ML14162A376: Difference between revisions
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{{#Wiki_filter: | {{#Wiki_filter:1 NRR-PMDAPEm Resource From: Rankin, Jennivine Sent: Tuesday, June 10, 2014 3:55 PM To: medwards@oppd.com; BHansher@oppd.com Cc: Sebrosky, Joseph | ||
==Subject:== | ==Subject:== | ||
Fort Calhoun request for additional information regarding license amendment to revise method for controlling raw water intake cell level during floods (MF2591)Mr. Hansher and Mr. Edwards, By letter dated August 13, 2013 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML13231A178) Omaha Public Power District (OPPD) submitted a license amendment application to revise the method for controlling raw water intake cell level during floods. The U.S. NRC staff | Fort Calhoun request for additional information regarding license amendment to revise method for controlling raw water intake cell level during floods (MF2591)Mr. Hansher and Mr. Edwards, By letter dated August 13, 2013 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML13231A178) Omaha Public Power District (OPPD) submitted a license amendment application to revise the method for controlling raw water intake cell level during floods. The U.S. NRC staff | ||
has reviewed the information provided in your August 13, 2013, license amendment request and determined that additional information is required in order to complete its review. These requests for additional information (RAIs) can be found below. | has reviewed the information provided in your August 13, 2013, license amendment request and determined that additional information is required in order to complete its review. These requests for additional information (RAIs) can be found below. | ||
| Line 28: | Line 28: | ||
formal transmittal of the RAIs. | formal transmittal of the RAIs. | ||
Sincerely, | Sincerely, Jennie Rankin Project Manager Nuclear Regulatory Commission Division of Operating Reactor Licensing jennivine.rankin@nrc.gov 301-415-1530 REQUEST FOR ADDITIONAL INFORMATION ON LICENSE AMENDMENT FOR REVISING THE METHOD FOR CONTROLLING RAW WATER INTAKE CELL LEVEL FORT CALHOUN STATION OMAHA PUBLIC POWER DISTRICT DOCKET NO. 50-285 (Balance of Plant Branch) SBPB RAI 6 The new intake cell flood water inlet valves are classified as Safety Class 3. As stated in Appendix N of the Updated Safety Analysis Report (USAR), Safety Class 3 corresponds to the USA Standard B31.7 Class III or American Society of Mechanical Engineers Section III Class 3 equipment design codes. The design conditions for Class 3 piping contained in these codes include a requirement to consider the effects of seismic events. Additionally, USAR Appendix N states that Safety Class 1, 2, and 3 equipment is considered to be Seismic Category I. Section 3.6 of the License Amendment Request (LAR) states that the intake cell flood water inlet valves are not required to be seismically qualified or seismically supported. Provide justification for the discrepancy between the equipment code requirements and the intake cell flood water inlet valve design. | ||
Jennie Rankin Project Manager Nuclear Regulatory Commission Division of Operating Reactor Licensing jennivine.rankin@nrc.gov 301-415-1530 REQUEST FOR ADDITIONAL INFORMATION ON LICENSE AMENDMENT FOR REVISING THE METHOD FOR CONTROLLING RAW WATER INTAKE CELL LEVEL FORT CALHOUN STATION OMAHA PUBLIC POWER DISTRICT DOCKET NO. 50-285 (Balance of Plant Branch) SBPB RAI 6 The new intake cell flood water inlet valves are classified as Safety Class 3. As stated in Appendix N of the Updated Safety Analysis Report (USAR), Safety Class 3 corresponds to the USA Standard B31.7 Class III or American Society of Mechanical Engineers Section III Class 3 equipment design codes. The design conditions for Class 3 piping contained in these codes include a requirement to consider the effects of seismic events. Additionally, USAR Appendix N states that Safety Class 1, 2, and 3 equipment is considered to be Seismic Category I. Section 3.6 of the License Amendment Request (LAR) states that the intake cell flood water inlet valves are not required to be seismically qualified or seismically supported. Provide justification for the discrepancy between the equipment code requirements and the intake cell flood water inlet valve design. | |||
2PRA Operations and Human Factors Branch (APHB) RAI 1 List and describe the procedure revisions required to support the LAR. | 2PRA Operations and Human Factors Branch (APHB) RAI 1 List and describe the procedure revisions required to support the LAR. | ||
Revision as of 14:51, 9 July 2018
| ML14162A376 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 06/10/2014 |
| From: | Jennivine Rankin Division of Operating Reactor Licensing |
| To: | Edwards M Omaha Public Power District |
| References | |
| MF2591 | |
| Download: ML14162A376 (3) | |
Text
1 NRR-PMDAPEm Resource From: Rankin, Jennivine Sent: Tuesday, June 10, 2014 3:55 PM To: medwards@oppd.com; BHansher@oppd.com Cc: Sebrosky, Joseph
Subject:
Fort Calhoun request for additional information regarding license amendment to revise method for controlling raw water intake cell level during floods (MF2591)Mr. Hansher and Mr. Edwards, By letter dated August 13, 2013 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML13231A178) Omaha Public Power District (OPPD) submitted a license amendment application to revise the method for controlling raw water intake cell level during floods. The U.S. NRC staff
has reviewed the information provided in your August 13, 2013, license amendment request and determined that additional information is required in order to complete its review. These requests for additional information (RAIs) can be found below.
