ML081770506

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Change to Three-Month Response to NRC Generic Letter 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems
ML081770506
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 06/25/2008
From: Flaherty M
Calvert Cliffs, Constellation Energy Group
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-08-001
Download: ML081770506 (2)


Text

Calvert Cliffs Nuclear Power Plant 0",

ste alion E Nuclear Generation Group U. S. Nuclear Regulatory Commission Washington, DC 20555 June 25, 2008 1650 Calvert Cliffs Parkway Lusby, Maryland 20657 ATTENTION:

SUB.fECT:

REFERENCES:

Document Control Desk Calvert Cliffs Nuclear Power Plant Unit No.2; Docket No. 50-318 Change to Three-Month Response to NRC Generic Letter 2008-01, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems" (a)

NRC Generic Letter 2008-01, dated January 11, 2008, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems" (b)

Letter from Mr. J. A. Spina (CCNPP) to Document Control Desk (NRC),

dated April 11, 2008, Three-Month Response to NRC Generic Letter 2008-01, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems" Reference (a) requested each licensee to provide certain information in a written response, to be submitted in accordance with 10 CFR 50.54(t), within nine months of the date of the Generic Letter (GL).

Additionally, Reference (a) requested that if a licensee cannot meet the requested respo nse date, the licensee "shall provide a response within 3 months of the date of this GL." In the three-month response, the licensee was requested to describe the alternative course of action that it proposes to take, including the basis for the acceptability ofthe proposed alternative course of action.

In Reference (b) we provided our three-month response to the requested information in Nuclear Regulatory Commission GL 2008-01 for Calvert Cliffs Unit 2. In our three-month response, we stated:

"Within six months after the end ofthe next scheduled Calvert Cliffs Unit 2 refueling outage, we will submit a written response informing the NRC ofthe activities performed consistent with the actions and information requested by GL 2008-01. "

We are revising that statement as follows:

"Within 90 days after the end ofthe next scheduled Calvert Cliffs Unit 2 refueling outage, we will submit a written response informing the NRC of the activities performed consistent with the actions and information requested by GL 2008-01."

Document Control Desk June 25, 2008 Page 2 Should you have questions regarding this matter, please contact Mr. Jay S. Gaines at (410) 495-5219.

Very truly yours,

~~,S)~~~

Mark D. Flaherty Manager - Engineering Services STATE OF MARYLAND TO WIT:

COUNTY OF CALVERT I, Mark D. Flaherty, being duly sworn, state that I am Manager - Engineering Services, Calvert Cliffs Nuclear Power Plant, Inc. (CCNPP), and that I am duly authorized to execute and file this response on behalf of CCNPP. To the best of my knowledge and belief, the statements contained in this document are true and correct. To the extent that these statements are not based on my personal knowledge, they are based upon information provided by other CCNPP employees and/or consultants. Such information has been reviewed in accordance with company practice and I believe it to be reliable.

SUbserib~and sworn before ~~a Notary Public in and for the State of Maryland and County of

21.

"14

,this~ day of

JU.J.-f?../

, 2008.

WITN ESS my I land and Notarial Seal:

My Commission Expires:

MDF/ALS/bjd 6 ate cc:

D. V. Pickett, NRC S. J. Collins, NRC Resident Inspector, NRC S. Gray, DNR