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{{Adams
#REDIRECT [[0CAN041402, Required Response 2 to March 12, 2012, Request for Information (Rfi), Enclosure 2, Recommendation 2.1, Flood Hazard Evaluation Report]]
| number = ML14105A366
| issue date = 04/14/2014
| title = Arkansas Nuclear One, Units 1 and 2: Required Response 2 to March 12, 2012, Request for Information (Rfi), Enclosure 2, Recommendation 2.1, Flood Hazard Evaluation Report
| author name = Browning J G
| author affiliation = Entergy Operations, Inc
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000313, 05000368
| license number = DPR-051, NPF-006
| contact person =
| case reference number = 0CAN041402
| document type = Letter
| page count = 5
}}
 
=Text=
{{#Wiki_filter:0CAN041402  
 
April 14, 2014
 
U.S. Nuclear Regulatory Commission
 
ATTN: Document Control Desk
 
11555 Rockville Pike
 
Rockville, MD 20852
 
==SUBJECT:==
Required Response 2 to March 12, 2012, Request for Information (RFI),  , Recommendation 2.1, Flood Hazard Evaluation Report
 
Arkansas Nuclear One - Units 1 and 2
 
Docket Nos. 50-313 and 50-368
 
License Nos. DPR-51 and NPF-6
 
==REFERENCES:==
: 1. NRC letter to Entergy, RFI Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3, and 9.3 of the Near-Term Task Force (NTTF) Review of Insights from the Fukushima Dai-ichi Accident
, dated March 12, 2012 (0CNA031208)
(ML12053A340) 2. Entergy letter to NRC, Entergy's Response to NRC RFI Pursuant to 10 CFR 50.54(f) Regarding the Flooding Aspects of Recommendations 2.1 and 2.3 of the NTTF Review of Insights from the Fukushima Dai-ichi
 
Accident, dated June 8, 2012 (0CAN061202) (ML12164A567) 3. Entergy letter to NRC, Assistance in Obtaining Information on Dams
, dated September 30, 2013 (0CAN091302) (ML13275A067) 4. NRC letter to Entergy, Supplemental Information Related to RFI Pursuant toTitle 10 of the Code of Federal Regulations 50.54(f) Regarding Flooding Hazard Reevaluations for Recommendation 2.1 of the NTTF Review of Insights fron the Fukushima Dai-ichi Accident
, dated March 1, 2013 (0CAN031302) (ML13044A561) 5. Entergy letter to NRC, Required Response 2 to March 12, 2012, Request for Information (RFI), Enclosure 2, Recommendation 2.1, Flood Hazard  
 
Evaluation Report
, dated March 12, 2014 (0CAN031401) (ML14071A459) 6. NRC email to Entergy, Request for Additional Information - Proposed Extension Request Regarding Response 2 to March 12, 2012, Request for Information, Enclosure 2, Recommendation 2.1, Flood Hazard
 
Reevaluation Report
, dated March 24, 2014 (0CNA031412)
(ML14083A683)
Entergy Operations, Inc.
1448 S.R. 333 Russellville, AR  72802
 
Tel  479-858-3110 Jeremy G. Browning Site Vice President Arkansas Nuclear One
 
0CAN041402 Page 2 of 3
 
==Dear Sir or Madam:==
 
On March 12, 2012, the NRC issued Reference 1 requesting information pursuant to Title 10 of
 
the Code of Federal Regulations 50.54(f). Enclosure 2 of that letter contained specific
 
requested Information associated with NTTF Recommendation 2.1 for flooding. By Reference 2
 
Entergy Operations, Inc. (Entergy) committed to submit the flood hazard evaluation for
 
Arkansas Nuclear One (ANO), Units 1 and 2 as a Category 2 site by March 12, 2014.
 
In September 2013 (Reference 3), Entergy requested the assistance of the NRC to obtain
 
information from three Districts of the United States Army Corps of Engineers (USACE) to
 
support the flood hazard reevaluation at ANO. Pursuant to the guidance in Reference 4,
 
Entergy requested a revision to its commitment for submittal of the flood hazard reevaluation
 
report to six months after USACE data is received (Reference 5).
 
By email dated March 24, 2014 (Reference 6), an NRC request for additional information (RAI)
 
was forwarded to Entergy associated with the revised commitment of Reference 5 as follows:
 
The NRC staff requests that Entergy provide a more detailed breakdown of the activities and analyses that remain to be conducted, as well as the associated schedule for those activities and analyses. The NRC staff suggests that a Gantt chart or similar format would be an effective means of communicating the schedule information.
The NRC and ANO personnel discussed this request in phone conversation on March 25, 2014. 
 
The NRC suggested ANO review similar information provided to the NRC by the Cooper and
 
Ft. Calhoun nuclear facilities. Following review, the ANO version of a Gantt chart did not
 
contain the level of detail provided by the aforementioned facilities. Therefore, remaining
 
activities were loaded as inputs into a work scheduling database to produce detail similar to that
 
previously provided to the NRC by other facilities.
The attachment to this letter provides a chart containing the information that Entergy believes provides the necessary response to the RAI.
 
This letter contains no new regulatory commitment. Should you have any questions concerning
 
the content of this letter, please contact Stephenie Pyle at 479.858.4704.
 
I declare under penalty of perjury that the foregoing is true and correct.
 
Executed on April 14, 2014.
 
Sincerely,
 
ORIGINAL SIGNED BY JEREMY G. BROWING
 
JGB/dbb
 
==Attachment:==
Detailed Breakdown of Remaining Activities - Flood Hazard Reevaluation
 
0CAN041402 Page 3 of 3
 
cc: Mr. Marc L. Dapas Regional Administrator
 
U. S. Nuclear Regulatory Commission
 
Region IV
 
1600 East Lamar Boulevard Arlington, TX  76011-4511 NRC Senior Resident Inspector
 
Arkansas Nuclear One
 
P. O. Box 310
 
London, AR  72847 U. S. Nuclear Regulatory Commission
 
Attn: Mr. Peter Bamford
 
MS O-8B3
 
One White Flint North
 
11555 Rockville Pike
 
Rockville, MD  20852
 
Attachment to 0CAN041402 Detailed Breakdown of Remaining Activities - Flood Hazard Reevaluation 
 
ANO RAI  A NANO RAI  ANO Schedule for RAI response
 
ANO RAI.01 ANO RAI.01  ANO Flood Hazard Evaluation Project
 
ANO RAI.02 ANO RAI.02  ANO Prob Max Flood on Arkansas River
,"
"
"3 "4
4 4
 
ANO RAI.03 ANO RAI.03  Dams Analysis
,4!
"
4
,
",
,
 
ANO RAI.04 ANO RAI.04  ANO Combined Events
!"
"
 
ANO RAI.05 ANO RAI.05  Reevaluation Report
 
!
"
3
 
4
 
!}}

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