ML14073A060: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(StriderTol Bot change)
 
Line 18: Line 18:
{{#Wiki_filter:ATTACHMENT 3 TO ENTERGY LETTER 2.14.023 PILGRIM RELIEF REQUEST PRR-25 Calculation Cover Page EC # 49514 Pilgrim Salt Service Water Discharge Piping Elbow (JF29-8-4) Wall Thinning Stress Analysis Structural Integrity Associates Calculation No. 1400287.301, Rev. 0 (22 Pages)
{{#Wiki_filter:ATTACHMENT 3 TO ENTERGY LETTER 2.14.023 PILGRIM RELIEF REQUEST PRR-25 Calculation Cover Page EC # 49514 Pilgrim Salt Service Water Discharge Piping Elbow (JF29-8-4) Wall Thinning Stress Analysis Structural Integrity Associates Calculation No. 1400287.301, Rev. 0 (22 Pages)


ATTACHMENT 9.2                                                       ENGINEERING CALCULATION COVER PAGE Sheet 1 of 2 nI ANO-1           LI ANO-2             El   GGNS           E] IP-2             [I IP-3       El PLP El JAF             E PNPS               E] RBS               EL VY               [I W3 LI NP-GGNS-3       LI NP-RBS-3 CALCULATION             ()EC #         49514                               J2) Page I of   2.2.
ATTACHMENT 9.2 ENGINEERING CALCULATION COVER PAGE Sheet 1 of 2 nI ANO-1 LI ANO-2 El GGNS E] IP-2
COVER PAGE (3) Design Basis Calc. [-]YES           [*NO       (4) [N CALCULATION.               El-EC Markup (5) Calculation No: M1397                                                               Ir) Revision: 0 (7)
[I IP-3 El PLP El JAF E PNPS E] RBS EL VY
[I W3 LI NP-GGNS-3 LI NP-RBS-3 CALCULATION
()EC # 49514 J2) Page I of 2.2.
COVER PAGE (3) Design Basis Calc. [-]YES
[*NO (4) [N CALCULATION.
El-EC Markup (5) Calculation No: M1397 Ir) Revision: 0 (7)


==Title:==
==Title:==
Pilgrim Salt Service Water Discharge Piping Elbow                         (O)Editorial (JF29-8-4) Wall Thinning Stress Analysis                                               D- YES         NO (9) System(s): 29                               (10) Review Org (Department):
Pilgrim Salt Service Water Discharge Piping Elbow (O) Editorial (JF29-8-4) Wall Thinning Stress Analysis D-YES NO (9) System(s): 29 (10) Review Org (Department):
(11)   Safety Class:                           (12) Component/Equipment/Structure Type/N umber:__________
(11)
8-PIpe/Nu F29 Ej Safety / Quality Related                     PIPE / JF29-8-4 D- Augmented Quality Program E-   Non-Safety Related (13) Document Type: CALC (14) Keywords (Description/Topical Codes):
Safety Class:
JF29-8-4, spool, SIA, Structural Integrity Associates, flaw, leak, rubber lining, 1400287.301, 1400287 REVIEWS (15) Name/Signature/Date             (16) Name/Sigrnature/Date         (17) Name/Signature/Date Structural Integrity Assoc.       John A. Tucker         ,  3),IY             See IAS Responsible Engineer           L--] Design Verifier                       Supervisor/Approval N Reviewer El-- Comments Attached                 El   Comments Attached EN-DC-126 R005
(12) Component/Equipment/Structure Type/N umber:__________
Ej Safety / Quality Related PIpe/Nu F29 8-PIPE / JF29-8-4 D-Augmented Quality Program E-Non-Safety Related (13) Document Type: CALC (14) Keywords (Description/Topical Codes):
JF29-8-4, spool, SIA, Structural Integrity Associates, flaw, leak, rubber lining, 1400287.301, 1400287 REVIEWS (15) Name/Signature/Date (16) Name/Sigrnature/Date (17) Name/Signature/Date Structural Integrity Assoc.
John A. Tucker 3),IY See IAS Responsible Engineer L--] Design Verifier Supervisor/Approval N Reviewer El Comments Attached El Comments Attached EN-DC-126 R005


ATTACHMENT   9.3                                                 CALCULATION REFERENCE SHEET Sheet 1 of 3 CALCULATION                   CALCULATION NO: M1397 REFERENCE SHEET               REVISION: O0 I. EC Markups Incorporated (N/A to NP calculations) 1.N/A 2.
ATTACHMENT 9.3 CALCULATION REFERENCE SHEET Sheet 1 of 3 CALCULATION CALCULATION NO: M1397 REFERENCE SHEET REVISION: O0 I. EC Markups Incorporated (N/A to NP calculations) 1.N/A 2.
3.
3.
4.
4.
5.
5.
I1. Relationships:             Sht     Rev     Input     Output     Impact   Tracking Doc       Doc         Y/N     No.
I1. Relationships:
: 1. Specification M300       2-12     109       x         0       N
Sht Rev Input Output Impact Tracking Doc Doc Y/N No.
: 2. M100-7250                 -        5         x         0       N
: 1. Specification M300 2-12 109 x
: 3.                                 _0                       0_
0 N
: 4.                                               []0       0
: 2. M100-7250 5
: 5.                                               0         0       __
x 0
II1. CROSS  
N
: 3.
_0 0_
: 4.
[]0 0
: 5.
0 0
II1.
CROSS  


==REFERENCES:==
==REFERENCES:==
1.PNPS Dwg M100-7250 2.ASME Code Case N-513-3 3.Flow of Fluids Through valves, Fittings and Pipe, Crane Co,., Technical Paper No.
1.PNPS Dwg M100-7250 2.ASME Code Case N-513-3 3.Flow of Fluids Through valves, Fittings and Pipe, Crane Co,., Technical Paper No.
410 4.
410 4.
5.
5.
IV. SOFTWARE USED:
IV.
SOFTWARE USED:


==Title:==
==Title:==
ANSYS Mechanical APDL and PrepPost             Version/Release: 12.1x64, Nov 2009 Disk/CD No. --
ANSYS Mechanical APDL and PrepPost Version/Release: 12.1x64, Nov 2009 Disk/CD No. --
V.     DISK/CDS INCLUDED:
V.
DISK/CDS INCLUDED:


==Title:==
==Title:==
N/A             Version/Release             Disk/CD No.
N/A Version/Release Disk/CD No.
VI. OTHER CHANGES:
VI.
OTHER CHANGES:
EN-DC-126 R005
EN-DC-126 R005


V       Structural Integrity Associates, Incy             File No.: 1400287.301 Project No.: 1400287 CALCULATION PACKAGE                                 Quality Program: Z Nuclear E] Commercial PROJECT NAME:
V Structural Integrity Associates, Incy File No.: 1400287.301 Project No.: 1400287 CALCULATION PACKAGE Quality Program: Z Nuclear E] Commercial PROJECT NAME:
Pilgrim Leaking Elbow Evaluation Support CONTRACT NO.:
Pilgrim Leaking Elbow Evaluation Support CONTRACT NO.:
10404807, Change Order No. 001 CLIENT:                                           PLANT:
10404807, Change Order No. 001 CLIENT:
Entergy Nuclear                                   Pilgrim Nuclear Power Station CALCULATION TITLE:
PLANT:
Pilgrim Salt Service Water Discharge Piping Elbow (JF29-8-4 Spool) Wall Thinning Stress Analysis Document       Affected                                     Project Manager           Preparer(s) &
Entergy Nuclear Pilgrim Nuclear Power Station CALCULATION TITLE:
Revision         Pages         Revision Description             Approval                 Checker(s)
Pilgrim Salt Service Water Discharge Piping Elbow (JF29-8-4 Spool) Wall Thinning Stress Analysis Document Affected Project Manager Preparer(s) &
Signature &Date         Signatures & Date 0A           1-16
Revision Pages Revision Description Approval Checker(s)
                    -              Initial Issue A-I   - A-2                                                               -  2 B-I - B-2 Eric Houston             Richard Bax EJH 3/3/14               RLB 3/3/14 Jim Wu JW 3/3/14 Page 1 of 16 F0306-OI RI
Signature &Date Signatures & Date 0A 1-16 Initial Issue A-I - A-2 2
B-I - B-2 Eric Houston Richard Bax EJH 3/3/14 RLB 3/3/14 Jim Wu JW 3/3/14 Page 1 of 16 F0306-OI RI


rStructuralIntegrity Associates, Inc!
rStructural Integrity Associates, Inc!
Table of Contents 1.0     O BJECTIV E .........................................................................................................     4 2.0     TECHNICAL APPROACH ....................................................................................                   4 3.0     ASSUMPTIONS / DESIGN INPUTS .....................................................................                         4 4.0     900 ELBOW FINITE ELEMENT MODEL DEVELOPMENT ............................. 4 4.1       Geometry and Element Selection .................................................................                     4 4.2       Boundary Conditions ...................................................................................             5 5.0     RESULTS OF ANALYSIS .....................................................................................                 5
Table of Contents 1.0 O BJECTIV E.........................................................................................................
4 2.0 TECHNICAL APPROACH....................................................................................
4 3.0 ASSUMPTIONS / DESIGN INPUTS.....................................................................
4 4.0 900 ELBOW FINITE ELEMENT MODEL DEVELOPMENT............................. 4 4.1 Geometry and Element Selection.................................................................
4 4.2 Boundary Conditions...................................................................................
5 5.0 RESULTS OF ANALYSIS.....................................................................................
5


==6.0     REFERENCES==
==6.0 REFERENCES==
....................................................................................................            6 APPENDIX A COMPUTER FILES ................................................................................                     A-i APPENDIX B JF29-8-4 SPOOL UT DATA ...................................................................                           B-1 File No.: 1400287.301                                                                                                                   Page 2 of 16 Revision: 0 F0306-01 RI
6 APPENDIX A COMPUTER FILES................................................................................
A-i APPENDIX B JF29-8-4 SPOOL UT DATA...................................................................
B-1 File No.: 1400287.301 Revision: 0 Page 2 of 16 F0306-01 RI


CStructuralIntegrity Associates, Inc.0 List of Tables Table 1: Membrane Stresses along the Elbow through the Leak Location ........................ 7 List of Figures Figure 1: Photo of UT Grid ..................................................................................................         8 Figure 2: Leak Location ........................................................................................................     9 Figure 3: Model Geometry, Global View ..........................................................................                   10 Figure 4: Model Geometry, Thinning View ...........................................................................                 11 Figure 5: Finite Element Model .........................................................................................             12 Figure 6: Loads and Boundary Condition Application for Global-Z Moment ..................                                           13 Figure 7: Total Hoop Stress Results due to In-Plane (Global-Z) Unit Moment .................                                         14 Figure 8: Total Hoop Stress Results due to Out-of-Plane (Global-Y) Unit Moment ........ 15 Figure 9: Linearized Path Locations ..................................................................................               16 File No.: 1400287.301                                                                                                                     Page 3 of 16 Revision: 0 F0306-OIRI
CStructural Integrity Associates, Inc.0 List of Tables Table 1: Membrane Stresses along the Elbow through the Leak Location........................ 7 List of Figures Figure 1:
Figure 2:
Figure 3:
Figure 4:
Figure 5:
Figure 6:
Figure 7:
Figure 8:
Figure 9:
Photo of UT Grid..................................................................................................
8 Leak Location........................................................................................................
9 Model Geometry, Global View..........................................................................
10 Model Geometry, Thinning View...........................................................................
11 Finite Element Model.........................................................................................
12 Loads and Boundary Condition Application for Global-Z Moment..................
13 Total Hoop Stress Results due to In-Plane (Global-Z) Unit Moment.................
14 Total Hoop Stress Results due to Out-of-Plane (Global-Y) Unit Moment........ 15 Linearized Path Locations..................................................................................
16 File No.: 1400287.301 Revision: 0 Page 3 of 16 F0306-OIRI


1f'StructuralIntegrity Associates, Inc!
1f'Structural Integrity Associates, Inc!
1.0         OBJECTIVE A weeping flaw was identified in a 900 elbow at Pilgrim Nuclear Power Station. The leakage was identified in the Salt Service Water system, JF29-8-4 Spool [1]. Structural Integrity Associates (SI) was contracted to demonstrate the suitability for continued operation of the leaking elbow using methods consistent with an upcoming revision of Code Case N-513-3 [2]. The objective of this calculation is to develop a finite element model of the thinned elbow and determine the local stresses due to applied bending loads.
1.0 OBJECTIVE A weeping flaw was identified in a 900 elbow at Pilgrim Nuclear Power Station. The leakage was identified in the Salt Service Water system, JF29-8-4 Spool [1]. Structural Integrity Associates (SI) was contracted to demonstrate the suitability for continued operation of the leaking elbow using methods consistent with an upcoming revision of Code Case N-513-3 [2]. The objective of this calculation is to develop a finite element model of the thinned elbow and determine the local stresses due to applied bending loads.
2.0         TECHNICAL APPROACH A finite element model (FEM) of the leaking elbow will be developed using the ANSYS finite element software program [3]. Unit moment loads will then be applied to the model and stresses in the local region of the leak will be extracted for use in an evaluation of allowable through-wall flaw lengths, which will be documented in a later calculation.
2.0 TECHNICAL APPROACH A finite element model (FEM) of the leaking elbow will be developed using the ANSYS finite element software program [3]. Unit moment loads will then be applied to the model and stresses in the local region of the leak will be extracted for use in an evaluation of allowable through-wall flaw lengths, which will be documented in a later calculation.
3.0         ASSUMPTIONS / DESIGN INPUTS The evaluated local thinning is from Reference [4] and is shown in Appendix B. The grid spacing is 0.75 inch [4]. The thinning data point locations for the Reference [4] values are shown in Figure 1.
3.0 ASSUMPTIONS / DESIGN INPUTS The evaluated local thinning is from Reference [4] and is shown in Appendix B. The grid spacing is 0.75 inch [4]. The thinning data point locations for the Reference [4] values are shown in Figure 1.
Design input for the 90' elbow is taken from Reference [1] unless noted otherwise.
Design input for the 90' elbow is taken from Reference [1] unless noted otherwise.
      "   Elbow Type: long radius (R) = 1.5.(Nominal Pipe Size) = 27 inches
" Elbow Type: long radius (R) = 1.5.(Nominal Pipe Size) = 27 inches
      "   Outside diameter (OD): 18 inches
" Outside diameter (OD): 18 inches
* Nominal wall thickness (t): Schedule 20 pipe = 0.312 inches [5]
* Nominal wall thickness (t): Schedule 20 pipe = 0.312 inches [5]
      "   Elbow material: ASTM A-234, Grade WPB.
" Elbow material: ASTM A-234, Grade WPB.
4.0         900 ELBOW FINITE ELEMENT MODEL DEVELOPMENT A three-dimensional (3-D) FEM of the 900 elbow is developed with the ANSYS finite element analysis software package [3].
4.0 900 ELBOW FINITE ELEMENT MODEL DEVELOPMENT A three-dimensional (3-D) FEM of the 900 elbow is developed with the ANSYS finite element analysis software package [3].
4.1         Geometry and Element Selection The three-dimensional finite element model is constructed using ANSYS 8-node SOLID45 structural solid elements. The region of ultrasonic (UT) measurement consists of eight (8) axial grid blocks by sixty-one (61) circumferential grid blocks [4]. Reference [4b] indicates that the axial grid is centered across the axial position of the leak (see Figure 1). The axial position of the hole, relative to the elbow is provided in Reference [6] and shown in Figure 2. The remaining elbow region, which was not UT examined is assumed to have a wall thickness equal to the nominal wall thickness of the pipe, 0.312 inch.
4.1 Geometry and Element Selection The three-dimensional finite element model is constructed using ANSYS 8-node SOLID45 structural solid elements. The region of ultrasonic (UT) measurement consists of eight (8) axial grid blocks by sixty-one (61) circumferential grid blocks [4]. Reference [4b] indicates that the axial grid is centered across the axial position of the leak (see Figure 1). The axial position of the hole, relative to the elbow is provided in Reference [6] and shown in Figure 2. The remaining elbow region, which was not UT examined is assumed to have a wall thickness equal to the nominal wall thickness of the pipe, 0.312 inch.
File No.: 1400287.301                                                                                   Page 4 of 16 Revision: 0 F0306-0I R1
File No.: 1400287.301 Page 4 of 16 Revision: 0 F0306-0I R1


VStructural     Integrity Associates, Inc.!
VStructural Integrity Associates, Inc.!
An additional length of straight pipe is added to either end of the elbow in order to remove boundary condition end effects from the areas of interest. The wall thicknesses of the additional lengths of pipe are modeled using nominal wall thickness, 0.312 inch.
An additional length of straight pipe is added to either end of the elbow in order to remove boundary condition end effects from the areas of interest. The wall thicknesses of the additional lengths of pipe are modeled using nominal wall thickness, 0.312 inch.
The leak location that is shown in Figure 2 is modeled as a square hole that is approximately 0.674 inches long axially by 0.464 inches long circumferentially. The elements originally modeled in the hole region are deactivated via the ANSYS EKILL command. The deactivated elements have near-zero stiffness contribution to the structure. The hole center axially between the Row 4, Column AO and Row 5 Column AO UT data points [4b] (see Appendix B).
The leak location that is shown in Figure 2 is modeled as a square hole that is approximately 0.674 inches long axially by 0.464 inches long circumferentially. The elements originally modeled in the hole region are deactivated via the ANSYS EKILL command. The deactivated elements have near-zero stiffness contribution to the structure. The hole center axially between the Row 4, Column AO and Row 5 Column AO UT data points [4b] (see Appendix B).
Figure 3 shows a global view of the FEM solid model geometry. Figure 4 shows a view of the thinning in the solid model geometry with a detailed view of the leak region. Figure 5 shows a global view of the final finite element model mesh. The ANSYS input files that generate the FEM are listed in Appendix A.
Figure 3 shows a global view of the FEM solid model geometry. Figure 4 shows a view of the thinning in the solid model geometry with a detailed view of the leak region. Figure 5 shows a global view of the final finite element model mesh. The ANSYS input files that generate the FEM are listed in Appendix A.
4.2         Boundary Conditions Two separate moment loads are applied to the FEM; an arbitrary unit 10,000 in-lb moment in the plane (moment about the global-z) of the elbow and an arbitrary unit 10,000 in-lb moment out of the plane (moment about the global-y) of the elbow (torsion loading is not evaluated). For the evaluations, one end of the attached piping is fixed in the axial and circumferential directions, and the CONTA 175 and TARGE170 ANSYS elements are used in the application of a pilot node to apply the moment loading to the other free end of the attached piping. An example of the applied boundary conditions is shown in Figure 6.
4.2 Boundary Conditions Two separate moment loads are applied to the FEM; an arbitrary unit 10,000 in-lb moment in the plane (moment about the global-z) of the elbow and an arbitrary unit 10,000 in-lb moment out of the plane (moment about the global-y) of the elbow (torsion loading is not evaluated). For the evaluations, one end of the attached piping is fixed in the axial and circumferential directions, and the CONTA 175 and TARGE170 ANSYS elements are used in the application of a pilot node to apply the moment loading to the other free end of the attached piping. An example of the applied boundary conditions is shown in Figure 6.
The resulting peak hoop stresses in the elbow are shown in Figures 7 and 8 for the in-plane and out-of-plane moment loads, respectively. The resulting stresses from these moment evaluations will be scaled to the appropriate load combination piping resultant moments in a later calculation. The input files for the moment evaluation are listed in Appendix A.
The resulting peak hoop stresses in the elbow are shown in Figures 7 and 8 for the in-plane and out-of-plane moment loads, respectively. The resulting stresses from these moment evaluations will be scaled to the appropriate load combination piping resultant moments in a later calculation. The input files for the moment evaluation are listed in Appendix A.
5.0         RESULTS OF ANALYSIS Linearized stresses are extracted at each of the grid locations provided in Reference [4] along the axial path of the elbow and through the leak location as shown in Figure 9. The extracted hoop membrane stress due to two moment loads are stored in the Excel spreadsheet, Pilgrim-Results.xlsx, and the results are shown in Table 1.
5.0 RESULTS OF ANALYSIS Linearized stresses are extracted at each of the grid locations provided in Reference [4] along the axial path of the elbow and through the leak location as shown in Figure 9. The extracted hoop membrane stress due to two moment loads are stored in the Excel spreadsheet, Pilgrim-Results.xlsx, and the results are shown in Table 1.
The input files for the post-processing as well as the output files are listed in Appendix A.
The input files for the post-processing as well as the output files are listed in Appendix A.
File No.: 1400287.301                                                                               Page 5 of 16 Revision: 0 F0306-01 RI
File No.: 1400287.301 Page 5 of 16 Revision: 0 F0306-01 RI


  ýkSlructuralIntegrity Associates, Inc.
ýkSlructural Integrity Associates, Inc.


==6.0       REFERENCES==
==6.0 REFERENCES==
: 1. Entergy Drawing No. Ml100-7250, Rev. E5, "Service Water System, E209N SSW Backwash Drain Piping," SI File No. 1400287.201.
: 1. Entergy Drawing No. Ml100-7250, Rev. E5, "Service Water System, E209N SSW Backwash Drain Piping," SI File No. 1400287.201.
: 2. ASME Code Case N-513-3, "Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Piping Section XI, Division I," Cases of ASME Boiler and Pressure Vessel Code, January 26, 2006.
: 2. ASME Code Case N-513-3, "Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Piping Section XI, Division I," Cases of ASME Boiler and Pressure Vessel Code, January 26, 2006.
Line 111: Line 155:
==Subject:==
==Subject:==
Pilgrim Hole Location Sketch," dated 2/25/14, with attached file, SI File No. 1400287.201.
Pilgrim Hole Location Sketch," dated 2/25/14, with attached file, SI File No. 1400287.201.
a) Pilgrim Hole Location Sketch.pdf File No.: 1400287.301                                                                         Page 6 of 16 Revision: 0 F0306-01 RI
a) Pilgrim Hole Location Sketch.pdf File No.: 1400287.301 Revision: 0 Page 6 of 16 F0306-01 RI


V     StructuralIntegrity Associates, Inc!
V Structural Integrity Associates, Inc!
Table 1: Membrane Stresses along the Elbow through the Leak Location UT Data                 Thickness               Membrane Hoop Stress, psi° Point",                 Inches (2)     In-Plane (Global-Z)       Out-of-Plane (Global-Y)
Table 1: Membrane Stresses along the Elbow through the Leak Location UT Data Thickness Membrane Hoop Stress, psi° Point",
Nominal                   0.312                 16                           2 1, AO                   0.352                 17                           25 2, AO                   0.353                 25                           21 3, AO                   0.361                 21                           61 4, AO(4)                 0.051                 352                           165 5, AO 41                 0.064                 281                           52 6, AO                   0.362                 21                           39 7, AO                   0.343                 36                           23 8, AO                   0.366                 41                           42 Nominal                   0.312                 16                           3 Notes:
Inches (2)
In-Plane (Global-Z)
Out-of-Plane (Global-Y)
Nominal 0.312 16 2
1, AO 0.352 17 25 2, AO 0.353 25 21 3, AO 0.361 21 61 4, AO(4) 0.051 352 165 5, AO 41 0.064 281 52 6, AO 0.362 21 39 7, AO 0.343 36 23 8, AO 0.366 41 42 Nominal 0.312 16 3
Notes:
: 1) See Figure 9 for layout of UT Data Points and Figure 4 for relative location on the elbow.
: 1) See Figure 9 for layout of UT Data Points and Figure 4 for relative location on the elbow.
: 2) UT data per Reference 4b and nominal thickness for 18 inch, Schedule 20 pipe.
: 2) UT data per Reference 4b and nominal thickness for 18 inch, Schedule 20 pipe.
: 3) The unit moment loadings where applied in arbitrary directions and thus the stress reported here are in terms of absolute values.
: 3) The unit moment loadings where applied in arbitrary directions and thus the stress reported here are in terms of absolute values.
: 4) The modeled hole is centered between these two data points.
: 4) The modeled hole is centered between these two data points.
File No.: 1400287.301                                                                             Page 7 of 16 Revision: 0 F0306-01 R1
File No.: 1400287.301 Revision: 0 Page 7 of 16 F0306-01 R1


CStructuralIntegrity Associates, Inc!
CStructural Integrity Associates, Inc!
Figure 1: Photo of UT Grid (From Reference 4a)
Figure 1: Photo of UT Grid (From Reference 4a)
File No.: 1400287.301                                           Page 8 of 16 Revision: 0 F0306-01 RI
File No.: 1400287.301 Revision: 0 Page 8 of 16 F0306-01 RI


V     StructuralIntegrity Associates, Inc!
V Structural Integrity Associates, Inc!
T4,¢ 0*
T4,¢ 0*
Figure 2: Leak Location (From Reference 6a)
Figure 2: Leak Location (From Reference 6a)
File No.: 1400287.301                                                     Page 9 of 16 Revision: 0 F0306-O1RI
File No.: 1400287.301 Revision: 0 Page 9 of 16 F0306-O1RI


CStructuralIntegrity Associates, Inc.
CStructural Integrity Associates, Inc.
AN FEB 26 2014 MAT  NM_                                                                  15:26:57 PLOT NO. 1
MAT NM_
                                              *          ~Region of UT DataI Figure 3: Model Geometry, Global View File No.: 1400287.301                                                             Page 10 of 16 Revision: 0 F0306-OIRI
AN FEB 26 2014 15:26:57 PLOT NO.
1
~Region of UT DataI Figure 3: Model Geometry, Global View File No.: 1400287.301 Revision: 0 Page 10 of 16 F0306-OIRI


VStructural   Integrity Associates, Inc.!
VStructural Integrity Associates, Inc.!
AN FEB 26 2014 15:36:55 PLOT NO. 1
AN FEB 26 2014 15:36:55 PLOT NO.
                                                                      -11.25inches Figure 4: Model Geometry, Thinning View File No.: 1400287.301                                                           Page IIof 16 Revision: 0 F0306-OIRI
1
-11.25inches Figure 4: Model Geometry, Thinning View File No.: 1400287.301 Revision: 0 Page II of 16 F0306-OIRI


W     StructuralIntegrity Associates, Inc.!
W Structural Integrity Associates, Inc.!
AN ELE=S FEB 26 2014 PEAL NUM                                                              16:26:36 PLIOT NO. 1 Figure 5: Finite Element Model File No.: 1400287.301                                                         Page 12 of 16 Revision: 0 F0306-01 RI
ELE=S PEAL NUM AN FEB 26 2014 16:26:36 PLIOT NO.
1 Figure 5: Finite Element Model File No.: 1400287.301 Revision: 0 Page 12 of 16 F0306-01 RI


V     StructuralIntegrity Associates, Inc.
V Structural Integrity Associates, Inc.
AN ELENENS FEB 26 2014 PFL NUM                                                                        16:28:04 PLOT NO. 1 Pilot   --
ELENENS PFL NUM AN FEB 26 2014 16:28:04 PLOT NO.
Node Circumferential and Axial DOF Constraints Figure 6: Loads and Boundary Condition Application for Global-Z Moment File No.: 1400287.301                                                                 Page 13 of 16 Revision: 0 F0306-Oi R1
1 Pilot Node Circumferential and Axial DOF Constraints Figure 6: Loads and Boundary Condition Application for Global-Z Moment File No.: 1400287.301 Revision: 0 Page 13 of 16 F0306-Oi R1


StructuralIntegrity Associates, Inc.
Structural Integrity Associates, Inc.
AN NWDAL SOLUTICN                                                                           FEB 27 2014 STEP=-2                                                                                     16:33:51 SUB =1                                                                                  PILT NO. 1 TIME=2 SZ         (AVG)
NWDAL SOLUTICN STEP=-2 SUB =1 TIME=2 SZ (AVG)
RSYS=12 DMX =.009007 SWN =-1169 SMX =891.661
RSYS=12 DMX =.009007 SWN =-1169 SMX =891.661 AN FEB 27 2014 16:33:51 PILT NO.
                                                                  -----    Modeled Hole
1 Modeled Hole
            -1169               -711.041             -253.126           204..789         662.704
-1169  
                      -939.998             -482.083           -24.168           433.746         891.661 Figure 7: Total Hoop Stress Results due to In-Plane (Global-Z) Unit Moment (Units are in terms of psi)
-711.041  
File No.: 1400287.301                                                                             Page 14 of 16 Revision: 0 F0306-01 R1
-253.126 204..789 662.704
-939.998  
-482.083  
-24.168 433.746 891.661 Figure 7: Total Hoop Stress Results due to In-Plane (Global-Z) Unit Moment (Units are in terms of psi)
File No.: 1400287.301 Revision: 0 Page 14 of 16 F0306-01 R1


rStructuralIntegrity Associates, Inc!
rStructural Integrity Associates, Inc!
AN NODAL SOLUTICN                                                                       FEB 27 2014 STEP=-I                                                                                   16:34:16 SUB =1                                                                              PLOT NO. 1 TIM1=1 Sz         (AVG)
NODAL SOLUTICN STEP=-I SUB =1 TIM1=1 Sz (AVG)
RSYS=12 DMX =. 00522 SHN =-642.857 SMX =658.506
RSYS=12 DMX =. 00522 SHN =-642.857 SMX =658.506 AN FEB 27 2014 16:34:16 PLOT NO.
                                                                ---- '*Modeled Hole
1
            -642.857           -353.665           -64.474 Rfl 122 224.718             513.91
----'*Modeled Hole
                      -4q,.2?61          -?2fl_ fq                            ýF~q_.314 Figure 8: Total Hoop Stress Results due to Out-of-Plane (Global-Y) Unit Moment (Units are in terms of psi)
-642.857  
File No.: 1400287.301                                                                           Page 15 of 16 Revision: 0 F0306-01 R1
-353.665
-4q,.2?61
-?2fl_ fq
-64.474 Rfl 122 224.718 513.91
ýF~q_.314 Figure 8: Total Hoop Stress Results due to Out-of-Plane (Global-Y) Unit Moment (Units are in terms of psi)
File No.: 1400287.301 Revision: 0 Page 15 of 16 F0306-01 R1


4     Structural Integrity Associates, Inc.
4 Structural Integrity Associates, Inc.
LhINES                     Nominal: 0.312"                                             FEB 26 2014 REAL NUM                                                                                    16:44:08 PLOT NO. 1 Location (8, AO): 0.366" 1 Location (7, AO): 0.343" 1 Location (6, AO): 0.362"   1 Location (5, AO): 0.064" I
LhINES REAL NUM Nominal: 0.312" Hole Region I Nominal: 0.3 12" FEB 26 2014 16:44:08 PLOT NO.
Hole Region Location (4, AO): 0.05 1" I 1"                           l I Location (3, AO): 0.361"   1 Location (2, AO): 0.353" Location (1, AO): 0.3525 I Nominal: 0.3 12" Figure 9: Linearized Path Locations File No.: 1400287.301                                                                             Page 16 of 16 Revision: 0 F0306-01R I
1 Location (8, AO): 0.366" 1 Location (7, AO): 0.343" 1 Location (6, AO): 0.362" 1
Location (5, AO): 0.064" I
Location (4, AO): 0.05 1" I 1"
l I Location (3, AO): 0.361" 1 Location (2, AO): 0.353" Location (1, AO): 0.3525 Figure 9: Linearized Path Locations File No.: 1400287.301 Revision: 0 Page 16 of 16 F0306-01R I


r   StructuralIntegrity Associates, Inc!
r Structural Integrity Associates, Inc!
APPENDIX A COMPUTER FILES File No.: 1400287.301                                     Page A- I of A-2 Revision: 0 F0306-01 R1
APPENDIX A COMPUTER FILES File No.: 1400287.301 Revision: 0 Page A-I of A-2 F0306-01 R1


rStructuralIntegrity Associates, Inc!
rStructural Integrity Associates, Inc!
FILENAME                                         DESCRIPTION geom-pil.inp                 ANSYS input file to generate finite element model.
FILENAME DESCRIPTION geom-pil.inp ANSYS input file to generate finite element model.
pilgrim.prn           ASCI file called by geom-pil.inp containing UT data. Generated in Excel spreadsheet Thickness Data.xls.
pilgrim.prn ASCI file called by geom-pil.inp containing UT data. Generated in Excel spreadsheet Thickness Data.xls.
load-pil-M.inp           ANSYS input file to run two 10,000 in-lb moment evaluations.
load-pil-M.inp ANSYS input file to run two 10,000 in-lb moment evaluations.
post-piI-M.inp             ANSYS input file to extract linearized stress results for two p10,000 in-lb moment evaluations.
post-piI-M.inp ANSYS input file to extract linearized stress results for two p10,000 in-lb moment evaluations.
Pilgrim-Unit-In.out         Output file containing linearized stress results for 10,000 in-lb in-plane moment   (about Global-Z) evaluation.
Pilgrim-Unit-In.out Output file containing linearized stress results for 10,000 in-lb in-plane moment (about Global-Z) evaluation.
Pilgrim-Unit-Out.out         Output file containing linearized stress results for 10,000 in-lb out-of-plane moment (about Global-Y) evaluation.
Pilgrim-Unit-Out.out Output file containing linearized stress results for 10,000 in-lb out-of-plane moment (about Global-Y) evaluation.
Thickness Data.xls                           Excel file with final UT data.
Thickness Data.xls Excel file with final UT data.
Pilgrim-Resuits.xlsx                   Compilation of the linearized stress results.
Pilgrim-Resuits.xlsx Compilation of the linearized stress results.
File No.: 1400287.301                                                                       Page A-2 of A-2 Revision: 0 F0306-OIRI
File No.: 1400287.301 Revision: 0 Page A-2 of A-2 F0306-OIRI


