ML20082M823
| ML20082M823 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 08/09/1991 |
| From: | Carmody J, Dennin E PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | |
| Shared Package | |
| ML20082M812 | List: |
| References | |
| PECO-COLR-L1R3, PECO-COLR-L1R3-R01, PECO-COLR-L1R3-R1, NUDOCS 9109060025 | |
| Download: ML20082M823 (20) | |
Text
{{#Wiki_filter:. I 4 ENCLOSURE PECO Fuel Management Section PECO-COLR-L1R3 L1R3 Core Operating Limits Report Page 1, Rev. 1 CORE OPERATING LIMITS REPORT i FOR LIMERICK GENERATING STATION UNIT 1 RELOAD 3, CYCLE 4 , i I t
?
Prepared By: f' h- Date: E E!'N / i E.P. Dennin Engincer . Reviewed By: ' Date: !4 /
/ ll Independent Reviewer [
Approved By: Y <.- Date: E" -% , v ~ J.M. Carmody Supervising Engineer ; I I 9109060025 910327 PDR ' l P ADOCK O*5000352 PDR
i
- PECO Fuel Management Section PECO-COLR-L1R3 L1R3 Care-Operating Limits Report Page 2, Rev.- 1 LIST OF EFFECTIVE PAGES Page(s) -Revision 1-20 1 l
PECO Fuel Management Section PECO-COLR-LlR3 L1R3 Core Operating Limits Report Page 3, Rev. 1 INTRODUCTION AND
SUMMARY
This report provides the cycle-specific parameter limits for: Average Planar Linear Heat Generation Rate ( APLHGR) ; Minimum Critical Power Ratio (MCPR); Flow Adjustment Factor (Kg) ; Linear Heat Generation Rate (LHGR); and Rod Block Monitor flow biased upscale and:high flow clamped setpoints for Limerick Generating Station Unit 1, Cycle 4, Reload 3. These values have been determined using NRC-approved methodology and are established such that all applicable limits of the plant safety analysis are met. This report is submitted in accordance with Technical Specification 6.9.1 of Reference (1). Preparation of this report was performed in accordance with PECO Nuclear Group Procedure NP-llF122. APLHGR LIMITS The limiting APLHGR value for the most limiting lattice (excluding natural uranium) of each fuel type as a function of AVERAGE PLANAR EXPOSURE is given in Figures 1 through 7. Figures 1 through 7 are used when hand calculations are required as specified in Technical Specification 3.2.1. The reduction factor for use during single recirculation loop operation is given in Table 1. These limits are documented in Reference (3). l MCPR LIMITS The MCPR value for use in Technical Specification 3.2.3 for each fuel type is given in Figures 8 through 11. The Kf core flow adjustment factor for use in Technical Specification 3.2.3 is given in Figure 12. These limits are documented in Reference (2). The MCPR values given are the bounding values for Increased Core Flow (up to 105% power), Feedwater Temperature Reduction (up to 60 degrees F), Power Coastdown, and a combination of all cf these options. Curves are also provided for inoperable Recirc Pump Trip or inoperable Steam Bypass System.
-PECO Fuel Management Section PECO-COLR-LlR3
-L1R3 Core Operating Limits Report Page 4, Rev. 1 ROD BLOCK MONITOR SETPOINTS
.The N-value for the RBM flow biased upscale and high flow clamped setpoints for use in Technical Specification 3.3.6 is given in Table 2. This value is documented in Referenes (2). l LINEAR HEAT GENERATION RATES The LHGR value - for use in Technical Specification 3.2.4 for each fuel type is.given in Table 3. These values are documented in Reference (4). l STEAM BYPASS SYSTEM OPERABILITY The operability requirements.for the steam _ bypass system for use'in Technical Specifications 3.7.8 and 4.7.8.C are found in Table 4. If these requirements cannot be met the MCPR limits for inoperable steam bypass system must be used. These values are documented in References (2) and (4).
REFERENCES
- 1) " Technical Specifications and Bases for Limerick Generating Station Unit 1", Docket No. 50-352 Appendix A to License No. NPF-39,
- 2) " Supplemental Reload Licensing Submittal for Limerick Generating Station Unit 1, Reload 3", General Electric Company Document No. 23A6519, Rev. O.
- 3) " Basis for MAPLHGR Technical Specifications for Limerick 1", NEDE-31401-P, August 1990.
- 4) " General Electric Standard Application for Reactor Fuel",
NEDE-24011-P-A-9, latest revision.
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PECC Fuel Management Section PECO-COLR-L1R3 L1R3 Core Operating Limits Report Page 13, Rev. 1 , 1.50 1.50 i, i 1.48 --
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.PECO Fuel ~ Management Section PECO-COIR-LlR3 L1R3 Core Operating ~ Limits Report Page 14, Rev. 1 ;
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i PECO Fuel Management Section PECO-COLR-L1R3 , L1R3 Core Operating Limits Report Page 15, Rev. 1 - 1.50 1.50 1.48 --~ THIS FIGURE IS REFERRED TO BY
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_ _ . _ _ . . - _ . ~ . . . . _ . . . .__ _ _- _ _ . .
PECO Fuel-Management Section PECO-COLR-L1R3 L1R3 Core Operating Limits Report Page 17, Rev. 1 TABLE 1 SINGLE LOOP REDUCTION FACTOR 0.89 THIS TABLE IS REFERRED TO BY ! i
, TECHNICAL SPECIFICATION 3.2.1
j % . PECO Fuel Management Section PECO-COLR-L1R3 . LlR3 Core Operating Limits Report Page 18, Rev. 1 5 f i. t L P TABLE 2 j i ROD BLOCK MONITOR SETPOINT : N=106 r r i l THIS TABLE IS REFERRED TO BY ! ;
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l-PECO Fuel Management Section PECO-COLR-L1R3 LlR3 Core Operating Limits Report Page 19, Rev. 1 TABLE __3. LINEAR HEAT GENERATION RATE LIMITS FUEL TYPE MAXIMUM VALUE BP/P8X8R 13.4 {W/ft GE8X8EB (GE82WR & GE84WR) 14.4 KW/ft i GE8x8NB 14.4 KW/ft THIS TABLE IS REFERRED TO BY
! TECHNICAL SPECIFICATION 3.2.4 '
4 c PECO Fuel 3* stro cr' Section PEco-COLR-LlR3 LiR3 Core JPt n s
- Limits Report Page 20, Rev. 1 TABLE _1 I I '
TURBINE BYPA88 VALVE PARWLETERS k TURBINE BYPASS SYSTEM RESPONSE TIME L Maximum delay time before 0.1 sec ! start of bypass valve opening following generation of the j turbine ~oypass valve flow cignal l Maximum time after generation 0.3 sec y of a turbine bypass valve flow f I signal for bypass valve position to reach 80% of full stroke (includes the above delay time) _ MINIMUM REOUIRED BYPASS VALVES TQ MAINTAIN SYSTEM OPERABILITY. Number of valves = 9 THIS TABLE IS REFERRED TO BY TECHNICAL SPECIFICATIONS 3.7.8 & 4.7.8.C : 1
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