ML17291A509

Forwards Info Involving Change to Met Tower Stability Class Data Point of Data Point Library for ERDS

ML17291A509
Person / Time
Site:	Columbia
Issue date:	11/17/1994
From:	Parrish J WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GO2-94-257, NUDOCS 9411250186
Download: ML17291A509 (3)

Text

j.-mimMj. i (ACCELERATED RIDS PROCESSli Y 1 REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9411250186 DOC.DATE: 94/11/17 NOTARIZED: NO DOCKET N FACIL:50-397 WPPSS Nuclear Project, Unit 2, Washington Public Powe 05000397 AUTH. NAME AUTHOR AFFILIATION PARRISH,J.V. Washington Public Power Supply System RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards info involving change to MET tower stability class data point of data point library for ERDS.

DISTRIBUTION CODE: A026D COP1ES RECEIVED:LTR ENCL SIZE:

TITLE: Emergency Response Data System (ERDS)

NOTES RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL AEOD/IRB 01 2 2 NRR/PD3-2 1 1 CLIFFORD,J 1 1 INTERNAL: ACRS 1 1 AEOD 1 1 AEOD/DOA/IRB NRR/DRSS/PEPB 1

1 1

1 F/'EDER RGN4 ERC 02 1 1 1 1 RGN4 FILE 1 1 EXTERNAL: NRC PDR 1 1 NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE iVASTE! CONTACI'THE DOCL'CLIENT CONTROL DESK, ROOM PI-37 (EXT. 504-2083 ) TO ELI!iII.'PATEYOUR iAiIEFROi!

DISTRIBUTIONLISTS FOR DOCL'MENTS YOU DON"I'LLD!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 12 ENCL 12

ti WASHINGTON PUBLIC POWER SUPPLY SYSTEM PO. Box 968 ~ 3000 George Washington Way ~ Richland, Washington 993S2-0968 ~ (509) 372-5000 November 17, 1994 G02-94-257 Docket No. 50-397 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station Pl-37 Washington, D. C. 20555 Gentlemen:

Subject:

WNP-2, OPERATING LICENSE NO. NPF-21 EMERGENCY RESPONSE DATA SYSTEM CHANGE TO DATA POINT LIBRARY

Reference:

Letter GO2-92-257 dated November 24, 1992, GC Sorensen (SS) to NRC, "Response to ERDS Rule, 10 CFR 50, Appendix E" The Washington Public. Power Supply System previously provided WNP-2's data point library for the Emergency Response Data System (ERDS) in the referenced letter. The attached information involves a change to the MET tower stability class data point and is provided per the requirements of 10 CFR 50, Appendix E, Section VI.3.a. This change replaces the digital data point for stability class with one transmitting analog differential temperature information.

Ifyou have any questions or desire additional information regarding this matter please contact me or D. A. Swank at (509) 377-4563.

Si J~4~

cerely,'j!

J. V. Parrish (Mail Drop 1023)

Assistant Managing Director, Operations JMP/bk Attachment cc: LJ Callan - NRC RIV KE Perkins; Jr. - NRC RIV, Walnut Creek Field Office NS Reynolds - Winston & Strawn

, JW Clifford - NRC DL Williams - BPA/399 NRC Sr. Resident Inspector - 927N JR Jolicouer - NRC 9411250186 941117 PDR ADQCK 05000397 F PDR

Attachment A DATA POINT LIBRARYREFERENCE FILE Date: 10/31/94 Reactor Unit:

Data Feeder: N/A NRC ERDS Parameter: STAB CLASS Point ID: METP03 Plant Spec Point Desc.: MET TWR DELTA T EL 245-33' PRIMARY Generic/Cond Desc.: AIR STABILITYAT THE REACTOR SITE Analog/Digital:

Engr Units/Dig States: DEGC Engr Units Conversion: N/A Minimum Instr Range: -15 Maximum Instr Range: +15 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS:

Number of Sensors:

How processed: DIFFERENCE Sensor Locations: MET TOWER AT 33'ND 245'BOVE GRADE Alarm/Trip Set Points: N/A NI Detector Power Supply Cut-off Power Level: N/A NI Detector Power Supply Turn-on Power Level: N/A Instrument Failure Mode: LOW Temperature Compensation For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: TEMPERATURE DIFFERENCE BETWEEN 245'EVELS ON THE MET TOWER 33'ND