Reflector Amplitude%
OM11lon 1"NOTCH 80 7.1 1.7~8" NIA i
I I
I Circumferential Orlentawd Search Unit !
Cafibratlon Signet
$Weep I
Reflector Amplitude%
I I I
I Rafa,..nco/Slmulator Block I
Gain Signal Sweep I
dB Reflector Amplitude% Division Sound\\Path 32.3
.7SOH 85 5.4 1.516" I
I I
I Date l m
z 0 r-0 CJ)
C:
- 0 m
- 0 w
I O')
z
)>
""O (J)
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- I CD <
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(.,.) a.
""O CD
- !.O 0
0 (J)
- 0. C'>
CD r;;i--::::!.
..,., -* CD Ql ru3,....,._
co;:::;: z z CD CD
~ ~
CX) a.....
~ m c..n "'
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(.,.) 0 co3wc..n
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ENCLOSURE R3-6 Summary No.:.;.;;N.;.;1*.;.;R.;.;1 *...;..20.;.;..1_6_0 ___ -r ___
Examiner: Stevermer, Aaron J. pf,,,
Level: ll*PDI Examiner: N/A Level; NIA 0th er. NIA Level: N/A Comments:
Sketch or Photo:
~
~
~
.j,.
I I
Cf.
Additional* Supplemental Data Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 85 of 97
~
,)I.
\\)
' I
~
~
<;)
Report No.: __
U_T_-1_2-o_a1 __
Page:
4 of 5
Date: lf *I 7* la/2...
Date:~
Date:~
ENCLOSURE R3-6
-*-* IIJ!II ***---.. >.
,Dominion..
Weld Number Thickness 18
.14"
.. rLOW Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 86 of 97 ReporrNB: o I* I2*087' * * *** *- *-~---
summary# Nl.Rl.20.160 Pg.S of 5
Prepared by: W. Thomas -¢"~
Date: 4/17/2012 Weld Width Weld Length
.85" ttf'S v~,'i/)
.925kWO X,247" HT* jl1f' SQ IN AEQUIREO VOLUME UF'ST ANO CINSi' SIOE
- 2l
~
EXAMINED 100% AEQUlFtEO VOLUME UPS'T S!Oe AX ANO CIRO OIAISCTION Examlnaticm Volume Dimensions -
Height
.247" Length 2.8" Width 1.85" Coverage Summary Required Scans (each has a weighlns factor of 100 for complete coverage) I ANGLE UpSt*Ax UpSt*Clrc DnSt*Ax onst-Clrc 45 100%
0%
60 100%
60L
- .M"% 35 ii ICI :,
C.,. -
Total I
50%
1oo+1oo+o+Jn=232/4=S8' sq
- Best Effort Coverage (Max 25%) Total I A% 'I~
Notes: f&
tzi1
- 5
) ode coverage refers to the ma)!lmum percentage of the required examination volume that is effectively eicamlned with the qualified elCilmlnatlon procedure.
- 2) Best Effort coverage refers to the required examination volume past the weld centerline that is examined ln the axial beam direction with an Appendbc VIII demonstrated procedure for single sided coverage.
ANtldt/£ =
ui~Lz JnltJal(J -,~.
HSEl..cT
I
~
- .iJF Dominion' UT Calibration/Examination ER*AA-NDE-UT -700 Site/Unit
- __ :.:;;..,:. __ _;,_ ______ _
Outage No.:
N1R25 NAPS Procedure:
Summary No.:
N1.R1.20.327 Procedure Rev.:
0 Report No.:
UT-16.079 Workscope:
ISi Work Order No.:
59102933'133 Page:
1 of 3
Code:
2004 Edition Cat.fltem:
R*AIR1.20 location:
C-LOOP Drawing No.:
11715-WMKS.0109G-1
==
Description:==
VALVE-ELBOW System ID:
RC -------~----------------------------------------------
Component 10: 1171 S-WMKS-0109G-1 / 29-RC*7 / 27 Size/Length:
2.00° / 111.1 o~
Thickne,ss/Dlameter:
2.58" /29.0
Limitations:
No upstream scan due.t<> valve to' elbow configuration, 1 drain and 4 instrumetnaOon lines Start.Time:
0204 Finith Time:
0240 IM!rument SettinlJS Search Unit Cal.
Tim&
Axial Oriented Search Unit Date Serial No.;
140723S07 Serial No.:
021N2J Checks
.Calibration Signal sweep Manufacturer:
Olympus Manufacturer:
KBA Initial Cal.
