ML090140164
| ML090140164 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 01/14/2009 |
| From: | Funderburk C Dominion, Dominion Resources Services |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 09-008 | |
| Download: ML090140164 (12) | |
Text
Dominion Resources Services, Inc.
SOOO Dominion Boulevard, Glen Allen, VA 2\\(;(1, Web Address: www.dom.com January 14, 2009 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Serial No.:
09-008 NL&OS/ETS Docket Nos.:
50-338/339 License Nos.: NPF-4/7 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
NORTH ANNA POWER STATION UNITS 1 AND 2 EMERGENCY RESPONSE DATA SYSTEM (ERDS)
DATABASE REVISIONS Pursuant to 10 CFR 50, Appendix E, VI.3.a, Dominion is hereby notifying the NRC of data point modifications implemented at North Anna Power Station Units 1 and 2 as a result of the replacement of the letdown radiation monitors.
A summary of data point changes (i.e., change reports) is provided in Attachments 1 and 2 for North Anna Units 1 and 2, respectively.
In addition, Updated Data Point Library Sheets for North Anna Units 1 and 2 are provided in Attachments 3 and 4, respectively.
If you have any questions regarding the information provided herein, please contact Mr. Thomas Shaub at (804) 273-2763.
Sincerely,
",,<~;j;' -'7
.... ~",../
}-
C. L. Funderburk - Director Nuclear Licensing and Operations Support Dominion Resources Services, Inc.
For Virginia Electric and Power Company Attachments
- 1. North Anna Unit 1 Data Point Revision Summary
- 2. North Anna Unit 2 Data Point Revision Summary
- 3. North Anna Unit 1 Updated Data Point Library Sheets
- 4. North Anna Unit 2 Updated Data Point Library Sheets Commitments made in this letter:
None
cc:
U.S. Nuclear Regulatory Commission Region" Sam Nunn Federal Atlanta Center 61 Forsyth Street, SW Suite 23T85 Atlanta, Georgia 30303 NRC Senior Resident Inspector North Anna Power Station Mr. J. F. Stang, Jr.
NRC Project Manager U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 0-8G9A 11555 Rockville Pike Rockville, Maryland 20852 Ms. D. N. Wright NRC Project Manager U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 0-8H4A 11555 Rockville Pike Rockville, Maryland 20852 Serial No.09-008 Docket Nos. 50-338/339 Page 2 of 2
Serial No.09-008 Docket Nos. 50-338/339 North Anna Unit 1 Data Point Revision Summary Virginia Electric and Power Company (Dominion)
North Anna Power Station
Page 1 STATION: North Anna UNIT:!
PWR DATA POINT LmRARY REFERENCE FILE CHANGE REPORT PRINTED 12/3112008 CHANGEDPOINT RIRM214C AT 2:35:37PMON 12/16/2008. CHANGESWEREAS FOLLOWS:
DATE:
\\1AXIMUM INSTRUMENT RANGE:
DATE:
\\1lNIMUMINSTRUMENT RANGE:
WAS: 03/07/1996 IS
- 12/16/2008 WAS: 1OO.0 IS
- l.000ES WAS: 03/07/1996 IS
- 12/16/2008 WAS: 0.0oo IS
- 10.OO
Page 1 STATION: North Anna UNIT: 1 PWR DATA POINT LIBRARY REFERENCE FILE CHANGE REPORT PRINTED 01113/2009 Cl IANGED POINT RIRM214C AT 1:09:41PM ON 01/1312009. CHANGES WERE AS FOLLOWS:
D.\\TE:
UNIOUE SYSTEM DESCRIPTION:
WAS : 12/16/2008 IS
- 01/13/2009 WAS : Continuously monitorsradiationlevelin the reactor coolant by meansof a strap-on monitoron the letdown line.
IS
- Continuously monitorsradiationlevelin the reactor coolant by meansof an externalmonitoradjacent to the letdownline.
Serial No.09-008 Docket Nos. 50-338/339 North Anna Unit 2 Data Point Revision Summary Virginia Electric and Power Company (Dominion)
North Anna Power Station
Page I STATION: North Anna UNIT: 2 PWR DATA POINT LillRARY REFERENCE FILE CHANGE REPORT PRINTED 12/31/2008 CHANGED POINTR2RM214C AT 2:35:37PM ON 12/16/2008. CHANGES WEREASFOLI.DWS:
DATE:
MAXlMUMINSTRUMENT RANGE:
DATE:
MINIMUM INSTRUMENT RANGE:
WAS: 03/07/1996 IS
- 12/16/2008 WAS: 10000.0 IS
- I.OOOE5 WAS: 03/07/1996 IS
- 12/16/2008 WAS: 0.00000 IS
- 10.0000
Page 1 STATION: North Anna UNIT: 2 PWR DATA POINT LillRARY REFERENCE FILE CHANGE REPORT PRINTED 01/13/2009 CHANGED POINT R2RM214C AT 1:14:33PM ON 01/13/2009. CHANGES WERE AS FOLLOWS:
D,\\TE:
UNIQUE SYSTEM DESCRIPTION:
WAS: 01/13/2009 IS
- 01/13/2009 WAS : Continuously monitors radiationlevelin the reactor coolant bymeansofa sample fromthe letdown line.
