NL-17-0516, Enclosure 2: Edwin I. Hatch Nuclear Plant, Unit 2 - Cycle 25 Core Operating Limits Report Version 1
| ML17090A145 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 03/28/2017 |
| From: | Southern Nuclear Operating Co |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17090A142 | List: |
| References | |
| NL-17-0516 VSP-SNC-HV1-17-003 | |
| Download: ML17090A145 (67) | |
Text
Edwin I. Hatch Nuclear Plant - Unit 2 Unit 2 Cycle 25 Core Operating Limits Report Version 1 Enclosure 2 Unit 2 Cycle 25 Core Operating Limits Report NON-PROPRIETARY INFORMATION
ENCLOSURE2 VSP-SNC-HVl-17-003 Edwin I. Hatch Nuclear Plant Unit 2 Cycle 25 Core Operating Limits Report Non-Proprietary Information INFORMATION NOTICE This is a non-proprietary version of Enclosure 1 of VSP-SNC-HVI-17-003, which has the proprietary information removed. Portions of the document that have been removed are indicated by white space inside open and closed bracket as shown here (( )).
Non-Proprietary Information SOUTHERN NUCLEAR OPERATING COMPANY EDWIN I. HATCH NUCLEAR PLANT Unit 2 Cycle 25 CORE OPERATING LIMITS REPORT Version 1.0 Southern Nuclear Operating Company Post Office Box 1295 Birmingham, Alabama 35242
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 Edwin I. Hatch Nuclear Plant Unit 2 Cycle 25 Core Operating Limits Report TABLE OF CONTENTS Section Title Page 1.0 Introduction 8 2.0 APLHGR Operating Limits 10 3.0 MCPR Operating Limits 14 4.0 LHGR Operating Limits 51 5.0 Operating Pressure Limits 60 6.0 PBDA Amplitude Setpoint 64 7.0 References 65 2
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLES Table No. Title Page 1-1 Main Turbine Bypass System Operability 8 1-2 Equipment-Out-of-Service Limitations 9 3-1 Exposure Definitions 16 3-2 Flow-Dependent MCPR Operating Flexibility Options 17 3-3 Power-Dependent MCPR Operating Flexibility Options 17 3-4 Power-Dependent Kp Multiplier Flexibility Options 18 3-5 Rated-Power MCPR Operating Flexibility Options 19 4-1 LHGR Limits versus Peak Pellet Exposure 51 4-2 Flow-Dependent LHGR Operating Flexibility Options 52 4-3 Power-Dependent LHGR Operating Flexibility Options 52 5-1 Pressure Dependent Operating Flexibility Options 61 5-2 Maximum Thermal Limit Ratios for Equipment In Service Operation 62 5-3 Maximum Thermal Limit Ratios for EOC-RPT Out of Service Operation 62 6-1 Licensed OPRM Amplitude Setpoints 64 3
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 FIGURES Figure No. Title Page 2-1A GE14C Flow-Dependent APLHGR Multiplier (MAPFACF) versus Core Flow 11 2-18 GNF2 and GNF3 LTA Flow-Dependent APLHGR Multiplier (MAPFACF) versus Core Flow 12 2-2 APLHGR Limit Versus Average Planar Exposure 13 3-1 Flow-Dependent MCPR Limit (MCPRF) versus Core Flow 20 3-2A Power-Dependent MCPR Limit (MCPRp) versus Core Power 21 3-28 Power-Dependent MCPR Limit (MCPRp) versus Core Power (Main Turbine Bypass System Inoperable and/or Main Turbine Pressure Regulator System Status in TLCO 3. 3. 13. c) 22 3-2C Power-Dependent MCPR Limit (MCPRp) versus Core Power (High Pressure Feedwater Heaters Out of Service) 23 3-3A Power-Dependent MCPR Multiplier (Kp) versus Core Power 24 3-38 Power-Dependent MCPR Multiplier (Kp) versus Core Power (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 25 3-3C Power-Dependent MCPR Multiplier (Kp) versus Core Power (High Pressure Feedwater Heaters Out of Service) 26 3-4A-1 TLO MCPR Limits versus Average SCRAM Time 27 3-4A-2 TLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service) 28 3-4A-3 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Bypass System Inoperable) 29 4
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 Figure No. Title Page 3-4A-4 TLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service & Main Turbine Bypass System Inoperable) 30 3-4A-5 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 31 3-4A-6 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c & EOC-RPT Out of Service) 32 3-4A-7 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c & Main Turbine Bypass System Inoperable) 33 3-4A-8 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3. 3. 13. c & EOC-RPT Out of Service & Main Turbine Bypass System Inoperable) 34 3-4A-9 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service) 35 3-4A-10 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service & EOC-RPT Out of Service) 36 3-4A-11 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service & Main Turbine Bypass System Inoperable) 37 3-4A-12 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service & EOC-RPT Out of Service &
Main Turbine Bypass System Inoperable) 38 3-48-1 SLO MCPR Limits versus Average SCRAM Time 39 3-48-2 SLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out
. of Service) 40 3-48-3 SLO MCPR Limits versus Average SCRAM Time (Main Turbine 5
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 Figure No. Title Page Bypass System Inoperable) 41 3-48-4 SLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service & Main Turbine Bypass System Inoperable) 42 3-48-5 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 43 3-48-6 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c & EOC-RPT Out of Service) 44 3-48-7 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c & Main Turbine Bypass System Inoperable) 45 3-48-8 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c & EOC-RPT Out of Service & Main Turbine Bypass System Inoperable) 46 3-48-9 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service) 47 3-48-10 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service & EOC-RPT Out of Service) 48 3-48-11 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service & Main Turbine Bypass System Inoperable) 49 3-48-12 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service & EOC-RPT Out of Service &
Main Turbine Bypass System Inoperable) 50 4-1A GE14C Flow-Dependent LHGR Multiplier (LHGRFACF) versus Core Flow 53 4-18 GNF2 & GNF3 LTA Flow-Dependent LHGR Multiplier 6
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 Figure No. Title Page (LHGRFACF) versus Core Flow 54 4-1C GNF2 & GNF3 LTA Flow-Dependent LHGR Multiplier (LHGRFACF) versus Core Flow (Main Turbine Bypass System Inoperable) 55 4-2A Power-Dependent LHGR Multiplier (LHGRFACp) versus Core Power 56 4-28 Power-Dependent LHGR Multiplier (LHGRFACp) versus Core Power (High Pressure Feedwater Heaters Out of Service) 57 4-3A GE14C LHGR Limit versus Peak Pellet Exposure 58 4-38 GNF2 & GNF3 LTA LHGR Limit versus Peak Pellet Exposure 59 5-1 Licensed Regions of Operating Dome Pressure versus Core Power 63 7
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0
1.0 INTRODUCTION
The Core Operating Limits Report (COLR) for Plant Hatch Unit 2 Cycle 25 is prepared in accordance with the requirements of Technical Specification 5.6.5. The core operating limits presented herein were developed using NRG-approved methods (References 1 through 6).
Results from the reload analyses for the fuel in Unit 2 Cycle 25 are documented in References 2 through 4.