V     SlructuralIntegrity Associates, Inc!
V Slructural Integrity Associates, Inc!
APPENDIX B JF29-8-4 SPOOL UT DATA File No.: 1400287.301                                               Page B-1 of B-2 Revision: 0 F0306-OIRI
APPENDIX B JF29-8-4 SPOOL UT DATA File No.: 1400287.301 Revision: 0 Page B-1 of B-2 F0306-OIRI


VStructural                     Integrity Associates, Inc.!
VStructural Integrity Associates, Inc.!
iIeI\3Ee
!
                                        !*o*
* o* J*  
                                        -J   ;:]
-J ;:] --F i i*5 d*.........  
J* --F i i*5 d* .........
.................. i"...................
: 9. E 0cm''
iIeI\\3E e
                                                                                    .................. i"...................
: 9. E 0cm''
                                                                                                                          . ___..... .                                       ----....-T                       -....... ......                                         .
......... T °.......
m;eaonj Ipnr*rnt
m;eaonj  
                          -) . . . 1........
-)
P L!.bumlt r"s..90......l*Jnet.*
1 -' II.:L L!.bumlt,'oe r"s..90......l*Jnet.*
                                                        ,'oe II.:L
s,,*o2......
                                                      .FM... .nmn',
Ipn r*rnt P
.FM....n mn',
I
I
                                                                                    ................T °.......
'15tiumeitTa D'M 2 A Co0 11me JMItS N USvGY'23' "119 v/In kl7Jm -A.n r om V-9c Ala-r,n ~
s, ,*o2. .....
1
I......    ....
----....-T 1
1 - --
I......
              '15tiumeitTa D'M               A2 Co0                     11me   JMItS N USvGY'23' "119 v/In kl7Jm -A.n r om                                   V-9c Ala-r ,n       ~                 1 rs
S..
                                ,~         l:0.00 S..        __      4'cl~r~I .......                        0.03     :__I.                .__-_.......                    ............... .
rs l
A4 i33 AS V1,,:0000                                       AL.:m r lar-tl                             3(.          .......                        .............                . ... ....          ...............
,~
inlr                     FAdH                                                     0.lx2383.                                                                                        .
:0.00 4'cl~r~I 0.03
4ES R                                   ..              E".___
:__I.
                                                              .. ,-,,,,-----------                                                          *              ,        '-                    T
A4 i33 AS 1,,
* T'-
V :0000 AL.:m r lar-tl 3(.
                                                                                                                                                                                                                                                ..............    'I........
inlr FAdH 0.lx2383.
                'Fe*a       .!          A:!i. r.......-.
4E S R E".___
                                          -Or        iv ini              '
T
um      I...ll...l.
* T '-
v-m r inn..........    .. ..            -...............................
'Fe *a  
                                                                                                                        ......                                                        .      . .... Z....                                      ........
-Or A:!i. r.......-. '
            ' l l.r n                                   l.".. .......        . ..
I...ll...l.
i..                      I                 .          ... .....
Z....
            ,,-/,lrnu-       .l,       nr o 7.
iv ini um v-m r inn..........  
                                                                  -,~           ~~         I       -I                                                   .   ..
' l l.r n l.".. i..
                                      *.7'ATI AC I               R-       IL                         r.           I     F.             F.                                 I-                               .-l                                             M"         I       N"     I E       I     C3,18 I           03B         I C(3E3                 3.E.6           I     57I           3.57           I 3.5I I5           3377         I3.576       1 3.37,1             0.36? 1 0.387                   0368 1 0.338 4
I  
f       I r (351              03 11364 J Ir wk; CM0 3                3.569 c
,,-/,lrnu-  
                                                                                              .FA 1 1I CE 1 I 771.1ý 1).E I      FF 13.33C(
.l, nr o 7.
I 1IRF              n 0.32~1 0.8 177
-,~  
                                                                                                                                                                                                                                    ~        j~06 I n 7ý I 113t3 I nu?
~~ I  
0.383 I         353           0 357 1 C 34                 I     3.c7               (I78       I 3.c7E             I 3.1EI           3.332       1. 3.5. 1.3311 0.3751 0.3711 03731 0.372 F
-I  
LU n3          I FIUJ      .'
'I........
n113,4) 1I U.5 3(
*.7'ATI AC I
I J.
R-IL
I,731774 I 14       L '       t/5L UL 17 J.LL1 1        1 JZ 1831-r L
: r.
L1      J.m 1
I F.
U.J;e I7"1F77 U.Jil 11377 uws I n.375 I 137 UJ uI          .
F.
i           _                              --
I-
                                                                                                                                            "          I -I_
.-l M"
                                                                                                                                              ......... .....                              i..o....
I N"
o...                                           ........-    .i U.J:S VUiu:                   I UJti               UlJ I         I                                                                     1-41' 1 JA1'j           I UA.-I1F-UJ,:               IJ4           I~ici 1137      I   fl37qI            nv:L             113m I r4111 I                   114ml I         r4r7 I 4"7 I                     r4m i           zi;ln   I   fl-CA 1~7               1 147l1             1&)7       1477~ I 1477t I 11421 0.372         0383 1             0383             0393 1 (464 1                     0407,           C414           (42"             (419         3A26             0A*'I 3-38               ]   3A4             3-2-E         3.42-           0.-2           0.423 U.I           UJUJ               UjUi             UJ'UiJ       LL1J1J             U4LL             L412           L414 j           Lc           JA J.lI             1.
I E
1U2U       JiL         J1 J4L             J-J/         JA42'           U*' "-        U' I2 n77                 n[ w1           n,3 J r14n"                       n14              1-41           MIR 41            r47'?       lFF             57 1R1,77               ].f           I J21,1           147 1 n77 I                       4,'21 AP           A=         I       Ar;               At"                                   AI              .441             Al                 A'A           Al,             .4-1     1       AP             -4171         Ar       I     AF                 AT         A.]
I C3,18 I 03B I C(3E3 3.E.6 I
C 397 L UJU 0/3"     1 032           1 0393                   0388 I           0389                   z0393a                         C 93o              C(89   F     C309        I O.,.I             C3-17 F"           EE 1I 3.31               3.5             1-6 0.327       3.331F 0
57I 3.57 I 3.5I I5 3377 I3.576 1 3.37,1 0.36? 1 0.387 0368 1 0.338 4
h 0-Q33       0393               0383 1 0382 1 0383 1 0389 1 C388                                                   I C392                   C ICSI1352 1 02i:2                       I C32 I3.882                     1 1334 1 ).39                   1 0.292-           3.317 F.                           RI-               RI 341                                                                                              32                          3.5-i1           (.558 UJ-'S I             UiiJ. I         U.J4i I 111144I                      UIJ45 1 1111e                                     LU                    UILJJL
(351 03 3
                                                                                                                                                                                'IU                                         L UZU6J I     J.1LLYI           L.4J 0.328               0332             0.338           0343                 03431         0339               0337           (227             C(55           (331             .556           (356           3.559             C.5-1-1 013"3               0323             0.333 1034                           0332           0329               033 1 C336 I                       55       4     331           8.556     4C       356         3.510             (.519 59321           1n331               "1 37             5133               11347       11N4"               11333           rmi I 7                     I7 77F 13357.71                     p37n1           77;-16           77.33 File No.: 1400287.301                                                                                                                                                                                                                               Page B-2 of B-2 Revision: 0 F0306-01 RI}}
CM0 3.569 f
I r 11364 r
J wk; I
c.FA 1 I 1 C E 1).E 13.33C(
0.32~ 1 ~ j~
0.8 06 0.383 1
77 I 1.1ý I
FF I 1IRF n
177 I n 7ý I 113t3 I nu?
I 353 0 357 1 C 34 I 3.c7 (I78 I 3.c7E I 3.1EI 3.332
: 1. 3.5.
1.3311 0.3751 0.3711 03731 0.372 L U FI UJ.' 1 U.5 I J.
14 L '
t/5 L UL J.LL1 L1 JZ L
J.m U.J ;e U.Jil uws I UJ uI F
n 3 I n113,4)
I 3(
1774 I,73 I
17 1
1 1831-r 1
I7" 1F 77 11 377 n.375 I
137 i
I  
-I_
i..o....
o...
i.
U.J:S VUiu: I UJti UlJ I I 1-41' 1 JA1'j I UA.-I1F-UJ,:
IJ4 I~ici 11 37 I fl37q I nv:L 113m I r4111 I 114ml I r4r7 I 4"7 I r4m i zi;ln I fl-CA 1~7 1 147l1 1&)7 1477~ I 1477t I 11421 0.372 0383 1 0383 0393 1 (464 1
: 0407, C414 (42" (419 3A26 0A*'I 3-38 ] 3A4 3-2-E 3.42-0.-2 0.423 U.I UJUJ UjUi U J'UiJ LL1J1J U4LL L412 L414 j Lc J.lI JA
: 1.
1U2U JiL J1 J4L J-J/
JA42' U*'
U' I2 n77 n[ w1 n,3 r14n" n
J 14 1-41 41 MIR r47'?
lFF 57 1R 1,77 ].f I J2 1,1 147 1 n77 I 4,'21 AP A=
I Ar; At" A I
.441 Al C 397 L UJU C 93o A'A Al,  
.4-1 1
AP
-4171 Ar I
AF AT A.]
0/3" 1 032 1 0393 0388 I 0389 z0393a C(89 F C 309 I O.,.I C3-17 F" EE 1I 3.31 3.5 1-6 0.327 3.331F 0h 0-Q33 0393 0383 1 0382 1 0383 1 0389 1 C388 I C392 C ICSI 1352 1 02i:2 I C 32 I3.882 1 1334 1 ).39 1 0.292-3.317 F.
RI-RI 3.5-i1
(.558 341 32 UJ-'S I UiiJ. I U.J4i I 111144 I UIJ45 1 1111e L U
'IU UILJJL UZU L
6J I J.1LLYI L.4J 0.328 0332 0.338 0343 03431 0339 0337 (227 C(55 (331  
.556 (356 3.559 C.5-1-1 013"3 0323 0.333 1034 0332 0329 033 1 C336 I
55 4 331 8.556 4C 356 3.510
(.519 59321 1n331 "1 37 5133 11347 11N4" 11333 rmi I 7
I7 77F 133 57.71 p37n1 77;-16 77.33 File No.: 1400287.301 Revision: 0 Page B-2 of B-2 F0306-01 RI}}

