RC-05-0192, Update to Emergency Response Data System Data Point Library

Update to Emergency Response Data System Data Point Library

ML053220238
Person / Time
Site:	Summer
Issue date:	11/16/2005
From:	Archie J South Carolina Electric & Gas Co
To:	Martin R Document Control Desk, Office of Nuclear Reactor Regulation
References
RC-05-0192
Download: ML053220238 (5)

Text

Jeffrey B. Archie Vice President, Nuclear Operations 803.345.4214 A SCANA COMPANY November 16, 2005 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 ATTN: Mr. R. E. Martin

Subject:

VIRGIL C. SUMMER NUCLEAR STATION (VCSNS)

DOCKET NO. 50-395 OPERATING LICENSE NO. NPF-12 UPDATE TO EMERGENCY RESPONSE DATA SYSTEM DATA POINT LIBRARY South Carolina Electric & Gas Company is submitting an update to the VCSNS Emergency Response Data System (ERDS) Data Point Library. Attached is a summary of the changes accompanied by the updated data sheets.

Should you have any questions, please call Mr. Robert Sweet at (803) 3454080.

JT/JBA/dr Attachment c:

N. 0. Lorick S. A. Byrne N. S. Cams G. S. Champion (w/o attachment)

R. J. White W. D. Travers R. E. Martin NRC Resident Inspector K. M. Sutton D. H. Carroll NSRC RTS (NL Activity 112)

File (811.10)

DMS (RC-05-0192)

_

ro 2, G SCE&G I Virgil C. Summer Nuclear Station P. 0. Box 88. Jenkinsville, South (arolina 29065

• T (803) 345.5209. wwwvsano.aom

Document Control Desk Attachment NL Activity 112 Page 1 of 1 Summary of ERDS Data Point Library Entry Changes

1)

Page 54 - Changed Wind Speed Point ID

2)

Page 55 - Changed Wind Direction Point ID

3)

Page 56 - Changed Atmospheric Stability Class Point ID

Emergency Response Data System (ERDS)

Data Point Library -

V. C. SUMMER Page : 53 Report Date : 10/27/05 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 MININUM 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 DET.

POWER CUT OFF NI DET.

POWER CUT ON INSTR. FAILURE MODE 10/27/05 VS1

N/A

WIND SPEED

M9201

10 METERS WIND SPEED

WIND SPEED AT THE REACTOR SITE A

MPH

LINEAR CONVERSION

0.0

125.0

N/A

N/A

S

2

N/A

10 METERS ON THE PRIMARY MET TOWER

NONE

N/A

N/A

LOW DP XMITTER TEMP. COMP.: N LEVEL REFERENCE LEG

N/A UNIQUE SYSTEM DESCRIPTION Measures the wind speed at the primary meteorological monitoring station at the 10 meter level.

Emergency Response Data System (ERDS)

Data Point Library -

V. C. SUMMER Page : 54 Report Date : 10/27/05 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 :

MININUM 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 DET. POWER CUT OFF :

NI DET. POWER CUT ON INSTR. FAILURE MODE DP XMITTER TEMP. COMP.:

LEVEL REFERENCE LEG 10/27/05 VS1 N/A WIND DIR M9200 10 METER WIND DIRECTION WIND DIR AT THE REACTOR SITE A

DEG LINEAR CONVERSION 0.0 360.0 N/A N/A S

2 N/A 10 METERS ON THE PRIMARY MET TOWERS NONE N/A N/A LOW N

N/A UNIQUE SYSTEM DESCRIPTION Measures the wind direction at the primary meteorological monitoring station at the 10 meter level.

Emergency Response Data System (ERDS)

Data Point Library -

V. C. SUMMER Page :

55 Report Date : 10/27/05 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 MININUM 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 DET.

POWER CUT OFF NI DET.

POWER CUT ON INSTR. FAILURE MODE DP XMITTER TEMP. COMP.

LEVEL REFERENCE LEG

10/27/05

VS1

N/A

STAB CLASS

M9204

61 -

10 METER DELTA T

AIR STABILITY AT REACTOR SITE A

DEGF

LINEAR CONVERSION

-7.0

18.0

N/A

N/A

S

2

N/A

PRIMARY MET TOWER

NONE

N/A

N/A

LOW N

N/A UNIQUE SYSTEM DESCRIPTION A delta temperature is derived electronically from the 61 meter and 10 meter temperature elements at the primary meteorological station. The 61-10 meter delta T provides an indication of atmospheric stability class (Pasquill Category) as follows:

Pasquill Category A

B C

D E

F G

Stability Class 61-10 Meter Delta T (DEGF)

Extremely Unstable Moderately Unstable Slightly Unstable Neutral Slightly Stable Moderately Stable Extremely Stable

-1.75 or less from -1.74 to -1.56 from -1.55 to -1.38 from -1.37 to -0.46 from -0.45 to +1.37 from +1.38 to +3.67

+3.67 or greater