ML18038B987

Forwards Rev to BFN Unit 2 ERDS Data Point Library, Implemented on 971021

ML18038B987
Person / Time
Site:	Browns Ferry
Issue date:	11/13/1997
From:	Abney T TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9711200248
Download: ML18038B987 (10)

Text

~

CATEGORY REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9711200248 DOC.DATE: 97/11/13 NOTARIZED: NO FACIL:50-260 Browns Ferry Nuclear Power Station, Unit 2, Tennessee AUTH.NAME AUTHOR AFFILIATION ABNilY,T,. E.

Tennessee Valley Authority RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards rev to BFN Unit 2 ERDS data point library, implemented on 971021.

DISTRIBUTION CODE:

A026D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: Emergency

Response

Data System (ERDS)

NOTES:

DOCKET 05000260 RECIPIENT ZD CODE/NAME AEOD/ZRB 01 INTERNAL: ACRS AEOD/DOA/jRB RGN2 ERC COPIES LTTR ENCL 1

1 1

1 1

1 1

1 RECIPIENT ID CODE/NAME.

WILLIAMS,J.

FILE CENTER COPIES LTTR ENCL 1

1 1

1 1

1 1

1 R

EXTERNAL: NRC PDR 1

1 0

N NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR'NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER O." COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCDI ON EXTENSION 4'5-2083 TOTAL NUMBER OF COPIES REQUIRED:

LTTR 9

ENCL 9

Qi i

1 g1%

November 13, 1997 10 CFR 50, Appendix E

UPS. Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555 Gentlemen; In the Matter of Tennessee Valley Authority Docket No.

50-260 BROWNS FERRY NUCLEAR PLANT (BFN)

UNIT 2 REVISION TO EMERGENCY RESPONSE DATA SYSTEM (ERDS)

DATA POINT LIBRARY In accordance with 10 CFR 50, Appendix E, Section VI.3.a, "Emergency

Response

Data System, " TVA is providing notification of a revision to the BFN Unit 2 ERDS Data Point Library.

This revision was implemented on October 21,

1997, and requires NRC notification within 30 days.

Enclosure 1

provides the revision to the Unit 2 ERDS Data Point Library.

There are no new commitments contained in this letter.

If you have any questions, please contact me at (205) 729-2636.

Si cerely, T.

E. Abney Manager of censi g

and Indus ry Affa'rs Enclosure cc:

See page 2

9711200248 97iii3 PDR ADOCK 05000260 F

PDR lllllllllllllllljlll)llillllllllllllll

Oi ii

U.S. Nuclear Regulatory Commission Page 2

November 13',

1997 Enclosure cc (Enclosure):

Mr. Mark S. Lesser, Branch Chief U. S. Nuclear Regulatory Commission Region II 61 Forsyth Street, S.W.

Suite 23T85

Atlanta, Georgia 30303 NRC Resident Inspector Browns* Ferry Nuclear Plant 10833 Shaw Road

Athens, Alabama 35611 Mr. J.

F. Williams, Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852

I+I 1

I~

ENCLOSURE TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT (BFN)

UNIT 2 EMERGENCY RESPONSE DATA SYSTEM (ERDS)

REVISION TO DATA POINT LIBRARY (SEE ATTACHED)

/~

I

ERDS Point Number:

I Nl POWER RNG SPDS0001 Reactor Power Date:

Reactor Unit:

Data Feeder:

NRC ERDS Parameter:

Point ID:

Plant Spec Point Desc:

GenericCond Desc:

7/9/93 BF2 Nl POWER SPDSOOOI RX POWER APRM - COMPOSED Reactor Power Analog/Digital:

Engr Units/Dig States:

Engr Units Conv Minimum Instr Range:

Maximum Instr Range:

Zero Point

Reference:

Reference Point Notes:

125 N/A N/A PROC or SENS Number of Sensors:

How Processed:

Sensor Locations:

AlarmffripSet Points:

Weighted Average w/Fault Detect (PSVA)

N/A HiHi at 5% (Inhibited ifno SCRAM)

Io I a I f9 >

NID Power CutoffLevel:

NID Power Cut-0 Instrument Failure Mode:

N/A N/A N/A Temperature Compensation:

N Level Reerence Leg:

Unique System Desc'.

N/A The HIGH alarm is inhibited.when the plant is not in a SCRAM condition. This supports'plant EOI's.

i~

8