ML070670267

Appendix to Attachment to PLA-6130 Arts/Mellla RBM Calculation

ML070670267
Person / Time
Site:	Susquehanna
Issue date:	12/01/2006
From:	Susquehanna
To:	Office of Nuclear Reactor Regulation
References
0000-0039-3825 Susq A-M-T506-RBM-Calc-05
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Appendix to Attachment to PLA-6130 ARTS/MELLLA RBM Calculation GE Number: 0000-0039-3825 Susq A-M-T506-RBM-Caic-2005 Revision Number: 0 DRF Folder: 0000-0044-6732 Rev. 1 DRF Number: 0000-0039-3825 October 2005 Instrument Limits Calculation PPL Susquehanna, LLC Susquehanna Steam Electric Station Units 1 & 2 Rod Block Monitor (NUMAC ARTS-MELLLA)

Preparer:

October 10, 2005 Andrew Poulos /Date Verifier:

October 10, 2005 Robert Copp /Date Approved:

October 10, 2005 Bradley Erbes /Date 0000-0039-3825 Susq A-M-T506-RBM-Calc-2005, Rev. 0 IMPORTANT NOTICE REGARDING CONTENTS OF THIS REPORT Please Read Carefully The only undertakings of the General Electric company (GE) respecting information in this document are contained in the contract between PPL Susquehanna, LLC (PPL)and GE, ARTS/MELLLA for Susquehanna SES units 1 and 2 contract 280220-C, accepted July 22, 2004, as amended to the date of transmittal of this document, and nothing contained in this document shall be construed as changing the contract.

The use of this information by anyone other than PPL, or for any purpose other than that for which it is intended is not authorized; and with respect to any unauthorized use, GE makes no representation or warranty, express or implied, and assumes no liability as to the completeness, accuracy or usefulness of the information contained in this document, or that its use may not infringe privately owned rights.file: 05Sus Rbrn Numac AMcalc OutDocRO.doc

.2 0000-0039-3825 Susq A-M-T506-RBM-Calc-2005, Rev. 0 Contents: This document is a supplement analysis data sheet to Reference

1. Included in this document in sequential order are: " the setpoint functions for the system,* the setpoint function analyses inputs and the source reference of the inputs," the devices in the setpoint function instrument loop," the component analysis inputs and input sources,* the calculated results,* input comments and result recommendations,* references.

System: Rod Block Monitor (RBM)The following setpoint functions are included in this document: " Low Power Trip Setpoint (LTSP)* Intermediate Power Trip Setpoint (ITSP)* High Power Trip Setpoint (HTSP)" Low Power Setpoint (LPSP)* Intermediate Power Setpoint (IPSP)* High Power Setpoint (HPSP)file: 05Sus Rbm Numac AMcalc OutDoc_RO.doc 3

0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 1. Function:

RBM Rod Withdrawal Blocks Setpoint Characteristics:

Definition Reference(s)

Event Protection:

Limiting event for the setpoint:

Ref. 2, Ref. 3.1 Intro.The RBM is designed to prevent fuel damage System Purpose, Ref.3.2 Intro. System during a Rod Withdrawal Error (RWE) event Purpose, Ref. 4 Bases during high power operation.

Section B 3.3.2.1 Function After Earthquake El Required Not Required Ref. 4 Bases Section 3.3.2.1, Comment 9 Setpoint Direction:

Ref. 4 Bases Section" Low Power Trip Setpoint ED Increasing El Decreasing 3.3.2.1 (LTSP) Rod Block" Intermediate Power Trip [ Increasing L] Decreasing Setpoint (ITSP)" High Power Trip Setpoint [ Increasing li Decreasing (HTSP)" Low Power Setpoint (LPSP) Z Increasing El Decreasing" Intermediate Power Setpoint 0 Increasing EL Decreasing (IPSP)" High Power Setpoint (HPSP) [ Increasing LI Decreasing Single or Multiple Channel Z Single El Multiple Ref. 4 Bases Section 3.3.2.1, Ref. 6.2 Section 4.1.6 LER Calculation Basis if Multiple Standard (Conservative)

LER Calculation 0, or Ref. 1, Ref. 2 Channel Configuration Specific LER Calculation El Trip Logic for Configuration n/a Specific LER Calculation Plant Data: Value Sigma if not 2 Reference(s)