IS
- Continuously monitors radiationlevelin the reactor coolant bymeansofan external monitor adjacent to the letdown line.
Serial No.09-008 Docket Nos. 50-338/339 North Anna Unit 1 Updated Data Point Library Sheets Virginia Electric and Power Company (Dominion)
North Anna Power Station
Page 69 of93 STATION: North Anna UNIT: 1 PWR DATA POINT LIBRARY REFERENCE FILE PRINTED 01113/2009 DL\\TE:
REACTOR UNIT:
DL\\TA FEEDER:
NRC ERDS PARAMETER:
POINT ID:
PLANT SPEC POINT DESC:
GENERlC/COND DESC:
A\\,fALOG/DIGITAL:
E\\,fGR UNITS/DIG STATES:
E\\,fGR UNITS CONVERSION:
MINIMUM INSTR RANGE:
MA,XIMUM INSTR RANGE:
ZERO POINT
REFERENCE:
Ri::FERENCE POINT NOTES:
PROC OR SENS:
NUMBER OF SENSORS:
HOW PROCESSED:
SENSOR LOCATIONS:
ALARMITRIP SETPOINTS:
Nl DETECTOR POWER SUPPLY CUT-OFF POWER LEVEL:
Nf DETECTOR POWER SUPPLY TURN-ON POWER LEVEL:
INSTRUMENT FAlLURE MODE:
T!:MPERATURE COMPENSATION FOR DP TRANSMITTERS:
LEVEL REFERENCE LEG:
U\\,fIQUE SYSTEM DESC:
01/13/2009 NA1 N/A RCSLTDNRAD R1RM214C RCS LETDOWN HIGH RAD MON RAD LEVEL OF RCS LETDOWN LINE A
MRlHR N/A 10.0000 1.000E5 N/A N/A P
1 EXPONENTIATED VALUE OF LOGARITHMIC INPUT RCS LETDOWN LINE VARIABLE N/A N/A N/A N/A Continuously monitors radiation level in the reactor coolant by means of an external monitor adjacent to the letdown line.
Serial No.09-008 Docket Nos. 50-338/339 North Anna Unit 2 Updated Data Point Library Sheets Virginia Electric and Power Company (Dominion)
North Anna Power Station
Page 69 of 93 STATION: North Anna UNIT: 2 PWR DATA POINT LIBRARY REFERENCE FILE PRINTED 0111312009
[),\\TE RIACTOR UNIT:
Dl\\T A FEEDER:
NRC ERDS PARAMETER:
PClINT ID:
GENERICICOND DESC:
ANALOGIDIGITAL:
ENGR UNITSIDIG STATES:
ENGR UNITS CONVERSION:
MlNlMUM INSTR RANGE:
M L\\XIMUM INSTR RANGE:
ZLRO POINT
REFERENCE:
REFERENCE POINT NOTES:
PKOC OR SENS:
NUMBER OF SENSORS:
HOW PROCESSED:
SJ.NSOR LOCATIONS:
A~ARM/TRIP SETPOINTS:
N DETECTOR POWER SUPPLY CUT-OFF POWER LEVEL:
N DETECTOR POWER SUPPLY TURN-ON POWER LEVEL:
[!',STRUMENT FAILURE MODE:
TI:MPERATURE COMPENSATION FOR DP TRANSMITTERS:
Ll:VEL REFERENCE LEG:
U\\,fIQUE SYSTEM DESC:
01/13/2009 NA2 N/A RCS LTDNRAD R2RM2J4C RCS LETDOWN HIGH RAD MON RAD LEVEL OF RCS LETDOWN LINE A
MRlHR N/A 10.0000 1.000E5 N/A N/A p
1 EXPONENTIATED VALUE OF LOGARITHMIC INPUT RCS LETDOWN LINE VARIABLE N/A N/A N/A NIA Continuously monitors radiation level in the reactor coolant by means of an external monitor adjacent to the letdown line.