The following core operating limits are included in this report:
- a. Average Planar Linear Heat Generation Rate (APLHGR) - Technical Specification 3.2.1
- b. Minimum Critical Power Ratio (MCPR) - Technical Specification 3.2.2
- c. Linear Heat Generation Rate (LHGR) - Technical Specification 3.2.3 This report includes reduced thermal limit ratios which may be used in conjunction with the standard core operating limits to allow operation with dome pressure down to 40 psi below nominal. Also included in this report are the licensed scram setpoints for the Period Based Detection Algorithm (PBDA) in the Oscillation Power Range Monitor (OPRM).
Based upon the reload analyses for this cycle, the following operability requirement is defined for Unit 2 operation.
TABLE 1-1 Main Turbine Bypass System Operability
. . .. *sysiern ., .. "Operability ReqL,Jir~m~'nt .
Main Turbine .Bypass System Operable At least two bypass valves must be operable (Technical Specification 3.7.7) 8
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 From a fuel thermal limits perspective, the following limitations are placed on Unit 2 operation.
TABLE 1-2 Equipment-Out-of-Service Limitations
- * << *.' !/,_ "- "*' (
- , . *:'.: . * * !=quip_rn_enf/ ~onditi~n ____ '( ;_ , _ * - - * :t..:in1itatid1:r *
- Core Power must be :::; 2000 MWth Single-Loop Operation (SLO)
- Core Flow must be :::; 56% of Rated High Pressure Feedwater Heaters Out of Service Any 41h stage feedwater heater configuration limits must be applied, unless the standard LFWH off-normal analysis is demonstrated to remain applicable by BWR Fuel Engineering OPRM System Inoperable Main Turbine Bypass System Inoperable OR Dome Pressure must be within +/- 10 psi of nominal, as defined in Figure 5-1 Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c High Pressure Feedwater Heaters Out of Service High Pressure Feedwater Heaters Out of Service No Core Operating Limits available (Technical and Main Turbine Pressure Regulator System Specifications RAS 3.2.2 and 3.2.3 must be Status in TLCO 3.3.13.c simultaneously entered) 9
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 2.0 APLHGR OPERATING LIMITS (Technical Specification 3.2.1)
For both two loop operation (TLO) and single loop operation (SLO), the APLHGR limit for each six inch axial segment of each fuel assembly in the core is the applicable fuel-type-specific APLHGR limit in Figure 2-2 multiplied by the fuel-type-specific flow-dependent multiplier, MAPFACF, taken from either:
- a. Figure 2-1A for GE14C fuel
- b. Figure 2-1 B for GNF2 fuel
- c. Figure2-1BforGNF3LTAs 10
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.00 I TLO I i
~ 0.90 I
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Flow SlO'/ TLO MAPFACF 30.0::;; F::;; 61.0 TLO 0.86 61.0 < F TLO 1.00 30.0::;; F SLO 0.80 F = Percent of Rated Core Flow FIGURE 2-1A GE14C Flow-Dependent APLHGR Multiplier (MAPFACF) versus Core Flow 11
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.0 I TLO I
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Flow " SLO/TLC MAPFACF 30.0::; F TLO 1.00 30.0::; F SLO 0.80 F =Percent of Rated Core Flow FIGURE 2-18 GNF2 and GNF3 LTA Flow-Dependent APLHGR Multiplier (MAPFACF) versus Core Flow 12
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 15.0 Average GE14C
- Planar APL.:HGR 14.0 Exposure .Ljmif" (GWd/ST) 0.00 14.51 (kW/ft) 12.82 12.82 13.0
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. Average GNF3 LTA Planar* APLHGR Exposure Limit CGWd/ST) .(kW/ft) 0.00 13.78 5.0 4.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 Average Planar Exposure (GWd/ST) 50.0 55.0 60.0
'65.0 17.15 13.78 60.78 6.87 63.50 5.50 FIGURE 2-2 APLHGR Limit Versus Average Planar Exposure 13
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 3.0 MCPR OPERATING LIMITS (Technical Specification 3.2.2)
The MCPR operating limits (OLMCPR) for each fuel type are a function of core power, core flow, average scram time, number of operating recirculation loops, EOC-RPT system status, operability of the main turbine bypass system, the status of the main turbine pressure regulator system, status of the high pressure feedwater heaters, and cycle exposure. Cycle exposures are defined in Table 3-1.
The OLMCPRs for both two loop operation (TLO) and single loop operation (SLO) are determined as follows:
- a. For 24% ::; core power::; 45%, the greater of either:
- 1) The flow-dependent MCPR limit, MCPRF, as determined by Table 3-2,
- 2) The power-dependent MCPR limit, MCPRp, as determined by Table 3-3.
- b. For core power> 45%, the greater of either:
- 1) MCPRF, as determined by Table 3-2,
- 2) The product of the power-dependent multiplier, Kp, as determined by Table 3-4, and the rated-power OLMCPR, as determined by Table 3-5.
These limits apply to all operating conditions with normal feedwater temperature, as well as with feedwater temperature reduction.
These limits apply to operation with vessel dome pressure within +/- 1O psi of nominal pressure, as defined by the Region I pressure band shown in Figure 5-1. With all equipment in service or with the EOC-RPT system out of service, operation with vessel dome pressure down to 40 psi below nominal is licensed provided the additional restrictions identified in Section 5.0 are applied with the MCPR operating limit defined in this section.
14
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 In the 3-4A and 3-48 figures, Option A scram time OLMCPRs correspond to 't =1.0, where 't is determined from scram time measurements performed in accordance with Technical Specifications Surveillance Requirements 3.1.4.1 and 3.1.4.2. Option B values correspond to
't = 0.0. For scram times between Option A and Option B, the rated-power OLMCPR corresponds to 't. If 't has not been determined, Option A limits must be used.
The average scram time of the control rods, 't , is defined as:
= 0, OR , whichever is greater.
where: '!A = 1.08 sec (Technical Specification 3.1.4, Table 3.1.4-1, scram time limit to notch 36).
I 2
N,
'ts = µ+ 1.65* (j
(j
= 0.018 sec (standard deviation ofµ).
N, = total number of active rods measured in Technical Specifications Surveillance Requirement 3.1.4.1.
n = number of surveillance tests performed to date in the cycle.
Ni = number of active control rods measured in the i 1h surveillance test.
n INi'ti i=l
't ave = n I Ni i=l where: 'ti = average scram time to notch 36 of all rods in the i 1h surveillance test.