0010 9/18/2016 Reflector Amplitude%
Division So.undPalh Model:
EPOCH GOO Linearity:
l..*16.020 Size:
1.0" Model:
Comp-G l Inter. Cal.
0204 9/1812016 IDNoteh 80%
5.0 3.600" Delay:
13.830 µs Range:
7,200" Fte(j.:
1.0 MH2:
Center Freq.:
NIA Inter. Cal.
0240 9/18/2016 M11 Ca!Nel:
0,2330 in/µs Pulser:
Square Exam Angle:
Squint Angle:
NIA Inter. Cal.
N/A 45*
Damping:
400!:l Reject:
0%
Final Cal.
0425 I 9/1812016 Measured Angle:
45*
Mode: Longitudinal Rep.Rate:
Auto Freq.:
1.0Mhz E1<it Point 0.90"
- of Elements:
1 Couplant Filler:
0,2 *1.2 Mht Mode:
Fullwan conlig.:
- -- Cal. Batch:
12J066 Cireurnfimintial Oriented S&arch Unit Single Focus: F.O.
- 2.44" Vollege:
400 Other:
NIA Type:
Sonoteeh Calibration Signal Sweep Shape:
Round Contour:
NIA Mfg.:
SONOTECH Reflector Amplitude%
Division Sound Path Wedge<Styla:
sws NIA Ax. Gain {dB}:
60.0 Circ. Gain (dB}:
NIA Exam Batch:
12J066 Search Unit Cable 10 Screen Div. = 7.20 in. of SouridPath Type:
Length:
No.Conn.: o Type:
Sonotech RG.. 174 6.' -
Mfg.;
SONOTECH Calibration Bicek Sean Coverage Cal. Block.No.
VG~3 Upstream D [?ownstream [;?j Scan dB: ~
Reference Block Reference/S!mulator Block Thickness 2.580" Dia.:
0 Gain Slgnc1l Sweep Sound Path CWR!
CCW RI Scan dB:
- 66.0 Serial No.:
05-6533 dB Reflector Amplitude% Olvision Cal. Blk. Temp. 11* Temp. Tool:
07 Type:
ss RomPJ.!s Block 50.0 FSOH 85%
1.5 1.060" Exam Surface:
00 Comp.Temp. ~
Temp. Tool:
07
- 11::,u./~~D i'""~ltlnn" Ground
~
Ultrasonic Indication Reoorl.l Results:
(s)
NRI RI D
RID GeomO CQ!llments: Search unit #2 of tandem unit SN
- 021 N29. Tanclem wedge SN
- 389..0713*510. Se:e attached for limitations.
Percent Of Coverage Obtained > 90%:
Examiner Zoltner, Brian D.
Level II.PD Examiner
, Level Stevermer, Aaron J.
Other l13vel NIA NIA UT Calibration/Examination No Reviewed Previous Data:
Signature NIA Date 9118[2016 Date 9118/2016 Date.
Data
<-t,tS-:I~.
m z
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Dombdon' Summary No,: N 1.1~1.20.327 Examiner: -Z-o-lln:...e_r-. ri-an_o.....,,7.,..* -hsZ~-=-------
Examiner: Stevermer, Aaron J, Other:...;N~l.!:?A~----------,.---
Supplemental Report Report No.:
Level:
11-PDI Level:
11-PDI Level:~
Page; Reviewer: *IJL,ty<'>... 1\\$
µN'IIC L_
Site Review: )~sP.$x.~n~~
ANII Review:
,,?# ~
UT-16-079 2
of 3
Date: 'f *l.!.f* 14 Date:~1,,
Date:~
Comments: There are 5 obstuct!ons on the pipe side of the weld, 4 being instrumentation lines and 1 drain line. The Instrumentation lines are located at 90°,
210*, 270° and 330" and the drain line is at 180° when looking with flow.
