ML102100211

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

ML102100211
Person / Time
Site:	Waterford
Issue date:	07/29/2010
From:	Kalyanam K Plant Licensing Branch IV
To:	Steelman W Entergy Operations
Kalyanam N, NRR/DORL/LPL4, 415-1480
References
TAC MD7894
Download: ML102100211 (3)

Text

From: Kalyanam, Kaly Sent: Thursday, July 29, 2010 10:23 AM To: STEELMAN, WILLIAM J

Subject:

RAI on Generic Letter GL 2008-01 By letters dated October 14, 2008 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML082900038), and March 4, 2010 (ADAMS Accession No. ML100640545), Entergy Nuclear South (Entergy) the licensee for the Waterford Steam Electric Station, Unit 3 (Waterford 3) provided response to Generic Letter (GL) 2008-01.

On the basis of the provided information, the Nuclear Regulatory Commission (NRC) staff has concluded that additional information is required to determine that the licensee has acceptably demonstrated that the subject systems are in compliance with the current licensing and design bases and applicable regulatory requirements, and that suitable design, operational, and testing control measures are in place for maintaining this compliance as stated in GL 2008-01.

Please provide your response within 45 days from the receipt of the RAI. Please contact Kaly N. Kalyanam, at 301 415 1480, if you have any questions regarding the RAI or the response date.

The Request for Additional Information is as follows:

REQUEST FOR ADDITIONAL INFORMATION Guidance on U.S. 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 communication. The NRC staff recommends that the licensee consult Reference 1 when responding to the following RAIs:

1. Discuss the surveillance criteria, surveillance methods, and surveillance locations for emergency core cooling system (ECCS), shutdown cooling system, and containment spray systems.

2. Discuss the pump void acceptance criteria for ECCS, shutdown cooling system, and containment spray systems.

3. Training was not identified in the GL 2008-01 but is considered to be a necessary part of applying procedures and other activities when addressing the issues identified in the GL 2008-01. Briefly discuss training.

References:

1 Ruland, William H. 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, NRC letter to James H. Riley, Nuclear Energy Institute, ML091390637, May 28, 2009.

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

3. Robert J. Murillo, Nine- Month Response To NRC Generic Letter 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, Letter from Entergy Nuclear South, dated October 14, 2008.

4. Robert J. Murillo, Nine-Month Supplemental (Post Outage) Response to NRC Generic Letter 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems, Letter from Entergy Nuclear South, dated March 4, 2010.

E-mail Properties Mail Envelope Properties ()

Subject:

RAI on Generic Letter GL 2008-01 Sent Date: 7/29/2010 9:44:13 AM Received Date: 7/29/2010 10:22:00 AM From: Kalyanam, Kaly Created By: Kaly.Kalyanam@nrc.gov Recipients:

wsteelm@entergy.com (STEELMAN, WILLIAM J)

Tracking Status: None Post Office:

Files Size Date & Time MESSAGE 15138 7/29/2010 Options

Expiration Date:

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