15
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLE 3-1 Exposure Definitions Exposure Label Definition Cycle Exposure BOC Beginning of Cycle Exposure 0 MWd/ST MOC1 First Middle of Cycle Exposure EOR - 7978 MWd/ST Second Middle of Cycle MOC2 EOR - 3278 MWd/ST Exposure Projected exposure at end of rated power with all control rods out, EOR End of Rated Exposure rated core flow, and rated feedwater temperature EOC End of Cycle Exposure Exposure at cycle shutdown 16
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLE 3-2 Flow-Dependent MCPR Operating Flexibility Options Equipment In or Out of Service EOC-RPT Main Turbine Main Turbine High Pressure Figure#
Svstem Bvpass Svstem Pressure Regulator Feedwater Heaters In Service Operable* Svstem Status In Service Yes/No Yes/No TLCO 3.3.13.a or b Yes/No 3-1 Yes/No Yes/No TLCO 3.3.13.c Yes 3-1 Yes/No Yes/No TLCO 3.3.13.c No Not Licensed TABLE 3-3 Power-Dependent MCPR Operating Flexibility Options
'; (, .>>"'* *" ';
- . ** ,*:McPR.,.from .=:: ~~% ..to s *4~% of ~ate,:d G~>>re. ;p:()w~r "
Equipment In or Out of Service EOC-RPT Main Turbine Main Turbine High Pressure Figure#
Svstem B'tQass S'f.stem Pressure Regulator Feedwater Heaters In Service Operable* S't,stem Status In Service Yes/No Yes TLCO 3.3.13.a or b Yes 3-2A Yes/No No TLCO 3.3.13.a or b Yes 3-28 Yes/No Yes/No TLCO 3.3.13.c Yes 3-28 Yes/No Yes/No TLCO 3.3.13.a or b No 3-2C Yes/No Yes/No TLCO 3.3.13.c No Not Licensed
- At least two bypass valves must be operable 17
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLE 3-4 Power-Dependent KP Multiplier Flexibility Options KP for Core Power :> 45% of Rated Equipment In or Out of Service EOC-RPT Main Turbine Main Turbine High Pressure Figure#
System Bw.ass System Pressure Regulator Feedwater Heaters In Service OQ.erable* System Status In Service Yes/No Yes/No TLCO 3.3.13.a orb Yes 3-3A Yes/No Yes/No TLCO 3.3.13.c Yes 3-38 Yes/No Yes/No TLCO 3.3.13.a orb No 3-3C Yes/No Yes/No TLCO 3.3.13.c No Not Licensed
- At least two bypass valves must be operable 18
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLE 3-5
. Rated-Power MCPR Operating Flexibility Options
. Ra~ed~p(>w¢r ..QLMCPJ~~
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.. :. ...... : ....... ./ '"- : . *. : --~:;_ . *.
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Figure#
Equipment In/Out of Service TLO SLO Equipment In Service 3-4A-1 3-4B-1 EOC-RPT Out of Service 3-4A-2 3-4B-2 Main Turbine Bypass System Inoperable 3-4A-3 3-4B-3 Main Turbine Bypass EOC-RPT Out of Service AND 3-4A-4 3-4B-4.
System Inoperable Main Turbine Pressure Regulator System Status 3-4A-5 3-4B-5 in TLCO 3.3.13.c
- EOC-RPT Out of Service 3-4A-6 3-4B-6 Main Turbine Bypass Main Turbine Pressure 3-4A-7 3-4B-7 System Inoperable Regulator System Status AND in TLCO 3.3.13.c EOC-RPT Out of Service AND 3-4A-8 3-4B-8 Main Turbine Bypass System Inoperable High Pressure Feedwater Heaters Out of Service
- 3-4A-9 3-4B-9 EOC-RPT Out of Service 3-4A-10 3-4B-10 Main Turbine Bypass 3-4A-11 3-4B-11 High Pressure Feedwater System Inoperable AND Heaters Out of Service EOC-RPT Out of Service AND 3-4A-12 3-4B-12 Main Turbine Bypass System Inoperable
" High Pressure Feedwater Heaters Out of Service in combination with Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c is not a licensed operating condition.
19 I
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.6
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MCPRF(TLO) = A+ B*F MCPRF(SLO) = MCPRF(TLO) + 0.04
- . e*
Flow A 30.0 ~ F < 80.0 1.7444 -0.00603 80.0 ~ F < 90.0 1.4967 -0.00293 90.0 ~ F 1.2330 0.00000 F =Percent of Rated Core Flow FIGURE 3-1 Flow-Dependent MCPR Limit (MCPRF) versus Core Flow 20
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 2.8 I ~ 60% Flow I 2.6 0..
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D. 1.8 I < 60% Flow I 1.6 24 26 28 30 32 34 36 38 40 42 44 45 Core Power(% of Rated)
MCPRp(TLO) = A+ B*P MCPRp(SLO) = MCPRp(TLO) + 0.04 Flow Power A* B F ~ 60.0 24.0 :::; p :::; 28.0 3.4100 -0.03000 F ~ 60.0 28.0 < p :::; 45.0 2.5424 -0.01294 F < 60.0 24.0 :::; p:::; 28.0 2.2100 0.00000 F < 60.0 28.0 < p :::; 45.0 2.0353 -0.00412 P =Percent of Rated Core Power F =Percent of Rated Core Flow FIGURE 3-2A Power-Dependent MCPR Limit (MCPRp) versus Core Power 21
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 2.8 f * ~ 60% Flow f
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MCPRp(TLO) =A + B*P MCPRp(SLO) = MCPRp(TLO) + 0.04 Flow *Power A B F;:: 60.0 24.0 :::; p :::; 28.0 3.4100 -0.03000 F;:: 60.0 28.0 < p :::; 45.0 2.5424 -0.01294 F < 60.0 24.0 :::; p :::; 28.0 3.1200 -0.03250 F < 60.0 28.0 < p :::; 45.0 2.0353 -0.00412 P =Percent of Rated Core Power F =Percent of Rated Core Flow FIGURE 3-28 Power-Dependent MCPR Limit (MCPRp) versus Core Power (Main Turbine Bypass System Inoperable and/or Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 22
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 2.8 I ~ 60% Flow I 2.6 0.
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MCPRp(TLO) =A+ B*P MCPRp(SLO) =MCPRp(TLO) + 0.04
'* :. Flow* *' . Power *,A.* B F;:: 60.0 24.0 :5 p :5 28.0 3.4100 -0.03000 F;:: 60.0 28.0 < p :5 45.0 2.5424 -0.01294 F < 60.0 24.0 :5 p :5 28.0 3.1200 -0.03250 F < 60.0 28.0 < p :5 45.0 2.6706 -0.01824 P =Percent of Rated Core Power F =Percent of Rated Core Flow FIGURE 3-2C Power-Dependent MCPR Limit (MCPRp) versus Core Power (High Pressure Feedwater Heaters Out of Service) 23
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.30
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A B 45.0 < p s 60.0 1.6700 -0.00867 60.0 < p s 85.0 1.3708 -0.00368 85.0 < p s 100.0 1.3867 -0.00387 P =Percent of Rated Core Power FIGURE 3-3A Power-Dependent MCPR Multiplier (Kp) versus Core Power 24 J
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Kp =A+ B*P Power, A B 45.0 < p s 60.0 1.5320 -0.00560 60.0 < p s 85.0 1.3808 -0.00308 85.0 < p s 100.0 1.3867 -0.00387 P =Percent of Rated Core Power FIGURE 3-38 Power-Dependent MCPR Multiplier (Kp) versus Core Power (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 25
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95 100 Core Power(% of Rated)
Kp =A+ B*P Power A B 45.0 < p :5 60.0 1.6700 -0.00867 60.0 < p :5 85.0 1.3012 -0.00252 85.0 < p :5 100.0 1.5800 -0.00580 P =Percent of Rated Core Power FIGURE 3-3C Power-Dependent MCPR Multiplier (Kp) versus Core Power (High Pressure Feedwater Heaters Out of Service) 26
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 1.60 1.58 1.58
~
I
..... 1.56 I MOC2- EOC 1.56 .....
