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| issue date = 11/20/2013
| issue date = 11/20/2013
| title = APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51
| title = APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51
| author name = Cadogan J J
| author name = Cadogan J
| author affiliation = Arizona Public Service Co
| author affiliation = Arizona Public Service Co
| addressee name =  
| addressee name =  
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=Text=
=Text=
{{#Wiki_filter:6%A/- 10 CFR 50.55a John J. Cadogan, Jr Vice President, Nuclear Engineering r aps Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 Mail Station 7602 Tel 623 393 4083 102-06799-JJC/RKR/DCE November 20, 2013 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001
{{#Wiki_filter:6%A/-                     10 CFR 50.55a John J. Cadogan, Jr r aps                                                                                                            Vice President, Nuclear Engineering Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 102-06799-JJC/RKR/DCE                                                                                         Mail Station 7602 November 20, 2013                                                                                             Tel 623 393 4083 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001


==References:==
==References:==
: 1. Arizona Public Service Company (APS) letter number 102-06794, American Society of Mechanical Engineers (ASME) Code, Section XI, Request for Approval of an Alternative to Flaw Removal and Characterization  
: 1. Arizona Public Service Company (APS) letter number 102-06794, American Society of Mechanical Engineers (ASME) Code, Section XI, Request for Approval of an Alternative to Flaw Removal and Characterization- Relief Request 51, dated November 8, 2013
-Relief Request 51, dated November 8, 2013 2. APS letter number 102-06797, Response to Request for Additional Information  
: 2. APS letter number 102-06797, Response to Request for Additional Information - American Society of Mechanical Engineers (ASME) Code, Section XI, Request for Approval of an Alternative to Flaw Removal and Characterization- Relief Request 51, dated November 18, 2013
-American Society of Mechanical Engineers (ASME) Code, Section XI, Request for Approval of an Alternative to Flaw Removal and Characterization  
-Relief Request 51, dated November 18, 2013  


==Dear Sirs:==
==Dear Sirs:==


==Subject:==
==Subject:==
Palo Verde Nuclear Generating Station (PVNGS)Unit 3 Docket No. 50-530 APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51 Pursuant to 10 CFR 50.55a(a)(3)(i), Arizona Public Service Company (APS)requested the Nuclear Regulatory Commission (NRC) approve Relief Request 51 (Reference  
Palo Verde Nuclear Generating Station (PVNGS)
: 1) and responded to a request for additional information (Reference 2).By email dated November 20, 2013, the NRC staff provided a second RAI to request clarification of some of the responses provided in Reference  
Unit 3 Docket No. 50-530 APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51 Pursuant to 10 CFR 50.55a(a)(3)(i), Arizona Public Service Company (APS) requested the Nuclear Regulatory Commission (NRC) approve Relief Request 51 (Reference 1) and responded to a request for additional information (Reference 2).
: 2. The enclosure to this letter contains the APS response to the second NRC RAI.No commitments are being made to the NRC by this letter.A ierr-ber.  
By email dated November 20, 2013, the NRC staff provided a second RAI to request clarification of some of the responses provided in Reference 2. The enclosure to this letter contains the APS response to the second NRC RAI.
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No commitments are being made to the NRC by this letter.
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* o.I f C reek A ATTN: Document Control Desk U.S. Nuclear Regulatory Commission APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51 Page 2 Should you need further Information regarding this relief request, please contact Robert K. Roehler, Licensing Section Leader at (623) 393-5241.Sincerely, JJC/RKR/DE~s
* o.I f C reek A
 
ATTN: Document Control Desk U.S. Nuclear Regulatory Commission APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51 Page 2 Should you need further Information regarding this relief request, please contact Robert K. Roehler, Licensing Section Leader at (623) 393-5241.
Sincerely, JJC/RKR/DE~s


==Enclosure:==
==Enclosure:==
APS Response to the Second Request for Additional Information
              - Relief Request 51 cc:    M. L. Dapas          NRC Region IV Regional Administrator J. K. Rankin          NRC NRR Project Manager for PVNGS M. A. Brown          NRC Senior Resident Inspector for PVNGS
Enclosure APS Response to the Second Request for Additional Information - Relief Request 51
Enclosure APS Response to the Second RAI - Relief Request 51 Introduction Pursuant to 10 CFR 50.55a(a)(3)(i) Arizona Public Service Company (APS) requested the Nuclear Regulatory Commission (NRC) approve Relief Request 51, by letter number 102-06794, dated November 8, 2013 [Agencywide Documents Access and Management System (ADAMS) Accession No. ML13317A070]. APS proposed an alternative to the ASME Code requirements of Section Xl related to axial flaw indications identified in a Unit 3 reactor vessel bottom mounted instrument (BMI) nozzle.
Specifically, APS proposed a half-nozzle repair and a flaw evaluation as alternatives to the requirements for flaw removal of IWA-4421 and flaw characterization of IWA-3300.
By email dated November 15, 2013, the NRC staff provided a request for additional information (RAI). The'APS responses to the NRC RAI items were provided in APS letter number 102-06797, Response to Request for Additional Information - American Society of Mechanical Engineers (ASME) Code, Section Xl, Request for Approval of an Alternative to Flaw Removal and Characterization- Relief Request 51, dated November 18, 2013 [ADAMS Accession No. ML13323A763].
Subsequently, by email dated November 20, 2013, the NRC staff requested clarification of some of the RAI responses. This enclosure contains the APS response to the second NRC RAI.
NRC RAI-1 Your response to RAI-2 dated November 18, 2013, stated that, "The maximum faulted condition, Loss of Secondary Pressure [LSP] stresses, derived in Attachment 1 to this enclosure, occur at about 118 seconds into the transient (at the maximum through-wall temperature gradient) when the cold leg temperature is 344 0 F and the pressure is less than 300 psia. It is therefore conservative to add the maximum thermal stresses for this transient to the SS [steady state] pressure stresses." Please confirm that by adding the stresses under the SS condition to the stresses under the LSP condition for the SS +
LSP condition, you basically assumed that the pressure will be at 2235 psig at any time during the LSP and this is the source of conservatism that you mentioned above in the quote. Please clarify whether there is any other conservatism in the stresses under the SS + LSP condition.
APS Response Yes, the stresses from SS conditions with a pressure equal to 2235 pounds per square inch absolute (psia) and a temperature equal to 565 degrees Fahrenheit (OF) were added to the LSP transient. There are no other conservatisms regarding applied loads considered in the SS + LSP condition.
I


APS Response to the Second Request for Additional Information
Enclosure APS Response to the Second RAI - Relief Request 51 NRC RAI-2 Reference 7 of Attachment 2 to Relief Request 51 dated November 8, 2013, was provided as part of your response to RAI-4 dated November 18, 2013. However, it is not clear which stresses in Reference 7 were used in this application. Please indicate the Table number in Reference 7 from which the stresses were used to calculate the stress coefficients under the SS condition in Table 6-1 of Attachment 2 to Relief Request 51.
-Relief Request 51 cc: M. L. Dapas J. K. Rankin M. A. Brown NRC Region IV Regional Administrator NRC NRR Project Manager for PVNGS NRC Senior Resident Inspector for PVNGS Enclosure APS Response to the Second Request for Additional Information
APS Response The values were obtained from Table 5-3a, zero degree nozzle nodes, from weld top to weld bottom at a corresponding axial height of 1.11 inches to 2.89 inches, respectively.
-Relief Request 51 Enclosure APS Response to the Second RAI -Relief Request 51 Introduction Pursuant to 10 CFR 50.55a(a)(3)(i)
For axial heights 3.14 inches and 3.35 inches, the head nodes 81310 and 81410 are used and the stresses obtained from the supplemental data provided by Dominion Engineering, Inc. (Attachment 1 - Supplemental Data Table from PVB-OA).
Arizona Public Service Company (APS) requested the Nuclear Regulatory Commission (NRC) approve Relief Request 51, by letter number 102-06794, dated November 8, 2013 [Agencywide Documents Access and Management System (ADAMS) Accession No. ML13317A070].
NRC RAI-3 Your response to RAI-5 dated November 18, 2013, stated that, "The parameters used to calculate the CD [cooldown] condition used the same total stresses as defined for the SS condition above and included a cooldown transient of 100&deg;F/hour." Considering that the stresses under the CD condition in Table 4-3 of Attachment 2 to Relief Request 51 are much less than the stresses under the SS condition, the NRC staff still thinks that the CD condition are for thermal stresses only. Please confirm that by adding the stresses under the SS condition to the stresses under the CD condition for the SS + CD condition, you basically assumed that the pressure will be at 2235 psig at any time during CD and this is one source of extra conservatism. Please clarify whether there is any other conservatism in the stresses under the SS + CD condition.
APS proposed an alternative to the ASME Code requirements of Section Xl related to axial flaw indications identified in a Unit 3 reactor vessel bottom mounted instrument (BMI) nozzle.Specifically, APS proposed a half-nozzle repair and a flaw evaluation as alternatives to the requirements for flaw removal of IWA-4421 and flaw characterization of IWA-3300.By email dated November 15, 2013, the NRC staff provided a request for additional information (RAI). The'APS responses to the NRC RAI items were provided in APS letter number 102-06797, Response to Request for Additional Information
APS Response Yes, the stresses from SS conditions with a pressure equal to 2235 psia and a temperature equal to 565 OF were added to the CD transient. There are no other conservatisms regarding applied loads considered in the SS + CD condition.
-American Society of Mechanical Engineers (ASME) Code, Section Xl, Request for Approval of an Alternative to Flaw Removal and Characterization
NRC RAI-4 Your response to RAI-6 dated November 18, 2013, indicated that the J-R curve based on NUREG-0744, Volume 2, Revision 1, "Resolution of the Task A-1 1 Reactor Vessel Materials Toughness Safety Issue," is significantly different from that based on Regulatory Guide (RG) 1.161, "Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 FT-LB." As a result, you used the safety factors associated with RG 1.161 to perform the elastic plastic fracture mechanics (EPFM) analysis. The required safety factors for detected flaws (ASME Code) are different from 2
-Relief Request 51, dated November 18, 2013 [ADAMS Accession No. ML13323A763].
 
Subsequently, by email dated November 20, 2013, the NRC staff requested clarification of some of the RAI responses.
Enclosure APS Response to the Second RAI - Relief Request 51 those for postulated flaws (RG 1.161). To avoid identifying the causes for the significant difference between the J-R curves based on the two sources, which may be time consuming, please take out the extra conservatism associated with the stresses under the SS + CD condition (RAI-3) and perform the EPFM analysis using the safety factors for detected flaws.
This enclosure contains the APS response to the second NRC RAI.NRC RAI-1 Your response to RAI-2 dated November 18, 2013, stated that, "The maximum faulted condition, Loss of Secondary Pressure [LSP] stresses, derived in Attachment 1 to this enclosure, occur at about 118 seconds into the transient (at the maximum through-wall temperature gradient) when the cold leg temperature is 344 0 F and the pressure is less than 300 psia. It is therefore conservative to add the maximum thermal stresses for this transient to the SS [steady state] pressure stresses." Please confirm that by adding the stresses under the SS condition to the stresses under the LSP condition for the SS +LSP condition, you basically assumed that the pressure will be at 2235 psig at any time during the LSP and this is the source of conservatism that you mentioned above in the quote. Please clarify whether there is any other conservatism in the stresses under the SS + LSP condition.
APS Response An EPFM evaluation for the SS + CD condition was performed removing the 2235 psia pressure stress component for SS conditions and replacing it with 800 psia, which corresponds to the time of the maximum through-wall temperature gradient. This flaw evaluation was done using the J-R curve model presented in Regulatory Guide (RG) 1.161, Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 Ft-Lb, 1995. In addition, for the J-T based flaw stability analysis, the applied safety factors of 3.0 for primary and 1.5 for secondary (residual plus thermal) were used replacing the RG 1.161 safety factors of 1.5 and 1.0 respectively. Similarly, for the J-integral limited flaw extension of 0.1-inch analysis, the applied safety factors of 1.5 for primary and 1.0 for secondary (residual plus thermal) were used replacing the RG 1.161 safety factors of 1.4 and 1.0, respectively. These results demonstrate that both EPFM acceptance criteria were met.
APS Response Yes, the stresses from SS conditions with a pressure equal to 2235 pounds per square inch absolute (psia) and a temperature equal to 565 degrees Fahrenheit (OF) were added to the LSP transient.
Reaulatorv Guide 1.161 J-R Curve used with NUREG-0744 Safety Factors Ductile Crack Growth Stability Criterion:            T"app < Tmat At instability:                                      Tapp = Tmat Safety Factors        Kl*p        KI*s            Kl*(a)      ae    Kl'(ae)   Japp            Tapp    Stable?
There are no other conservatisms regarding applied loads considered in the SS + LSP condition.
Primary Secondary (ksi'in)           (ksi'in)        (ksi'in)      (in.) (ksi/in) (kips/in) 1.00      1.00      22.862      91.014        113.876      2.4557  123.942    0.506            1.800    Yes 1.50      1.00      34.293      91.014        125.307      2.5364  138.606    0.633            2.252      Yes 3.00      1.50      68.585      136.522        205.107      3.3144  259.350    2.217            7.884      Yes 5.00      1.00      114.309      91.014        205.323      3.3171  259.726    2.223            7.906      Yes 7.00      1.00      160.032      91.014        251.047      3.9328  345.787    3.941          14.014      No Iterate on safety factor until Tapp = Tmat to determine    Jinstability:
I Enclosure APS Response to the Second RAI -Relief Request 51 NRC RAI-2 Reference 7 of Attachment 2 to Relief Request 51 dated November 8, 2013, was provided as part of your response to RAI-4 dated November 18, 2013. However, it is not clear which stresses in Reference 7 were used in this application.
3nstability    T1app    Tmat 2.0878    2.0878      47.730      190.018        237.748      3.7410  319.384    3.362        11.956      11.956 at Jmat =  2.217    kips/in,        Tmat =      23.690                              ( Tapp    -  TM=t =  0.000 Applied J-Integral Criterion:                        Japp <JO.1 where,            Jo.1 =  Jmat at Aa = 0.1 in.
Please indicate the Table number in Reference 7 from which the stresses were used to calculate the stress coefficients under the SS condition in Table 6-1 of Attachment 2 to Relief Request 51.APS Response The values were obtained from Table 5-3a, zero degree nozzle nodes, from weld top to weld bottom at a corresponding axial height of 1.11 inches to 2.89 inches, respectively.
Safety Factors        Kl*p        Kl*I          Kl*(a)        ae    Kl'(ae)    Japp            Jo. 1     OK?
For axial heights 3.14 inches and 3.35 inches, the head nodes 81310 and 81410 are used and the stresses obtained from the supplemental data provided by Dominion Engineering, Inc. (Attachment 1 -Supplemental Data Table from PVB-OA).NRC RAI-3 Your response to RAI-5 dated November 18, 2013, stated that, "The parameters used to calculate the CD [cooldown]
Primary Secondary      (ksi'Jin)    (ksiqin)        (ksi/in)      (in.) (ksi'in) (kips/in)      (kips/in) 1.50       1.00      34.293      91.014        125.307    2.5364  138.606    0.633          1.542      Yes 3
condition used the same total stresses as defined for the SS condition above and included a cooldown transient of 100&deg;F/hour." Considering that the stresses under the CD condition in Table 4-3 of Attachment 2 to Relief Request 51 are much less than the stresses under the SS condition, the NRC staff still thinks that the CD condition are for thermal stresses only. Please confirm that by adding the stresses under the SS condition to the stresses under the CD condition for the SS + CD condition, you basically assumed that the pressure will be at 2235 psig at any time during CD and this is one source of extra conservatism.
 
Please clarify whether there is any other conservatism in the stresses under the SS + CD condition.
Enclosure APS Response to the Second RAI - Relief Request 51 These results demonstrate that both EPFM acceptance criteria are satisfied using primary/secondary safety factors of 3.0/1.5 for stable flaw extension and 1.5/1.0 for limited flaw extension. The applied tearing modulus of 7.884 is less than the material tearing modulus of 11.956 at instability and the applied J-integral of 0.633 kips/in is less than the material J-integral of 1.542 kips/in at a flaw extension of 0.1 inch.
APS Response Yes, the stresses from SS conditions with a pressure equal to 2235 psia and a temperature equal to 565 OF were added to the CD transient.
4
There are no other conservatisms regarding applied loads considered in the SS + CD condition.
 
NRC RAI-4 Your response to RAI-6 dated November 18, 2013, indicated that the J-R curve based on NUREG-0744, Volume 2, Revision 1, "Resolution of the Task A-1 1 Reactor Vessel Materials Toughness Safety Issue," is significantly different from that based on Regulatory Guide (RG) 1.161, "Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 FT-LB." As a result, you used the safety factors associated with RG 1.161 to perform the elastic plastic fracture mechanics (EPFM)analysis.
Enclosure APS Response to the Second RAI - Relief Request 51 ATTACHMENT I Supplemental Data Table From PVB-OA
The required safety factors for detected flaws (ASME Code) are different from 2 Enclosure APS Response to the Second RAI -Relief Request 51 those for postulated flaws (RG 1.161). To avoid identifying the causes for the significant difference between the J-R curves based on the two sources, which may be time consuming, please take out the extra conservatism associated with the stresses under the SS + CD condition (RAI-3) and perform the EPFM analysis using the safety factors for detected flaws.APS Response An EPFM evaluation for the SS + CD condition was performed removing the 2235 psia pressure stress component for SS conditions and replacing it with 800 psia, which corresponds to the time of the maximum through-wall temperature gradient.
 
This flaw evaluation was done using the J-R curve model presented in Regulatory Guide (RG)1.161, Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 Ft-Lb, 1995. In addition, for the J-T based flaw stability analysis, the applied safety factors of 3.0 for primary and 1.5 for secondary (residual plus thermal) were used replacing the RG 1.161 safety factors of 1.5 and 1.0 respectively.
Page 1 of 3 Enclosure - Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt USE MACRO FILE    WELDTAB SELECT          FOR ITEM=LIVE COMPONENT=
Similarly, for the J-integral limited flaw extension of 0.1-inch analysis, the applied safety factors of 1.5 for primary and 1.0 for secondary (residual plus thermal) were used replacing the RG 1.161 safety factors of 1.4 and 1.0, respectively.
IN RANGE          1 TO      82309 STEP          1 3467  ELEMENTS  (OF        3467  DEFINED)  SELECTED BY    ESEL    COMMAND.
These results demonstrate that both EPFM acceptance criteria were met.Reaulatorv Guide 1.161 J-R Curve used with NUREG-0744 Safety Factors Ductile Crack Growth Stability Criterion:
SELECT        ALL NODES HAVING ANY ELEMENT IN ELEMENT SET.
T"app < Tmat At instability:
4311 NODES (OF        4311 DEFINED) SELECTED FROM 3467 SELECTED ELEMENTS BY NSLE COMMAND.
Tapp = Tmat Safety Factors Kl*p KI*s Kl*(a) ae Kl'(ae) Japp Tapp Stable?Primary Secondary (ksi'in) (ksi'in) (ksi'in) (in.) (ksi/in) (kips/in)1.00 1.00 22.862 91.014 113.876 2.4557 123.942 0.506 1.800 Yes 1.50 1.00 34.293 91.014 125.307 2.5364 138.606 0.633 2.252 Yes 3.00 1.50 68.585 136.522 205.107 3.3144 259.350 2.217 7.884 Yes 5.00 1.00 114.309 91.014 205.323 3.3171 259.726 2.223 7.906 Yes 7.00 1.00 160.032 91.014 251.047 3.9328 345.787 3.941 14.014 No Iterate on safety factor until Tapp = Tmat to determine Jinstability:
PRINT S      NODAL SOLUTION PER NODE 1
2.0878 2.0878 47.730 190.018 237.748 3nstability T1app 3.362 11.956 Tmat 11.956 3.7410 319.384 at Jmat = 2.217 kips/in, Tmat = 23.690 ( Tapp -TM=t = 0.000 Applied J-Integral Criterion:
  ***** ANSYS - ENGINEERING ANALYSIS SYSTEM            RELEASE 8.0 ANSYS Mechanical U 00206332            VERSION=HPPA 8000-64        15:04:13    MAY 25,  2004 CP=        8.740 PV BMI(Od,CYC SS,3.001/0.75,0,A)         - Operating
Japp <JO.1 Jo.1 = Jmat at Aa = 0.1 in.where, Safety Factors Kl*p Primary Secondary (ksi'Jin)Kl*I Kl*(a)(ksiqin) (ksi/in)ae Kl'(ae) Japp Jo. 1 (in.) (ksi'in) (kips/in) (kips/in)OK?1.50 1.00 34.293 91.014 125.307 2.5364 138.606 0.633 1.542 Yes 3 Enclosure APS Response to the Second RAI -Relief Request 51 These results demonstrate that both EPFM acceptance criteria are satisfied using primary/secondary safety factors of 3.0/1.5 for stable flaw extension and 1.5/1.0 for limited flaw extension.
  *****  POST1 NODAL STRESS LISTING *****
The applied tearing modulus of 7.884 is less than the material tearing modulus of 11.956 at instability and the applied J-integral of 0.633 kips/in is less than the material J-integral of 1.542 kips/in at a flaw extension of 0.1 inch.4 Enclosure APS Response to the Second RAI -Relief Request 51 ATTACHMENT I Supplemental Data Table From PVB-OA Page 1 of 3 Enclosure
LOAD STEP=        0  SUBSTEP=        0 TIME=      7004.0         LOAD CASE=      0 THE FOLLOWING X,Y,Z VALUES ARE IN ELEMENT COORDINATES NODE    SX            SY              SZ            SXY          SYZ          Sxz 1   1622.3         16457.        -576.34      -2661.9      -238.10      -455.72 2    2937.2        13974.       -3617.6      -2064.9        29.576        102.91 3    4870.3        13191.       -4536.1      -1641.9        307.83        1482.9 4   4326.3        12733.        -4470.5      -1695.4        620.52        3028.0 5    2343.2        12575.        -3393.2      -2062.2        788.01        3881.2 6    19.788        12457.        -2000.3      -2423.1       753.02        3831.2 7  -1732.5        10394.        -882.02      -2297.1       528.11        2611.3 8  -2041.9        8657.6        -643.20      -2065.5        218.45        1187.0 9  -1682.8        7289.2        -1406.2      -1765.8        156.25       486.79 101  -2238.6        1701.4        -749.29      -872.18      -70.323        455.14 102  -2174.4        2469.2       -5364.4      -980.12        257.03        1217.8 103  -2189.7        3271.3       -6712.6      -1126.5       553.95        2730.0 104  -2007.1        3810.6       -6286.8      -1208.0        812.86        4017.5 105  -1419.5         5381.0        -4896.5      -1437.3        979.32        4871.5 106  -928.55        6454.8        -2394.5       -1614.6        1001.3        5001.9 107  -802.72        7100.8       -7.0911      -1774.2        836.27        4260.5 108  -1425.3        6576.0        1493.7      -1729.2       481.85        2338.7 109  -2212.8        5111.3         737.50      -1517.8        274.59        1192.4 201  -4914.7        -13785.       -5035.8         1776.6      220.58        2005.0 202  -5680.6        -10954.       -9118.7        1049.7      595.77        2935.5 203  -7073.4        -8129.1        -10415.        191.71      890.25        4440.3 204  -7314.8        -5627.0        -9249.9      -367.67        1033.7       5188.8 205  -6722.7        -3051.3       -6923.4      -774.53        1093.9        5497.6 206  -5268.3        505.97        -3630.8      -1216.4       1131.5        5649.5 207  -3646.9        4150.2        932.10      -1618.7        1069.6        5391.4 208  -2851.0        5567.1        5340.1      -1743.1        819.60        3849.3 209  -1557.6        4627.1         6616.0       -1331.5       475.70        2331.1 301   -5761.0       -22054.       -11780.         3348.7       342.96        2342.6 302  -7077.4       -17233.       -13289.         2089.4       683.74        3435.6 303   -8813.0       -13228.       -13372.         904.45       1006.0        5075.3 304   -9556.8       -9557.4       -11162.       -14.052       1110.2        5661.6 305   -9712.5       -5605.8       -8149.2       -875.73       1107.2        5672.1 Page 1
-Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt USE MACRO FILE WELDTAB SELECT IN RANGE FOR ITEM=LIVE COMPONENT=
 
1 TO 82309 STEP 1 3467 ELEMENTS (OF 3467 DEFINED) SELECTED BY ESEL COMMAND.SELECT ALL NODES HAVING ANY ELEMENT IN ELEMENT SET.1 4311 NODES (OF 4311 DEFINED) SELECTED FROM 3467 SELECTED ELEMENTS BY NSLE COMMAND.PRINT S NODAL SOLUTION PER NODE***** ANSYS -ENGINEERING ANALYSIS SYSTEM RELEASE 8.0 ANSYS Mechanical U 00206332 VERSION=HPPA 8000-64 15:04:13 MAY PV BMI(Od,CYC SS,3.001/0.75,0,A)
Page 2 of 3 Enclosure - Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt 81106  17597. 31911. -24553.     -2965.8    -1812.5      -9015.9 81107  23449. 45464. -13303.     -4617.4    -2292.8      -11540.
-Operating***** POST1 NODAL STRESS LISTING *****25, 2004 CP=8.740 LOAD STEP= 0 TIME= 7004.0 SUBSTEP=0 LOAD CASE= 0 THE FOLLOWING X,Y,Z VALUES ARE IN ELEMENT COORDINATES NODE SX SY SZ SXY 1 1622.3 16457. -576.34 -2661.9 2 2937.2 13974. -3617.6 -2064.9 3 4870.3 13191. -4536.1 -1641.9 4 4326.3 12733. -4470.5 -1695.4 5 2343.2 12575. -3393.2 -2062.2 6 19.788 12457. -2000.3 -2423.1 7 -1732.5 10394. -882.02 -2297.1 8 -2041.9 8657.6 -643.20 -2065.5 9 -1682.8 7289.2 -1406.2 -1765.8 101 -2238.6 1701.4 -749.29 -872.18 102 -2174.4 2469.2 -5364.4 -980.12 103 -2189.7 3271.3 -6712.6 -1126.5 104 -2007.1 3810.6 -6286.8 -1208.0 105 -1419.5 5381.0 -4896.5 -1437.3 106 -928.55 6454.8 -2394.5 -1614.6 107 -802.72 7100.8 -7.0911 -1774.2 108 -1425.3 6576.0 1493.7 -1729.2 109 -2212.8 5111.3 737.50 -1517.8 201 -4914.7 -13785. -5035.8 1776.6 202 -5680.6 -10954. -9118.7 1049.7 203 -7073.4 -8129.1 -10415. 191.71 204 -7314.8 -5627.0 -9249.9 -367.67 205 -6722.7 -3051.3 -6923.4 -774.53 206 -5268.3 505.97 -3630.8 -1216.4 207 -3646.9 4150.2 932.10 -1618.7 208 -2851.0 5567.1 5340.1 -1743.1 209 -1557.6 4627.1 6616.0 -1331.5 301 -5761.0 -22054. -11780. 3348.7 302 -7077.4 -17233. -13289. 2089.4 303 -8813.0 -13228. -13372. 904.45 304 -9556.8 -9557.4 -11162. -14.052 305 -9712.5 -5605.8 -8149.2 -875.73 Page 1 SYZ-238.10 29.576 307.83 620.52 788.01 753.02 528.11 218.45 156.25-70.323 257.03 553.95 812.86 979.32 1001.3 836.27 481.85 274.59 220.58 595.77 890.25 1033.7 1093.9 1131.5 1069.6 819.60 475.70 342.96 683.74 1006.0 1110.2 1107.2 Sxz-455.72 102.91 1482.9 3028.0 3881.2 3831.2 2611.3 1187.0 486.79 455.14 1217.8 2730.0 4017.5 4871.5 5001.9 4260.5 2338.7 1192.4 2005.0 2935.5 4440.3 5188.8 5497.6 5649.5 5391.4 3849.3 2331.1 2342.6 3435.6 5075.3 5661.6 5672.1 Page 2 of 3 Enclosure
81108  29958. 53076. -2299.9      -4773.4    -3152.5      -15678.
-Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt 81106 17597. 31911. -24553. -2965.8 -1812.5 -9015.9 81107 23449. 45464. -13303. -4617.4 -2292.8 -11540.81108 29958. 53076. -2299.9 -4773.4 -3152.5 -15678.81109 30827. 56779. 12280. -5603.7 -4035.9 -18996.81111 36522. 30210. -3606.7 1887.1 -4273.2 -22326.81112 46142. 32226. -10760. 3176.3 -2945.3 -16041.81113 36744. 40837. -9770.5 -1012.0 1049.8 7241.6 81114 47566. 54405. 14083. -1258.1 4563.0 25429.81115 40519. 46495. 11435. -1092.0 5019.1 28191.81116 57940. 47765. 11012. 2122.4 3276.5 17304.81117 74980. 49608. 10352. 5265.7 916.36 3895.8 81118 65345. 27615. 3149.2 7851.8 652.40 4334.6 81119 46865. 8913.1 -2561.6 7868.5 753.56 4338.7 81120 32189. 13180. -1331.8 3980.4 360.58 1736.4 81121 24770. 14811. -1208.2 2082.1 -5.9303 235.11 81122 21080. 15667. -1779.0 1126.3 -93.294 -533.11 81123 19886. 16590. -1621.9 712.69 -294.81 -724.76 81201 1976.4 14733. -35191. -2631.1 -448.46 -2535.1 81202 3051.3 12886. -36030. -2029.1 -833.62 -4144.3 81203 6829.9 15632. -32602. -1828.8 -1402.4 -7022.6 81204 10782. 20663. -28709. -2075.0 -1881.0 -9476.7 81205 15464. 27482. -23744. -2508.1 -2451.6 -12307.81206 20808. 34950. -15472. -2922.5 -3076.8 -15442.81207 27707. 45992. -3072.8 -3769.2 -3728.7 -18611.81208 33106. 53371. 15477. -4125.4 -4658.6 -23649.81209 29328. 24597. 5742.7 1569.4 -4522.3 -22857.81211 35199. 15338. -20402. 4712.5 -2469.3 -13638.81212 25455. 26224. -30739. -355.54 -1747.6 -8403.6 81213 31130. 47715. -8340.3 -3043.5 413.08 6116.3 81214 28101. 54232. 6116.3 -4223.6 3522.8 23326.81215 39396. 60555. 23612. -3343.3 3900.9 25912.81216 55443. 56919. 17404. 178.98 1821.8 8896.7 81217 70956. 52978. 12048. 3742.7 -431.96 -3695.4 81218 62481. 21398. 686.35 8608.1 919.08 5471.3 81219 43655. 10011. -1171.4 7072.9 1088.8 5700.8 81220 30621. 13299. -824.18 3636.7 299.10 2212.7 81221 23841. 14676. -1122.6 1910.9 16.751 126.56 81222 20627. 15602. -1600.4 1048.5 -154.23 -753.14 81223 19459. 16419. -1511.1 656.19 -358.69 -1037.8 81301 3097.4 18111. -22596. -3160.1 -573.25 -3483.3 81302 3277.3 13216. -26600. -2081.2 -1122.8 -5628.5 81303 6467.3 13047. -24528. -1350.7 -1871.7 -9346.1 81304 9125.1 16729. -20272. -1571.4 -2479.9 -12362.81305 11412. 23669. -14063. -2581.4 -3054.9 -15262.81306 14010. 34276. -5637.0 -4296.0 -3637.6 -18171.81307 14426. 44034. 4313.7 -6162.7 -3830.7 -19311.81308 9184.4 45219. 25352. -7949.8 -3611.6 -17296.81309 -807.55 36848. 40600. -8692.7 -2285.7 -13327.81310 15898. 3862.3 -41681. 2528.6 -1121.8 -8119.2 81311 -3379.0 20437. -38698. -5471.7 -2231.6 -9558.1 81312 9717.0 33295. -25931. -5241.9 -2148.7 -10211.81313 16358. 45540. -16398. -5396.4 -258.70 465.66 81314 27193. 57645. -1491.2 -4754.6 2047.0 13077.81315 36828. 67305. 14572. -4707.1 2564.5 15805.81316 45750. 57204. 21263. -1662.7 1711.5 9578.1 81317 51903. 42032. 7931.2 1559.4 -163.49 787.05 81318 52143. 17339. -1803.5 7283.4 1615.0 6352.1 81319 38843. 10846. -249.45 5970.1 930.26 6867.7 81320 28174. 12894. -867.64 3206.4 258.26 2303.6 81321 23137. 14680. -1089.2 1774.2 -43.567 -9.6570 81322 20031. 15457. -1495.4 949.10 -220.11 -1009.9 81323 19080. 16255. -1420.8 597.15 -410.40 -1293.3 81401 1536.3 21795. -11924. -4275.3 -523.78 -3021.5 Page 65 Page 3 of 3 Enclosure
81109  30827. 56779. 12280.     -5603.7     -4035.9       -18996.
-Attachment 1 Supplemental Data Table from PVB-OA 81402 81403 81404 81405 81406 81407 81408 81409 81410 81411 81412 81413 81414 81415 81416 81417 81418 81419 81420 81421 81422 81423 81501 81502 81503 81504 81505 81506 81507 81508 81509 81510 81511 81512 81513 81514 81515 81516 81517 81518 81519 81520 81521 81522 81523 81601 81602 81603 81604 81605 81606 81607 81608 81609 81610 81611 81612 81613 81614 81615 81616 81617 81618 2646.6 4692.7 5448.9 6092.9 5038.3 2951.9 277.89 3745.7-809.56-487.77 106.80 8863.8 18692.24400.30806.35027.33095.27677.25283.21694.19514.18679.1495.8 2598.5 2906.1 1233.3-828.36-1889.3-3142.6-1226.0-1648.0 2523.1 5523.8 4385.0 1931.2 1048.0 495.97-3218.0 4556.1 16909.21261.21547.20291.18834.18245.-207.03 169.54 532.03 158.82-500.20-938.02-154.10 115.01 918.94 1143.7 2110.5 3064.6-788.17-5556.8-8608.7-8186.1-1179.0 9429.9 16689.14265.15530.20927.29263.30789.26202.24197.4O983.32201.35261.40853.44478.48069.47764.36256.7102.7 9525.9 12989.14504.15370.16084.20251.14544.10848.8617.7 8892.2 10120.9234.2 10745.13556.47062.45566.41336.36969.34623.36003.30039.8683.4 4625.6 10505.12961.14494.15253.15909.9746.4 6025.5 4425.1 3383.4 2515.6 1706.0 2089.8 3464.0 6847.5 38556.35320.22772.10194.3964.6 899.45-820.72 414.66 7541.2 PVB-OA results.txt
81111  36522. 30210. -3606.7      1887.1    -4273.2       -22326.
-16115. -2976.8-15683. -2040.9-12149. -2115.5-7454.8 -3080.2-185.80 -4982.5 4707.9 -5829.8 11358. -4917.9 23859. -3251.7-18919. -9248.4-27479. -7008.9-20992. -7363.6-17100. -6056.1-13204. -4397.7 1007.3 -4219.3 8412.1 -2964.2 1174.7 36.003-1109.9 5363.1 236.43 3685.3-733.66 2564.5-1041.7 1488.6-1414.5 857.16-1349.9 530.80-4278.5 -3856.5-7244.2 -2443.1-7578.5 -1621.0-6051.7 -1527.1-3838.5 -2022.5-1850.9 -2525.8-326.69 -2512.8 5920.7 -2571.5 18201. -3489.2-5506.0 -9135.0-10957. -8174.7-17369. -7516.4-16653. -6481.5-15828. -5801.1-8934.7 -6182.9-2179.2 -5877.2-8528.2 -503.24-1217.0 2540.7 1569.0 2203.7-87.285 1769.5-749.72 1202.9-1269.5 739.94-1253.5 478.75-231.85 -2049.3-2035.8 -1203.6-2765.1 -815.45-2775.3 -666.08-2783.9 -595.99-3237.0 -403.49-1785.8 -347.05 4786.1 -560.86 11093. -1064.1-5184.9 -7605.0-6671.5 -6600.4-11516. -3907.3-14563. -1977.7-13882. -1606.1-13031. -1663.5-11371. -1360.0-10853. -429.88 144.02 239.80 Page 66-1037.1-1841.2-2396.1-2748.7-2694.8-2288.6-988.78 742.21-757.62-1969.8-2917.5-1265.3 345.13 840.82 1788.4 2000.5 2181.7 1048.0 342.60-83.212-235.78-421.57-261.71-596.05-1111.9-1473.6-1532.4-1263.8-704.61-251.73-287.89-572.34-420.36-1363.3-790.56 52.510 351.71 1285.8 1975.1 1573.2 1023.0 330.61-34.498-217.49-404.45-49.744-163.98-338.35-451.37-522.35-479.60-516.25-532.20-270.50 39.925 184.41 294.21 676.48 889.15 836.00 1199.1 842.69 756.33-5251.1-9228.9-11870.-13532.-13333.-11366.-3795.9 289.82-4135.0-8857.3-14274.-6505.2 1910.6 4946.6 11345.10069.8407.0 6782.1 2220.2 4.1405-1103.1-1339.7-1480.1-3001.1-5565.2-7304.7-7537.2-6235.8-3336.7-1769.7-1633.8-717.01-2730.7-6743.2-4088.1 484.45 1807.4 6918.0 9155.3 7625.6 5084.5 2100.6 60.156-998.07-1268.0-414.86-820.78-1669.2-2217.5-2538.5-2329.1-2671.8-2468.4-1897.9 766.78 846.96 1364.5 3845.8 5251.8 4877.7 6756.7 3736.4 3055.7}}
81112  46142. 32226.  -10760.       3176.3    -2945.3      -16041.
81113  36744. 40837. -9770.5      -1012.0     1049.8        7241.6 81114  47566. 54405. 14083.     -1258.1      4563.0        25429.
81115  40519. 46495. 11435.     -1092.0     5019.1        28191.
81116  57940. 47765. 11012.      2122.4      3276.5       17304.
81117  74980. 49608. 10352.       5265.7      916.36        3895.8 81118  65345. 27615. 3149.2       7851.8      652.40        4334.6 81119  46865. 8913.1  -2561.6      7868.5     753.56        4338.7 81120  32189. 13180. -1331.8      3980.4     360.58        1736.4 81121  24770. 14811. -1208.2      2082.1    -5.9303        235.11 81122  21080. 15667. -1779.0      1126.3    -93.294      -533.11 81123  19886. 16590. -1621.9      712.69    -294.81      -724.76 81201  1976.4 14733. -35191.     -2631.1    -448.46      -2535.1 81202  3051.3 12886. -36030.     -2029.1    -833.62      -4144.3 81203  6829.9 15632. -32602.     -1828.8    -1402.4      -7022.6 81204  10782. 20663. -28709.     -2075.0     -1881.0      -9476.7 81205  15464. 27482. -23744.     -2508.1    -2451.6      -12307.
81206  20808. 34950. -15472.     -2922.5    -3076.8       -15442.
81207  27707. 45992. -3072.8     -3769.2    -3728.7      -18611.
81208  33106. 53371. 15477.     -4125.4    -4658.6      -23649.
81209  29328. 24597. 5742.7      1569.4     -4522.3      -22857.
81211  35199. 15338. -20402.       4712.5    -2469.3      -13638.
81212  25455. 26224. -30739.     -355.54    -1747.6      -8403.6 81213  31130. 47715. -8340.3      -3043.5      413.08        6116.3 81214  28101. 54232. 6116.3      -4223.6      3522.8        23326.
81215  39396. 60555. 23612.     -3343.3      3900.9        25912.
81216  55443. 56919. 17404.       178.98      1821.8        8896.7 81217  70956. 52978. 12048.       3742.7    -431.96      -3695.4 81218  62481. 21398. 686.35      8608.1      919.08        5471.3 81219  43655. 10011. -1171.4      7072.9      1088.8        5700.8 81220  30621. 13299. -824.18      3636.7      299.10        2212.7 81221  23841. 14676. -1122.6      1910.9      16.751        126.56 81222  20627. 15602. -1600.4      1048.5     -154.23      -753.14 81223  19459. 16419. -1511.1      656.19    -358.69      -1037.8 81301  3097.4 18111. -22596.     -3160.1    -573.25      -3483.3 81302  3277.3 13216. -26600.     -2081.2    -1122.8       -5628.5 81303  6467.3 13047. -24528.     -1350.7    -1871.7      -9346.1 81304  9125.1 16729. -20272.     -1571.4    -2479.9      -12362.
81305  11412. 23669. -14063.     -2581.4     -3054.9      -15262.
81306  14010. 34276. -5637.0      -4296.0    -3637.6      -18171.
81307  14426. 44034. 4313.7      -6162.7    -3830.7       -19311.
81308  9184.4 45219. 25352.     -7949.8    -3611.6       -17296.
81309 -807.55 36848. 40600.     -8692.7    -2285.7      -13327.
81310  15898. 3862.3  -41681.       2528.6    -1121.8      -8119.2 81311 -3379.0 20437. -38698.     -5471.7    -2231.6      -9558.1 81312  9717.0 33295. -25931.     -5241.9    -2148.7      -10211.
81313  16358. 45540. -16398.     -5396.4    -258.70        465.66 81314  27193. 57645. -1491.2      -4754.6      2047.0        13077.
81315  36828. 67305. 14572.     -4707.1      2564.5        15805.
81316  45750. 57204. 21263.     -1662.7      1711.5        9578.1 81317  51903. 42032. 7931.2      1559.4    -163.49        787.05 81318  52143. 17339. -1803.5      7283.4      1615.0        6352.1 81319  38843. 10846. -249.45      5970.1      930.26        6867.7 81320  28174. 12894. -867.64      3206.4      258.26        2303.6 81321  23137. 14680. -1089.2       1774.2    -43.567      -9.6570 81322  20031. 15457. -1495.4      949.10    -220.11      -1009.9 81323  19080. 16255. -1420.8      597.15    -410.40      -1293.3 81401  1536.3 21795. -11924.     -4275.3    -523.78      -3021.5 Page 65
 
Page 3 of 3 Enclosure - Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt 81402  2646.6  16689. -16115.       -2976.8      -1037.1     -5251.1 81403  4692.7  14265.  -15683.      -2040.9      -1841.2     -9228.9 81404  5448.9  15530. -12149.       -2115.5     -2396.1     -11870.
81405  6092.9  20927. -7454.8      -3080.2      -2748.7      -13532.
81406  5038.3  29263. -185.80      -4982.5      -2694.8      -13333.
81407  2951.9  30789. 4707.9      -5829.8      -2288.6      -11366.
81408  277.89  26202. 11358.       -4917.9      -988.78      -3795.9 81409  3745.7  24197. 23859.       -3251.7      742.21        289.82 81410 -809.56  4O983. -18919.       -9248.4      -757.62      -4135.0 81411 -487.77  32201.  -27479.       -7008.9      -1969.8      -8857.3 81412  106.80  35261.  -20992.      -7363.6      -2917.5      -14274.
81413 8863.8  40853.  -17100.      -6056.1      -1265.3      -6505.2 81414 18692. 44478.  -13204.      -4397.7        345.13      1910.6 81415 24400. 48069. 1007.3      -4219.3      840.82        4946.6 81416 30806. 47764. 8412.1      -2964.2      1788.4        11345.
81417  35027. 36256. 1174.7         36.003      2000.5      10069.
81418  33095. 7102.7 -1109.9        5363.1      2181.7      8407.0 81419  27677. 9525.9  236.43        3685.3      1048.0      6782.1 81420  25283. 12989. -733.66        2564.5       342.60      2220.2 81421  21694. 14504. -1041.7        1488.6     -83.212        4.1405 81422  19514. 15370. -1414.5        857.16      -235.78      -1103.1 81423  18679. 16084. -1349.9        530.80    -421.57      -1339.7 81501  1495.8  20251. -4278.5      -3856.5      -261.71      -1480.1 81502  2598.5   14544. -7244.2      -2443.1      -596.05      -3001.1 81503  2906.1   10848.  -7578.5      -1621.0      -1111.9       -5565.2 81504  1233.3  8617.7  -6051.7      -1527.1      -1473.6      -7304.7 81505 -828.36  8892.2  -3838.5      -2022.5      -1532.4      -7537.2 81506 -1889.3  10120. -1850.9       -2525.8      -1263.8      -6235.8 81507 -3142.6  9234.2  -326.69      -2512.8      -704.61      -3336.7 81508 -1226.0  10745. 5920.7      -2571.5      -251.73      -1769.7 81509 -1648.0  13556. 18201.     -3489.2      -287.89      -1633.8 81510  2523.1  47062. -5506.0      -9135.0      -572.34      -717.01 81511  5523.8  45566. -10957.       -8174.7      -420.36      -2730.7 81512  4385.0   41336. -17369.       -7516.4      -1363.3      -6743.2 81513  1931.2  36969. -16653.       -6481.5      -790.56      -4088.1 81514  1048.0  34623. -15828.       -5801.1        52.510      484.45 81515  495.97  36003. -8934.7      -6182.9       351.71      1807.4 81516 -3218.0  30039. -2179.2      -5877.2        1285.8      6918.0 81517  4556.1  8683.4  -8528.2      -503.24        1975.1       9155.3 81518  16909. 4625.6  -1217.0        2540.7      1573.2       7625.6 81519  21261. 10505. 1569.0        2203.7      1023.0        5084.5 81520  21547. 12961. -87.285        1769.5       330.61      2100.6 81521  20291. 14494. -749.72        1202.9     -34.498        60.156 81522  18834. 15253. -1269.5         739.94    -217.49      -998.07 81523  18245. 15909.  -1253.5         478.75    -404.45      -1268.0 81601 -207.03  9746.4  -231.85      -2049.3      -49.744      -414.86 81602  169.54  6025.5 -2035.8      -1203.6      -163.98      -820.78 81603  532.03  4425.1  -2765.1      -815.45      -338.35      -1669.2 81604  158.82  3383.4 -2775.3      -666.08      -451.37      -2217.5 81605 -500.20  2515.6  -2783.9       -595.99      -522.35      -2538.5 81606 -938.02  1706.0 -3237.0       -403.49      -479.60      -2329.1 81607 -154.10  2089.8  -1785.8      -347.05      -516.25      -2671.8 81608  115.01  3464.0  4786.1       -560.86      -532.20      -2468.4 81609  918.94  6847.5    11093.     -1064.1      -270.50      -1897.9 81610  1143.7  38556. -5184.9       -7605.0       39.925        766.78 81611  2110.5  35320.  -6671.5      -6600.4       184.41      846.96 81612  3064.6  22772.  -11516.       -3907.3       294.21      1364.5 81613 -788.17  10194.  -14563.       -1977.7       676.48        3845.8 81614 -5556.8  3964.6  -13882.       -1606.1        889.15        5251.8 81615 -8608.7  899.45  -13031.       -1663.5        836.00      4877.7 81616 -8186.1 -820.72  -11371.       -1360.0        1199.1      6756.7 81617 -1179.0  414.66  -10853.       -429.88        842.69        3736.4 81618  9429.9   7541.2    144.02        239.80      756.33        3055.7 Page 66}}

Latest revision as of 12:03, 4 November 2019

APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51
ML13325A098
Person / Time
Site: Palo Verde Arizona Public Service icon.png
Issue date: 11/20/2013
From: Cadogan J
Arizona Public Service Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
102-06799-JJC/RKR/DCE
Download: ML13325A098 (11)
v • d • e


Text

6%A/- 10 CFR 50.55a John J. Cadogan, Jr r aps Vice President, Nuclear Engineering Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 102-06799-JJC/RKR/DCE Mail Station 7602 November 20, 2013 Tel 623 393 4083 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001

References:

1. Arizona Public Service Company (APS) letter number 102-06794, American Society of Mechanical Engineers (ASME) Code,Section XI, Request for Approval of an Alternative to Flaw Removal and Characterization- Relief Request 51, dated November 8, 2013
2. APS letter number 102-06797, Response to Request for Additional Information - American Society of Mechanical Engineers (ASME) Code,Section XI, Request for Approval of an Alternative to Flaw Removal and Characterization- Relief Request 51, dated November 18, 2013

Dear Sirs:

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Unit 3 Docket No. 50-530 APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51 Pursuant to 10 CFR 50.55a(a)(3)(i), Arizona Public Service Company (APS) requested the Nuclear Regulatory Commission (NRC) approve Relief Request 51 (Reference 1) and responded to a request for additional information (Reference 2).

By email dated November 20, 2013, the NRC staff provided a second RAI to request clarification of some of the responses provided in Reference 2. The enclosure to this letter contains the APS response to the second NRC RAI.

No commitments are being made to the NRC by this letter.

A ierr-ber. ' '. ihe STARS fSt r. av *.cic ind Rescu c<,ý .* xr.rC-.) A.- .[ian~ce Ca-.]. L ..ay * ( CI Di:ab' Canyon - PalI- ',-'erde

  • o.I f C reek A

ATTN: Document Control Desk U.S. Nuclear Regulatory Commission APS Response to Second Request for Additional Information (RAI) Regarding Relief Request 51 Page 2 Should you need further Information regarding this relief request, please contact Robert K. Roehler, Licensing Section Leader at (623) 393-5241.

Sincerely, JJC/RKR/DE~s

Enclosure:

APS Response to the Second Request for Additional Information

- Relief Request 51 cc: M. L. Dapas NRC Region IV Regional Administrator J. K. Rankin NRC NRR Project Manager for PVNGS M. A. Brown NRC Senior Resident Inspector for PVNGS

Enclosure APS Response to the Second Request for Additional Information - Relief Request 51

Enclosure APS Response to the Second RAI - Relief Request 51 Introduction Pursuant to 10 CFR 50.55a(a)(3)(i) Arizona Public Service Company (APS) requested the Nuclear Regulatory Commission (NRC) approve Relief Request 51, by letter number 102-06794, dated November 8, 2013 [Agencywide Documents Access and Management System (ADAMS) Accession No. ML13317A070]. APS proposed an alternative to the ASME Code requirements of Section Xl related to axial flaw indications identified in a Unit 3 reactor vessel bottom mounted instrument (BMI) nozzle.

Specifically, APS proposed a half-nozzle repair and a flaw evaluation as alternatives to the requirements for flaw removal of IWA-4421 and flaw characterization of IWA-3300.

By email dated November 15, 2013, the NRC staff provided a request for additional information (RAI). The'APS responses to the NRC RAI items were provided in APS letter number 102-06797, Response to Request for Additional Information - American Society of Mechanical Engineers (ASME) Code, Section Xl, Request for Approval of an Alternative to Flaw Removal and Characterization- Relief Request 51, dated November 18, 2013 [ADAMS Accession No. ML13323A763].

Subsequently, by email dated November 20, 2013, the NRC staff requested clarification of some of the RAI responses. This enclosure contains the APS response to the second NRC RAI.

NRC RAI-1 Your response to RAI-2 dated November 18, 2013, stated that, "The maximum faulted condition, Loss of Secondary Pressure [LSP] stresses, derived in Attachment 1 to this enclosure, occur at about 118 seconds into the transient (at the maximum through-wall temperature gradient) when the cold leg temperature is 344 0 F and the pressure is less than 300 psia. It is therefore conservative to add the maximum thermal stresses for this transient to the SS [steady state] pressure stresses." Please confirm that by adding the stresses under the SS condition to the stresses under the LSP condition for the SS +

LSP condition, you basically assumed that the pressure will be at 2235 psig at any time during the LSP and this is the source of conservatism that you mentioned above in the quote. Please clarify whether there is any other conservatism in the stresses under the SS + LSP condition.

APS Response Yes, the stresses from SS conditions with a pressure equal to 2235 pounds per square inch absolute (psia) and a temperature equal to 565 degrees Fahrenheit (OF) were added to the LSP transient. There are no other conservatisms regarding applied loads considered in the SS + LSP condition.

I

Enclosure APS Response to the Second RAI - Relief Request 51 NRC RAI-2 Reference 7 of Attachment 2 to Relief Request 51 dated November 8, 2013, was provided as part of your response to RAI-4 dated November 18, 2013. However, it is not clear which stresses in Reference 7 were used in this application. Please indicate the Table number in Reference 7 from which the stresses were used to calculate the stress coefficients under the SS condition in Table 6-1 of Attachment 2 to Relief Request 51.

APS Response The values were obtained from Table 5-3a, zero degree nozzle nodes, from weld top to weld bottom at a corresponding axial height of 1.11 inches to 2.89 inches, respectively.

For axial heights 3.14 inches and 3.35 inches, the head nodes 81310 and 81410 are used and the stresses obtained from the supplemental data provided by Dominion Engineering, Inc. (Attachment 1 - Supplemental Data Table from PVB-OA).

NRC RAI-3 Your response to RAI-5 dated November 18, 2013, stated that, "The parameters used to calculate the CD [cooldown] condition used the same total stresses as defined for the SS condition above and included a cooldown transient of 100°F/hour." Considering that the stresses under the CD condition in Table 4-3 of Attachment 2 to Relief Request 51 are much less than the stresses under the SS condition, the NRC staff still thinks that the CD condition are for thermal stresses only. Please confirm that by adding the stresses under the SS condition to the stresses under the CD condition for the SS + CD condition, you basically assumed that the pressure will be at 2235 psig at any time during CD and this is one source of extra conservatism. Please clarify whether there is any other conservatism in the stresses under the SS + CD condition.