LPRM Detector (APRM PEA)(% power)APEAAccuracy

+/- 1%; bias 0.49% Ref. 7.2 Section 2.1.1 APEApowerSupplyEffect negligible Ref. 2, Comment 6 DPEA* Trip Setpoints negligible Ref. 7.2 Sec. 2.1.2 Power Setpoints

+/- 0.2% /7 days); bias Ref. 7.2 Section 2.1.1 0.33% / 7 days I file: 05SuS Rbrn Numac AMcalc OutDoc RO.doc 4 0000-0039-3825 Susq A-M-T506-RBM-Calc-2005, Rev. 0 1. Function:

RBM Rod Withdrawal Blocks (cont'd)Plant Data: I Value ISigr na if not 2 Reference(s)

LPRM Detector (APRM PMA)(% power)" Tracking -Trip Setpoints

+ 1% 3 Ref. 7.2 Sec. 1.1.2" Tracking -Power Setpoints

+/- 1.11% Ref. 7.4 Sec. 1 b), Ref. 7.2 Sec. 1.1.1" Noise -Trip Setpoints

+/- 2% Ref. 7.4 Sec. 2, Ref.7.2 Sec. 1.1.1-Noise -Power Setpoints n/a Ref. 7.4 Sec. 1 b)Components (or Devices) in Setpoint Function Instrument Loop:* LPRM Detector* NUMAC Chassis:* Instrument Loop Power Electronics (LPRM, APRM, RBM, Trip Circuit)file: 05Sus Rbm Numac AMcalc OutlDoc_RO.doc 5

0000-0039-3825 Susq A-M-T506-RBM-Calc-2005, Rev. 0 1.1 RBM Low Power Trip Setpoint (LTSP) Rod Block Current Function Value/Equation Limits: [ I Reference(s)

Present Susql &Susq2 Calculation

(% RTP)ARTS-MELLLA Condition (% RBM Ave. Flux)Ref. 6.2 Sec.4.8.2.4 Analytical Limit n/a 118% for TLO/SLO Ref. 3.1, Ref. Ref. 5.3 3.27 Tech Spec Allowable n/a Ref. 3. 1, Ref. 3.2 Value [__Nominal Trip Setpoint n/a,,,iii:

., Ref. 3.1, Ref. 3.2 Operational Limit n/a n/a Ref. 3.1, Ref. Ref. 1, Ref. 2,_ ______3.2 Comment 3 1.2 RBM Intermediate Power Trip Setpoint (ITSP) Rod Block Current Function Value/Equation Reference(s)

Limits: Present Susql & ARTS-MELLLA Ref. 6.2 Sec.Susq2 Calculation Condition 4.8.2.4 (% RTP) (% RBM Ave. Flux)Analytical Limit n/a 113% for TLO/SLO Ref. 3.1, Ref. Ref. 5.3 3.2 Tech Spec Allowable n/a Ref. 3.1, Ref. 3.2 Value Nominal Trip Setpoint n/a Ref. 3.1, Ref. 3.2 Operational Limit n/a n/a Ref. 3.1, Ref. Ref. 1, Ref. 2, 3.2 Comment 3 1.3 RBM High Power Trip Setpoint (HTSP) Rod Block and Clamp Current Function Value/Equation Reference(s)

Limits: Present Susql & ARTS-MELLLA Ref. 6.2 Sec.Susq2 Calculation Condition 4.8.2.4 (% RTP) (% RBM Ave. Flux)Analytical Limit TLO 0.58Wd + 58% 108% for TLO/SLO Ref. 3.1, Ref. Ref. 5.3 Clamp: n/a Clamp: n/a 3.2 SLO 0.58Wd + 53%Tech Spec Allowable 0.66Wd + 55% Ref 3 1, Ref. 3.2, Ref. 4 Section Value TLO 3.3.2.1 SLO 0.58Wd + 50% ..Nominal Trip Setpoint 0.58Wd + 52% ., Ref. 3.1, Ref. 3.2 TLO SLO 0.58Wd + 47% .Operational Limit n/a n/a Ref. 3.1, Ref. Ref. 1, Ref. 2, 3.2 Comment 3 file: 05Sus Rbm Numac AMcalc OutDoc_RO.doc 6