.E 1.54 1.54 .E
- J :J 0:: 1.52 1.52 0::
~ 1.50 1.50 ~
2 1.48 1.46 1 MOC1 - MOC2 t- 1.48 2 1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 I
I BOC-MOC1 ~ 1.38 1.36 1.36 1.34 1.34 1.32 1.30 -
0.0 0.3 0.5 0.8 1.0 1.32 1.30 E'xp6sur~ Range .QLMCPR1Twi ,
... 't,,,; 0.0 't = 1.0 BOC- MOC1 1.31 1.42 MOC1 - MOC2 1.41 1.52 MOC2-EOC 1.43 1.54 FIGURE 3-4A-1 TLO MCPR Limits versus Average SCRAM Time 27
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 I MOC2-EOC 1.68 1-:: 1.68 I
1.66 1.66 1.64 1.62 1.60
- ----- ---- ----- 1.64 1.62 1.60 1.58 1.58 I MOC1 - MOC2 ~
- 1.56
- 1.56 -
.E
- i
~
1.54 1.52
~ 1.50
----- ------ 1.54 .E
- i 1.52 ~
1.50 ~
2 1.48 1.46 1.48 2 1.46 1.44 1.44 1.42 1.42 I
BOC -MOC1 I--
1.40 1.40 I
1.38 1.38 1.36 1.36 1.34 1.32 1.30 0.0
0.3 0.5 0.8 1.0 1.34 1.32 1.30
. OLMCPR(rLo) .
- Exp~sure Range i= 0.0 .. . ~:::: 1.0 BOC- MOC1 1.32 1.45 MOC1 - MOC2 1.42 1.55 MOC2-EOC 1.54 1.67 FIGURE 3-4A-2 TLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service) 28
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.7a 1.7a 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.6a 1.6a
~
I 1.58 I MOC2- EOC 1.58
.... 1.56 1.56 ....
.E 1.54 1.s4 .E
- J 0:: 1.52
- J 1.52 0::
~ 1.5a
- a: 1.48 1 MOC1 - MOC2 t- 1.5a ~
1.48 :a:
1.46 1.46 1.44 1.44 1.42 1.42
~
I 1.4a I BOC-MOC1 1.4a 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.3a 1.3a a.a a.3 a.5 a.8 1.a OLMCPRcrLO)
Exposure Range
-r=O.O 't = 1.0 BOC- MOC1 1.34 1.44 MOC1 - MOC2 1.43 1.54 MOC2-EOC 1.45 1.56 FIGURE 3-4A-3 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Bypass System Inoperable) 29
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 I MOC2-EOC l 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 : MOC1 - MOC2 I- 1.60 1.58 1.58
.... 1.56
.E
- i 1.54 0:: 1.52 1.56 ....
1.54 .E
- i 1.52 0::
~ 1.50 1.50 ~
a 1.48 1.46
- 1.48 1.46 a
I 1.44 1.42 I BOC-MOC1 I- 1.44 1.42 1.40 1.40 1.38 1.36
- ~ 1.38 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPR(TLO)
Exposure.Range
. -r.=0.Q* ; k" 't = 1.0 BOC - MOC1 1.35 1.49 MOC1 - MOC2 1.44 1.58 MOC2-EOC 1.57 1.71 FIGURE 3-4A-4 TLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service
& Main Turbine Bypass System Inoperable) 30
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 1.60 1.58 1.58
.....E
.... 1.56 1.56
.E 1.54 1.54
- i 1.52
- i 0:: 1.52 0::
c..
~
I
~ 1.50 I BOC-EOC 1.50 ()
a 1.48 1.48 a 1.46 1.46 1.44 1.42 1.40
- 1.44 1.42 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPR(TLOl Exposure Range
't'=O.O I. 't' =1.0 BOC-EOC 1.43 I 1.54 FIGURE 3-4A-5 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 31
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70
~
I 1.68 I MOC2-EOC 1.68 1.66 1.66 1.64 1.62 1.60
- ---- - ---- ----- 1.64 1.62 1.60 1.58 1.58
.. 1.56 I MOC1 -MOC2 I- 1.56 ..
.E
.E 1.54 1.54
- J :J 0::: 1.52 1.52 0:::
I
~ 1.50 a 1.40 I BOC-MOC1 I- 1.50 ~
1.4a a 1.46 1.46 1.44 1.42 1.40
- 1.44 1.42 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
Exposure Range
. . . *** .1" =*0.0 . . . 1"=*1.0 ...
- BOC - MOC1 1.43 1.54 MOC1 - MOC2 1.43 1.55 MOC2-EOC 1.54 1.67 FIGURE 3-4A-6 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c
& EOC-RPT Out of Service) 32
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 1.60 1.58
... 1.56 I
I MOC2-EOC r- 1.58 1.56 ...
- e
- i 1.54 1.54 *e
- i 0::: 1.52 1.52 0:::
~ 1.50 a 1.40 I
I BOC-MOC2 r- 1.50 ~
1.40 a 1.46 1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
" :
- OLMCF'R(TLO). *.. _'.
Expo$ure Range *
-r"= 0.0 't = 1.0 BOC-MOC2 1.43 1.54 MOC2-EOC 1.45 1.56 FIGURE 3-4A-7 TLC MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c
& Main Turbine Bypass System Inoperable) 33
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 I MOC2-EOC ~ 1.72 I
1.70 1.70 1.68 1.66 1.64
----- ---- ~
1.68 1.66 1.64 1.62 1.62 1.60 : MOC1 - MOC2 ~ 1.60 1.58
.... 1.56
.E i----
--- ------ ----- 1.58 1.56 ....
.E 1.54 1.54
- i :::i 0:: 1.52 1.52 0::
r; 1.50
~
~ I I BOC-MOC1 f- 1.50 r; 2 1.48 1.48 2 1.46 1.46 1.44 1.42 1.40
- ~
1.44 1.42 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
. ' OL,MCPRcrLO)
.. Ex:posure Range '; . *-r= 0.0 ' " .'t = 1.0 BOC - MOC1 1.43 1.54 MOC1 - MOC2 1.44 1.58 MOC2-EOC 1.57 1.71 FIGURE 3-4A-8 TLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c
& EOC-RPT Out of Service
& Main Turbine Bypass System Inoperable) 34
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 1.60 1.58 1.58 I
.... 1.56
.E 1.54 I MOC2-EOC f- 1.56 ....
1.54 .E
- J :J 0::: 1.52 1.52 0:::
~ 1.50 1.50 ~
a 1.48 I I MOC1 - MOC2 f- 1.48 a 1.46 1.46 1.44 1.44 1.42 1.40 1.38
- I I BOC - MOC1 f-1.42 1.40 1.38 1.36 1.36 1.34 1.34 1.32 1.30 -
0.0 0.3 0.5 0.8 1.0 1.32 1.30 OLMCPR(TLO)'
Exposure R~nge
- , 't =0.0 ; 't =1.0 ..
BOC- MOC1 1.31 1.42 MOC1 - MOC2 1.41 1.52 MOC2-EOC 1.44 1.54 FIGURE 3-4A-9 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service) 35
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.7a 1.7a I
1.68 MOC2-EOC f- 1.68 I
1.66 1.66 1.64 1.64 1.62 1.62 1.6a 1.6a
.E
- J 1.58
..... 1.56 1.54 0::: 1.52 ---- ---- ---- ------ ---- I I MOC1 -MOC2 ~
1.58 1.56 .....
1.54 .E
- J 1.52 0:::
~ 1.5a 2 1.48 1.46 1.44 1.42 1.4a --- ---- - ---- -
I BOC-MOC1
~
f-1.5a ~
1.48 2 1.46 1.44 1.42 I 1.4a 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.3a 1.3a a.a a.3 a.5 a.8 1.a OLMCPR(TLO)
Expos.ure Range
, 't =.0.0 . ; 't = 1.0 BOC- MOC1 1.32 1.45 MOC1 - MOC2 1.42 1.55 MOC2-EOC 1.54 1.67 FIGURE 3-4A-10 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service
& EOC-RPT Out of Service) 36
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 1.60 1.58 I I MOC2-EOC ~ 1.58
.... 1.56 1.56 ....
'§ 1.54 1.54 '§
- i ::i 0::: 1.52 1.52 0:::
~ 1.50 I
I MOC1 -MOC2 ~ 1.50 ~
- a: 1.48 1.48 ::?!
1.46 1.46 1.44 1.44 1.42 1.42 I
1.40 BOC-MOC1 I- 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPR(TLO) '.
. Exposure Range .
-r= 0.0 't =1.0 BOC - MOC1 1.34 1.44 MOC1 - MOC2 1.43 1.54 MOC2-EOC 1.45 1.56 FIGURE 3-4A-11 TLC MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service
& Main Turbine Bypass System Inoperable) 37
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 I
1.72 I MOC2-EOC I- 1.72 1.7a 1.7a 1.68 1.68
~
1.66 1.66 1.64 1.64 1.62 1.6a 1.58
~
: MOC1 - MOC2 ~
1.62 1.6a 1.58
.... 1.56 1.56 ....
.E - .E 1.54 1.54
- i :i 0::: 1.52 1.52 0:::
~ 1.5a
---- 1.5a ~
~ 1.48 1.46 1.44
--- I I ------
BOC-MOC1 ~
1.48 ~
1.46 1.44 1.42 1.42 1.4a 1.4a 1.38 ___......- 1.38 1.36 1.34
.........- 1.36 1.34 1.32 1.32 1.3a 1.3a a.a a.3 a.5 a.8 1.a OLMCPR(TLO)
- Exposure Range
- . 't = 0.0 't = 1.0 BOC- MOC1 1.35 1.49 MOC1 - MOC2 1.44 1.58 MOC2-EOC 1.57 1.71 FIGURE 3-4A-12 TLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service
& EOC-RPT Out of Service
& Main Turbine Bypass System Inoperable) 38
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 I
1.60 MOC2-EOC I- 1.60 1.58 1.58
... 1.56 1.56 ...
.E 1.54 1.54 .E
- .J :.J 0:: 1.52 I
I MOC1 - MOC2 I- 1.52 0::
~ 1.50 1.50 ~
2 1.48 1.46 - I 1.48 2 1.46 1.44 I BOC -MOC1 1--- 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
't
.. OLMCPRcsLO)' ..
Exposure Range
-r = o;o 't = 1.6 BOC - MOC1 1.46 1.46 MOC1 - MOC2 1.46 1.56 MOC2-EOC 1.47 1.58 FIGURE 3-48-1 SLO MCPR Limits versus Average SCRAM Time 39
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74
~
1.72 I MOC2-EOC 1.72 I
1.70 1.70 1.68 ~
1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60
~
I MOC1 - MOC2 I- 1.60 1.58 1.58
... 1.56
1.56 ...
- e 1.54 1.54 *e
- J 0:: 1.52
~ 1.50 2 1.48 ~
- ------- I
- J 1.52 0::
1.50 ~
1.48 :iii:
1.46 I BOC-MOC1 I- 1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPR1sLoJ*
Exposure Range
'. '.'t =0.0 .'t =1.0 BOC- MOC1 1.46 1.49 MOC1 - MOC2 1.46 1.59 MOC2-EOC 1.58 1.71 FIGURE 3-48-2 SLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service) 40
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 I
1.62 I MOC2-EOC I- 1.62 1.60 1.60 1.58 1.58
..... 1.56 1.56 .....
.E
- i 1.54 I I MOC1 - MOC2 I- 1.54 .E
- i 0:: 1.52 1.52 0::
~ 1.50 1.50 ~
2 1.48 1.48 2 I
1.46 1.44 I BOC-MOC1 f- 1.46 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
. " OLMCPRcsLOl Exposure Range
-.= 0.0 't = 1.0 BOC- MOC1 1.46 1.48 MOC1 - MOC2 1.47 1.58 MOC2-EOC 1.49 1.60 FIGURE 3-48-3 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Bypass System Inoperable) 41
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0
~::~ 1----------1---------+----------+-----,c=--=----1
_i.----
~::~
1.58 1---------+--------+------=~---;:=-----------j 1.58
.... 1.56 1.56 ....
.E 1.54 ___ ,,,,_...... 1.54 .E
- J 0:: 1.52 ----~ ----- 1.52 :J 0::
~ 1.50 ----- : BOC - MOC1 f- 1.50 ~
- a: 1.48 1.48 :a:
1.46 1.46 1.<< 1M 1.42 1.42 1.40 1.40 1.38 1.38 1~ 1.~
1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPR(sLo)
..:Exposure Range e .* -r=O.O . .t = 1.0 BOC- MOC1 1.46 1.53 MOC1 - MOC2 1.48 1.62 MOC2-EOC 1.61 1.75 FIGURE 3-48-4 SLO MCPR Limits versus Average SCRAM Time (EOC-RPT Out of Service
& Main Turbine Bypass System Inoperable) 42
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 1.60 1.58 1.58
- e:J...
... 1.56 1.56
- e
- J 1.54 I I BOC-EOC ~ 1.54 0:: 1.52 1.52 0::
~ 1.50 1.50 c..
(.)
a 1.48 1.48 a 1.46 1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
.OLMCPR(sLof
.. Exposure Rani:ie I . *<t=1.0*'
<t=*o.o BOC-EOC 1.47 I 1.58 FIGURE 3-48-5 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c) 43
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 I
1.72 I MOC2-EOC I-:: 1.72 1.70 1.70 1.68 1.66 1.64 1.62
~ ~
-------- 1.68 1.66 1.64 1.62
~
1.60 I MOC1 -MOC2 I- 1.60 1.58 1.58
.... 1.56 1.56 ....
.E 1.54 I I
BOC -MOC1 ~ 1.54 .E
- J :J
~ 1.52 1.52 ~
~ 1.50 1.50 ~
- iii: 1.48 1.46 1.44
-- 1.48 :iii:
1.46 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0
.* OLMCf)R(sLOJ .
Exposure Range
-r= 0.0 't = 1.0 BOC - MOC1 1.47 1.58 MOC1 - MOC2 1.47 1.59 MOC2-EOC 1.58 1.71 FIGURE 3-48-6 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c
& EOC-RPT Out of Service) 44
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.7a 1.7a 1.68 1.68 1.66 1.66 1.64 1.64 1.62 I MOC2-EOC [- 1.62 1.6a 1.6a 1.58 1.58
... 1.56 1.56 ...
- e
- i 1.54 I I BOC -MOC2 f- 1.54 *e:::i 0::: 1.52 1.52 0:::
~ 1.5a 1.5a ~
a 1.48 1.48 :ii!!
1.46 1.46 1.44 1.44 1.42 1.42 1.4a 1.4a 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.3a 1.3a a.a a.3 a.5 a.8 1.a OLMCPR1sLOJ Exposure Range
-r.=0.0 -r= 1.0 BOC- MOC2 1.47 1.58 MOC2-EOC 1.49 1.60 FIGURE 3-48-7 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c
& Main Turbine Bypass System Inoperable) 45
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76
__,,,,,. 1.76 1.74 1.74 1.72 1.70
- I MOC2-EOC I-1.72 1.70 I
1.68 1.68 1.66 1.66 1.64 1.62 1.60
-- ------ I I MOC1 - MOC2 I- 1.64 1.62 1.60 1.58 1.58
.... 1.56
__,,,,,. 1.56 ....
t
.E 1.54 I BOC-MOC1 I- 1.54 .E I
- i ::i 0:: 1.52 ....... 1.52 0::
~ 1.50 1.50 ~
- 2: 1.48 1.46 - -----== 1.48 :2:
1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPRcsLo)
Exposure Range
.. , , ' . 't = 0.0 ,c-, -r =J.O BOC - MOC1 1.47 1.58 MOC1 - MOC2 1.48 1.62 MOC2-EOC 1.61 1.75 FIGURE 3-48-8 SLO MCPR Limits versus Average SCRAM Time (Main Turbine Pressure Regulator System Status in TLCO 3.3.13.c
& EOC-RPT Out of Service
& Main Turbine Bypass System Inoperable) 46
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74 1.72 1.72 1.70 1.70 1.68 1.68 1.66 1.66 1.64 1.64 1.62 1.62 1.60 I I MOC2- EOC ~ 1.60 1.58 1.58
.... 1.56 1.56 ....
.E 1.54 1.54 .E
- J 0:: 1.52 I
I MOC1 - MOC2 f- :J 1.52 0::
~ 1.50 1.50 ~
- a: 1.48 1.48 :a:
1.46 1.46 I
1.44 1.42 I BOC-MOC1 I- 1.44 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPR(sLO)
.* Exposure Rang~.
';/ *,. =.o:o. **. .. ::::*1.o BOC - MOC1 1.46 1.46 MOC1 - MOC2 1.46 1.56 MOC2- EOC 1.48 1.58 FIGURE 3-48-9 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service)
I 47
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.76 1.74 1.74
~
I 1.72 MOC2-EOC 1.72 I
1.70 1.70 1.68 1.66 1.64
- ----- ------- ----- 1.68 1.66 1.64 1.62 1.62 I MOC1 -MOC2 1.60 I-: 1.60 I
1.58 1.58
... 1.56
"§ 1.54
- J 0:: 1.52
- ----- ------- ----- 1.56 ...
1.54 "§
- J 1.52 0::
~ 1.50 1.50 ~
2 1.48 1.48 2
~
I 1.46 I BOC - MOC1 1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 OLMCPRcsLO)
~xpqsure:Range
.. ** i- :::*a.a .. -~= 1.a ..
BOC- MOC1 1.46 1.49 MOC1 - MOC2 1.46 1.59 MOC2-EOC 1.58 1.71 FIGURE 3-48-1 O SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service
& EOC-RPT Out of Service) 48
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 . - - - - - - - - - - . - - - - - - - - , . - - - - - - - - - . - - - - - - - - - - - . 1.76 1.74 t--------~--------+---------+---------1 1.74 1.72 t - - - - - - - - - - + - - - - - - - - - + - - - - - - - - - - + - - - - - - - - - - - i 1.72 1.7a t--------~--------+---------+---------1 1.7a 1.68 t--------~--------+---------+---------1 1.68 1.66 1--------~--------+---------+---------1 1.66 1.64 r----------t----------t--------1;:============::::;-1 1.64 1.62 t - - - - - - - - - + - - - - - - - - - + - - - - - - - - H : MOC2 - EOC ~ 1.62 1.6a 1.6a 1.58 1.58
... 1.56 1.56 ...
.E 1.54 : MOC1 - MOC2 I- 1.54 .E
- i ::i 0:: 1.52 1.52 0::
~ 1.5a 1.5a ~
2 1.48 1.48 2 1.46 : BOC - MOC1 I- 1.46 1.44 1---------4--------+--------+============~ 1.44 1.42 t--------~--------+---------+---------1 1.42 1.4a t--------~--------+---------+---------1 1.4a 1.38 1--------~--------+---------+---------1 1.38 1.36 t--------~--------+---------+---------1 1.36 1.34 t--------~--------+---------+---------1 1.34 1.32 o - - - - - - - - - - + - - - - - - - - - + - - - - - - - - - - + - - - - - - - - - - - i 1.32 1.3a ~--------'"---------+---------'"----------' 1.3a a.a a.3 a.5 a.8 1.a OLMCPRcsLO)*
J:xposure Ran~e '
' ' ,, i-= 0.0 i-= .1.0:
BOC- MOC1 1.46 1.48 MOC1 - MOC2 1.47 1.58 MOC2-EOC 1.49 1.60 FIGURE 3-48-11 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service
& Main Turbine Bypass System Inoperable) 49
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.76 1.74 1.72
- I
-- ~
1.76 1.74 1.72 1.70 I MOC2-EOC 1.70 1.68 1.68 1.66 1.66 1.64 - ~ I I MOC1 - MOC2 I- 1.64 1.62 1.62 i---
1.60 1.60 1.58
... 1.56
-- --- ----- 1.58 1.56 ...
.E 1.54 1.54 .E
- i
~ 1.52
- ::i 1.52 ~
I I-
~ 1.50 I BOC-MOC1 1.50 ~
2 1.48 1.48 2 1.46 1.46 1.44 1.44 1.42 1.42 1.40 1.40 1.38 1.38 1.36 1.36 1.34 1.34 1.32 1.32 1.30 1.30 0.0 0.3 0.5 0.8 1.0 T
OLMCPRtsLO)
Exposure Range i-="0.0 T = f.0.
BOC- MOC1 1.46 1.53 MOC1 - MOC2 1.48 1.62 MOC2-EOC 1.61 1.75 FIGURE 3-48-12 SLO MCPR Limits versus Average SCRAM Time (High Pressure Feedwater Heaters Out of Service
& EOC-RPT Out of Service
& Main Turbine Bypass System Inoperable) 50
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 4.0 LHGR OPERATING LIMITS (Technical Specification 3.2.3)
For both two loop operation (TLO) and single loop operation (SLO), the LHGR operating limit for each six inch axial segment of each fuel rod in the core is the applicable rated-power, rated-flow LHGR limit taken from Table 4-1 multiplied by the smaller of either:
- a. The flow-dependent multiplier, LHGRFACF, as determined by Table 4-2,
- b. The power-dependent multiplier, LHGRFACp, as determined by Table 4-3.
Table 4-1 shows the exposure-dependent LHGR limits for all fuel types in the core, as a function of initial gadolinium concentration in a six inch segment of a fuel rod. For exposures between the values shown in Table 4-1, the LHGR limit is based on linear interpolation. For illustration purposes, Figures 4-3A and 4-38 show the LHGR limits for fuel segments with the lowest (U0 2 )
and highest (U0 2 +Gd 2 0 3 ) initial Gd concentrations.