A draft RAI was transmitted on June 5 and 6, 2014, and it was determined by OPPD that a clarification call was not needed.
Please provide a response to these RAIs by July 11, 2014. Should the NRC determine that the RAIs found below are no longer necessary prior to the dates found above, the request will be withdrawn. Please contact me if circumstances result in the need to revise the requested response date. Please treat this e-mail as
formal transmittal of the RAIs.
Sincerely, Jennie Rankin Project Manager Nuclear Regulatory Commission Division of Operating Reactor Licensing jennivine.rankin@nrc.gov 301-415-1530 REQUEST FOR ADDITIONAL INFORMATION ON LICENSE AMENDMENT FOR REVISING THE METHOD FOR CONTROLLING RAW WATER INTAKE CELL LEVEL FORT CALHOUN STATION OMAHA PUBLIC POWER DISTRICT DOCKET NO. 50-285 (Balance of Plant Branch) SBPB RAI 6 The new intake cell flood water inlet valves are classified as Safety Class 3. As stated in Appendix N of the Updated Safety Analysis Report (USAR), Safety Class 3 corresponds to the USA Standard B31.7 Class III or American Society of Mechanical EngineersSection III Class 3 equipment design codes. The design conditions for Class 3 piping contained in these codes include a requirement to consider the effects of seismic events. Additionally, USAR Appendix N states that Safety Class 1, 2, and 3 equipment is considered to be Seismic Category I. Section 3.6 of the License Amendment Request (LAR) states that the intake cell flood water inlet valves are not required to be seismically qualified or seismically supported. Provide justification for the discrepancy between the equipment code requirements and the intake cell flood water inlet valve design.
2PRA Operations and Human Factors Branch (APHB) RAI 1 List and describe the procedure revisions required to support the LAR.
APHB RAI 2 Describe the training that will be provided to support the LAR and the audience for the training.
APHB RAI 3 Describe the alarms, displays, and controls that operators will use to accomplish the proposed actions.
APHB RAI 4 Describe the method(s) that will be used to validate that the actions are feasible, reliable, and can be completed in the time available.
Hearing Identifier: NRR_PMDA Email Number: 1354 Mail Envelope Properties (Jennivine.Rankin@nrc.gov20140610155500)
Subject:
Fort Calhoun request for additional information regarding license amendment to revise method for controlling raw water intake cell level during floods (MF2591) Sent Date: 6/10/2014 3:55:02 PM Received Date: 6/10/2014 3:55:00 PM From: Rankin, Jennivine Created By: Jennivine.Rankin@nrc.gov Recipients: "Sebrosky, Joseph" <Joseph.Sebrosky@nrc.gov> Tracking Status: None "medwards@oppd.com" <medwards@oppd.com> Tracking Status: None "BHansher@oppd.com" <BHansher@oppd.com>
Tracking Status: None Post Office: Files Size Date & Time MESSAGE 2993 6/10/2014 3:55:00 PM
Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received: