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| number = ML14205A033
| number = ML14205A033
| issue date = 04/24/2014
| issue date = 04/24/2014
| title = Diablo Canyon, Units 1 & 2 - Submittal of Tricon Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement
| title = Submittal of Tricon Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement
| author name = Allen B S
| author name = Allen B S
| author affiliation = Pacific Gas & Electric Co
| author affiliation = Pacific Gas & Electric Co
Line 14: Line 14:
| document type = Letter
| document type = Letter
| page count = 5
| page count = 5
| project =
| stage = Request
}}
}}


=Text=
=Text=
{{#Wiki_filter:The CD in Attachment I of the Enclosure Contains Proprietary InformationPacific Gas and Withhold from public disclosure under 10 CFR 2.390Electric Company'Barry S. Allen Diablo Canyon Power PlantSite Vice President Mail Code 104/6P. 0. Box 56Avila Beach, CA 93424April 24, 2014 805.545.4888Internal: 891.4888Fax: 805.545.6445PG&E Letter DCL-14-03410 CFR 50.90U.S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, DC 20555-0001Docket No. 50-275, OL-DPR-80Docket No. 50-323, OL-DPR-82Diablo Canyon Units 1 and 2Submittal of Tricon Revised Phase 1 and Phase 2 Documents for the LicenseAmendment Request for Digital Process Protection System Replacement
{{#Wiki_filter:The CD in Attachment I of the Enclosure Contains Proprietary Information Pacific Gas and Withhold from public disclosure under 10 CFR 2.390 Electric Company'Barry S. Allen Diablo Canyon Power Plant Site Vice President Mail Code 104/6 P. 0. Box 56 Avila Beach, CA 93424 April 24, 2014 805.545.4888 Internal:
891.4888 Fax: 805.545.6445 PG&E Letter DCL-14-034 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 Submittal of Tricon Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement


==References:==
==References:==
: 1. PG&E Letter DCL-11-104, "License Amendment Request 11-07,Process Protection System Replacement," dated October 26, 2011(ADAMS Accession No. ML1 1307A331).2. PG&E Letter DCL-13-043, "Supplement to License AmendmentRequest 11-07, "Process Protection System Replacement,"' datedApril 30, 2013 (ADAMS Accession No. ML13121A08).3. Digital Instrumentation and Controls Digital I&C-ISG-06, "TaskWorking Group #6: Licensing Process, Interim Staff Guidance,"Revision 1, January 19, 2011 (ADAMS Accession No.ML1 10140103).4. NRC Letter "Summary of December 19, 2012, TeleconferenceMeeting with Pacific Gas and Electric Company on DigitalReplacement of the Process Protection System Portion of the ReactorTrip System and Engineered Safety Features Actuation System atDiablo Canyon Power Plant, Unit Nos. 1 and 2 (TAC NOS. ME7522and ME7523)," dated January 10, 2013 (ADAMS AccessionNo. ML12361A360).5. PG&E Letter DCL-12-120, "Submittal of Revised Phase 1 andPhase 2 Documents for the License Amendment Request for DigitalProcess Protection System Replacement," dated November 27, 2012(ADAMS Accession No. ML 1 3004A468).
: 1. PG&E Letter DCL-11-104, "License Amendment Request 11-07, Process Protection System Replacement," dated October 26, 2011 (ADAMS Accession No. ML1 1307A331).
 
: 2. PG&E Letter DCL-13-043, "Supplement to License Amendment Request 11-07, "Process Protection System Replacement,"'
==Dear Commissioners and Staff:==
dated April 30, 2013 (ADAMS Accession No. ML13121A08).
4o0)In Reference 1, as supplemented in Reference 2, Pacific Gas and Electric Company(PG&E) submitted License Amendment Request (LAR) 11-07 to request NRC staffThe CD in Attachment I of the Enclosure Contains Proprietary InformationWhen separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled ,., ,A member of the STARS (Strategic Teaming and Resource Sharing) Alliance/1 -.. ... --- --- .I.- --- .Wnif rrppk The CD in Attachment 1 of the Enclosure Contains Proprietary InformationWithhold from public disclosure under 10 CFR 2.390Document Control Desk PG&E Letter DCL-14-034April 24, 2014Page 2(Staff) approval to replace the Diablo Canyon Power Plant (DCPP) Eagle 21 digitalprocess protection system (PPS) with a new digital PPS that is based on the InvensysTricon Programmable Logic Controller, Version 10, and the Westinghouse ElectricCompany Advanced Logic System. The LAR format and contents in References 1 and2 are consistent with the guidance provided in Enclosure E and Section C.3,respectively, of Digital Instrumentation and Controls (I&C) Revision 1 of Interim StaffGuidance Digital I&C-ISG-06, "Task Working Group #6: Licensing Process," (ISG-06)(Reference 3). In Reference 4, the Staff documented its acceptance of Reference 1for review.This letter submits the Invensys ISG-06 Phase 1 Software Requirements Specification(SRS) document for Protection Sets 1, 2, 3, and 4, Invensys document, "993754-11-809, Process Protection System Replacement Diablo Canyon Power Plant SoftwareRequirement Specification (SRS)," Revision 4, that is based on the Diablo CanyonProcess Protection System Functional Requirements Specification, Revision 9, and theDiablo Canyon Process Protection System Interface Requirements Specification,Revision 9. This version of the SRS supersedes the previous version, "993754-11-809, Process Protection System Replacement Diablo Canyon Power Plant SoftwareRequirements Specification (SRS) Protection Set I," "993754-12-809, ProcessProtection System Replacement Diablo Canyon Power Plant Software RequirementsSpecification (SRS) Protection Set I1," "993754-13-809, Process Protection SystemReplacement Diablo Canyon Power Plant Software Requirements Specification (SRS)Protection Set IIl," and "993754-14-809, Process Protection System ReplacementDiablo Canyon Power Plant Software Requirements Specification (SRS) Protection SetIV," which was submitted in Attachment 10 to the Enclosure of Reference 5.This letter submits the following Invensys ISG-06 Phase 2 documents; Failure Modesand Effects Analysis, "993754-1-811, Process Protection System Replacement DiabloCanyon Power Plant Failure Modes and Effects Analysis," Revision 1, ReliabilityAnalysis, "993754-1-819, Process Protection System Replacement Diablo CanyonPower Plant Reliability Analysis," Revision 0, Validation Test Specification, "993754-1-812, Process Protection System Replacement Diablo Canyon Power Plant ValidationTest Specification (VTS)," and Software Verification Test Plan, "993754-1-868 ProcessProtection System Replacement Diablo Canyon Power Plant Software Verification TestPlan (SVTP)."The proprietary versions of the Invensy documents are listed in the table inAttachment 1 to the Enclosure and are contained on one compact disc (CD), labeled"Tricon Revised Phase 1 and Phase 2 Documents -Proprietary.". The contents are inAdobe Acrobat portable document format.The non-proprietary versions of the Invensys documents are listed in the table inAttachment 2 to the Enclosure and are contained on one CD, labeled "Tricon RevisedThe CD in Attachment 1 of the Enclosure Contains Proprietary InformationWhen separated from the CD in Attachment 1 to the Enclosure, this document is decontrolledA member of the STARS (Strategic Teaming and Resource Sharing) Attiance.t-nm nh ... Hý P L , n* i hln Crnvnn e niith Pripect o Wolf Creek The CD in Attachment 1 of the Enclosure Contains Proprietary InformationWithhold from public disclosure under 10 CFR 2.390Document Control Desk PG&E Letter DCL-14-034April 24, 2014Page 3Phase 1 and Phase 2 Documents -Non-proprietary." The contents are in AdobeAcrobat portable document format.The documents listed in Table 1 in Attachment 1 to the Enclosure and contained onthe CD in Attachment 1 to the Enclosure contain information proprietary to Invensys.Accordingly, Attachments 2 to the Enclosure includes Invensys Affidavits No. 993754-AFF-1 04T and No. 993754-AFF-1 16T. The affidavits are signed by Invensys, theowner of the information and set forth the basis on which the Invensys proprietaryinformation contained in Attachment 1 to the Enclosure may be withheld from publicdisclosure by the Staff, and address with specificity the considerations listed inparagraph (b)(4) of 10 CFR 2.390 of the Staff's regulations. The SRS documentcontains predominately proprietary information, and therefore a non-proprietary versionof this document is not being submitted. PG&E requests that the Invensys proprietaryinformation be withheld from public disclosure in accordance with 10 CFR 2.390.Correspondence with respect to the Invensys affidavits or the Invensys proprietaryinformation provided in Attachment 1 of the Enclosure should reference InvensysAffidavit No. 993754-AFF-104T or No. 993754-AFF-1 16T and be addressed to DanHead, Project Manager, Invensys, 26561 Rancho Parkway South, Lake Forest, CA92630.A copy of the proprietary and non-proprietary CDs are being provided to the RegionalAdministrator, Region IV, the DCPP NRR Project Manager, and the DCPP NRC SeniorResident Inspector.If you have any questions, or require additional information, please contactTom Baldwin at (805) 545-4720.This communication does not contain regulatory commitments (as defined byNEI 99 04).I state under penalty of perjury that the foregoing is true and correct.Executed on April 24, 2014.Sincerely,Barry S. AllenSite Vice PresidentThe CD in Attachment 1 of the Enclosure Contains Proprietary InformationWhen separated from the CD in Attachment 1 to the Enclosure, this document is decontrolledA member of the STARS (Strategic Teaming and Resource Sharing) Altiance--. --I. -------- -%Atm...,.....*
: 3. Digital Instrumentation and Controls Digital I&C-ISG-06, "Task Working Group #6: Licensing Process, Interim Staff Guidance," Revision 1, January 19, 2011 (ADAMS Accession No.ML1 10140103).
The CD in Attachment 1 of the Enclosure Contains Proprietary InformationWithhold from public disclosure under 10 CFR 2.390Document Control Desk PG&E Letter DCL-14-034April 24, 2014Page 4kjse/4328 SAPN 50271918Enclosurecc: Diablo Distributioncc/enc: Peter Bamford, NRR Project ManagerMarc L. Dapas, NRC Region IVThomas R. Hipschman, NRC Senior Resident InspectorGonzalo L. Perez, Branch Chief, California Department of Public HealthThe CD in Attachment I of the Enclosure Contains Proprietary InformationWhen separated from the CD in Attachment 1 to the Enclosure, this document is decontrolledA member of the STARS (Strategic Teaming and Resource Sharing) AllianceS...........-- C- --_ .. 7--,.÷ " D-i .w, If ro The CD in Attachment 1 of the Enclosure Contains Proprietary InformationWithhold from public disclosure under 10 CFR 2.390EnclosureAttachment 2PG&E Letter DCL-14-034Table 2Enclosure Listing -Compact Disk Content"Tricon Revised Phase I and Phase 2 Documents -Non-proprietary"Enclosure Description Proprietary* Filename [size MB]Affidavit, 993754-AFF-104T No 993754-104T [0.4]Affidavit, 993754-AFF-1 16T No Affidavit 993754-116T [0.4]Failure Modes and Effects No FMEA 993754-1-811-NP [3.0]Analysis (FMEA), 993754-1-811(-NP), Revision 1Reliability Analysis (RA), 993754- No RA 993754-1-819-NP [1.30]1-819 (-NP), Revision 0Validation Test Specification No VTS 993754-1-812-NP [4.1](VTS), 993754-1-812 (-NP),Revision 1Software Verification Test Plan No SVTP 993754-1-868-NP [2.9](SVTP), 993754-1-868 (-NP),Revision 1*Denotes document proprietary to InvensysThe CD in Attachment 1 of the Enclosure Contains Proprietary InformationWhen separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled}}
: 4. NRC Letter "Summary of December 19, 2012, Teleconference Meeting with Pacific Gas and Electric Company on Digital Replacement of the Process Protection System Portion of the Reactor Trip System and Engineered Safety Features Actuation System at Diablo Canyon Power Plant, Unit Nos. 1 and 2 (TAC NOS. ME7522 and ME7523)," dated January 10, 2013 (ADAMS Accession No. ML12361A360).
: 5. PG&E Letter DCL-12-120, "Submittal of Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement," dated November 27, 2012 (ADAMS Accession No. ML 1 3004A468).
Dear Commissioners and Staff: 4o0)In Reference 1, as supplemented in Reference 2, Pacific Gas and Electric Company (PG&E) submitted License Amendment Request (LAR) 11-07 to request NRC staff The CD in Attachment I of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled  
,., , A member of the STARS (Strategic Teaming and Resource Sharing) Alliance/1 -.. ... --- --- .I.- --- .Wnif rrppk The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Document Control Desk PG&E Letter DCL-14-034 April 24, 2014 Page 2 (Staff) approval to replace the Diablo Canyon Power Plant (DCPP) Eagle 21 digital process protection system (PPS) with a new digital PPS that is based on the Invensys Tricon Programmable Logic Controller, Version 10, and the Westinghouse Electric Company Advanced Logic System. The LAR format and contents in References 1 and 2 are consistent with the guidance provided in Enclosure E and Section C.3, respectively, of Digital Instrumentation and Controls (I&C) Revision 1 of Interim Staff Guidance Digital I&C-ISG-06, "Task Working Group #6: Licensing Process," (ISG-06)(Reference 3). In Reference 4, the Staff documented its acceptance of Reference 1 for review.This letter submits the Invensys ISG-06 Phase 1 Software Requirements Specification (SRS) document for Protection Sets 1, 2, 3, and 4, Invensys document, "993754 809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirement Specification (SRS)," Revision 4, that is based on the Diablo Canyon Process Protection System Functional Requirements Specification, Revision 9, and the Diablo Canyon Process Protection System Interface Requirements Specification, Revision 9. This version of the SRS supersedes the previous version, "993754 809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS) Protection Set I," "993754-12-809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS) Protection Set I1," "993754-13-809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS)Protection Set IIl," and "993754-14-809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS) Protection Set IV," which was submitted in Attachment 10 to the Enclosure of Reference 5.This letter submits the following Invensys ISG-06 Phase 2 documents; Failure Modes and Effects Analysis, "993754-1-811, Process Protection System Replacement Diablo Canyon Power Plant Failure Modes and Effects Analysis," Revision 1, Reliability Analysis, "993754-1-819, Process Protection System Replacement Diablo Canyon Power Plant Reliability Analysis," Revision 0, Validation Test Specification, "993754 812, Process Protection System Replacement Diablo Canyon Power Plant Validation Test Specification (VTS)," and Software Verification Test Plan, "993754-1-868 Process Protection System Replacement Diablo Canyon Power Plant Software Verification Test Plan (SVTP)." The proprietary versions of the Invensy documents are listed in the table in Attachment 1 to the Enclosure and are contained on one compact disc (CD), labeled"Tricon Revised Phase 1 and Phase 2 Documents  
-Proprietary.".
