ML093020205

Email, Request for Additional Information, Generic Letter 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems

ML093020205
Person / Time
Site:	Columbia
Issue date:	10/29/2009
From:	Nicholas Difrancesco Plant Licensing Branch IV
To:	Humphreys M Energy Northwest
DiFrancesco Nick, NRR/DORL/LP4, 415-1115
References
GL-08-001, TAC MD7812
Download: ML093020205 (2)

Text

From: DiFrancesco, Nicholas Sent: Thursday, October 29, 2009 10:41 AM To: Humphreys, Michael C.

Cc: Walli, Lori A.

Subject:

NRC Request for Additional Information,Re:Generic Letter 2008-01,"Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems" (TAC No. MD7812).

October 29, 2009 Mr. Mike Humphreys Licensing Supervisor Columbia Generating Station Energy Northwest Mike:

By letters dated October 8, 2008 and September 21, 2009, Energy Northwest, the licensee for the Columbia Generating Station (CGS) provided responses to Generic Letter (GL) 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, dated January 11, 2008.

The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed your responses and has determined that the information specified in the Request for Additional Information (RAI) is needed for the staff to complete its evaluation of this generic issue for Columbia Generating Station. In order for the staff to complete its review in a timely manner, we request that you submit your response to the RAI provided below no later than December 11, 2009. Please contact me if Energy Northwest would like to have a conference call to discuss the RAI.

Sincerely, Nick DiFrancesco Project Manager Nuclear Regulatory Commission Division of Operating Reactor Licensing nicholas.difrancesco@nrc.gov Tel: (301) 415-1115 Fax: (301) 415-1222 REQUEST FOR ADDITIONAL INFORMATION COLUMBIA GENERATING STATION GENERIC LETTER (GL) 2008-01 NINE MONTH RESPONSE REVIEW Guidance on Nuclear Regulatory Commission (NRC) staff expectations is provided by Reference 1 which is generally consistent with Nuclear Energy Institute (NEI) guidance provided to industry in Reference 2 as clarified in later NEI communications. The NRC staff recommends that the licensee consult Reference 1 when responding to the following RAI:

1. Summarize Energy Northwests procedural approach to monitoring pump operation in all modes.

Specifically, include provisions for specialized monitoring of appropriate plant parameters during shutdown operation, including, for instance, control of reactor vessel water level at Columbia Generating Station.

2. Provide a brief discussion of any training that is planned in response to GL 2008-001.

REFERENCES

1. Ruland, William H., USNRC, letter to Riley, James H., Nuclear Energy Institute. Preliminary Assessment of Responses to Generic Letter 2008-01, Managing Gas Accumulation in emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, and Future NRC Staff Review Plans, May 28, 2009 (ADAMS Accession ML091390637).

2. Riley, James H., Nuclear Energy Institute, letter to Administrative Points of Contact Generic Letter (GL) 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Contain Spray Systems Evaluation and 3 Month Response Template, Enclosure 2, Generic Letter 2008-01 Response Guidance, March 20, 2008.

E-mail Properties Mail Envelope Properties ()

Subject:

NRC Request for Additional Information,Re:Generic Letter 2008-01,"Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems" (TAC No. MD7812).

Sent Date: 10/29/2009 9:18:55 AM Received Date: 10/29/2009 10:41:00 AM From: DiFrancesco, Nicholas Created By: Nicholas.DiFrancesco@nrc.gov Recipients:

MCHUMPHREYS@energy-northwest.com (Humphreys, Michael C.)

Tracking Status: None LWALLI@energy-northwest.com (Walli, Lori A.)

Tracking Status: None Post Office:

Files Size Date & Time MESSAGE 13524 10/29/2009 Options Expiration Date:

Priority: olImportanceNormal ReplyRequested: False Return Notification: False Sensitivity: olNormal Recipients received: