Text

Enclosure F: Updated Inputs to 52 EFPY P-T Operating Curves
	ML22202A436
Person / Time
Site:	Davis Besse
Issue date:	04/08/2022
From:	; Energy Harbor Nuclear Corp, Framatome
To:	; Office of Nuclear Reactor Regulation
Shared Package
ML22202A429	List: L-22-141, Enclosure D: Affidavit of Elliott Gayle; ML22202A430; ML22202A433; ML22202A436; ML22202A437;
References
	L-22-141 32-9344638-000
	Download: ML22202A436 (33)
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Enclosure F L-22-141 Areva document 32-9344638-000 Updated inputs to 52 EFPY P-T Operating Curves.

(32 Pages Follow)

Page 1 of 32 0402-01-F01 (Rev. 021, 03/12/2018)

PROPRIETARY CALCULATION

SUMMARY

SHEET (CSS)

Document No.

32 9344638 000 Safety Related: Yes No Title Updated Inputs to 52 EFPY P-T Operating Curves PURPOSE AND

SUMMARY

OF RESULTS:

The purpose of this calculation is to provide a Non-Proprietary version of Reference [1].

The purpose of Reference [1] is to generate inputs to the procedural NDT/LTOP limits using the location corrected NDT/LTOP PT curves from Reference [2] and the uncertainties in pressure and temperature measurement from Reference [3].

The results of Reference [1] are presented in Section 4.

FRAMATOME INC. PROPRIETARY This document and any information contained herein is the property of Framatome Inc. (Framatome) and is to be considered proprietary and may not be reproduced or copied in whole or in part. This document shall not be furnished to others without the express written consent of Framatome and is not to be used in any way which is or may be detrimental to Framatome. This document and any copies that may have been made must be returned to Framatome upon request.

If the computer software used herein is not the latest version per the EASI list, AP 0402-01 requires that justification be provided.

THE DOCUMENT CONTAINS ASSUMPTIONS THAT SHALL BE VERIFIED PRIOR TO USE THE FOLLOWING COMPUTER CODES HAVE BEEN USED IN THIS DOCUMENT:

CODE/VERSION/REV CODE/VERSION/REV Yes No

Document No. 32-9344638-000 0402-01-F01 (Rev. 021, 03/12/2018)

PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 2 Review Method: Design Review (Detailed Check)

Alternate Calculation Does this document establish design or technical requirements? YES NO Does this document contain Customer Required Format? YES NO Signature Block Name and Title (printed or typed)

Signature P/R/A/M and LP/LR Date Pages/Sections Prepared/Reviewed/Approved Trevor Connell, Engineering Supervisor LP ALL Pascal Brocheny, Advisory Engineer LR ALL Darren Wood, Engineering Manager A

ALL Notes:

P/R/A designates Preparer (P), Reviewer (R), Approver (A);

LP/LR designates Lead Preparer (LP), Lead Reviewer (LR);

M designates Mentor (M)

In preparing, reviewing and approving revisions, the lead preparer/reviewer/approver shall use All or All except

___ in the pages/sections reviewed/approved. All or All except ___ means that the changes and the effect of the changes on the entire document have been prepared/reviewed/approved. It does not mean that the lead preparer/reviewer/approver has prepared/reviewed/approved all the pages of the document.

With Approver permission, calculations may be revised without using the latest CSS form. This deviation is permitted when expediency and/or cost are a factor. Approver shall add a comment in the right-most column that acknowledges and justifies this deviation.

Project Manager Approval of Customer References and/or Customer Formatting (N/A if not applicable)

Name (printed or typed)

Title (printed or typed)

Signature Date Comments Beverly Watson Project Manager TD CONNELL 4/7/2022 PO BROCHENY 4/7/2022 BJ WATSON 4/8/2022 DH WOOD 4/8/2022

Document No. 32-9344638-000 0402-01-F01 (Rev. 021, 03/12/2018)

PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 3 Record of Revision Revision No.

Pages/Sections/Paragraphs Changed Brief Description / Change Authorization 000 ALL Non-Proprietary version of 32-9271138-001.

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 4 Table of Contents Page SIGNATURE BLOCK................................................................................................................................ 2 RECORD OF REVISION.......................................................................................................................... 3 LIST OF TABLES..................................................................................................................................... 5 LIST OF FIGURES................................................................................................................................... 6 1.0 PURPOSE..................................................................................................................................... 7 2.0 ANALYTICAL METHODOLOGY................................................................................................... 7 3.0 ASSUMPTIONS............................................................................................................................ 8 3.1 Unverified Assumptions..................................................................................................... 8 3.2 Justified Assumptions........................................................................................................ 8 4.0 CALCULATIONS........................................................................................................................... 9 4.1 NDT Limit Curves............................................................................................................... 9 4.2 LTOP Limit Curves...........................................................................................................22 4.3 Surge Line Limit...............................................................................................................23

5.0 REFERENCES

............................................................................................................................32

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 5 List of Tables Page Table 2-1: Summary of Inputs.................................................................................................................. 7 Table 2-2: Nomenclature......................................................................................................................... 8 Table 4-1: Normal Heatup (PI-RC2A4 or PI-RC2B4).............................................................................10 Table 4-2: ISLH Heatup (PI-RC2A4 or PI-RC2B4)................................................................................13 Table 4-3: Normal Cooldown (PI-RC2A4 or PI-RC2B4)........................................................................16 Table 4-4: ISLH Cooldown (PI-RC2A4 or PI-RC2B4)............................................................................19 Table 4-5: 10 EFPY and 52 EFPY P-T Limit Comparison.....................................................................23 Table 4-6: Surge Line Limits..................................................................................................................23

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 6 List of Figures Page Figure 4-1: Normal Heatup NDT Limits, [

] (PI-RC2A4 or PI-RC2B4).......................................24 Figure 4-2: Normal Heatup NDT Limits, [

] (PI-RC2A4 or PI-RC2B4).......................................25 Figure 4-3: ISLH Heatup NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)...........................................26 Figure 4-4: ISLH Heatup NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)..........................................27 Figure 4-5: Normal Cooldown NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)................................................................................................................................. 28 Figure 4-6: Normal Cooldown NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)................................................................................................................................. 29 Figure 4-7: ISLH Cooldown NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)................................................................................................................................. 30 Figure 4-8: ISLH Cooldown NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)................................................................................................................................. 31

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 7 1.0 PURPOSE The purpose of this calculation is to provide a Non-Proprietary version of Reference [1]. The content is identical to Reference [1], which includes the original revision levels of the calculation references at the time the document was approved.

The purpose of Reference [1] is to generate inputs to the procedural NDT/LTOP limits using the location corrected NDT/LTOP PT curves from Reference [2] and the uncertainties in pressure and temperature measurement from Reference [3].

The results of Reference [1] are presented in Section 4.

2.0 ANALYTICAL METHODOLOGY The calculation is performed by applying the appropriate pressure and temperature measurement uncertainties from Reference [3] to the location corrected PT limits developed in Reference [2]. Table 2-1 presents a summary of the inputs used in this calculation.

Table 2-1: Summary of Inputs Parameter Value Source Wide Range Pressure Measurement Uncertainty Read @

Pressure Taps PI-RC2A4 or PI-RC2B4

[

]

Page 34 of Reference [3] and Page 12 of Reference [4]

Low Range Pressure Measurement Uncertainty Read @ Pressure Tap PI-RC2A6.

[

]

Page 34 of Reference [3] and Page 12 of Reference [4]

Temperature Measurement Uncertainty Read @ Wide Range Temperature TIRC4A2 and TIRC4B2 18°F Page 34 of Reference [2]

DH-4849 Lift Pressure (Uncorrected) 330 psig Page 32 of Reference [3]

LTOP Enable Temperature (Uncorrected) 280°F Page 32 of Reference [3]

LTOP Allowable Pressure Limit (RV @ 70°F, Uncorrected)

[

]

Section 6.2 of Reference [2]

Minimum LTOP Enable Temperature (Corrected) 243°F Section 6.2 of Reference [2]

Largest P Between Locations of Interest in the RCS and DH-4849 when TRCS is below 140°F

[

]

Section 6.2 of Reference [2]

Technical Specification Basis Normal HU PT Curves (Location Corrected)

P=f(T)

Table 6-5 of Reference [2]

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 8 Parameter Value Source Technical Specification Basis Normal CD PT Curves (Location Corrected)

P=f(T)

Table 6-7 of Reference [2]

Technical Specification Basis ISLH HU PT Curves (Location Corrected)

P=f(T)

Table 6-12 of Reference [2]

Technical Specification Basis ISLH CD PT Curves (Location Corrected)

P=f(T)

Table 6-13 of Reference [2]

Maximum LCF from PI-RC2A6 to DH-4849 with Three or Fewer RCPs Operational

[

]

Case DB-D11.OUT, Table 4-15 of Reference [5]

Table 2-2: Nomenclature Acronym Definition CD Cooldown DHR Decay Heat Removal HU Heatup ISLH In-Service Leak and Hydrostatic (Pressure Test)

LCF Location Correction Factor LTOP Low Temperature Over-Pressure NDT Nil-Ductility Transition PT Pressure-Temperature RCP Reactor Coolant Pump RCS Reactor Coolant System 3.0 ASSUMPTIONS The assumptions employed during the development of the inputs to the procedural NDT/LTOP limits calculated herein, if any, are described below.

3.1 Unverified Assumptions There are no unverified assumptions requiring verification prior to using the results of this calculation.

3.2 Justified Assumptions 1.

The starting temperature for plant heatup and the ending temperature for plant cooldown are assumed to be 70oF. [

]

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 9 2.

[

]

4.0 CALCULATIONS The development of the procedural NDT/LTOP limits inputs is presented below. Unless otherwise noted, all inputs (and sources) used herein are summarized in Table 2-1.

4.1 NDT Limit Curves The inputs to the procedural NDT limits are developed by applying the pressure and temperature measurement uncertainties to the location corrected values. [

] These calculations are presented in Table 4-1 through Table 4-4 for the normal HU, ISLH HU, normal CD, and ISLH CD, respectively. These data are also presented in Figure 4-1 through Figure 4-8. Per Justified Assumption 1, the HU/CD transients are considered to begin/end at 70oF for the transients with the temperature uncertainty applied.

Unmodified starting/ending temperatures were left as-is (i.e., @ 70oF).

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 10 Table 4-1: Normal Heatup (PI-RC2A4 or PI-RC2B4)

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 11

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 12 Note: Refer to 77-2718NP-006/007 Table 8-6 for Non-Proprietary data.

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 13 Table 4-2: ISLH Heatup (PI-RC2A4 or PI-RC2B4)

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 14

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 15 Note: Refer to 77-2718NP-006/007 Table 8-3 for Non-Proprietary data.

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 16 Table 4-3: Normal Cooldown (PI-RC2A4 or PI-RC2B4)

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 17

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 18 Note: Refer to 77-2718NP-006/007 Table 8-3 for Non-Proprietary data.

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 19 Table 4-4: ISLH Cooldown (PI-RC2A4 or PI-RC2B4)

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 20

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 21 Note: Refer to 77-2718NP-006/007 Table 8-7 for Non-Proprietary data.

[

]

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 22 4.2 LTOP Limit Curves The LTOP input to the procedural curves is developed below, and is plotted with the NDT limits presented in Figure 4-1 through Figure 4-8. [

]

[

]

[

]

Improved Technical Specification (ITS) Figure 3.4.12-1, RCS Pressure Versus Pressurizer Level Limit for Inoperable DHR System Relief Valve in MODE 4, and Figure 3.4.12-2, RCS Pressure Versus Pressurizer Level Limit for Inoperable DHR System Relief Valve in MODE 5 and MODE 6 when the reactor vessel head is on, provide operating restrictions in Mode 4 through Mode 6 to protect against a postulated LTOP event (i.e., failed open MU valve) with an inoperable DHR System relief valve (single failure). The pressurizer level restrictions ensure that the P-T limits reported in the PTLR are not exceeded during the assumed [

] of the LTOP event [

]. ITS Figure 3.4.12-1 and Figure 3.4.12-2 are based on corrected cooldown P-T limits at 10 EFPY presented in Figure 5 of Reference [8]. Table 4-5 presents these data alongside the corresponding 52 EFPY data for comparison [

]

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 23 Table 4-5: 10 EFPY and 52 EFPY P-T Limit Comparison Since the 10 EFPY pressures in Reference [8] are more restrictive than the 52 EFPY pressure limits calculated in Reference [2] and presented in Table 4-3, ITS Figures 3.4.12-1 and 3.4.12-2 remain unchanged for 52 EFPY.

4.3 Surge Line Limit The surge line limits, which are taken from Figure 8-1 of Reference [9], are added for convenience to Figure 4-1 through Figure 4-8 and tabulated below. These data are not corrected herein for location or measurement uncertainty.

Table 4-6: Surge Line Limits

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 24 Figure 4-1: Normal Heatup NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)

Note: ITS Figure 3.4.12-1 and Figure 3.4.12-2 control RCS pressure/temperature if DH-4849 is unavailable. Also, refer to 77-2718NP-006 for the Non-Proprietary Normal Heatup plot without uncertainty.

Document No. 32-9344638-000 PROPRIETARY Updated Inputs to 52 EFPY P-T Operating Curves Page 25 Figure 4-2: Normal Heatup NDT Limits, [

] (PI-RC2A4 or PI-RC2B4)