ML14302A070
| ML14302A070 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 10/22/2014 |
| From: | Daugherty J Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 14-523 | |
| Download: ML14302A070 (12) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 October 22, 2014 U.S. Nuclear Regulatory Commission Serial No.:
14-523 Attn: Document Control Desk NAPS/JHL Washington, DC 20555 Docket No.:
50-339 License No.:
NPF-7 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
NORTH ANNA POWER STATION UNIT 2 EMERGENCY RESPONSE DATA SYSTEM (ERDS)
DATABASE UPDATES Pursuant to 10 CFR 50, Appendix E, VI.3.a, Dominion is hereby notifying the NRC of emergency response data system (ERDS) data point modifications implemented at North Anna Power Station, on October 5, 2014, as a result of the replacement of the Unit 2 Main Steam radiation monitors. A summary of data point changes (i.e., change reports) is provided in Attachment 1. Updated Data Point Library Sheets for North Anna Unit 2 are provided in Attachment 2.
If you have any questions regarding the information provided herein, please contact Mr. Jay Leberstien at (540) 894-2574.
Sincerely, Jo R. Daugherty Director, Nuclear Safety and Licensing Attachments
- 1. North Anna Unit 2 Data Point Library Change Reports
- 2. North Anna Unit 2 Updated Data Point Library Sheets Commitments made in this letter:
None
Serial No.14-523 Docket Nos. 50-339 Page 2 of 2 cc:
U.S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 3030-1257 NRC Senior Resident Inspector North Anna Power Station Dr. V. Sreenivas, NRC Project Manager - North Anna U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 08 G9A 11555 Rockville Pike Rockville, Maryland 20852 Ms. Karen Cotton, NRC Project Manager - Surry U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 08 G9A 11555 Rockville Pike Rockville, Maryland 20852
Serial No.14-523 Docket Nos. 50-339 North Anna Unit 2 Data Point Library Change Relorts Virginia Electric and Power Company (Dominion)
North Anna Power Station
Page 1 STATION: North Anna PRINTED UNIT: 2 10/20/2014 PWR DATA POINT LIBRARY REFERENCE FILE CHANGE REPORT CHANGED POINT R2RM201C AT 9:19:48AM ON 09/12/2014. CHANGES WERE AS FOLLOWS:
DATE:
WAS :09/10/2002 IS
- 09/12/2014 MAXIMUM INSTRUMENT RANGE:
WAS : 1.259E7 IS
- I.000E7 DATE:
WAS :09/10/2002 IS
- 09/12/2014 MINIMUM INSTRUMENT RANGE:
WAS : 0.03980 IS
- 1.00E-2 Point Changed in actual Plant Computer System (PCS) on 10/5/2014 07:00
Page 2 STATION: North Anna PRINTED UNIT: 2 10/20/2014 PWR DATA POINT LIBRARY REFERENCE FILE CHANGE REPORT CHANGED POINT RiRM20OC AT 9:26:O5AM ON 09/12/2014. CHANGES WERE AS FOLLOWS:
DATE:
WAS :09/10/2002 IS
- 09/12/P014 MAXIMUM INSTRUMENT RANGE:
WAS : 1.259E7 IS
- 1.000E7 DATE:
WAS :09/10/2002 IS
- 09/12/2014 MINIMUM INSTRUMENT RANGE:
WAS : 0.03980 IS
- I.00E-2 Point Changed in actual Plant Computer System (PCS) on 10/5/2014 07:00
Page 3 STATION: North Anna PRINTED UNIT: 2 10/20/2014 PWR DATA POINT LIBRARY REFERENCE FILE CHANGE REPORT CHANGED POINT R2RM203C AT 9:28:01AM ON 09/12/2014. CHANGES WERE AS FOLLOWS:
DATE:
WAS :09/10/2002 IS
- 09/12P2014 MAXIMUM INSTRUMENT RANGE:
WAS : 1.259E7 IS
- I.000E7 DATE:
WAS :09/1012002 IS
- 09/12/2014 MINIMUM INSTRUMENT RANGE:
WAS : 0.03980 IS
- 1.01E-2 Point Changed in actual Plant Computer System (PCS) on 10/5/2014 07:00
Page 4 STATION: North Anna PRINTED UNIT: 2 10/20/2014 PWR DATA POINT LIBRARY REFERENCE FILE CHANGE REPORT CHANGED POINT R2RM204C AT 9:31:19AM ON 09/12/29014. CHANGES WERE AS FOIJlOWS:
DATE:
WAS :09/10/2002 IS
- 09/12/2014 MAXIMUM INSTRUMENT RANGE:
WAS : 1.259E7 IS
- I.00E7 DATE:
WAS :09/10/2002 IS
- 09/12/2014 MINIMUM INSTRUMENT RANGE:
WAS : 0.03980 IS
- 1.00E-2 Point Changed in actual Plant Computer System (PCS) on 10/5/2014 07:00
Serial No.14-523 Docket Nos. 50-339 North Anna Unit 2 Data Point Library Sheets Virginia Electric and Power Company (Dominion)
North Anna Power Station
Page 21 of 93 PRINTED 10/20/2014 STATION: North Anna UNIT: 2 PWR 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 SETPOINTS:
NI DETECTOR POWER SUPPLY CUT-OFF POWER LEVEL:
NI DETECTOR POWER SUPPLY TURN-ON POWER LEVEL:
INSTRUMENT FAILURE MODE:
TEMPERATURE COMPENSATION FOR DP TRANSMITTERS:
LEVEL REFERENCE LEG:
UNIQUE SYSTEM DESC:
09/12/2014 NA2 N/A EFF GAS RAD R2RM204C AS LINE RADIATION MONITOR RADIOACTIVITY OF RELEASED GASES A
MR/HR N/A 1.00E-2 1.00E7 N/A N/A P
I EXPONENTIATED VALUE OF LOGARITHMIC INPUT TURBINE-DRIVEN AUX FEED PUMP EXHAUST VARIABLE N/A N/A N/A N/A Continuously monitors the radiation level in the turbine-driven auxiliary feed pump exhaust
("Terry" turbine).
Page 57 of 93 PRINTED 10/20/2014 STATION: North Anna UNIT: 2 PWR 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 SETPOINTS:
NI DETECTOR POWER SUPPLY CUT-OFF POWER LEVEL:
NI DETECTOR POWER SUPPLY TURN-ON POWER LEVEL:
INSTRUMENT FAILURE MODE:
TEMPERATURE COMPENSATION FOR DP TRANSMITTERS:
LEVEL REFERENCE LEG:
UNIQUE SYSTEM DESC:
09/12/2014 NA2 N/A MAIN SL I/A R2RM201C MS LINE A RAD MON (270)
STM GEN A STEAM LINE RAD LEVEL A
MR/HR N/A I.OOE-2 1.000E7 N/A N/A P
I EXPONENTIATED VALUE OF LOGARITHMIC INPUT MN STM SAFETY VLV RISER - M.S. VLV HOUSE VARIABLE N/A N/A N/A N/A Continuously monitors the 32 inch A main steam safety line and indicates radiation level.
Page 58 of 93 PRINTED 10/20/2014 STATION: North Anna UNIT: 2 PWR 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 SETPOINTS:
NI DETECTOR POWER SUPPLY CUT-OFF POWER LEVEL:
NI DETECTOR POWER SUPPLY TURN-ON POWER LEVEL:
INSTRUMENT FAILURE MODE:
TEMPERATURE COMPENSATION FOR DP TRANSMITTERS:
LEVEL REFERENCE LEG:
UNIQUE SYSTEM DESC:
09/12/2014 NA2 N/A MAIN SL 2/B R2RM202C MS LINE B RAD MON (271)
STM GEN B STEAM LINE RAD LEVEL A
MR/HR N/A I.OOE-2 I.000E7 N/A N/A P
EXPONENTIATED VALUE OF LOGARITHMIC INPUT MN STM SAFETY VLV RISER - M.S. VLV HOUSE VARIABLE N/A N/A N/A N/A Continuously monitors the 32 inch B main steam safety line and indicates radiation level.
Page 59 of 93 PRINTED 10/20/2014 STATION: North Anna UNIT: 2 PWR 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 SETPOINTS:
NI DETECTOR POWER SUPPLY CUT-OFF POWER LEVEL:
NI DETECTOR POWER SUPPLY TURN-ON POWER LEVEL:
INSTRUMENT FAILURE MODE:
TEMPERATURE COMPENSATION FOR DP TRANSMITTERS:
LEVEL REFERENCE LEG:
UNIQUE SYSTEM DESC:
09/12/2014 NA2 N/A MAIN SL 3/C R2RM203C MS LINE C RAD MON (272)
STM GEN C STEAM LINE RAD LEVEL A
MR/HR N/A I.OOE-2 1.000E7 N/A N/A P
I EXPONENTIATED VALUE OF LOGARITHMIC INPUT MN STM SAFETY VLV RISER - M.S. VLV HOUSE VARIABLE N/A N/A N/A N/A Continuously monitors the 32 inch C main steam safety line and indicates radiation level.