Instrumentation lines are 2.0" from the downstream toe and 4.1)" In length. The drain line Is 1.5" from the downstream toe and 6.0" In length.
Sketch or Photo:
Additional
- Supplemental Data
~
~2'(,jl,,
TOTAL~ AREA ps SJDEAX DIRECTION "'22" Lt/tll ;'fc."t>
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ca;::;.: z z (D
(D !=' !='
CX) a.....
ex> m 01 I\\J 0 ><??
D)
(.,J 0 c.o 3 (.,J (JI
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ENCLOSURE R3-7 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 89 of 97 27 Report No: UT~16-079 Summary# Nl.Rl.20.327 Pg.3 Of 3
Prepared by: W. Thomas Date:
9/25/2016 2"
Weld Number Thickness 3.1" Weld Width Weld Length 91.1" 45 J!
I PIPE 27 VALVE LIMITED.~ OS.SIQE.~.DIRECTION DUI:: TO.INSJ'RUMl:NT ATION ANQ PRAIN LINES= 22'.'
91.1 -22 = 69.1 / 91.1 =76%
NC CIRC EXAfv'I US SIPE.
Examination Volume Dimensions -
Height 1..03" length 91.1" Width Coverage Summary Required Scans.(eadl has a weighing factor oflOOforcomplete coverage) 3" ANGLE UpSt-A>c Upst.::arc DnSt:-Ax DnSt-Qrc 45 76%
0%
76%
100%
Code.Coverage Total I
63%
76+0+76+100=252/400=63
- Best Effort Coverage (Max 25%) Total I
N/A Notes:
l} Code Coverage refers to the maximum percentage ofthe required examination volume th;rt is effectivefy examined with the qualified examinatkm procedure.
2:) Best Effort Coverage refers to the requited examination volume past the weld centerline that is ~:xamined in the axial beam direction with an Appendix VIII demonstrated*procedure for single sided coverage.
~1$ f. 9tete.~r.> t.." It ~*~~
1/z.,;/z..1, 9531 rfS:!i Gf
UT Calibration/Examination
'~.-ui'llott' Site/Unit:
NAPS 1
Procedure:
ER*M-NDE*UT*802 Outage No.:
N1R21 Summary No.:
N1.R1.20.419 Procedure Rev.:
- 1.
Report No;:
UT-10-212 Wo!'kscope:
1$1 Wolk Ord.er No.:
59101970331 Page:
1 or 6
Code:
ASME 2004 Ed.
CatJltem:
R*A/R1.20 Location:
RC216 Drawing No.:
1171S*WMKS:-0113A*1
==
Description:==
Pipe to Valve System ID:
RH ---------------------------------------------------------
Com pone n t ID: 11715-WMKS-0113A-1 / 14-RH*1 / 4 Slie/Length:
1* / 44" Thickness/Diameter: 1,250" / 14.0" Limitations:
Slngle sided examination due to valve configuration Start Time:
0921 Finish Tlme:
0936 Instrument Settings Search Unit Cal.
Date Ax.lal Orientated Search Unit Time Serial No.:
01XK03 Serial No.:
OOF1DL Checks Calibration Signal sweep Manufacturer:
Krautkramer Manufacturer:
KBA Initial Cal.
0800 09{22/2010 Reflector Amplitude%
Division Sound Path Model:
USN60SW Size:
o.so*
Shape:
Round Inter. Cal.
092:0 09/22/2010 1.5" Notch 80%
6.0 2.111 Delay:
6.9862 Range:
3.535fl Freq.:
2.25 MHZ Style:
Comp-G Inter. cat NIA M'II Ce!Nel:
.1254 Pulser:
Square Exam Angle:
45*
- of Elements: Single Inter. cat NIA Final Cal.
1030 09/22/2010 Damping:
5000HM Reject:
0%
Mode:
Shear Rep. Rate:
Auto High Freq.:
2.25MHZ Measured Angle:
45*
Couplant Filter:
NIA Mode:
Full Wave Wedge Style:
MSWQC Cal. Batch:
07220 Circumferential Orientated Search Unit Voltage:
450V Other:
PW220 ns Type:
SoundSafa Callbrallon Slgnal Sweep Clrc. Gain (dB):
Reflector Amplitude%
Division Sound Path Ax. Gain (dB):
15.1 NIA Search Unit Cable Mfg.:
SONOTECH 1
Screen Olv. =.3535 in. of Sound Path Type:
RG-174 Exam Batch:
01220 NIA Linearity Report No.:
L-10-032 Length:
6' No. Conn.:
0 Type:
SoundSafe Calibration Block Scan Coverage Mfg.:
SONOTECH ca1. atoc.k No.:
05-8513 Upstream @ Downstream D Stan dB:.E.:!_
Reference Block Reference/Slmu!ator Block Thickness:
2.25" Ola.:
0 CW@
CCW@ Scan dS: ~
Serial No.:
05-6534 Gain Signal Swe;,p Sound Path dB Reflector Amolitude% OMsion Cal. Blk. Temp.: :E:_ Temp. Tool:
1066BGCY Exam Surface:
.7ttS0H 26%
2.9 1.0 19 Comp. Temp.:..!!.. Temp. Tool:
1066BGCY Surface Condition:
Ground Recordable lndlcatlon(s):
Yes O No@
(If Yes, Ref. Attached Ultrasonic lnd1cation Report.)
Results; NRI@
RIO Geom O Comments: NOER 21010*'182 Percent. Of Coverage Obtained > 90%:
Examiner Level II-POI Muirhead, Ryan Examiner Level II-POI Muirhead, Josie Other Level NIA NIA UT Cal/bratfon/Examinatlon No_
Reviewed Previous Data:
NIA Date' Reviewer 09/22/2010 IA..L."1i1'0:wt,1,S 09/22/2010 Date
't-Zl.f,tD
Date
- ?l-<<-l_.,..
Date m
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Sod' UT Calibration/Examination Prtleeduru::
ER-M,:NDE*UT~sa2 Outage No.:
N 1 R2:i S,terunit:
NAPS 1
Summary No.:
f01.R1.20.41*9 Pre<:ed1.11<<1 Rev.:
R:eport No.:
UT-111-212 Worll:scope::
ISi WQrit: On:!er No.:
59101'970331 Pagvr.
2 Ctf 6
Cod&:.
i>ra11M,1 No.:
System 10:
R'H ASME 2004 Ed.
1171:S-WMKS-0113A-t Catlttem:
R:-AIR1.2:0 l.oca!lon, RC216 Oesroptloo: Pipe to, ValYe 0, ~
n enl 10: 1171S-WM!<:!.Ml11i3A-1.!' 14-RH*i 14 S.ZeA.~ng-0,:
t" /44..
Thir:kne111ll0'4ameter: 1.2:iilr 1* 1,ur l.imimlwn:.:
Sl~le &!dad' Dllmd111111on due to wlva cc:mfl,guratlon StartTlm,e; 093:11 Finish llme:
- 0941, Tnstn.rme,nt Settings Search Unit Serial No.:
01XK03 ManJJfacttlfflt:
Krautkramer Cal.
Time Oalit Aldal Orlt~d Search Unit Chec:its Calbralion Stgnm.
Sweep
!Soulid Pillh Initial Cat 0010 ~o Reftecitor Amptit.u,r.kt %.
Dtllisroo Serial No.:
OOH530 Manufacliurer:
KBA Model; USN *111 SW Sl\\Z\\(t, o.50"
.Shape:
Rowm:t ln!er. Cal.
0.'937 ~10 Oe!ll't:
'9.3194 Range:
5.oo*
freq.:
2.25MHZ Style:
Comr,-0 Inter. Cal.
NIA M'll CaWet:
.121'9 Pulsfll":
Sq11111re exam Angl,e:
so*
- of E!emenls.: srn91e Inter. Cat HIA Damping:
5(1(1 OtlM Reject:
0%
Mede:
Shear Final Cal.
1033 ~011)
Rep. Ra1e:
A.ulo High Freq.:
2.25 MHZ Meaisurecl Aog!e:
W Couplant Filter:
WA Mode:
Fllil Waw Wedge Sfyte:
MSWQC Cat Saleh:
C17220
'Votta,ge:
450 V 0th<<:
PW 220 ns Type; S01i1rt1dSafe Ax. Gain {dB):
31 Cin:. Gain (dB!:
NIA Sffrdt Unit Cablo Ulg,;
SOHOTECH
_!_ ~
Oiv.....!!.. in. of Sound Path Type:
RG*174 Exam 8.111::h:
omo Unearily Report Ho.:
L*10-032:
Lenglh:
6' A
No.. eo~n1~u ----- Typ,e:
SolJ!l'ldSafe 0
Ca!lbratlon Block Scan CoYerage Mfg~:
SONOTECH Cal. Block NQ.:
05-8513 Upsiream @* Oownsmm O St:00 dB.: ~
Referaru:.11 Blocil Thiicitnessr.
2.21.i" Dia.:
0 CW@
CCW@ St:00 dB:~ Serial No.:
OS-'6534 Ca!. 81k. Temp.:.!!'.:. Temp. Toot fOti&'.BGCY Exam Swfacec 0.0 Type:
ss Rompus Block Comp. Temp.:.!!_ Temp. Toot 1ff68GCY SvriaoeComitioo:
Ground!
Reeontable lndfcat11>n{s):
Yes O No @
(If Yes;. Refc Allill:hed Ultrasooic l(ldicaU(ltl Report.)
t.5"~
u C:lreumferontlal Orientated' Se.in:h Unit Calibralion t S>gruil I Sv.re:ep Refflector f llmjlllude %
01\\/lsion NIA Gain dB 211.4 2.1 Palh
~
NRffi!J Rro
~o Pare.mt Of Coverag&.Obtiilined > 90%:
No Re'!/lcwed.f'rallklus Data:
WA Coromelll!s;. Effeclive c~ge U$lng the 00" search unit hH been verified by lhe preHnc:e. of ltlo weld roa-t respoose wrlng lhe 1'q\\J!fred s,c;iu.
Examlner Level lll.POI Datej Ra.,.ewer Da4a Muirhead, Ryan
- -r;;;..,...... s ExaimN/1 1.,6\\!ef ll*PDl Mwlmeed, Josie Olber Level NIA Date I ANlf RElll!e.,
Dale NIA UT Qa!ibralionl'i:xam1nalk:Jn m
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- 0 m
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UT Calibra.tion/Examination
~u:
NAPS I
1 Proee<tura:
ER...v..NDEM/T,&llt Ou!agrr Nit,,:
NtR21 Siu!Ml.li!)' No.:
N1Jt.1.20A19 Procllldu1111 R!W.:
1 R~ No,;
UT.10-212
¥1~1J:1ttp~
Ill Wi:111( Ordllll' No.:
$111111910331 P:at.isc 3
of 6
Code:
MMll:20134.Et:f.
CaUll.lffl'i:
11.JVRi.20 u:i,e,i,lion:
RC211 Or.~t4t1.:
1171~11iQ.o11M-1 O~!icn: l>illG fio \\l.afv, Siy!l:liem f!'J:
,ti'{ ------------------------------------------------------
Com po n oo 1 JO; tt'l'11,,WMl<S*01i1~t {1,t.;RtM J.t SizaiLMg{h; 1"f44~
~r.111~11111,eliltf: 1.21tr* I 14.r Umitallona:
Sin.gill lllido onml~on dn to llfflw confl;u,11U!!lft
- Slal'ITimili:
09:50 Flmksh Time:;
1~0 Utltt\\imanlt Sefflngs Searcih Unit c.*..
Tirno Dlilll Adil! Omi11141l>ttd S1111m:II Url'lt
$111rtai No.:
01Xl<!i3 Sn! No.:
OOF1DL Cti11cb Ce/i,bmlbl Slgmml
$weep
~ael/Ul'$r:
. kl'llfflk"'"'"'
~fl l{U 11'1.ltla!Oll. mo ~lHO Ftel'ier:w Ampt!t~e?.
Ill~ Sound Pltltl Mo~
USN60SW Slv:!:
O.!llr' Shape.:
Ro1t1td lttler-CBI.