Latest revision as of 22:42, 10 January 2025

Salt Service Water Discharge Piping Elbow (JF29-8-4) Wall Thinning Stress Analysis, Calculation No. 1400287.301, Rev. 0
ML14073A060
Person / Time
Site: Pilgrim
Issue date: 03/03/2014
From: Tucker J
Structural Integrity Associates
To:
Office of Nuclear Reactor Regulation
References
1400287.301, Rev. 0
Download: ML14073A060 (23)
v • d • e


Text

ATTACHMENT 3 TO ENTERGY LETTER 2.14.023 PILGRIM RELIEF REQUEST PRR-25 Calculation Cover Page EC # 49514 Pilgrim Salt Service Water Discharge Piping Elbow (JF29-8-4) Wall Thinning Stress Analysis Structural Integrity Associates Calculation No. 1400287.301, Rev. 0 (22 Pages)

ATTACHMENT 9.2 ENGINEERING CALCULATION COVER PAGE Sheet 1 of 2 nI ANO-1 LI ANO-2 El GGNS E] IP-2

[I IP-3 El PLP El JAF E PNPS E] RBS EL VY

[I W3 LI NP-GGNS-3 LI NP-RBS-3 CALCULATION

()EC # 49514 J2) Page I of 2.2.

COVER PAGE (3) Design Basis Calc. [-]YES

[*NO (4) [N CALCULATION.

El-EC Markup (5) Calculation No: M1397 Ir) Revision: 0 (7)

Title:

Pilgrim Salt Service Water Discharge Piping Elbow (O) Editorial (JF29-8-4) Wall Thinning Stress Analysis D-YES NO (9) System(s): 29 (10) Review Org (Department):

(11)

Safety Class:

(12) Component/Equipment/Structure Type/N umber:__________

Ej Safety / Quality Related PIpe/Nu F29 8-PIPE / JF29-8-4 D-Augmented Quality Program E-Non-Safety Related (13) Document Type: CALC (14) Keywords (Description/Topical Codes):

JF29-8-4, spool, SIA, Structural Integrity Associates, flaw, leak, rubber lining, 1400287.301, 1400287 REVIEWS (15) Name/Signature/Date (16) Name/Sigrnature/Date (17) Name/Signature/Date Structural Integrity Assoc.

John A. Tucker 3),IY See IAS Responsible Engineer L--] Design Verifier Supervisor/Approval N Reviewer El Comments Attached El Comments Attached EN-DC-126 R005

ATTACHMENT 9.3 CALCULATION REFERENCE SHEET Sheet 1 of 3 CALCULATION CALCULATION NO: M1397 REFERENCE SHEET REVISION: O0 I. EC Markups Incorporated (N/A to NP calculations) 1.N/A 2.

3.

4.

5.

I1. Relationships:

Sht Rev Input Output Impact Tracking Doc Doc Y/N No.

1. Specification M300 2-12 109 x

0 N

2. M100-7250 5

x 0

N

3.

_0 0_

4.

[]0 0

5.

0 0

II1.

CROSS

REFERENCES:

1.PNPS Dwg M100-7250 2.ASME Code Case N-513-3 3.Flow of Fluids Through valves, Fittings and Pipe, Crane Co,., Technical Paper No.

410 4.

5.

IV.

SOFTWARE USED:

Title:

ANSYS Mechanical APDL and PrepPost Version/Release: 12.1x64, Nov 2009 Disk/CD No. --

V.

DISK/CDS INCLUDED:

Title:

N/A Version/Release Disk/CD No.

VI.

OTHER CHANGES:

EN-DC-126 R005

V Structural Integrity Associates, Incy File No.: 1400287.301 Project No.: 1400287 CALCULATION PACKAGE Quality Program: Z Nuclear E] Commercial PROJECT NAME:

Pilgrim Leaking Elbow Evaluation Support CONTRACT NO.:

10404807, Change Order No. 001 CLIENT:

PLANT:

Entergy Nuclear Pilgrim Nuclear Power Station CALCULATION TITLE:

Pilgrim Salt Service Water Discharge Piping Elbow (JF29-8-4 Spool) Wall Thinning Stress Analysis Document Affected Project Manager Preparer(s) &

Revision Pages Revision Description Approval Checker(s)

Signature &Date Signatures & Date 0A 1-16 Initial Issue A-I - A-2 2

B-I - B-2 Eric Houston Richard Bax EJH 3/3/14 RLB 3/3/14 Jim Wu JW 3/3/14 Page 1 of 16 F0306-OI RI

rStructural Integrity Associates, Inc!

Table of Contents 1.0 O BJECTIV E.........................................................................................................

4 2.0 TECHNICAL APPROACH....................................................................................

4 3.0 ASSUMPTIONS / DESIGN INPUTS.....................................................................

4 4.0 900 ELBOW FINITE ELEMENT MODEL DEVELOPMENT............................. 4 4.1 Geometry and Element Selection.................................................................

4 4.2 Boundary Conditions...................................................................................

5 5.0 RESULTS OF ANALYSIS.....................................................................................

5

6.0 REFERENCES

6 APPENDIX A COMPUTER FILES................................................................................

A-i APPENDIX B JF29-8-4 SPOOL UT DATA...................................................................

B-1 File No.: 1400287.301 Revision: 0 Page 2 of 16 F0306-01 RI

CStructural Integrity Associates, Inc.0 List of Tables Table 1: Membrane Stresses along the Elbow through the Leak Location........................ 7 List of Figures Figure 1:

Figure 2:

Figure 3:

Figure 4:

Figure 5:

Figure 6:

Figure 7:

Figure 8:

Figure 9:

Photo of UT Grid..................................................................................................