These limits apply to operation with vessel dome pressure within +/- 10 psi of nominal pressure, as defined by the Region I pressure band shown in Figure 5-1. With all equipment in service or with the EOC-RPT system out of service, operation with vessel dome pressure down to 40 psi below nominal is licensed provided the. additional restrictions identified in Section 5.0 are applied with the LHGR operating limit defined in this section.
TABLE 4-1 LHGR Limits versus Peak Pellet Exposure
((
))
51
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLE 4-2 Flow-Dependent LHGR Operating Flexibility Options
. LHGRFAC ., .
.... ',, ,* ; ' ' .. ~-
... . ;'. :::* . . . . . - .. F .. *.:; .... *,
Equipment In or Out of Service Fuel Type EOC-RPT Main Turbine Main Turbine Hig_h Pressure Figure#
S't_stem B't_Q.ass S't_stem Pressure Reg_ulator Feedwater In Service OQ.erable* S't_stem Status Heaters In Service Yes/No Yes/No TLCO 3.3.13.a orb Yes/No 4-1A GE14C Yes/No Yes/No TLCO 3.3.13.c Yes 4-1A Yes/No Yes/No TLCO 3.3.13.c No Not Licensed Yes/No Yes. TLCO 3.3.13.a or b Yes/No 4-18 Yes/No Yes TLCO 3.3.13.c Yes 4-18 GNF2
& Yes/No No TLCO 3.3.13.a orb Yes/No 4-1C GNF3 LTA Yes/No No TLCO 3.3.13.c Yes 4-1C Yes/No Yes/No TLCO 3.3.13.c No Not Licensed TABLE 4-3 Power-Dependent LHGR Operating Flexibility Options
- LHGRFACi>
Equipment In or Out of Service Fuel Type EOC-RPT Main Turbine Main Turbine Hig_h Pressure Figure#
S't_stem B"t.Q.ass S't_stem Pressure Reg_ulator Feedwater In Service OQ.erable* S't_stem Status Heaters In Service GE14C Yes/No Yes/No TLCO 3.3.13.a or b Yes 4-2A
& Yes/No Yes/No TLCO 3.3.13.c Yes 4-2A GNF2
& Yes/No Yes/No TLCO 3.3.13.a or b No 4-28 GNF3 LTA Yes/No Yes/No TLCO 3.3.13.c No Not Licensed
- At least two bypass valves must be operable 52
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.0
~ 0.9 I TLO
/
I /
u..
0::: V"
/
C)
- I:
_J i 0.8 HTL01~
~
- i I SLO I a /
0::: 0.7 C)
- I:
...c:
_J V'"
Q)
-g 0.6 Q) c.
Q) c
~
ii: 0.5 0.4 30 40 50 60 70 80 90 100 110 Core Flow (% of Rated)
LHGRFACF =A+ B*F Flow. TLO/SLO A B 30.0 ::;; F < 80.3 TLO 0.4574 0.006758 80.3::;; F TLO 1.0000 0.000000 30.0::;; F < 50.7 SLO 0.4574 0.006758 50.7::;; F SLO 0.8000 0.000000 F =Percent of Rated Core Flow FIGURE 4-1A GE14C Flow-Dependent LHGR Multiplier (LHGRFACF) versus Core Flow 53
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0
~
1.0 0.9 I TLO
/
I v LI..
0::: V"
/
C)
J:
..J
~ 0.8
~
- I TLO/SLO 1/ I SLO I
- 2E /
0::: 0.7 C)
J:
v
..J cCl
/
~ 0.6 0
Cl Cl.
Cl v
~
~ 0.5 0.4 30 40 50 60 70 80 90 100 110 Core Flow (% of Rated)
LHGRFACF= A+ B*F Flow TLO/SLO A B 30.0 :;;; F < 50.0 TLO/SLO 0.2000 0.01190 50.0 :;;; F < 80.0 TLO 0.4567 0.00677 80.0 :;;; F < 90.0 TLO 0.9820 0.00020 90.0:;;; F TLO 1.0000 0.00000 50.0:;;; F < 50.7 SLO 0.4567 0.00677 50.7s;F SLO 0.8000 0.00000 F =Percent of Rated Core Flow FIGURE 4-18 GNF2 & GNF3 LTA Flow-Dependent LHGR Multiplier (LHGRFACF) versus Core Flow 54
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 v
1.0 I TLO I
~ /
ll.
0::
0.9 v
/
(!)
- r:
..J
~ 0.8 I I c.
- i
- a I SLO v
0:: 0.7
(!)
- r:
..J c
I TLO/SLO I Q)
~
-g v
0.6 Q)
- c. ~
Q) c
~
ii: 0.5 0.4 30 40 50 60 70 80 90 100 110 Core Flow(% of Rated)
LHGRFACF =A + B*F
- Flow JLO/SLO "
.A '*", ,, .
e*: ,
30.0 s F < 50.0 TLO/SLO 0.3800 0.00490 50.0 s F < 60.0 TLO/SLO -0.2100 0.01670 60.0 s F < 90.0 TLO 0.3900 0.00670 90.0 s F < 100.0 TLO 0.9300 0.00070 100.0 s F TLO 1.0000 0.00000 60.0 s F < 61.2 SLO 0.3900 0.00670 61.2 s F SLO 0.8000 0.00000 F =Percent of Rated Core Flow FIGURE 4-1C GNF2 & GNF3 L TA Flow-Dependent LHGR Multiplier (LHGRFACF) versus Core Flow (Main Turbine Bypass System Inoperable) 55
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.1 0:
~
1.0
,.,,,. ~
u.
0:: ~
Cl ~,.,,,.
- r: 0.9
'ti"'
.!!! /
c.
- /
/
'5 0.8
- 2i 0:: _/
v Cl
- r:
...c:
..J
,.,,,.,.,,,.~ --
0.7 ~-
GI "C
c:
GI c.
GI c 0.6 r!
- 0 ll.
I < 60% Flow I 0.5 I
~ I I <: 60% Flow I 0.4
~ ~ ~ ~ ~ << ~ ~ ~ ~ ~ M n n ~ M M ~ 00 100 Core Power (% of Rated)
LHGRFACp= A+ B*P Flow Power. A 8 F;:: 60 24.0 :::; p :::; 28.0 0.4000 0.00250 F < 60 24.0 :::; p :::; 28.0 0.3400 0.00500 All 28.0 < p :::; 45.0 0.4774 0.00524 All 45.0 < p :::; 60.0 0.6320 0.00180 All 60.0 < p :::; 85.0 0.3032 0.00728 All 85.0 < p:::; 100.0 0.4800 0.00520 P =Percent of Rated Core Power F =Percent of Rated Core Flow FIGURE 4-2A Power-Dependent LHGR Multiplier (LHGRFACp) versus Core Power 56
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 1.1 1.0 Et
~
LL /
a::
(!)
/
v
- c 0.9
~
- /
- ii a::
(!)
- c 0.8 v
...J c:
Q) 0.7
,,..--- ~-
~
'C c:
Q) c.
Q)
~
0 0.6 Q)
- s:0 D..