00411 00/nl:ZO"IO 1.5" ffcrtAth
~
u
,Ui!
l.'lemy; 11'-3147 Ran~
7.:ro!I" Freq~
- US MHZ Styki,:
Comip-0 lnl.lr.CIII.
NIA M'!lCaVVel:
.1275 PUlt!M':
lqU:Mt E"l'llffl Al!QW; 10*
It-of fElemcnm:.s1111)lfo lmw. cat NIA
°'8mflffl!l:
'°OOffM R,efecl:
0%
I\\Aode;
$1,Qlllf Flnd (:i,1.
10:56 l>9122J2!110 Rep. Ri!l/ts,:
Alilill, High Freq.,
2.BMHZ Mutru.tl!d ~111:
71)"
Couptant F1Uier:
NJA Mod'e::
f'ulJWaw W~S~:
MSWQC CaL~:
07220 c:rrcumf111r111111l11I Orien.mled SOOJtch U111lt
~o:
'"'° I/
Oh:
PWfflnt Typo:
S<<1t1ll'ldSafu C#lil!itllion ilgnal
~
- SoL!lld P'lllh Ax. Gain (dB};
- i9 Clrc. Gain (dB);
~UnltC111ble M%1,.:
SOHOTI:Cl<l Rullectm Mipliwdo'lf.
01\\iis!on 1
S!l:l"f!en Olv,,. ::!;!! [11-1::if SaundPalh Typo:
RG-174 Elmrn Bl!lbth, 07220 NIA.
L~lrt R&poll't No.:
Vt!M>32 L.ool}lh:
Ir M:l.Coon.J 0
Type; SoundSaflt Cillbtalton Bllldl S4:,11111Co'l'ffl'l'lga MI\\F
- SONOTECR Ci,i, El~No.;
0!4513 lJp!llrlmmii!j Cn:mnr.lml!rnO Si,7.11)(! t:ffl: -~
Refarwooa Sloc'k RA>f!lil"CltiC*IS!mtH:llor lilloek Thic~:
2.u*
0111..:
0 cwo CCWO ~CMS:~ S1111'111I No.:
05-6534 Guln Si~
Sweep So1UndPt11!1 dB Rtll!!!dlll' Aml'lliudie'1. Ol.ulon Ci)J. IJlilL Tem1>,: 7l". TGlit1P, Tool:
10SGCY e.mms~:
OD Typa:
S'S ~mpue mock flt3
,:3w $DH
- %4%
1..$
-!Jh Comp. TS!t!ip,!..!!:.. Tl!!mp, Tool:
10fti8:BGCY Surface Caoollfon; Ground Recom1blo tndieallon(11);.
YooO No~
{IJYn, R1ltf. /1'1.Uaohed U!nimnlc: lm:!feal!on Report)
~:
NEU ji1 RI a-o CQmm11nta:
1'1011111 1"11110111111 Of CQ\\'Cll'a!ll'(f: Ot>>#lried > Sfl.,
Na R~d Pflm(IU5 Oeill:
WA.
1:'Jt11<<rlln111r l.evel
~
Oatel Revll!W$t Mu!fl,u(t, Ry.all l:J<atfflfUlf UM!!
Mufdtlfflcf, Joof!I
~
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z 0 r-0 ct, C
- 0 m
- 0 w
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ENCLOSURE R3-8 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 93 of 97
ENCLOSURE R3-8 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 94 of 97 Supplemental Report Summary No.: N1.R1.20.419 Examiner: Muirhead, Ryan
'2,..,_
Level:~
Examiner: Muirhead, Josie Jtu.\\
Level:. 11-PDI Other: NIA Level:
NfA Comments:
Sketch or Photo:
- I wc..w:: J
' VALVE Additional - Supplemental Data Report No.: __
u_T._10_-2_1_2_
Page:
5 of 6
Reviewer.