8 Leak Location........................................................................................................

9 Model Geometry, Global View..........................................................................

10 Model Geometry, Thinning View...........................................................................

11 Finite Element Model.........................................................................................

12 Loads and Boundary Condition Application for Global-Z Moment..................

13 Total Hoop Stress Results due to In-Plane (Global-Z) Unit Moment.................

14 Total Hoop Stress Results due to Out-of-Plane (Global-Y) Unit Moment........ 15 Linearized Path Locations..................................................................................

16 File No.: 1400287.301 Revision: 0 Page 3 of 16 F0306-OIRI

1f'Structural Integrity Associates, Inc!

1.0 OBJECTIVE A weeping flaw was identified in a 900 elbow at Pilgrim Nuclear Power Station. The leakage was identified in the Salt Service Water system, JF29-8-4 Spool [1]. Structural Integrity Associates (SI) was contracted to demonstrate the suitability for continued operation of the leaking elbow using methods consistent with an upcoming revision of Code Case N-513-3 [2]. The objective of this calculation is to develop a finite element model of the thinned elbow and determine the local stresses due to applied bending loads.

2.0 TECHNICAL APPROACH A finite element model (FEM) of the leaking elbow will be developed using the ANSYS finite element software program [3]. Unit moment loads will then be applied to the model and stresses in the local region of the leak will be extracted for use in an evaluation of allowable through-wall flaw lengths, which will be documented in a later calculation.

3.0 ASSUMPTIONS / DESIGN INPUTS The evaluated local thinning is from Reference [4] and is shown in Appendix B. The grid spacing is 0.75 inch [4]. The thinning data point locations for the Reference [4] values are shown in Figure 1.

Design input for the 90' elbow is taken from Reference [1] unless noted otherwise.

" Elbow Type: long radius (R) = 1.5.(Nominal Pipe Size) = 27 inches

" Outside diameter (OD): 18 inches

  • Nominal wall thickness (t): Schedule 20 pipe = 0.312 inches [5]

" Elbow material: ASTM A-234, Grade WPB.

4.0 900 ELBOW FINITE ELEMENT MODEL DEVELOPMENT A three-dimensional (3-D) FEM of the 900 elbow is developed with the ANSYS finite element analysis software package [3].

4.1 Geometry and Element Selection The three-dimensional finite element model is constructed using ANSYS 8-node SOLID45 structural solid elements. The region of ultrasonic (UT) measurement consists of eight (8) axial grid blocks by sixty-one (61) circumferential grid blocks [4]. Reference [4b] indicates that the axial grid is centered across the axial position of the leak (see Figure 1). The axial position of the hole, relative to the elbow is provided in Reference [6] and shown in Figure 2. The remaining elbow region, which was not UT examined is assumed to have a wall thickness equal to the nominal wall thickness of the pipe, 0.312 inch.

File No.: 1400287.301 Page 4 of 16 Revision: 0 F0306-0I R1

VStructural Integrity Associates, Inc.!

An additional length of straight pipe is added to either end of the elbow in order to remove boundary condition end effects from the areas of interest. The wall thicknesses of the additional lengths of pipe are modeled using nominal wall thickness, 0.312 inch.

The leak location that is shown in Figure 2 is modeled as a square hole that is approximately 0.674 inches long axially by 0.464 inches long circumferentially. The elements originally modeled in the hole region are deactivated via the ANSYS EKILL command. The deactivated elements have near-zero stiffness contribution to the structure. The hole center axially between the Row 4, Column AO and Row 5 Column AO UT data points [4b] (see Appendix B).

Figure 3 shows a global view of the FEM solid model geometry. Figure 4 shows a view of the thinning in the solid model geometry with a detailed view of the leak region. Figure 5 shows a global view of the final finite element model mesh. The ANSYS input files that generate the FEM are listed in Appendix A.

4.2 Boundary Conditions Two separate moment loads are applied to the FEM; an arbitrary unit 10,000 in-lb moment in the plane (moment about the global-z) of the elbow and an arbitrary unit 10,000 in-lb moment out of the plane (moment about the global-y) of the elbow (torsion loading is not evaluated). For the evaluations, one end of the attached piping is fixed in the axial and circumferential directions, and the CONTA 175 and TARGE170 ANSYS elements are used in the application of a pilot node to apply the moment loading to the other free end of the attached piping. An example of the applied boundary conditions is shown in Figure 6.

The resulting peak hoop stresses in the elbow are shown in Figures 7 and 8 for the in-plane and out-of-plane moment loads, respectively. The resulting stresses from these moment evaluations will be scaled to the appropriate load combination piping resultant moments in a later calculation. The input files for the moment evaluation are listed in Appendix A.

5.0 RESULTS OF ANALYSIS Linearized stresses are extracted at each of the grid locations provided in Reference [4] along the axial path of the elbow and through the leak location as shown in Figure 9. The extracted hoop membrane stress due to two moment loads are stored in the Excel spreadsheet, Pilgrim-Results.xlsx, and the results are shown in Table 1.

The input files for the post-processing as well as the output files are listed in Appendix A.

File No.: 1400287.301 Page 5 of 16 Revision: 0 F0306-01 RI

ýkSlructural Integrity Associates, Inc.

6.0 REFERENCES

1. Entergy Drawing No. Ml100-7250, Rev. E5, "Service Water System, E209N SSW Backwash Drain Piping," SI File No. 1400287.201.
2. ASME Code Case N-513-3, "Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Piping Section XI, Division I," Cases of ASME Boiler and Pressure Vessel Code, January 26, 2006.
3. ANSYS Mechanical APDL and PrepPost, Release 12.1 x64, ANSYS, Inc., November 2009.
4. Email from John Tucker (Entergy) to Eric Houston (SI), "

Subject:

FW: JF29-4-8," dated 2/25/14, with attached files, SI File No. 1400287.20 1.

a) JF29-4-8 spool.JPG b) Spool JF29 4 8 012.xls

5. Flow of Fluids Through Valves, Fittings and Pipe, Crane Co., Technical Paper No. 410, 1976.
6. Email from Roger Metthe (Entergy) to Eric Houston (SI), "

Subject:

Pilgrim Hole Location Sketch," dated 2/25/14, with attached file, SI File No. 1400287.201.

a) Pilgrim Hole Location Sketch.pdf File No.: 1400287.301 Revision: 0 Page 6 of 16 F0306-01 RI

V Structural Integrity Associates, Inc!

Table 1: Membrane Stresses along the Elbow through the Leak Location UT Data Thickness Membrane Hoop Stress, psi° Point",

Inches (2)

In-Plane (Global-Z)

Out-of-Plane (Global-Y)

Nominal 0.312 16 2

1, AO 0.352 17 25 2, AO 0.353 25 21 3, AO 0.361 21 61 4, AO(4) 0.051 352 165 5, AO 41 0.064 281 52 6, AO 0.362 21 39 7, AO 0.343 36 23 8, AO 0.366 41 42 Nominal 0.312 16 3

Notes:

1) See Figure 9 for layout of UT Data Points and Figure 4 for relative location on the elbow.
2) UT data per Reference 4b and nominal thickness for 18 inch, Schedule 20 pipe.
3) The unit moment loadings where applied in arbitrary directions and thus the stress reported here are in terms of absolute values.
4) The modeled hole is centered between these two data points.

File No.: 1400287.301 Revision: 0 Page 7 of 16 F0306-01 R1

CStructural Integrity Associates, Inc!

Figure 1: Photo of UT Grid (From Reference 4a)

File No.: 1400287.301 Revision: 0 Page 8 of 16 F0306-01 RI

V Structural Integrity Associates, Inc!

T4,¢ 0*

Figure 2: Leak Location (From Reference 6a)

File No.: 1400287.301 Revision: 0 Page 9 of 16 F0306-O1RI

CStructural Integrity Associates, Inc.

MAT NM_

AN FEB 26 2014 15:26:57 PLOT NO.

1

~Region of UT DataI Figure 3: Model Geometry, Global View File No.: 1400287.301 Revision: 0 Page 10 of 16 F0306-OIRI

VStructural Integrity Associates, Inc.!

AN FEB 26 2014 15:36:55 PLOT NO.

1

-11.25inches Figure 4: Model Geometry, Thinning View File No.: 1400287.301 Revision: 0 Page II of 16 F0306-OIRI

W Structural Integrity Associates, Inc.!