APS Response Yes, the stresses from SS conditions with a pressure equal to 2235 psia and a temperature equal to 565 OF were added to the CD transient. There are no other conservatisms regarding applied loads considered in the SS + CD condition.

NRC RAI-4 Your response to RAI-6 dated November 18, 2013, indicated that the J-R curve based on NUREG-0744, Volume 2, Revision 1, "Resolution of the Task A-1 1 Reactor Vessel Materials Toughness Safety Issue," is significantly different from that based on Regulatory Guide (RG) 1.161, "Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 FT-LB." As a result, you used the safety factors associated with RG 1.161 to perform the elastic plastic fracture mechanics (EPFM) analysis. The required safety factors for detected flaws (ASME Code) are different from 2

Enclosure APS Response to the Second RAI - Relief Request 51 those for postulated flaws (RG 1.161). To avoid identifying the causes for the significant difference between the J-R curves based on the two sources, which may be time consuming, please take out the extra conservatism associated with the stresses under the SS + CD condition (RAI-3) and perform the EPFM analysis using the safety factors for detected flaws.

APS Response An EPFM evaluation for the SS + CD condition was performed removing the 2235 psia pressure stress component for SS conditions and replacing it with 800 psia, which corresponds to the time of the maximum through-wall temperature gradient. This flaw evaluation was done using the J-R curve model presented in Regulatory Guide (RG) 1.161, Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 Ft-Lb, 1995. In addition, for the J-T based flaw stability analysis, the applied safety factors of 3.0 for primary and 1.5 for secondary (residual plus thermal) were used replacing the RG 1.161 safety factors of 1.5 and 1.0 respectively. Similarly, for the J-integral limited flaw extension of 0.1-inch analysis, the applied safety factors of 1.5 for primary and 1.0 for secondary (residual plus thermal) were used replacing the RG 1.161 safety factors of 1.4 and 1.0, respectively. These results demonstrate that both EPFM acceptance criteria were met.

Reaulatorv Guide 1.161 J-R Curve used with NUREG-0744 Safety Factors Ductile Crack Growth Stability Criterion: T"app < Tmat At instability: Tapp = Tmat Safety Factors Kl*p KI*s Kl*(a) ae Kl'(ae) Japp Tapp Stable?

Primary Secondary (ksi'in) (ksi'in) (ksi'in) (in.) (ksi/in) (kips/in) 1.00 1.00 22.862 91.014 113.876 2.4557 123.942 0.506 1.800 Yes 1.50 1.00 34.293 91.014 125.307 2.5364 138.606 0.633 2.252 Yes 3.00 1.50 68.585 136.522 205.107 3.3144 259.350 2.217 7.884 Yes 5.00 1.00 114.309 91.014 205.323 3.3171 259.726 2.223 7.906 Yes 7.00 1.00 160.032 91.014 251.047 3.9328 345.787 3.941 14.014 No Iterate on safety factor until Tapp = Tmat to determine Jinstability:

3nstability T1app Tmat 2.0878 2.0878 47.730 190.018 237.748 3.7410 319.384 3.362 11.956 11.956 at Jmat = 2.217 kips/in, Tmat = 23.690 ( Tapp - TM=t = 0.000 Applied J-Integral Criterion: Japp <JO.1 where, Jo.1 = Jmat at Aa = 0.1 in.

Safety Factors Kl*p Kl*I Kl*(a) ae Kl'(ae) Japp Jo. 1 OK?

Primary Secondary (ksi'Jin) (ksiqin) (ksi/in) (in.) (ksi'in) (kips/in) (kips/in) 1.50 1.00 34.293 91.014 125.307 2.5364 138.606 0.633 1.542 Yes 3

Enclosure APS Response to the Second RAI - Relief Request 51 These results demonstrate that both EPFM acceptance criteria are satisfied using primary/secondary safety factors of 3.0/1.5 for stable flaw extension and 1.5/1.0 for limited flaw extension. The applied tearing modulus of 7.884 is less than the material tearing modulus of 11.956 at instability and the applied J-integral of 0.633 kips/in is less than the material J-integral of 1.542 kips/in at a flaw extension of 0.1 inch.

4

Enclosure APS Response to the Second RAI - Relief Request 51 ATTACHMENT I Supplemental Data Table From PVB-OA

Page 1 of 3 Enclosure - Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt USE MACRO FILE WELDTAB SELECT FOR ITEM=LIVE COMPONENT=

IN RANGE 1 TO 82309 STEP 1 3467 ELEMENTS (OF 3467 DEFINED) SELECTED BY ESEL COMMAND.

SELECT ALL NODES HAVING ANY ELEMENT IN ELEMENT SET.

4311 NODES (OF 4311 DEFINED) SELECTED FROM 3467 SELECTED ELEMENTS BY NSLE COMMAND.

PRINT S NODAL SOLUTION PER NODE 1

          • ANSYS - ENGINEERING ANALYSIS SYSTEM RELEASE 8.0 ANSYS Mechanical U 00206332 VERSION=HPPA 8000-64 15:04:13 MAY 25, 2004 CP= 8.740 PV BMI(Od,CYC SS,3.001/0.75,0,A) - Operating
          • POST1 NODAL STRESS LISTING *****

LOAD STEP= 0 SUBSTEP= 0 TIME= 7004.0 LOAD CASE= 0 THE FOLLOWING X,Y,Z VALUES ARE IN ELEMENT COORDINATES NODE SX SY SZ SXY SYZ Sxz 1 1622.3 16457. -576.34 -2661.9 -238.10 -455.72 2 2937.2 13974. -3617.6 -2064.9 29.576 102.91 3 4870.3 13191. -4536.1 -1641.9 307.83 1482.9 4 4326.3 12733. -4470.5 -1695.4 620.52 3028.0 5 2343.2 12575. -3393.2 -2062.2 788.01 3881.2 6 19.788 12457. -2000.3 -2423.1 753.02 3831.2 7 -1732.5 10394. -882.02 -2297.1 528.11 2611.3 8 -2041.9 8657.6 -643.20 -2065.5 218.45 1187.0 9 -1682.8 7289.2 -1406.2 -1765.8 156.25 486.79 101 -2238.6 1701.4 -749.29 -872.18 -70.323 455.14 102 -2174.4 2469.2 -5364.4 -980.12 257.03 1217.8 103 -2189.7 3271.3 -6712.6 -1126.5 553.95 2730.0 104 -2007.1 3810.6 -6286.8 -1208.0 812.86 4017.5 105 -1419.5 5381.0 -4896.5 -1437.3 979.32 4871.5 106 -928.55 6454.8 -2394.5 -1614.6 1001.3 5001.9 107 -802.72 7100.8 -7.0911 -1774.2 836.27 4260.5 108 -1425.3 6576.0 1493.7 -1729.2 481.85 2338.7 109 -2212.8 5111.3 737.50 -1517.8 274.59 1192.4 201 -4914.7 -13785. -5035.8 1776.6 220.58 2005.0 202 -5680.6 -10954. -9118.7 1049.7 595.77 2935.5 203 -7073.4 -8129.1 -10415. 191.71 890.25 4440.3 204 -7314.8 -5627.0 -9249.9 -367.67 1033.7 5188.8 205 -6722.7 -3051.3 -6923.4 -774.53 1093.9 5497.6 206 -5268.3 505.97 -3630.8 -1216.4 1131.5 5649.5 207 -3646.9 4150.2 932.10 -1618.7 1069.6 5391.4 208 -2851.0 5567.1 5340.1 -1743.1 819.60 3849.3 209 -1557.6 4627.1 6616.0 -1331.5 475.70 2331.1 301 -5761.0 -22054. -11780. 3348.7 342.96 2342.6 302 -7077.4 -17233. -13289. 2089.4 683.74 3435.6 303 -8813.0 -13228. -13372. 904.45 1006.0 5075.3 304 -9556.8 -9557.4 -11162. -14.052 1110.2 5661.6 305 -9712.5 -5605.8 -8149.2 -875.73 1107.2 5672.1 Page 1

Page 2 of 3 Enclosure - Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt 81106 17597. 31911. -24553. -2965.8 -1812.5 -9015.9 81107 23449. 45464. -13303. -4617.4 -2292.8 -11540.

81108 29958. 53076. -2299.9 -4773.4 -3152.5 -15678.

81109 30827. 56779. 12280. -5603.7 -4035.9 -18996.

81111 36522. 30210. -3606.7 1887.1 -4273.2 -22326.

81112 46142. 32226. -10760. 3176.3 -2945.3 -16041.

81113 36744. 40837. -9770.5 -1012.0 1049.8 7241.6 81114 47566. 54405. 14083. -1258.1 4563.0 25429.

81115 40519. 46495. 11435. -1092.0 5019.1 28191.

81116 57940. 47765. 11012. 2122.4 3276.5 17304.

