L-2012-165, Emergency Response Data Point Library (Dpl) Changes
| ML12114A057 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 04/12/2012 |
| From: | Katzman E Florida Power & Light Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| L-2012-165 | |
| Download: ML12114A057 (7) | |
Text
0Florida Power & Light Company, 6501 South Ocean Drive, Jensen Beach, FL 34957 FPL.
April 12, 2012 L-2012-165 10 CFR 50. Appendix E U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 RE:
St. Lucie Unit 1 Docket No. 50-33 5 Emergency Response Data Point Library (DPL) Changes This letter is being submitted pursuant to the requirements of I OCFR50, Appendix E, VI, 3.a, "Maintaining the Emergency Response Data System" for St. Lucie Unit 1 due to minor changes to four ERDS data points. These include changes to 2 QSPDS points in how they are now calculated by the new ERDADS and 2 feedwater flow transmitter range changes due to requirements of the Extended Power Uprate (EPU) project.
These changes are summarized on page 2 of Attachment 1 with the affected Data Point Library (DPL) pages on pages 3, 4, 5, and 6. No other DPL points are affected by this change and all originally submitted ERDS points remain available and unchanged.
This information is being provided for compliance with I OCFR50, Appendix E, VI, 3.a, which requires notification within 30 days after the changes are made for any software or hardware changes to any transmitted data points identified in the Data Point Library.
These new point calculations went into effect March 14, 2012 following the just completed installation and testing of the new ERDADS on Unit 1 during the SL 1-24 refueling outage.
Sincerely, Eric S. Katzman Licensing Manager St. Lucie Plant an FPL Group company
L-2012-165 Attachment I Page 1 of 6 ATTACHMENT 1 St Lucie Unit I ERDS Data Point Library Updates SLI
L-2012-165 Page 2 of 6 Page NRC ERDS Original Plant Revised Plant Summary of Revision Parameter Description Description 5
TEMP CORE EX Average Core Exit Max Rep CET Matches the QSPDS Temperature Temperature calculation and is more conservative.
6 SUB MARGIN RCS Low Temp Minimum CET Matches the QSPDS Subcooling Margin Subcooling Margin calculation and is more conservative.
12 MN FD FL 1/A Feedwater Flow A N/A Instrument range increase due to Extended Power Uprate 13 MN FD FL 1/B Feedwater Flow B N/A Instrument range increase due to Extended Power Uprate
L-2012-165 Page 3 of 6 Page 5 of 47 SLI DATA POINT LIBRARY REFERENCE FILE D ate:.........................................
Reactor Unit:...............................
Data Feeder:................................
NRC ERDS Parameter:...................
Point ID:....................................
Plant Spec Point Desc:....................
Generic/Cond Desc:.......................
Analog/Digital:............................
Engr Units/Dig States:....................
Engr Units Conversion:..................
Minimum Instr Range:....................
Maximum Instr Range:...................
Zero Point
Reference:
Reference Point Notes:...................
PROC or SENS:...........................
Number of Sensors:.......................
How Processed:...........................
Sensor Locations:..........................
Alarm/Trip Set Points:....................
NI Detector Power Supply:..............
NI Detector Power Supply:...............
Instrument Failure Mode:................
Temperature Comp-DP Xmitters:.......
Level Reference Leg:.....................
Unique System Desc:.....................
03/14/12 SL1 N/A TEMP CORE EX QA0003-1 MAX REP CET TEMPERATURE Highest Rep CET temperature at the core exit A
Deg F N/A 32 2300 N/A N/A P
45 Max Representative Value with Quality Reactor Internals Variable N/A N/A N/A N/A This parameter is derived from a total of 45 CET detectors (located just above the upper fuel alignment plate) that make up 2 independent channels. Each Qualified Safety Parameter Display System (QSPDS) channel provides a Representative CET value.
The highest of the two channels is provided here if both values are of Good or Poor quality status. If either channel's value is Bad or Off-Scan, then the other channel's Good or Poor value is selected.
If both channels are any combination of Bad/Off-Scan, then the value presented is the Last Good Value obtained and would be represented as Bad quality R1 I RI I RI RI
L-2012-165 Page 4 of 6 Page 6 of 47 SLI DATA POINT LIBRARY REFERENCE FILE Date:....
Reactor Unit:...............................
Data Feeder:................................
NRC ERDS Parameter:...................
Point ID :....................................
Plant Spec Point Desc:....................
Generic/Cond Desc:.......................
Analog/Digital:............................
Engr Units/Dig States:....................
Engr Units Conversion:..................