ELE=S PEAL NUM AN FEB 26 2014 16:26:36 PLIOT NO.

1 Figure 5: Finite Element Model File No.: 1400287.301 Revision: 0 Page 12 of 16 F0306-01 RI

V Structural Integrity Associates, Inc.

ELENENS PFL NUM AN FEB 26 2014 16:28:04 PLOT NO.

1 Pilot Node Circumferential and Axial DOF Constraints Figure 6: Loads and Boundary Condition Application for Global-Z Moment File No.: 1400287.301 Revision: 0 Page 13 of 16 F0306-Oi R1

Structural Integrity Associates, Inc.

NWDAL SOLUTICN STEP=-2 SUB =1 TIME=2 SZ (AVG)

RSYS=12 DMX =.009007 SWN =-1169 SMX =891.661 AN FEB 27 2014 16:33:51 PILT NO.

1 Modeled Hole

-1169

-711.041

-253.126 204..789 662.704

-939.998

-482.083

-24.168 433.746 891.661 Figure 7: Total Hoop Stress Results due to In-Plane (Global-Z) Unit Moment (Units are in terms of psi)

File No.: 1400287.301 Revision: 0 Page 14 of 16 F0306-01 R1

rStructural Integrity Associates, Inc!

NODAL SOLUTICN STEP=-I SUB =1 TIM1=1 Sz (AVG)

RSYS=12 DMX =. 00522 SHN =-642.857 SMX =658.506 AN FEB 27 2014 16:34:16 PLOT NO.

1

'*Modeled Hole

-642.857

-353.665

-4q,.2?61

-?2fl_ fq

-64.474 Rfl 122 224.718 513.91

ýF~q_.314 Figure 8: Total Hoop Stress Results due to Out-of-Plane (Global-Y) Unit Moment (Units are in terms of psi)

File No.: 1400287.301 Revision: 0 Page 15 of 16 F0306-01 R1

4 Structural Integrity Associates, Inc.

LhINES REAL NUM Nominal: 0.312" Hole Region I Nominal: 0.3 12" FEB 26 2014 16:44:08 PLOT NO.

1 Location (8, AO): 0.366" 1 Location (7, AO): 0.343" 1 Location (6, AO): 0.362" 1

Location (5, AO): 0.064" I

Location (4, AO): 0.05 1" I 1"

l I Location (3, AO): 0.361" 1 Location (2, AO): 0.353" Location (1, AO): 0.3525 Figure 9: Linearized Path Locations File No.: 1400287.301 Revision: 0 Page 16 of 16 F0306-01R I

r Structural Integrity Associates, Inc!

APPENDIX A COMPUTER FILES File No.: 1400287.301 Revision: 0 Page A-I of A-2 F0306-01 R1

rStructural Integrity Associates, Inc!

FILENAME DESCRIPTION geom-pil.inp ANSYS input file to generate finite element model.

pilgrim.prn ASCI file called by geom-pil.inp containing UT data. Generated in Excel spreadsheet Thickness Data.xls.

load-pil-M.inp ANSYS input file to run two 10,000 in-lb moment evaluations.

post-piI-M.inp ANSYS input file to extract linearized stress results for two p10,000 in-lb moment evaluations.

Pilgrim-Unit-In.out Output file containing linearized stress results for 10,000 in-lb in-plane moment (about Global-Z) evaluation.

Pilgrim-Unit-Out.out Output file containing linearized stress results for 10,000 in-lb out-of-plane moment (about Global-Y) evaluation.

Thickness Data.xls Excel file with final UT data.

Pilgrim-Resuits.xlsx Compilation of the linearized stress results.

File No.: 1400287.301 Revision: 0 Page A-2 of A-2 F0306-OIRI

V Slructural Integrity Associates, Inc!

APPENDIX B JF29-8-4 SPOOL UT DATA File No.: 1400287.301 Revision: 0 Page B-1 of B-2 F0306-OIRI

VStructural Integrity Associates, Inc.!

!

  • o* J*

-J ;:] --F i i*5 d*.........

.................. i"...................

iIeI\\3E e

9. E 0cm

......... T °.......

m;eaonj

-)

1 -' II.:L L!.bumlt,'oe r"s..90......l*Jnet.*

s,,*o2......

Ipn r*rnt P

.FM....n mn',

I

'15tiumeitTa D'M 2 A Co0 11me JMItS N USvGY'23' "119 v/In kl7Jm -A.n r om V-9c Ala-r,n ~

1

....-T 1

I......

S..

rs l

,~

0.00 4'cl~r~I 0.03
__I.

A4 i33 AS 1,,

V :0000 AL.:m r lar-tl 3(.

inlr FAdH 0.lx2383.

4E S R E".___

T

  • T '-

'Fe *a

-Or A:!i. r.......-. '

I...ll...l.

Z....

iv ini um v-m r inn..........

' l l.r n l.".. i..

I

,,-/,lrnu-

.l, nr o 7.

-,~

~~ I

-I

'I........

R-IL

r.

I F.

F.

I-

.-l M"

I N"

I E

I C3,18 I 03B I C(3E3 3.E.6 I

57I 3.57 I 3.5I I5 3377 I3.576 1 3.37,1 0.36? 1 0.387 0368 1 0.338 4

(351 03 3

CM0 3.569 f

I r 11364 r

J wk; I

c.FA 1 I 1 C E 1).E 13.33C(

0.32~ 1 ~ j~

0.8 06 0.383 1

77 I 1.1ý I

FF I 1IRF n

177 I n 7ý I 113t3 I nu?

I 353 0 357 1 C 34 I 3.c7 (I78 I 3.c7E I 3.1EI 3.332

1. 3.5.

1.3311 0.3751 0.3711 03731 0.372 L U FI UJ.' 1 U.5 I J.

14 L '

t/5 L UL J.LL1 L1 JZ L

J.m U.J ;e U.Jil uws I UJ uI F

n 3 I n113,4)

I 3(

1774 I,73 I

17 1

1 1831-r 1

I7" 1F 77 11 377 n.375 I

137 i

I

-I_

i..o....

o...

i.

U.J:S VUiu: I UJti UlJ I I 1-41' 1 JA1'j I UA.-I1F-UJ,:

IJ4 I~ici 11 37 I fl37q I nv:L 113m I r4111 I 114ml I r4r7 I 4"7 I r4m i zi;ln I fl-CA 1~7 1 147l1 1&)7 1477~ I 1477t I 11421 0.372 0383 1 0383 0393 1 (464 1

0407, C414 (42" (419 3A26 0A*'I 3-38 ] 3A4 3-2-E 3.42-0.-2 0.423 U.I UJUJ UjUi U J'UiJ LL1J1J U4LL L412 L414 j Lc J.lI JA
1.

1U2U JiL J1 J4L J-J/

JA42' U*'

U' I2 n77 n[ w1 n,3 r14n" n

J 14 1-41 41 MIR r47'?

lFF 57 1R 1,77 ].f I J2 1,1 147 1 n77 I 4,'21 AP A=

I Ar; At" A I

.441 Al C 397 L UJU C 93o A'A Al,

.4-1 1

AP

-4171 Ar I

AF AT A.]

0/3" 1 032 1 0393 0388 I 0389 z0393a C(89 F C 309 I O.,.I C3-17 F" EE 1I 3.31 3.5 1-6 0.327 3.331F 0h 0-Q33 0393 0383 1 0382 1 0383 1 0389 1 C388 I C392 C ICSI 1352 1 02i:2 I C 32 I3.882 1 1334 1 ).39 1 0.292-3.317 F.

RI-RI 3.5-i1

(.558 341 32 UJ-'S I UiiJ. I U.J4i I 111144 I UIJ45 1 1111e L U

'IU UILJJL UZU L

6J I J.1LLYI L.4J 0.328 0332 0.338 0343 03431 0339 0337 (227 C(55 (331

.556 (356 3.559 C.5-1-1 013"3 0323 0.333 1034 0332 0329 033 1 C336 I

55 4 331 8.556 4C 356 3.510

(.519 59321 1n331 "1 37 5133 11347 11N4" 11333 rmi I 7

I7 77F 133 57.71 p37n1 77;-16 77.33 File No.: 1400287.301 Revision: 0 Page B-2 of B-2 F0306-01 RI

Retrieved from "https://kanterella.com/w/index.php?title=ML14073A060&oldid=5213824"