ML031080071

Facsimile Transmission, Draft Request for Additional Information

ML031080071
Person / Time
Site:	Seabrook
Issue date:	04/17/2003
From:	Nerses V NRC/NRR/DLPM/LPD1
To:	Clifford J NRC/NRR/DLPM/LPD1
Nerses V, NRR//DLPM, 415-1484
References
TAC MB6613
Download: ML031080071 (3)

Text

April 17, 2003 MEMORANDUM TO: James W. Clifford, Chief, Section 2 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation FROM: Victor Nerses, Sr. Project Manager, Section 2 Project Directorate I /RA/

Division of Licensing Project Management Office of Nuclear Reactor Regulation

SUBJECT:

SEABROOK STATION, UNIT NO. 1, FACSIMILE TRANSMISSION, DRAFT REQUEST FOR ADDITIONAL INFORMATION (RAI) TO BE DISCUSSED IN AN UPCOMING CONFERENCE CALL (TAC NO. MB6613)

The attached draft RAI was transmitted by facsimile on April 17, 2003, to Mr. Mike OKeefe of FPL Energy Seabrook, LLC (the licensee). This draft RAI was transmitted to facilitate the technical review being conducted by NRR staff. The RAI was related to the licensees October 11, 2002, submittal concerning pressure/temperature curves and low temperature overpressure protection. Review of the RAI would allow the licensee to determine and agree upon a schedule to respond to the RAI. This memorandum and the attachment do not convey or represent an NRC staff position regarding the licensees request.

Docket No. 50-443

Attachment:

Draft RAI

April 17, 2003 MEMORANDUM TO: James W. Clifford, Chief, Section 2 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation FROM: Victor Nerses, Sr. Project Manager, Section 2 Project Directorate I /RA/

Division of Licensing Project Management Office of Nuclear Reactor Regulation

SUBJECT:

SEABROOK STATION, UNIT NO. 1, FACSIMILE TRANSMISSION, DRAFT REQUEST FOR ADDITIONAL INFORMATION (RAI) TO BE DISCUSSED IN AN UPCOMING CONFERENCE CALL (TAC NO. MB6613)

The attached draft RAI was transmitted by facsimile on April 17, 2003, to Mr. Mike OKeefe of FPL Energy Seabrook, LLC (the licensee). This draft RAI was transmitted to facilitate the technical review being conducted by NRR staff. The RAI was related to the licensees October 11, 2002, submittal concerning pressure/temperature curves and low temperature overpressure protection. Review of the RAI would allow the licensee to determine and agree upon a schedule to respond to the RAI. This memorandum and the attachment do not convey or represent an NRC staff position regarding the licensees request.

Docket No. 50-443

Attachment:

Draft RAI DISTRIBUTION PUBLIC J. Clifford V. Nerses M. Khanna PDI-2 Reading Accession Number: ML031080071 *See previous concurrence OFFICE PDI-2/PM PDI-2/PM EMCB/SC*

NAME GMiller VNerses MMitchell for SCoffin DATE 4/17/03 4/17/03 4/17/03 OFFICIAL RECORD COPY

DRAFT REQUEST FOR ADDITIONAL INFORMATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION FACILITY OPERATING LICENSE NO. NPF-86 FPL ENERGY SEABROOK, LLC SEABROOK STATION DOCKET NO. 50-443 TAC NO. MB6613

1. The proposed 20 effective full power years (EFPY) pressure-temperature (P-T) limit curves are based on the methods of Code Case N-641, Alternative Pressure-Temperature Relationship and Low Temperature Overpressure Protection System Requirements,Section XI, Division 1. The latest editions of ASME Section XI, Appendix G, endorsed by reference in 10 CFR 50.55a allow for use of plant specific KIT and temperature gradient values as acceptable inputs for the calculation of P-T limits for operating reactors. For each 32 EFPY P-T limit data point given in Tables 9-1 and 9-2 of Topical Report WCAP-15047, Revision 2, provide the corresponding KIT and temperature gradient values (i.e., the T values between the temperatures for RCS coolant and those at the 1/4T and 3/4T thickness locations of the RV) that were used for calculation of the data point.