0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 1.4 RBM Low Power Setpoint (LPSP)Current Function Value/Equation Limits: I Reference(s)

I ~1 Present Susql &Susq2 Calculation

(% RTP)ARTS-MELLLA Condition (% RTP)Analytical Limit -30% 30% for TLO/SLO Ref. 4 Section Ref. 7.1, Ref.3.3.2.1 R 5.3 Tech Spec Allowable n/a Ref. 3.! Ref. 3.2 Nominal Trip Setpoint n/a Ref. 3.1, Ref. 3.2 Operational Limit n/a n/a Ref. 3.1, Ref. Ref. 1, Ref. 2, 1_3.2 Comment 3 1.5 RBM Intermediate Power Setpoint (IPSP)Current Function Value/Equation Reference(s)

Limits: Present Susql_& ARTS-MELLLA Susq2 Calculation Condition (% RTP) (% RTP)Analytical Limit n/a 65% for TLO/SLO Ref. 3.1, Ref. Ref. 5.3 3.2 Tech Spec Allowable n/a ,Ref. 3.1, Ref. 3.2 Value Nominal Trip Setpoint n/a >; Ref. 3.1, Ref. 3.2 Operational Limit n/a n/a Ref. 3.1, Ref. Ref. 1, Ref. 2, 3.2 Comment 3 1.6 RBM High Power Setpoint (HPSP)Current Function Value/Equation Reference(s)

Limits: Present Susql & ARTS-MELLLA Susq2 Calculation Condition (% RTP) (% RTP)Analytical Limit n/a 85% for TLO/SLO Ref. 3. 1, Ref. Ref. 5.3 3.2 Tech Spec Allowable n/a Ref. 3.1, Ref. 3.2 Value Nominal Trip Setpoint n/a ., Ref. 3.1, Ref. 3.2 Operational Limit n/a n/a Ref. 3.1, Ref. Ref. 1, Ref. 2, 3.2 Comment 3 file: 05Sus Rbm Numac AMcalc OutDocRO.doc 7

0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 2. Components:

2.1 Power Electronics (LPRM, APRM, RBM, Trip Circuit)Component Information:

I Value/Eluation Reference(s)

Plant Instrument ID No. Not provided Comment 2 Instrument vendor GE / Reuter-Stokes Ref. 5.3 Model ID No. (including LPRMs: NA300 Ref. 5.3 Range Code)Plant Location(s)

Control Structure

-Lower Relay Room Ref. 5.1, Ref. 5.2, Ref. 5.3 Process Element Neutron detector Ref. 6.2 Sections 1.5 & 3.2, Ref. 7.3 Inputs: Vendor Specifications Value / Equation Sigma if not 2 Reference s)Top of Scale FS 125% Ref. 6.2 Sections 4.3.2 & 4.7.2 Bottom of Scale 0% i ; Ref. 6.2 Sections% 4.3.2 & 4.7.2 Upper Range Limit n/a Ref. 6.2 Sections UpprRngeLimtna e4.3.2 & 4.7.2 Accuracy ALPRM Detector =" LPRM Detector See APRM PEA (Section 1) APRM PEA per Ref. 1 & Ref. 2" LPRM Electronics

+ 0.943% (% local power) Ref. 7.3 Section 5.1.1.1.1 Temperature Effect included in accuracy Ref. 7.3 Section 5.1.1.1.1 Seismic Effect negligible Ref. 6.7 Section 4.1.1, Comment4 Radiation Effect negligible Ref. 7.3 Section 5.1.1.1.1 Humidity Effect included in accuracy Ref. 7.3 Section 5.1.1.1.1 Power Supply Effect See APRM PEA (Detector)

RFI/EMI Effect negligible Comment 4 Insulation Resistance Effect negligible Comment 4 Over-pressure Effect n/a Comment 5 Static Pressure Effect n/a Comment 5 file: 05-Sus Rbmn Numac AMcalc Outl-oc RO.doc8 8 0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 2.1 Power Electronics (LPRM, APRM, RBM, Trip Circuit) (cont'd)Piant Data: Value Calib Temperature Range 60 to 80 degF Normal Temperature Range 60 to 80 degF Trip Temperature range 60 to 80 degF Plant seismic value 1.95g Plant Radiation value 1.8 x 102 RAD TID Plant Humidity value 10 to 60% RH Power Supply Variation value Not provided RFI/EMI value Not provided Over-pressure value n/a Static Pressure value n/a Reference(s)

Ref. 5.3 Ref. 5.3 Ref. 5.3 Ref. 5.3 Ref. 5.3 Ref. 5.3 Comment 4 Comment 2 Comment 5 Comment 5 Drift: Value Current Calib. Interval 7 days lilncludes extra 25%Desired Calib. Interval 7 days [lIncludes extra 25%Drift Source NVendor SCalculated Trip Setpts Power Setpts 2 Referencels)

Ref. 4 Table 3.3.1.1-1 Ref. 4 Table 3.3.1.1-1 Ref. 1, Ref. 2 Drift Value (Trip Setpoints)

+ 0.3% FS / 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> (% RBM power)Ref. 6.2 Section 4.7.2.9, Comment 8 Drift Value (Power Setpoints)

+ 0.5% FS / +/- 0.5% SP / Ref. 6.4 Section I (% power) 1 700 hours0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br /> 8.75 days 4.3.3.3 file: 05Sus Rbm Numac AMcalc OutDocROdoc" 9 0000-0039-3825 Susq A-M-T506-RBM-Calc-2005, Rev. 0 2.1 Power Electronics (LPRM, APRM, RBM, Trip Circuit) (cont'd)Calibration:

Value / equation I Sigma if not 3 1 Reference(s)

Included in APRM calibration Ref. 5.3 As Left Tolerance Trip setpoints:

0 Ref. 7.3 Sections 5.1.1.1.1

& 5.2.2.1, Power setpoints:

AGAF Comment 7 As Found Tolerance Trip setpoints:

= ALT Ref. 5.3, Comment 7 Power setpoints:

= ALT Input Calibration Tool: n/a Comment 7 Accuracy Resolution

/ Readability Minor Division Upper Range Temperature Effect Input Calibration Standard:

n/a _______________________Comment 7 Accuracy Resolution

/ Readability Minor Division Upper Range _Temperature Effect Output Calibration Tool: n/a .., Comment 7 Accuracy Resolution

/ Readability Minor Division Upper Range Temperature Effect Output Calibration Standard:

n/a Comment 7 Accuracy Resolution

/ Readability Minor Division Upper Range Temperature Effect Application Specific Input: Value Sigma if not 2 Reference s)Minimum no. of LPRMs per 4 of 8 Ref. 6.6 Sections RBM Channel (Trip Setpoints) 4.3.3.3 & 4.3.4.5 Minimum no. of LPRMs per Ref. 6.1 Section APRM Channel (Power 20 of43 : 4.1.5 APRM Gain Adjustment Factor +/- 2% RTP 3 Ref. 4.1 Table (Power Setpoints) 3.3.1.1-1, Ref. 5.3 file: 05Sus Rbm Numac AMcalc OutDoc_RO.doc 10 0000-0039-3825 Susq A-M-T506-RBM-Calc-2005, Rev. 0 3. Summary Results: Calculated Values Setpoint Function Analytic Limit (from Section 1)(% ARTS-MELLLA RTP)Allowable Value (% ARTS-MELLLA RTP)Nominal Trip Setpoint (% ARTS-MELLLA RTP)Meets LER Avoid-ance Criteria Meets Spurious Trip Avoid-ance Criteria Low Power Setpoint 30% 28.0% 26.0% Y n/a (LPSP)Intermediate Power 65% 63.0% 61.0% Y n/a Setpoint (IPSP)High Power Setpoint 85% 83.0% 81.0% Y n/a (HPSP)Meets Meets Analytic Limit Allowable Value Nominal Trip LER Spurious Setpoint Function (from Section 1) (% ARTS-MELLLA Setpoint Avoid- Trip Avoid-(% ARTS- RBM Average (% ARTS- ance ance MELLLA RBM Flux)" MELLLA RBM Criteria Criteria Average Flux) Average Flux)" Low Power Trip 118% 115.6% 115.2% Y n/a Setpoint (LTSP)Intermediate Power 113% 110.6% 110.2% Y n/a Trip Setpoint (ITSP)High Power Trip 108% 105.6% 105.2% Y n/a Setpoint (HTSP) I I I I r See Comment 12.Application Specific Setpoint Adjustments Setpoint Function Low Power Setpoint NTSP Deadband Actual Instrument Ref. 6.2 Section (LPSP) -setting 26.0% RTP 1.1% RTP Setting 4.7.9.1.2 and adjustment (from above) 24.9% RTP Section 4.8.2.4, Comment 10 Calculated AL to AV AL to AV (Minimum AL to AL to NTSP1 AL to Selected Margin and AL to Required Margin)* Selected AV (Minimum Required NTSP NTSP Margins Margin)*LPSP 1.939174 2.0 2.358089 4.0 IPSP 1.939174 2.0 2.358089 4.0 HPSP 1.939174 2.0 2.358089 4.0 ITSP 2.313792 2.4 2.339689 2.8 HTSP 2.313792 2.4 2.339689 2.8* Per Reference 1 and Reference 2.file: 05Sus Rbm Numac Aklca~c OutDoc RO~doc I 1il 0000-0039-3825 Susq A-M-T506-RBM-CaIc-2005, Rev. 0 4. Comments and Recommendations:

