ML20195J856

Summary of 990518 Meeting with Dlc & Westinghouse to Discuss Dlc License Amend Request to Revise TS Limiting Safety Sys Setpoints to Be More Conservative

ML20195J856
Person / Time
Site:	Beaver Valley
Issue date:	06/16/1999
From:	Dan Collins NRC (Affiliation Not Assigned)
To:	NRC (Affiliation Not Assigned)
References
TAC-MA4616, TAC-MA4617, NUDOCS 9906210142
Download: ML20195J856 (17)

Text

E ps nuo yv k UNITED STo.T_S j; 't j NUCLEAR REGULATORY COMMISSION WASHINGTON. D.C. 20555-0001 June 16,1999

\

l LICENSEE: Duquesne Light Company (DLC) l FACILITY: Beaver Valley Power Station, Unit Nos.1 and 2 (BVPS-1 and BVPS-2) i

SUMMARY

OF MAY 18,1999, MEETING WITH DLC STAFF TO DISCUSS TECHNICAL ASPECTS OF LICENSE AMENDMENT REQUEST TO REVISE i TECHNICAL SPECIFICATION LIMITING SAFETY SYSTEM SETPOINTS (TAC NOS. MA4616 AND MA4617)

On May 18,1999, Nuclear Regulatory Commission (NRC) staff met with representatives of DLC and Westinghouse to discuss DLC's License Amendment Request to revise Technical '

Specification (TS) Limiting Safety System setpoints to be more conservative. Specifically, to discuss technical aspects of the methodologies used by DLC to determine the new setpoints.

The licensee had requested this meeting. Enclosure 1 is a list of meeting attendees. Enclosure 2 is a copy of the handout material.

DLC provided a brief background of their identification of the non-conservative values in the current TSs, and the administrative controls put in place to ensure safe operation. Additionally, DLC discussed the setpoint methodology used in determining the new setpoints, and provided a summary of the changes made by the requested amendment (Enclosure 2). Based on questions asked by the NRC staff, the licensee provided the following clarifications or additional information:

DLC's changes to the analyses incorporate site specific uncertainty values, rather than the original generic Westinghouse values; the methodologies used in the new analyses, however, are unchanged from the NRC approved methodologies (WCAP-11419 for f

BVPS-1 and WCAP-11366 for BVPS-2).

(,{ 74 Uncertainties of instrument / test equipment used in surveill&nces are included in the  !

setpoint analyses.

l Deletion of lag compensation terms from the OPAT and OT6T equations in the BVPS-1 TSs is required in order to reflect the actual plant hardware configuration. The RTD bypass was physically removed by a previous modification. RTDs are now in the loop such that no time lag for transport time is required. The BVPS-2 TSs still include the lag compensation terms, and are conect, because this hardware modification was not installed in BVPS-2.

Westinghouse has performed a detailed statistical analysis of racn drift. Both BVPS-1 and BVPS-2 have experienced less drift than assumed in the uncertainty calculations.

Therefore, instrument rack performance is bounded by the uncertainty calculations.

9906210142 990616 PDR P

ADOCK 05000334 PDR i f 3

y e, ..

l Jure 16,1999 i- l The licensee agreed to provide the~ staff with copies of the Westinghouse Technical Bulletin, ESBU-TB-96-07-RO, and letter, DLC-96-310, referenced in their January 18,1999, submittal.

The staff stated that the presentation gave them a better understanding of how the analyses had

- been performed and that, with copies of these references, they should be able to move forward with their reviews of the licensee's submittal.

b Original signed by:

Daniel S. Collins, Project Manager, Section 1 Project Directorate l Division of Licensing Project Management {

Office.of Nuclear Reactor Regulation l

Docket Nos. 50-334 and 50-412

Enclosures:

1. List of Attendees )

2. Licensee Handouts cc w/encis: See next page Distribution: (w/encis)

TOcchetFilel HBalukjian EMarinos Public IAhmed JWermiel  !

PDI-1 R/F OGC DCollins ACRS E-M_ ail MO'Brien ABlough, Region I DKern, Region i EAdensam (EGA1)

JZwolinski/SBlack PEselgroth, Region I ,

SBajwa NPerry, Region l l MTSchiltz ,

, DOCUMENT NAME: G:\PDI-1\ Beaver 1&2\Ma4616 LSSS Mtg Minutes.wpd l

! To receive a copy of this document, Indicate in the box: "C" = Copy without attachment / enclosure "E" = Copy

! with cttachment/ enclosure "N" = No copy ,

b. lE LA: POI 267f f /Q 4 l OFFICE PM:PDI 1 SC:PDI1g{M, l l l NAME DCollins /A U" M0'Brien h i 9 \() SBa. we f

DATE 06////99' 06A i /99 06/ hr99

% Official Record Copy I

i j

June 16, 1999 .