Minimum Instr Range:....................
Maximum Instr Range:...................
Zero Point
Reference:
Reference Point Notes:...................
PROC or SENS:...........................
Number of Sensors:.......................
How Processed:...........................
Sensor Locations:..........................
Alarm/Trip Set Points:....................
NI Detector Power Supply:..............
NI Detector Power Supply:...............
Instrument Failure Mode:................
Temperature Comp-DP Xmitters:.......
Level Reference Leg:.....................
Unique System Desc:.....................
01/10/2011 SLI N/A SUB MARGIN QA0005-1 MINIMUM CET SUBCOOLING MARGIN Saturation Temp.- Highest Rep CET A
Deg F N/A
-2100 Subcool 700 Subcool N/A N/A P
2 Signal Auctioneering - Minimum Reactor Internals Variable N/A N/A N/A N/A This parameter is derived from 2 subcooled values, TMARCET-A and TMARCET-B which are provided by the Qualified Safety Parameter Display System (QSPDS). They are processed by a signal auctioneering minimum algorithm. This function selects the lower of the two values to represent this point provided both values are of GOOD or POOR quality status. If either channel's value is BAD or OFF-SCAN, then the other channel's GOOD or POOR value is selected. If both channels are any combination of BAD/OFF-SCAN, then the value presented for this point is the last reliable value obtained with a quality status of "BAD".
R2 R2 R2 R2
L-2012-165 Page 5 of 6 Page 12 of 47 SL1 DATA POINT LIBRARY REFERENCE FILE D ate:.........................................
Reactor Unit:...............................
Data Feeder:................................
NRC ERDS Parameter:...................
Point ID:....................................
Plant Spec Point Desc:....................
Generic/Cond Desc:.......................
Analog/Digital:............................
Engr Units/Dig States:....................
Engr Units Conversion:..................
Minimum Instr Range:....................
Maximum Instr Range:...................
Zero Point
Reference:
Reference Point Notes:...................
PROC or SENS:...........................
Number of Sensors:.......................
How Processed:...........................
Sensor Locations:..........................
Alarm/Trip Set Points:....................
NI Detector Power Supply:..............
NI Detector Power Supply:...............
Instrument Failure Mode:................
Temperature Comp-DP Xmitters:.......
Level Reference Leg:.....................
Unique System Desc:.....................
03/14/12 SL1 N/A MN FD FL 1/A QA0025-1 FEEDWATER FLOW A Stm Gen A Main Feedwater Flow A
LBM/HR N/A 0
7,080,000 N/A N/A P
3 Redundant Sensor Algorithm Turbine Building 43 foot level Variable N/A N/A N/A N/A This parameter is the 'A' steam generator main feedwater flow. It is derived from Steam Generator Main Feedwater Flow signals FT09-3A1-1, FT09-3A2-1, and FT09-3A3-1, which are square roots. These signals are processed with a redundant sensor algorithm. This function obtains the average of the current values that have a good status and are close to the statistical majority.
I R3
L-2012-165 Page 6 of 6 Page 13 of 47 SL1 DATA POINT LIBRARY REFERENCE FILE D ate:.........................................
Reactor Unit:...............................
Data Feeder:................................
NRC ERDS Parameter:...................
Point ID:....................................
Plant Spec Point Desc:....................
Generic/Cond Desc:.......................
Analog/Digital:............................
Engr Units/Dig States:...................
Engr Units Conversion:..................
Minimum Instr Range:....................
Maximum Instr Range:...................
Zero Point
Reference:
Reference Point Notes:...................
PROC or SENS:...........................
Number of Sensors:.......................
How Processed:...........................
Sensor Locations:..........................
Alarm/Trip Set Points:....................
NI Detector Power Supply:..............
NI Detector Power Supply:...............
Instrument Failure Mode:................
Temperature Comp-DP Xmitters:.......
Level Reference Leg:.....................
Unique System Desc:.....................
03/14/12 SLI N/A MN FD FL 1/B QA0026-1 FEEDWATER FLOW B Stm Gen B Main Feedwater Flow A
LBM/HR N/A 0
7,078,000 N/A N/A P
3 Redundant Sensor Algorithm Turbine Building 43 foot level Variable N/A N/A N/A N/A This parameter is the 'B' steam generator main feedwater flow. It is derived from Steam Generator Main Feedwater Flow signals FT09-3 B I -1, FT09-3 B2-1, and FT09-3 B3-1, which are square roots. These signals are processed with a redundant sensor algorithm. This function obtains the average of the current values that have a good status and are close to the statistical majority.
R3 R2