1. Unless specifically identified as "bias" errors in this document, all instrument uncertainty errors will be considered to be random in nature, even when the "+/-" symbol is not shown.2. Some plant specific information has not been provided in the current SSES setpoint calculation(s) and is considered unnecessary because the impact of this information is included within the instrument accuracy values.3. STA evaluations are not performed for rod blocks or permissives per GE setpoint methodology (Reference 1 and Reference 2), such as the RBM Rod Blocks. Therefore, the Operational Limits are not applicable.

4. Seismic effect, radiation effect, humidity effect, power supply effect, Radio Frequency Interference/

Electromagnetic Interference (RFI/EMI) effect, and insulation resistance effect errors are marked "negligible" or "included in accuracy" and are considered to have negligible impact on the manufacturer's accuracy terms when they are not identified separately.

5. Per Reference 1 and Reference 2, overpressure effects are only applicable to pressure measurement devices (e.g., differential pressure transmitters), and static pressure effects are only applicable to differential pressure measurement devices. These effects are marked 'n/a" for other devices.6. The variation of the LPRM ion chamber output current with +/- 1 percent change of the ion chamber voltage in the saturated range is negligibly small. (Reference 2 Section 4.5.3)7. The APRM subsystem is calibrated on-line weekly (Reference

4) using the AGAF process, where the gain of the APRMs is adjusted to read the Core Thermal Power (CTP) determined by the Process Computer (P/C), within a specified As Left Tolerance.

This is equivalent to a standard calibration of the APRM electronics sub-loop (consisting of the LPRM and APRM signal conditioning electronics), where the P/C is the calibration tool and standard.

It is assumed that the P/C and heat balance error is already accounted for in transient analyses.Thus,.the only calibration error to consider for the APRM electronics sub-loop is the As Left Tolerance specified by the AGAF process.8. The Power Electronics Drift for the RBM Trip setpoints uses the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> drift error specification.

The only drift error would be the drift in the several hours after control rod selection and nulling, and before the control rod is motion. This is estimated to be a few hours, so the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> drift interval is used.9. The RBM Rod Blocks limit control rod withdrawal if localized neutron flux exceeds a pre-determined setpoint during control rod manipulations.

However, the RBM system is not essential for the safety of the plant. Hence, the RBM rod withdrawal block setpoint does not perform a protective function. (Reference 5.3)Therefore, the Seismic Effect for the RBM does not need to be considered.

10. As described in the Technical Specifications (Reference 4 Section 3.3.2.1), the LPSP is considered as an automatic "enable" feature when abovd the LPSP, and the AV and NTSP are calculated accordingly.

The enable feature occurs as Reactor power increases past the LPSP.The vendor documents for the RBM equipment (and the Reference 4 Bases) treat the LPSP as an automatic "bypass" feature (Reference 6.2) when below the LPSP. The bypass feature occurs as Reactor Power decreases below the LPSP. These two descriptions are not interchangeable/equivalent; there is a need in the equipment logic for an instrument setting"deadband".