The' licensee agreed to provide the staff with copies of the Westinghouse Technical Bulletin, ESBU-TB-96-07-RO, and letter, DLC-96-310, referenced in their January 18,1999, submittal. -

The staff stated that the presentation gave them a better understanding of how the analyses had been performed and that, with copies of these references, they should be able to move forward with their reviews of the licensee's submittal.

Original signed by:

Daniel S. Collins, Project Manager, Section 1 Project Directorate i Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-334 and 50-412

Enclosures:

1. List of Attendees

2. Licensee Handouts cc w/encts: See next page ,

Distribution: (w/encis)

Docket File ' HBalukjian EMarinos Public IAhmed JWermiel PDl-1 R/F OGC DCollins ACRS E-Mail MO'Brien ABlough, Region i DKern, Region i EAdensam (EGA1)

JZwolinski/SBlack- PEselgroth, Region i SBajwa NPerry, Region i MTSchiltz DOCUMENT NAME: G:\PDI-1\ Beaver 1&2\Ma4616 LSSS Mtg Minutes.wpd To receive a copy of this document, Indicate in the box: "C" = Copy without attachment / enclosure "E" = Copy l with cttachment/ enclosure "N" = No copy .

OFFICE PM:PDI-1 \ '. lE LA:PDI 2 '

.i- l SC:PDI1g{l,l l l l NAME DCollins f) V M0'Brien iI_ GBa, wa f'~

DATE 06///199' 06/.i/99 06/ h/99 Official Record Copy E

r 1

The licensee agreed to provide the staff with copies of the Westinghouse Technical Bulletin, ESBU-TB-96-07-RO, and letter, DLC-96-310, referenced in their January 18,1999, submittal.

The staff stated that the presentation gave them a better understanding of how the analyses had been performed and that, with copies of these references, they should be able to move forward with their reviews of the licensee's submittal. j i

han I ( Sh L -

Daniel S. Collins, Project Manager, Section 1 Project Directorate I  !

Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-334 and 50-412

Enclosures:

1. List of Attendees

2. Licensee Handouts cc w/encis: See next page

(

t.

, y o . .

LIST OF ATTENDEES MEETING WITH DLC STAFF MAY 18,1999, TO DISCUSS 'HNICAL ASPECTS OF j LICENSE AMENDMENT REQUEST TO REVISE TECHNICAL SPECIFICATION LIMITING SAFETY SYSTEM SETPOINTS (TAC NOS. MA 4616 AND MA4617) 1 NAME ORGANIZATION D, Collins NRC/NRR I. Ahmed NRC/NRR H. BalukJian NRC/NRR i R. Hart DLC j A. Dometrovich DLC l R. Hruby DLC i M. Manoleras DLC E. Ozenis Westinghouse i

i l

I 1

l l

l i

1 Enclosure 1

)

Beaver Valley Power Station, Units 1 and 2 Jay E. Silberg, Esquire Duquesne Light Company Shaw, Pittman, Potts & Trowbridge Beaver Valley Power Station 2300 N Street, NW. PO Box 4 Washington, DC 20037 Shippingport, PA 15077 -

ATTN: Kevin L. Ostrowski, Division Vice Duquesne Light Company President, Nuclear Operations Group Safety and Licensing Department and Plant Manager (BV-SOSB-7)

Mark S. Ackerman, Manager (2 Copies)

Beaver Valley Power Station Bureau of Radiation Protection PO Box 4, BV-A Pennsylvania Department of Shippingport, PA 15077 Environmental Protection

. ATTN: Michael P. Murphy Commissioner Roy M. Smith Post Office Box 2063 West Virginia Department of Labor Harrisburg, PA 17120 Building 3, Room 319 Capitol Complex Mayor of the Borough of Charleston,WV 25305 Shippingport Post Office Box 3 Director, Utilities Department Shippingport, PA 15077 Public Utilities Commission 180 East Broad Street Regional Administrator, Region l l Columbus, OH 43266-G573 U.S. Nuclear Regulatory Commission 475 Allendale Road Director, Pennsylvania Emergency King of Prussia, PA 19406 Management Agency Post Office Box 3321 Resident inspector Harrisburg, PA 17105-3321 U.S. Nuclear Regulatory Commission Post Office Box 298 Ohio EPA-DERR Shippingport, PA 15077 ATTN: Zack A. Clayton Post Office Box 1049 Duquesne Light Company Columbus, OH 43266-0149 Beaver Valley Power Station PO Box 4 Dr. Judith Johnsrud Shippingport, PA 15077 National Energy Committee ATTN: S. C. Jain, Senior Vice President Sierra Club Nuclear Services (BV-A) 433 Orlando Avenue State College, PA 16803 Mr. J. A. Hultz, Manager l Projects & Support Services ,

First Energy  !

76 South Main Street Akron, OH 44308 4

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