I < 60% Flow I 0.5 I
~ I I <! 60% Flow I 0.4
~ ~ ~ ~ ~ M ~ ~ ~ ~ M ~ n n M M ~ ~ % 100 Core Power(% of Rated)
LHGRFACp= A+ B*P Flow Power* A B F;:: 60 24.0::; p::; 28.0 0.4000 0.00250 F < 60 24.0 ::; p ::; 28.0 0.3400 0.00500 All 28.0 < p ::; 45.0 0.4774 0.00524 All 45.0 < p ::; 60.0 0.6320 0.00180 All 60.0 < p ::; 80.0 0.7130 0.00045 All 80.0 < p::; 100.0 -0.2550 0.01255 P =Percent of Rated Core Power F =Percent of Rated Core Flow FIGURE 4-28 Power-Dependent LHGR Multiplier (LHGRFACp) versus Core Power (High Pressure Feedwater Heaters Out of Service) 57
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0
))
FIGURE 4-3A GE14C LHGR Limit versus Peak Pellet Exposure 58
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0
((
))
FIGURE 4-38 GNF2 & GNF3 LTA LHGR Limit versus Peak Pellet Exposure 59
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 5.0 OPERATING PRESSURE LIMITS For both two loop operation (TLO) and single loop operation (SLO), reactor dome pressure must be maintained within the licensed pressure bands defined by Figure 5-1. For operation in each of these regions, the following restrictions apply:
- a. For Region I operation:
The core operating limits from Sections 2.0 through 4.0 are applicable.
- b. For Region II and Region Ill operation:
- 2) The core operating limits from Sections 2.0 are applicable
- 3) The MFLCPR and MFLPD thermal limit ratios must remain below the maximum values determined by Table 5-1.
The MFLCPR and MFLPD thermal limit ratios are defined in terms of the core operating limits defined in Section 3.0 and Section 4.0.
The MFLCPR thermal limit ratio is the most limiting (maximum) value of the Fraction of Limiting Critical Power Ratio (FLCPR) in the core. The FLCPR is defined for each fuel assembly in the core as:
MCPRumit FLCPR = Fuel Assembly Minimum Critical Power Ratio where: MCPRumit = MCPR operating limit defined in Section 3.0 60
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 The MFLPD thermal limit ratio is the most limiting (maximum) value of the Fraction of Limiting Power Density (FLPD) in the core. The FLPD is defined for each six inch axial segment of each fuel rod in the core as:
Peak kW/ft power generated in a fuel rod segment FLPD =
LHGRumit where: LHGRumit = LHGR operating limit defined in Section 4.0 The licensed equipment conditions for operation with dome pressures in Region 11 and Region Ill of Figure 5-1 are defined in Table 5-1.
TABLE 5-1 Pressure Dependent Operating Flexibility Options
.. Thermal LlrriitRatic>s for R~docecl"Rressure,Opet~tion . }~:,.
- ' '. ;~
- *
'- ,...,*, '*' *;.~ l* : \ .*. ".i"* *; .. ,, .,
Equipment In or Out of Service EOC-RPT Main Turbine Main Turbine Hig_h Pressure Table#
Svstem B'f.eass S'f.sfem Pressure Regulator Feedwater Heaters In Service Oeerable* S'f.stem Status In Service Yes Yes TLCO 3.3.13.a orb Yes 5-2 No Yes TLCO 3.3.13.a orb Yes 5-3 Flexibility Option Yes/No No TLCO 3.3.13.a orb Yes Not Licensed Flexibility Option Yes/No Yes/No TLCO 3.3.13.c Yes Not Licensed Flexibility Option Yes/No Yes/No TLCO 3.3.13.a or b No Not Licensed Flexibility Option Yes/No Yes/No TLCO 3.3.13.c No Not Licensed
- At least two bypass valves must be operable 61
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 TABLE 5-2 Maximum Thermal Limit Ratios for Equipment In Service Operation
'* '* <: ' *: " ,. ,' , ~- . , Dome Pr~ssui~ B~n"~ frt,lin FigVrn ~+ >:*
Limit Ratio Reg_ion I Reg_ion II Reg_ion Ill MFLCPR 1.00 1.00 0.95 MFLPD 1.00 0.95 0.84 TABLE 5-3 Maximum Thermal Limit Ratios for EOC-RPT Out of Service Operation
- .
- oc>m.e Pri:i.~sure* Ba~d from Figure.~~1.
~
.:i, Limit Ratio Reg_ion I Reg_ion II Reg_ion /ff MFLCPR 1.00 1.00 0.92 MFLPD 1.00 0.95 0.84 62
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprie tary Information Version 1.0 jQQQ~ _ l::=::=!:::lt::===l====+/-:::::::'lr:::+/-===+/-==:::+/-::===:+/-:::==::+/-::==::+/-:::==:+/-===+/-===+/-::::==+/-===+/-::===l=::==l=::==I..
1058 .0 1058.0 1040 .0 Ci 1020.0
- c;;
E:
~ 1000.0 VJ VJ
~
a..
~ 980.0 0
0 960 .0 940 .0 920 .0 20 :25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 24 Core Power(% of Rated) 2 P = A+ B*(CP) + C*(CP)
Dome Pressure Curves Core Power A B c Nominal Dome Pressure (Pnom) 24 :5 CP :5 100 958 .30 0.300 0.0057 Region I Upper Boundary (Pnom+10) 24 :5 CP :5100 968 .30 0.300 0.0057 Region I Lower Boundary (Pnom-10) 24 :5 CP :5100 948.30 0.300 0.0057 Region II Lower Boundary (Pnom-20) 24 :5 CP :5 100 938.30 0.300 0.0057 Region Ill Lower Boundary (Pnom-4o) 24 :5 CP :5 100 918.30 0.300 0.0057 GP =Percent of Rated Core Power P = Reactor Dome Pressure (psig)
FIGURE 5-1 Licensed Regions of Operating Dome Pressure versus Core Power 63
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0 6.0 PBDA AMPLITUDE SETPOINT The amplitude trip setpoint in the Period Based Detection Algorithm in the OPRM system must be set equal to one of the licensed values reported in Table 6-1. This applies to instruments 2C51 K615 A, B, C, and D.
TABLE 6-1 Licensed OPRM Amplitude Setpoints OpRM Setpoint 1.12 1.15 64
Plant Hatch Core Operating Limits Report Unit 2 Cycle 25 Non-Proprietary Information Version 1.0
7.0 REFERENCES
- 1. Global Nuclear Fuel Document NEDE-24011-P-A-22, "General Electric Standard Application for Reactor Fuel," November 2015, and the US Supplement, NEDE-24011-P-A-22-US, November 2015.
- 2. Southern Nuclear Operating Company Document NFD-H-16-407 "Hatch-2 Cycle 25 Reload Licensing Analysis Report," Version 1.0, December 2016.
- 3. Global Nuclear Fuel Document 002N6847, "Supplemental Reload Licensing Report for Hatch 2, Reload 24, Cycle 25," Revision 1, November 2016.
- 4. Global Nuclear Fuel Document 002N6848, "Fuel Bundle Information Report for Hatch 2, Reload 24, Cycle 25," Revision 0, November 2016.
- 5. Global Nuclear Fuel Document NEDC-32868P, "GE14 Compliance with Amendment 22 of NEDE-24011-P-A (GESTAR //)," Revision 6, March 2016.
- 6. Global Nuclear Fuel Document NEDC-33270P, "GNF2 Advantage Generic Compliance with NEDE-24011-P-A (GESTAR //),"Revision 6, March 2016.
65