ML021280688

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Facsimile Transmission, Draft Request for Additional Information (RAI) to Be Discussed in an Upcoming Conference Call
ML021280688
Person / Time
Site: Millstone Dominion icon.png
Issue date: 05/08/2002
From: Nerses V
NRC/NRR/DLPM/LPD1
To: Clifford J
NRC/NRR/DLPM/LPD1
Nerses V
References
TAC MB3126
Download: ML021280688 (3)


Text

May 8, 2002 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 /RA/

Project Directorate I, Section 2 Division of Licensing Project Management Office of Nuclear Reactor Regulation

SUBJECT:

MILLSTONE NUCLEAR POWER STATION, UNIT 3, FACSIMILE TRANSMISSION, DRAFT REQUEST FOR ADDITIONAL INFORMATION (RAI) TO BE DISCUSSED IN AN UPCOMING CONFERENCE CALL (TAC NO. MB3126)

The attached draft RAI was transmitted by facsimile on May 8, 2002, to Mr. Paul Russell, Dominion Nuclear Connecticut, Inc. (DNC). This draft RAI was transmitted to facilitate an upcoming conference call in order to clarify certain items in the licensees application dated October 1, 2001, regarding reactor coolant system operational leakage. Review of the RAI would allow DNC to determine and agree upon a schedule to respond to the RAI. This memorandum and the attachment do not convey a formal request for information or represent an NRC staff position.

Docket No. 50-423

Enclosure:

Draft Request for Additional Information

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 /RA/

Project Directorate I, Section 2 Division of Licensing Project Management Office of Nuclear Reactor Regulation

SUBJECT:

MILLSTONE NUCLEAR POWER STATION, UNIT 3, FACSIMILE TRANSMISSION, DRAFT REQUEST FOR ADDITIONAL INFORMATION (RAI) TO BE DISCUSSED IN AN UPCOMING CONFERENCE CALL (TAC NO. MB3126)

The attached draft RAI was transmitted by facsimile on May 8, 2002, to Mr. Paul Russell, Dominion Nuclear Connecticut, Inc. (DNC). This draft RAI was transmitted to facilitate an upcoming conference call in order to clarify certain items in the licensees application dated October 1, 2001, regarding reactor coolant system operational leakage. Review of the RAI would allow DNC to determine and agree upon a schedule to respond to the RAI. This memorandum and the attachment do not convey a formal request for information or represent an NRC staff position.

Docket No. 50-423

Enclosure:

Draft Request for Additional Information DISTRIBUTION:

PDI-2 Rdg PUBLIC SSun, SRXB VNerses Accession No.: ML021280688 OFFICE PDI-2/PM SC/SRXB NAME VNerses FAkstulewicz DATE 5/8 /02 5/8 /02 OFFICIAL RECORD COPY

DRAFT REQUEST FOR ADDITIONAL INFORMATION TS Changes Related to RCS Operational Leakage (TAC NO. MB3126)

. INSERT B to page B 3/4 4-5 of Attachment 3 to the licensees letter dated October 1, 2001, states , in part, that ... The requirements of Surveillance Requirement 4.4.6.2.2 to verify that a pressure isolation valve is OPERABLE shall be performed within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after the required RCS pressure has been met.

The licensee has not specified the time to initiate the RCS pressurization for the PIV leakage testing. It is not clear that the added information to the basis is consistent with the required time constraint for PIV leakage testing (within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after the PIV has been reseated) in SR 4.4.6.2.2.d, which requires that the PIV leakage testing shall be performed within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> following valve actuation due to automatic or manual action or flow through the valve. Provide information to clarify the consistency between the SR and the added basis related to the time constraint for the PIV testing.