ML090230517

Transmittal of Response to Request for Additional Information Calvert Cliffs 2 (Clarification): Proposed Alternative ISI-020 Reactor Vessel Weld Examination Extension

ML090230517
Person / Time
Site:	Calvert Cliffs
Issue date:	01/23/2009
From:	Flaherty M Calvert Cliffs, Constellation Energy Group, Nuclear Generation Group
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
TAC MD9773
Download: ML090230517 (2)

Text

Calvert Cliffs Nucl ear Power Plant 1650 Calvert Cliffs Parkway O ..,

tella io Nuclear Genera ion Group gy Lusby, Maryland 20657 January 23, 2009 U. S. Nuclear Regulatory Commission Washington, DC 20555 ATTENTION: Document Contro l Desk

SUBJECT:

Calvert Cliffs Nuclear Power Plant Unit No.2; Docket No. 50-318 Response to Request for Additiona l Information Calvert Cliffs 2 (Clarification):

Proposed Alternative ISI-020 Reactor Vessel Weld Examination Extension (TAC No. MD9773)

REFERENCES:

(a) Letter from Mr. M. D. Flaherty (CCNPP) to Document Control Desk (NRC), dated October 1, 2008, Revised Request to Extend the Inservice Inspection Interval for Reactor Vessel Weld Examinations - Relief Requests (ISI-020 and ISI-021)

(b) Letter from Mr. D. V. Pickett (NRC) to Mr. J. A. Spina (CCNPP), dated December 5, 2008, Request for Additional Information Re: Proposed Relief Request ISI-020 for Reactor Vessel Weld Examination s - Calvert Cliffs Nuclear Power Plant, Unit No. 2 (TAC No. MD9773)

(c) Letter from Mr. M. D. Flaherty (CCNPP) to Document Control Desk (NRC), dated December 18, 2008, Response to Request for Additional Information Calvert Cliffs 2: Proposed Alternative ISI-020 Reactor Vessel Weld Examination Extension (TAC No. MD9773)

In Reference (a), we provided Relief Request ISI-020, requesting an alternative from the Code requirements pursuant to 10 CFR 50.55a(a)(3)(i). In Reference (b), the Nuclear Regulatory Commission staff requested additional information necessary to complete their review of ISI-020. Our response was provided in Reference (c). The NRC has requested clarification of our response to Question 1 (contained in Reference c). This information is provided in Attachment (1).

Should you have questions regarding this matter, please contact Mr. Jay S. Gaines at (410) 495-5219.

Very truly yours,

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Mark D. Flaherty Manager-Engineering Services MDF/ALS/bjd

Attachment:

( 1) RAI Clarification -- Proposed Alternative ISI-020

Document Control Desk January 23, 2009 Page 2 cc: D. V. Pickett, NRC S. Gray, DNR S. 1. Collins, NRC Safety Program Manager, State of Maryland Resident Inspector, NRC