Therefore, the equipment instrument setting for the LPSP NTSP must include the 1.1% Rated Thermal power deadband (i.e., hysteresis of 1.0% and an accuracy of 0.1%). The deadband does not apply to the AV.The equipment instrument setting is equal to the NTSP for the other RBM setpoint functions.

file: 05Sus Rbm Numac AMcalc OutDoc RO.doc 12 0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 4. Comments and Recommendations (cont'd): 11. For the RBM Downscale Trip Setpoint (DTSP), no credit is taken for it in the RWE analyses.Choice of this setpoint is an operational issue to be decided by the plant. There is no AL for this setpoint.

A value of 94 is recommended, but it can be lowered if operational problems are encountered. (Reference 7.1)12. Per Reference 1 and Reference 2, the difference between the AL and AV and the difference between the ALI a nd NTSP are independent of the num,,eror

'he AL. This applies for a"l of the Power and Trip setpoint functions.

13. Transfer functions used in this calculation:

RBM Power Electronics:

Output is proportional to the average of the inputs, and miltinpied hv a ngin to inrrease the outnut to match the APRM reference.

APRM Power Electronics:

Output is proportional to the average of the inputs.file: O5Sus Rbm Numac AMcalc OutDoc Ro.doc 13 0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 5.

References:

1. NEDC-32889P, Rev. 3, General Electric Methodology for Instrumentation Technical Specification and Setpoint Analysis, November 2002 2. NEDC-31336P-A, General Electric instrument Setpoint Methodology, September 1996 3. Current applicable Susquehanna setpoint calculations:

3.1. CALC EC-078-0509, Rev. 4, Unit 1 RBM A and B Flow Biased Setpoint Change, July 21,1999 3.2. CALC EC-078-0503, Rev. 4, Unit 2 RBM A and B Flow Biased Setpoint Change, July 22, 1999 4. Susquehanna Technical Specifications and Bases, as revised through Amendment 219 for Unit 1 and Amendment 190 for Unit 2.5. Current applicable Susquehanna procedures/documents:

5.1. Procedure SI-178-325A, Rev. 2, 24 Month Channel Calibration of Rod Block Monitor (RBM) Channel A, August 7, 2001 5.2. Procedure SI-178-325B, Rev. 2, 24 Month Channel Calibration of Rod Block Monitor (RBM) Channel A, August 7, 2001 5.3. PPL Susquehanna, LLC, Extended Power Uprate Project, ARTS/MELLLA:

Completed Design Input Request T0506, EPUL-01 88, (Rev. 2), transmittal letter dated July 28, 2005, from Michael S. Gorski (PPL) to Larry W. King (GE)6. Vendor Specifications:

6.1. GE 24A5221WJ, Rev. 0, PRNM Requirements Specification, Data Sheet, Susquehanna 1 &2 6.2. GE 24A5221, Rev. 11, NUMAC Power Range Neutron Monitor (PRNM), Requirements Specification, March 23, 2005 6.3. (not used)6.4. GE 25A5916, Rev. 5, NUMAC Average Power Range Monitor (APRM), Performance Specification, February 28, 2005 6.5. (not used)6.6. GE 25A5917, Rev. 3, NUMAC Rod Block Monitor (RBM), Performance Specification, November 14, 2003 6.7. GE 23A5082, Rev. 1, NUMAC Requirements Specification, Design Spec, August 9, 1995 7. GE Letters / Reports: 7.1. GE Project Task Report, PPL Susquehanna LLC, Susquehanna Steam Electric Station Units 1&2, ARTS/MELLLA, Task T0500, GE-NE-0000-0026-6330-RO, Rev. 0, Class III, March 2005 file: 05Sus Rbm Numac AMcalc OutDoc RO.doc 14 0000-0039-3825 Susq A-M-T506-RBM-Caic-2005, Rev. 0 5. References (cont'd): 7.2. Bases for PMA & PEA Values for NMS setpoints, BasesNMSPMAPEA2.doc, DRF C51-00217, Y. Dayal, 3/15/99 [internal GE document; not releasable]

7.3. GE CD-4608 Volume XI DCD; Rev. B, Design Calculation for NUMAC Power Range Neutron Monitoring System (PRNM), DRF C51-00136 (4.42), October 9, 1998 [not releasable]

7.4. GE document, "Closure of CAR 6912 for RBM and APRM Setpoint Calculations, file CAR6912Closure Basis.doc, DRF A74-00011-00, 3/19/2002

[internal GE document; not releasable]

file: 05Sus Rbm Numac AMcalc OutDocRO.doc 15