81117 74980. 49608. 10352. 5265.7 916.36 3895.8 81118 65345. 27615. 3149.2 7851.8 652.40 4334.6 81119 46865. 8913.1 -2561.6 7868.5 753.56 4338.7 81120 32189. 13180. -1331.8 3980.4 360.58 1736.4 81121 24770. 14811. -1208.2 2082.1 -5.9303 235.11 81122 21080. 15667. -1779.0 1126.3 -93.294 -533.11 81123 19886. 16590. -1621.9 712.69 -294.81 -724.76 81201 1976.4 14733. -35191. -2631.1 -448.46 -2535.1 81202 3051.3 12886. -36030. -2029.1 -833.62 -4144.3 81203 6829.9 15632. -32602. -1828.8 -1402.4 -7022.6 81204 10782. 20663. -28709. -2075.0 -1881.0 -9476.7 81205 15464. 27482. -23744. -2508.1 -2451.6 -12307.

81206 20808. 34950. -15472. -2922.5 -3076.8 -15442.

81207 27707. 45992. -3072.8 -3769.2 -3728.7 -18611.

81208 33106. 53371. 15477. -4125.4 -4658.6 -23649.

81209 29328. 24597. 5742.7 1569.4 -4522.3 -22857.

81211 35199. 15338. -20402. 4712.5 -2469.3 -13638.

81212 25455. 26224. -30739. -355.54 -1747.6 -8403.6 81213 31130. 47715. -8340.3 -3043.5 413.08 6116.3 81214 28101. 54232. 6116.3 -4223.6 3522.8 23326.

81215 39396. 60555. 23612. -3343.3 3900.9 25912.

81216 55443. 56919. 17404. 178.98 1821.8 8896.7 81217 70956. 52978. 12048. 3742.7 -431.96 -3695.4 81218 62481. 21398. 686.35 8608.1 919.08 5471.3 81219 43655. 10011. -1171.4 7072.9 1088.8 5700.8 81220 30621. 13299. -824.18 3636.7 299.10 2212.7 81221 23841. 14676. -1122.6 1910.9 16.751 126.56 81222 20627. 15602. -1600.4 1048.5 -154.23 -753.14 81223 19459. 16419. -1511.1 656.19 -358.69 -1037.8 81301 3097.4 18111. -22596. -3160.1 -573.25 -3483.3 81302 3277.3 13216. -26600. -2081.2 -1122.8 -5628.5 81303 6467.3 13047. -24528. -1350.7 -1871.7 -9346.1 81304 9125.1 16729. -20272. -1571.4 -2479.9 -12362.

81305 11412. 23669. -14063. -2581.4 -3054.9 -15262.

81306 14010. 34276. -5637.0 -4296.0 -3637.6 -18171.

81307 14426. 44034. 4313.7 -6162.7 -3830.7 -19311.

81308 9184.4 45219. 25352. -7949.8 -3611.6 -17296.

81309 -807.55 36848. 40600. -8692.7 -2285.7 -13327.

81310 15898. 3862.3 -41681. 2528.6 -1121.8 -8119.2 81311 -3379.0 20437. -38698. -5471.7 -2231.6 -9558.1 81312 9717.0 33295. -25931. -5241.9 -2148.7 -10211.

81313 16358. 45540. -16398. -5396.4 -258.70 465.66 81314 27193. 57645. -1491.2 -4754.6 2047.0 13077.

81315 36828. 67305. 14572. -4707.1 2564.5 15805.

81316 45750. 57204. 21263. -1662.7 1711.5 9578.1 81317 51903. 42032. 7931.2 1559.4 -163.49 787.05 81318 52143. 17339. -1803.5 7283.4 1615.0 6352.1 81319 38843. 10846. -249.45 5970.1 930.26 6867.7 81320 28174. 12894. -867.64 3206.4 258.26 2303.6 81321 23137. 14680. -1089.2 1774.2 -43.567 -9.6570 81322 20031. 15457. -1495.4 949.10 -220.11 -1009.9 81323 19080. 16255. -1420.8 597.15 -410.40 -1293.3 81401 1536.3 21795. -11924. -4275.3 -523.78 -3021.5 Page 65

Page 3 of 3 Enclosure - Attachment 1 Supplemental Data Table from PVB-OA PVB-OA results.txt 81402 2646.6 16689. -16115. -2976.8 -1037.1 -5251.1 81403 4692.7 14265. -15683. -2040.9 -1841.2 -9228.9 81404 5448.9 15530. -12149. -2115.5 -2396.1 -11870.

81405 6092.9 20927. -7454.8 -3080.2 -2748.7 -13532.

81406 5038.3 29263. -185.80 -4982.5 -2694.8 -13333.

81407 2951.9 30789. 4707.9 -5829.8 -2288.6 -11366.

81408 277.89 26202. 11358. -4917.9 -988.78 -3795.9 81409 3745.7 24197. 23859. -3251.7 742.21 289.82 81410 -809.56 4O983. -18919. -9248.4 -757.62 -4135.0 81411 -487.77 32201. -27479. -7008.9 -1969.8 -8857.3 81412 106.80 35261. -20992. -7363.6 -2917.5 -14274.

81413 8863.8 40853. -17100. -6056.1 -1265.3 -6505.2 81414 18692. 44478. -13204. -4397.7 345.13 1910.6 81415 24400. 48069. 1007.3 -4219.3 840.82 4946.6 81416 30806. 47764. 8412.1 -2964.2 1788.4 11345.

81417 35027. 36256. 1174.7 36.003 2000.5 10069.

81418 33095. 7102.7 -1109.9 5363.1 2181.7 8407.0 81419 27677. 9525.9 236.43 3685.3 1048.0 6782.1 81420 25283. 12989. -733.66 2564.5 342.60 2220.2 81421 21694. 14504. -1041.7 1488.6 -83.212 4.1405 81422 19514. 15370. -1414.5 857.16 -235.78 -1103.1 81423 18679. 16084. -1349.9 530.80 -421.57 -1339.7 81501 1495.8 20251. -4278.5 -3856.5 -261.71 -1480.1 81502 2598.5 14544. -7244.2 -2443.1 -596.05 -3001.1 81503 2906.1 10848. -7578.5 -1621.0 -1111.9 -5565.2 81504 1233.3 8617.7 -6051.7 -1527.1 -1473.6 -7304.7 81505 -828.36 8892.2 -3838.5 -2022.5 -1532.4 -7537.2 81506 -1889.3 10120. -1850.9 -2525.8 -1263.8 -6235.8 81507 -3142.6 9234.2 -326.69 -2512.8 -704.61 -3336.7 81508 -1226.0 10745. 5920.7 -2571.5 -251.73 -1769.7 81509 -1648.0 13556. 18201. -3489.2 -287.89 -1633.8 81510 2523.1 47062. -5506.0 -9135.0 -572.34 -717.01 81511 5523.8 45566. -10957. -8174.7 -420.36 -2730.7 81512 4385.0 41336. -17369. -7516.4 -1363.3 -6743.2 81513 1931.2 36969. -16653. -6481.5 -790.56 -4088.1 81514 1048.0 34623. -15828. -5801.1 52.510 484.45 81515 495.97 36003. -8934.7 -6182.9 351.71 1807.4 81516 -3218.0 30039. -2179.2 -5877.2 1285.8 6918.0 81517 4556.1 8683.4 -8528.2 -503.24 1975.1 9155.3 81518 16909. 4625.6 -1217.0 2540.7 1573.2 7625.6 81519 21261. 10505. 1569.0 2203.7 1023.0 5084.5 81520 21547. 12961. -87.285 1769.5 330.61 2100.6 81521 20291. 14494. -749.72 1202.9 -34.498 60.156 81522 18834. 15253. -1269.5 739.94 -217.49 -998.07 81523 18245. 15909. -1253.5 478.75 -404.45 -1268.0 81601 -207.03 9746.4 -231.85 -2049.3 -49.744 -414.86 81602 169.54 6025.5 -2035.8 -1203.6 -163.98 -820.78 81603 532.03 4425.1 -2765.1 -815.45 -338.35 -1669.2 81604 158.82 3383.4 -2775.3 -666.08 -451.37 -2217.5 81605 -500.20 2515.6 -2783.9 -595.99 -522.35 -2538.5 81606 -938.02 1706.0 -3237.0 -403.49 -479.60 -2329.1 81607 -154.10 2089.8 -1785.8 -347.05 -516.25 -2671.8 81608 115.01 3464.0 4786.1 -560.86 -532.20 -2468.4 81609 918.94 6847.5 11093. -1064.1 -270.50 -1897.9 81610 1143.7 38556. -5184.9 -7605.0 39.925 766.78 81611 2110.5 35320. -6671.5 -6600.4 184.41 846.96 81612 3064.6 22772. -11516. -3907.3 294.21 1364.5 81613 -788.17 10194. -14563. -1977.7 676.48 3845.8 81614 -5556.8 3964.6 -13882. -1606.1 889.15 5251.8 81615 -8608.7 899.45 -13031. -1663.5 836.00 4877.7 81616 -8186.1 -820.72 -11371. -1360.0 1199.1 6756.7 81617 -1179.0 414.66 -10853. -429.88 842.69 3736.4 81618 9429.9 7541.2 144.02 239.80 756.33 3055.7 Page 66

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