The contents are in Adobe Acrobat portable document format.The non-proprietary versions of the Invensys documents are listed in the table in Attachment 2 to the Enclosure and are contained on one CD, labeled "Tricon Revised The CD in Attachment 1 of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled A member of the STARS (Strategic Teaming and Resource Sharing) Attiance.t-nm nh ... Hý P L , n* i hln Crnvnn e niith Pripect o Wolf Creek The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Document Control Desk PG&E Letter DCL-14-034 April 24, 2014 Page 3 Phase 1 and Phase 2 Documents  
-Non-proprietary." The contents are in Adobe Acrobat portable document format.The documents listed in Table 1 in Attachment 1 to the Enclosure and contained on the CD in Attachment 1 to the Enclosure contain information proprietary to Invensys.Accordingly, Attachments 2 to the Enclosure includes Invensys Affidavits No. 993754-AFF-1 04T and No. 993754-AFF-1 16T. The affidavits are signed by Invensys, the owner of the information and set forth the basis on which the Invensys proprietary information contained in Attachment 1 to the Enclosure may be withheld from public disclosure by the Staff, and address with specificity the considerations listed in paragraph (b)(4) of 10 CFR 2.390 of the Staff's regulations.
The SRS document contains predominately proprietary information, and therefore a non-proprietary version of this document is not being submitted.
PG&E requests that the Invensys proprietary information be withheld from public disclosure in accordance with 10 CFR 2.390.Correspondence with respect to the Invensys affidavits or the Invensys proprietary information provided in Attachment 1 of the Enclosure should reference Invensys Affidavit No. 993754-AFF-104T or No. 993754-AFF-1 16T and be addressed to Dan Head, Project Manager, Invensys, 26561 Rancho Parkway South, Lake Forest, CA 92630.A copy of the proprietary and non-proprietary CDs are being provided to the Regional Administrator, Region IV, the DCPP NRR Project Manager, and the DCPP NRC Senior Resident Inspector.
If you have any questions, or require additional information, please contact Tom Baldwin at (805) 545-4720.This communication does not contain regulatory commitments (as defined by NEI 99 04).I state under penalty of perjury that the foregoing is true and correct.Executed on April 24, 2014.Sincerely, Barry S. Allen Site Vice President The CD in Attachment 1 of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled A member of the STARS (Strategic Teaming and Resource Sharing) Altiance--. --I. -------- -%Atm...,.....*
The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Document Control Desk PG&E Letter DCL-14-034 April 24, 2014 Page 4 kjse/4328 SAPN 50271918 Enclosure cc: Diablo Distribution cc/enc: Peter Bamford, NRR Project Manager Marc L. Dapas, NRC Region IV Thomas R. Hipschman, NRC Senior Resident Inspector Gonzalo L. Perez, Branch Chief, California Department of Public Health The CD in Attachment I of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled A member of the STARS (Strategic Teaming and Resource Sharing) Alliance S...........--
C- --_ .. 7--,.÷ " D-i .w, If ro The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Enclosure Attachment 2 PG&E Letter DCL-14-034 Table 2 Enclosure Listing -Compact Disk Content"Tricon Revised Phase I and Phase 2 Documents  
-Non-proprietary" Enclosure Description Proprietary*
Filename [size MB]Affidavit, 993754-AFF-104T No 993754-104T  
[0.4]Affidavit, 993754-AFF-1 16T No Affidavit 993754-116T  
[0.4]Failure Modes and Effects No FMEA 993754-1-811-NP  
[3.0]Analysis (FMEA), 993754-1-811
(-NP), Revision 1 Reliability Analysis (RA), 993754- No RA 993754-1-819-NP  
[1.30]1-819 (-NP), Revision 0 Validation Test Specification No VTS 993754-1-812-NP  
[4.1](VTS), 993754-1-812  
(-NP), Revision 1 Software Verification Test Plan No SVTP 993754-1-868-NP  
[2.9](SVTP), 993754-1-868  
(-NP), Revision 1*Denotes document proprietary to Invensys The CD in Attachment 1 of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled}}

Latest revision as of 11:41, 17 March 2019

Submittal of Tricon Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement
ML14205A033
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 04/24/2014
From: Allen B S
Pacific Gas & Electric Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML14205A031 List:
References
DCL-14-034
Download: ML14205A033 (5)


Text

The CD in Attachment I of the Enclosure Contains Proprietary Information Pacific Gas and Withhold from public disclosure under 10 CFR 2.390 Electric Company'Barry S. Allen Diablo Canyon Power Plant Site Vice President Mail Code 104/6 P. 0. Box 56 Avila Beach, CA 93424 April 24, 2014 805.545.4888 Internal:

891.4888 Fax: 805.545.6445 PG&E Letter DCL-14-034 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 Submittal of Tricon Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement

References:

1. PG&E Letter DCL-11-104, "License Amendment Request 11-07, Process Protection System Replacement," dated October 26, 2011 (ADAMS Accession No. ML1 1307A331).
2. PG&E Letter DCL-13-043, "Supplement to License Amendment Request 11-07, "Process Protection System Replacement,"'

dated April 30, 2013 (ADAMS Accession No. ML13121A08).

3. Digital Instrumentation and Controls Digital I&C-ISG-06, "Task Working Group #6: Licensing Process, Interim Staff Guidance," Revision 1, January 19, 2011 (ADAMS Accession No.ML1 10140103).
4. NRC Letter "Summary of December 19, 2012, Teleconference Meeting with Pacific Gas and Electric Company on Digital Replacement of the Process Protection System Portion of the Reactor Trip System and Engineered Safety Features Actuation System at Diablo Canyon Power Plant, Unit Nos. 1 and 2 (TAC NOS. ME7522 and ME7523)," dated January 10, 2013 (ADAMS Accession No. ML12361A360).
5. PG&E Letter DCL-12-120, "Submittal of Revised Phase 1 and Phase 2 Documents for the License Amendment Request for Digital Process Protection System Replacement," dated November 27, 2012 (ADAMS Accession No. ML 1 3004A468).

Dear Commissioners and Staff: 4o0)In Reference 1, as supplemented in Reference 2, Pacific Gas and Electric Company (PG&E) submitted License Amendment Request (LAR) 11-07 to request NRC staff The CD in Attachment I of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled

,., , A member of the STARS (Strategic Teaming and Resource Sharing) Alliance/1 -.. ... --- --- .I.- --- .Wnif rrppk The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Document Control Desk PG&E Letter DCL-14-034 April 24, 2014 Page 2 (Staff) approval to replace the Diablo Canyon Power Plant (DCPP) Eagle 21 digital process protection system (PPS) with a new digital PPS that is based on the Invensys Tricon Programmable Logic Controller, Version 10, and the Westinghouse Electric Company Advanced Logic System. The LAR format and contents in References 1 and 2 are consistent with the guidance provided in Enclosure E and Section C.3, respectively, of Digital Instrumentation and Controls (I&C) Revision 1 of Interim Staff Guidance Digital I&C-ISG-06, "Task Working Group #6: Licensing Process," (ISG-06)(Reference 3). In Reference 4, the Staff documented its acceptance of Reference 1 for review.This letter submits the Invensys ISG-06 Phase 1 Software Requirements Specification (SRS) document for Protection Sets 1, 2, 3, and 4, Invensys document, "993754 809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirement Specification (SRS)," Revision 4, that is based on the Diablo Canyon Process Protection System Functional Requirements Specification, Revision 9, and the Diablo Canyon Process Protection System Interface Requirements Specification, Revision 9. This version of the SRS supersedes the previous version, "993754 809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS) Protection Set I," "993754-12-809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS) Protection Set I1," "993754-13-809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS)Protection Set IIl," and "993754-14-809, Process Protection System Replacement Diablo Canyon Power Plant Software Requirements Specification (SRS) Protection Set IV," which was submitted in Attachment 10 to the Enclosure of Reference 5.This letter submits the following Invensys ISG-06 Phase 2 documents; Failure Modes and Effects Analysis, "993754-1-811, Process Protection System Replacement Diablo Canyon Power Plant Failure Modes and Effects Analysis," Revision 1, Reliability Analysis, "993754-1-819, Process Protection System Replacement Diablo Canyon Power Plant Reliability Analysis," Revision 0, Validation Test Specification, "993754 812, Process Protection System Replacement Diablo Canyon Power Plant Validation Test Specification (VTS)," and Software Verification Test Plan, "993754-1-868 Process Protection System Replacement Diablo Canyon Power Plant Software Verification Test Plan (SVTP)." The proprietary versions of the Invensy documents are listed in the table in Attachment 1 to the Enclosure and are contained on one compact disc (CD), labeled"Tricon Revised Phase 1 and Phase 2 Documents

-Proprietary.".