1,,..u ** '"iif..~s ~
SiteRev'.ew~* ~~
ANH Review: _ -----~----
Date: -,. z.'(
- 1,;,
Date: 7¢(./'.f"=>
Date: /#h7#P
ENCLOSURE R3-8 Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 95 of 97 Weld Nurrlber Wekl Thlckrles$
4 WelclWidlh Weld Length
%E:>'AMINl:01W%~RE)JSXAM\\Ol..l,M;OSAXIALCRB..!1:)NBES!"~
Examination Volume Dimem.kms ~ Height f.U9"'
length 44" Width ANGLE Notes:
DnSt'-Ax OnSt-Circ "100%
0%
- 1) Code Coverage ref'efs to lhe maximum oflhe ~red ~n Wlume that JS ettedtvety !\\Wlmlne!J With the e~rmnation prooodme.
- 2) Best Effort Coverage refer& to the raql.ilred examloalioo volume p;'lst the ward centerline that is examined in the axial beam direction with an Appendix vm deroon!.lrated rocedure for
- e sided cove 2."
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 96 of 97 7.0 DURATION OF PROPOSED ALTERNATIVE The proposed alternatives in this request, if approved, will be applicable for the fourth 10-year ISi interval for NAPS1 which began on May 1, 2009 and ended on April 30, 2019.
8.0 PRECEDENTS Similar relief was granted in the Third ISi Interval, as follows:
- 1. Request N1-13-PRT-004-Part B granted for limited coverage for ASME Section XI Exam category B-D, Item No. B3.110 items.
- 2. Request N1-13-PRT-004-Part D granted for limited coverage for Risk-Informed examinations on welds similar to the current selections.
Although Fourth Interval Risk-Informed selections are different from those for the Third Interval, alternative requests were granted for examinations in similar locations with the same service conditions as identified in requests N1-13-PRT-004-R1 and N2-13-PRT-002-R1.
NAPS1 was granted similar alternative requests for Fourth Interval First Period Limitations in request N1-14-LMT-001 and Second Period Limitations in request N1-14-LMT-002.
NAPS2 was granted similar alternative requests for Fourth Interval First Period Limitations in request N2-14-LMT-002 and Second Period Limitations in request N2-14-LMT-003.
9.0 REFERENCES
- 1. ASME Code Section XI, 2004 Edition with No Addenda.
- 2. "North Anna Power Station, Unit No. 1, "Third 10-Year lnservice Inspection Interval Program, Relief Request N1-13-PRT-004, Part A through Part G," dated 1/7/2011 (ADAMS Accession No.: ML110060011)
- 3. North Anna Power Station, Unit No. 2, "Relief Request N2-13-PRT-002, Limited Coverage Examinations for the Third 10-Year lnservice Inspection Interval,"
dated 8/17/2012 (ADAMS Accession No.: ML12227A773)
Serial No.: 20-056 Docket No.: 50-338 NAPS1 4th Interval 3rd Period Limited Exams Page 97 of 97
- 4. North Anna Power Station, Unit No. 1, "Relief Request N1-14-LMT-001, Limited Examinations for the Fourth 10-Year lnservice Inspection Interval Period 1,"
dated 8/30/2013 (ADAMS Accession No.: ML13234A353)
- 5. North Anna Power Station, Unit No. 1, "Relief Request N1-14-LMT-002, Limited Examinations for the Fourth 10-Year lnservice Inspection Interval Period 2,"
dated 1/10/2018 (ADAMS Accession No.: ML18005A190)
- 6. North Anna Power Station, Unit No. 2, "Relief Request N2-14-LMT-002, Limited Examinations for the Fourth 10-Year lnservice Inspection Interval Period 1,"
dated 2/3/2015 (ADAMS Accession No.: ML15023A219)
- 7. North Anna Power Station, Unit No. 2, "Relief Request N2-14-LMT-003, Limited Examinations for the Fourth 10-Year lnservice Inspection Interval Period 2,"
dated 5/29/2019 (ADAMS Accession No.: ML19143A342)
- 8. ASME Code Case N-460, "Alternative Examination Coverage for Class 1 and Class 2 Welds"
- 9. North Anna Power Station, Unit Nos. 1 and 2, "Fourth 10-Year lnservice Inspection (ISi) Program, Relief Requests (RRs) for Alternative N1-14-Rl-001 and N2-14-Rl-001," dated 1/21/2011 (ADAMS Accession No.: ML110050003)