L-07-124, Submittal of Revisions to Emergency Response Data System

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Submittal of Revisions to Emergency Response Data System
ML072600017
Person / Time
Site: Beaver Valley
Issue date: 09/12/2007
From: Sena P
FirstEnergy Nuclear Operating Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
L-07-124
Download: ML072600017 (4)


Text

FENOC FirstEnergyNuclear OperatingCompany Peter P.Sena III 724-682-5234 Site Vice President Fax: 724-643-8069 September 12, 2007 L-07-124 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001

Subject:

Beaver Valley Power Station, Unit No. 2 BV-2 Docket No. 50-412, License No. NPF-73 Emergency Response Data System In accordance with 10 CFR 50, Appendix E, Section VI, revisions to the Beaver Valley Power Station (BVPS) Unit No. 2 Data Point Library (DPL) for the Emergency Response Data System (ERDS) are enclosed. The DPL changes are associated with the Refueling Water Storage Tank (RWST) low level computer alarm changes made to the BVPS Unit No. 2 Plant Computer System (PCS). Attachment 1 provides a sunmunary of the changes made for these data points.

There are no regulatory commitments contained in this letter. If there are any questions or if additional inforination is required, please contact Mr. Thomas A. Lentz, Manager -

FENOC Fleet Licensing, at (330) 761-6071.

Sincerely, Peter P. Sena III Attachment 1 - Summary Of Changes To Data Point Library Enclosures - Revisions to Data Point Library (2 Pages) c: Ms. N. S. Morgan, NRR Project Manager (w/o enclosure)

Mr. D. L. Werkheiser, NRC Senior Resident Inspector Mr. S. J. Collins, NRC Region I Administrator Mr. D. J. Allard, Director BRP/DEP Mr. L. E. Ryan (BRP/DEP)

L-07-124 Attachment 1 Page 1 of 1

SUMMARY

OF CHANGES TO DATA POINT LIBRARY (DPL)

Reactor DPL Description of Change(s)

Unit Point BV2 L0500A Date: Changed to "8/21/2007" Alarm/Trip Set Points: Replaced "LO ALM @ 718 IN / HI ALM @ 721 IN" with "LO ALM @ 716.5 IN / HI ALM @ 721 IN" L0501A Date: Changed to "8/21/2007" Alarm/Trip Set Points: Replaced "LO ALM @ 718 IN / HI ALM @ 721 IN" with "LO ALM @ 716.5 IN / HI ALM @ 721 IN"

BEAVER VALLEY POWER STATION ERDS DATA POINT LIBRARY Date: 8/21/2007 Reactor Unit: BV2 Data Feeder: PCS NRC ERDS Parameter: BWST-LEVEL1 Point ID: L0500A Plant Spec Point Desc.: RWST LVL QSS-LT100A Generic/Cond Desc.: BORATED WATER STORAGE TANK LEVEL Analog/Digital: A Engr Units/Dig States: INCHES Engr Units Conversion: LINEAR Minimum Instr Range: 0 Maximum Instr Range: 730 Zero Point

Reference:

COMPLX Reference Point Notes: SEE UNIQUE SYSTEM DESCRIPTION FIELD PROC or SENS: S Number of Sensors: I How Processed: N/A Sensor Location: SEE UNIQUE SYSTEM DESCRIPTION FIELD Alarm/Trip Set Points: LO ALM @ 716.5 IN / HI ALM @ 721 IN 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 Level Reference Leg: N/A Unique System Desc.: The BWST at BV2 is referred to as "Refueling Water Storage Tank" (RWST).

There is one RWST at BV2 with a capacity of 911,000 Gallons. There are 31,823 unusable Gallons below the Quench Spray Pump suction. There are approximately 1250 Gallons/Inch in the RWST. (see attached tank curve).

2QSS-LT100A senses level 12" from the bottom of the tank and 14" below the top of the Quench Spray Pump suction line. Zero reference 12" from bottom of BWST. Ref: MSP-2-13.11-1; 10080-TLD-13B-001; LSK-27-9D; LSK-29-6B; RK-325R.

BEAVER VALLEY POWER STATION ERDS DATA POINT LIBRARY Date: 8/21/2007 Reactor Unit: BV2 Data Feeder: PCS NRC ERDS Parameter: BWST-LEVEL2 Point ID: L0501A Plant Spec Point Desc.: RWST LVL QSS-LT100B Generic/Cond Desc.: BORATED WATER STORAGE TANK LEVEL Analog/Digital: A Engr Units/Dig States: INCHES Engr Units Conversion: LINEAR Minimum Instr Range: 0 Maximum Instr Range: 730 Zero Point

Reference:

COMPLX Reference Point Notes: SEE UNIQUE SYSTEM DESCRIPTION FIELD PROC or SENS: S Number of Sensors: 1 How Processed: N/A Sensor Location: SEE UNIQUE SYSTEM DESCRIPTION FIELD Alarm/Trip Set Points: LO ALM @ 716.5 IN / HI ALM @ 721 IN 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 Level Reference Leg: N/A Unique System Desc.: The BWST at BV2 is referred to as "Refueling Water Storage Tank" (RWST).

There is one RWST at BV2 with a capacity of 911,000 Gallons. There are 31,823 unusable Gallons below the Quench Spray Pump suction. There are approximately 1250 Gallons/Inch in the RWST. (see attached tank curve).

2QSS-LT100B senses level 12" from the bottom of the tank and 14" below the top of the Quench Spray Pump suction line. Zero reference 12" from bottom of BWST. Ref: MSP-2-13.11-1; 10080-TLD-13B-002; LSK-27-9D; LSK-29-6B; RK-325Q.