The contents are in Adobe Acrobat portable document format.The non-proprietary versions of the Invensys documents are listed in the table in Attachment 2 to the Enclosure and are contained on one CD, labeled "Tricon Revised The CD in Attachment 1 of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled A member of the STARS (Strategic Teaming and Resource Sharing) Attiance.t-nm nh ... Hý P L , n* i hln Crnvnn e niith Pripect o Wolf Creek The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Document Control Desk PG&E Letter DCL-14-034 April 24, 2014 Page 3 Phase 1 and Phase 2 Documents

-Non-proprietary." The contents are in Adobe Acrobat portable document format.The documents listed in Table 1 in Attachment 1 to the Enclosure and contained on the CD in Attachment 1 to the Enclosure contain information proprietary to Invensys.Accordingly, Attachments 2 to the Enclosure includes Invensys Affidavits No. 993754-AFF-1 04T and No. 993754-AFF-1 16T. The affidavits are signed by Invensys, the owner of the information and set forth the basis on which the Invensys proprietary information contained in Attachment 1 to the Enclosure may be withheld from public disclosure by the Staff, and address with specificity the considerations listed in paragraph (b)(4) of 10 CFR 2.390 of the Staff's regulations.

The SRS document contains predominately proprietary information, and therefore a non-proprietary version of this document is not being submitted.

PG&E requests that the Invensys proprietary information be withheld from public disclosure in accordance with 10 CFR 2.390.Correspondence with respect to the Invensys affidavits or the Invensys proprietary information provided in Attachment 1 of the Enclosure should reference Invensys Affidavit No. 993754-AFF-104T or No. 993754-AFF-1 16T and be addressed to Dan Head, Project Manager, Invensys, 26561 Rancho Parkway South, Lake Forest, CA 92630.A copy of the proprietary and non-proprietary CDs are being provided to the Regional Administrator, Region IV, the DCPP NRR Project Manager, and the DCPP NRC Senior Resident Inspector.

If you have any questions, or require additional information, please contact Tom Baldwin at (805) 545-4720.This communication does not contain regulatory commitments (as defined by NEI 99 04).I state under penalty of perjury that the foregoing is true and correct.Executed on April 24, 2014.Sincerely, Barry S. Allen Site Vice President The CD in Attachment 1 of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled A member of the STARS (Strategic Teaming and Resource Sharing) Altiance--. --I. -------- -%Atm...,.....*

The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Document Control Desk PG&E Letter DCL-14-034 April 24, 2014 Page 4 kjse/4328 SAPN 50271918 Enclosure cc: Diablo Distribution cc/enc: Peter Bamford, NRR Project Manager Marc L. Dapas, NRC Region IV Thomas R. Hipschman, NRC Senior Resident Inspector Gonzalo L. Perez, Branch Chief, California Department of Public Health The CD in Attachment I of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled A member of the STARS (Strategic Teaming and Resource Sharing) Alliance S...........--

C- --_ .. 7--,.÷ " D-i .w, If ro The CD in Attachment 1 of the Enclosure Contains Proprietary Information Withhold from public disclosure under 10 CFR 2.390 Enclosure Attachment 2 PG&E Letter DCL-14-034 Table 2 Enclosure Listing -Compact Disk Content"Tricon Revised Phase I and Phase 2 Documents

-Non-proprietary" Enclosure Description Proprietary*

Filename [size MB]Affidavit, 993754-AFF-104T No 993754-104T

[0.4]Affidavit, 993754-AFF-1 16T No Affidavit 993754-116T

[0.4]Failure Modes and Effects No FMEA 993754-1-811-NP

[3.0]Analysis (FMEA), 993754-1-811

(-NP), Revision 1 Reliability Analysis (RA), 993754- No RA 993754-1-819-NP

[1.30]1-819 (-NP), Revision 0 Validation Test Specification No VTS 993754-1-812-NP

[4.1](VTS), 993754-1-812

(-NP), Revision 1 Software Verification Test Plan No SVTP 993754-1-868-NP

[2.9](SVTP), 993754-1-868

(-NP), Revision 1*Denotes document proprietary to Invensys The CD in Attachment 1 of the Enclosure Contains Proprietary Information When separated from the CD in Attachment 1 to the Enclosure, this document is decontrolled