ML14148A387

Request for Additional Information Related to Flood Hazard Reevaluation Report for Recommendation 2.1 of the Near-Term Task Force Review of the Insights from the Fukushima Dai-Ichi Accident

ML14148A387
Person / Time
Site:	Wolf Creek
Issue date:	06/02/2014
From:	Lyon C Plant Licensing Branch IV
To:	Heflin A Wolf Creek
Lyon C
References
TAC MF3648
Download: ML14148A387 (4)

Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 2, 2014 Mr. Adam C. Heflin President, Chief Executive Officer, and Chief Nuclear Officer Wolf Creek Nuclear Operating Corporation Post Office Box 411 Burlington, KS 66839

SUBJECT:

WOLF CREEK GENERATING STATION- REQUEST FOR ADDITIONAL INFORMATION REGARDING FLOOD HAZARD REEVALUATION REPORT (TAC NO. MF3648)

Dear Mr. Heflin:

By letter dated March 12, 2012 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML12053A340), the U.S. Nuclear Regulatory Commission (NRC) issued a "Request for Information 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 Review of Insights from the Fukushima Dai-ichi Accident." By letter dated March 10, 2014 (ADAMS Accession No. ML14077A280), Wolf Creek Nuclear Operating Corporation submitted the Flood Hazard Reevaluation Report for Wolf Creek Generating Station in response to Recommendation 2.1.

The NRC staff has determined that the additional information, as requested in the enclosure, is needed to complete its review of the report. Please provide a response within 30 days of the date of this letter. If you have any questions, please contact me at 301-415-2296 or via e-mail at fred.lyon@nrc.gov.

Sincerely, Carl F. Lyon, Project Manager Plant Licensing Branch IV-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-482 Enclosure Request for Additional Information cc w/encl: Distribution via Listserv

REQUEST FOR ADDITIONAL INFORMATION FLOOD HAZARD REEVALUATION REPORT WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION DOCKET NO. 50-482 By letter dated March 12, 2012 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML12053A340}, the U.S. Nuclear Regulatory Commission (NRC) issued a "Request for Information 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 Review of Insights from the Fukushima Dai-ichi Accident." By letter dated March 10, 2014 (ADAMS Accession No. ML14077A280), Wolf Creek Nuclear Operating Corporation submitted the Flood Hazard Reevaluation Report for Wolf Creek Generating Station in response to Recommendation 2.1.

The NRC staff has determined that the additional information, as requested below, is needed to complete its review of the report.

RAI No. 1. Please provide electronic versions of the following input and output files:

1. Input files for FL0-2D modeling

2. Summary.out file from FL0-2D modeling

3. Other, supporting, output files from FL0-2D modeling to review licensee's results independent of FHRR and ERR, which typically includes the following file types:

• MAXWSELEV.out

• DEPTH.out

• CHVOLUME.out

• CHAN MAX. out

• CROSSMAX.out

• HYCROSS.out

• CROSSQ.out

• HYCHAN.out

• HYDROSTRUCT.out

• VEL TIMEC.out

• VELTIMEFP.out

• TIMDEP.out

4. HEC-HMS and HEC-RAS input files, including calibration input files Enclosure

5. Supporting output files to review licensee's results, which typically include the following file types:

• HEC-HMS *.DSS

• HEC-HMS *.OUT

• HEC-RAS *.0##- output files

• HEC-RAS *.R##- restart files (depending on how the initial conditions are specified)

• HEC-RAS *.DSS

ML14148A387 *email OFFICE NRRIDORULPL4-1/PM NRR/DORULPL4-1/LA NRO/DSEAIRHM1/BC* NRR/DORL/LPL4-1/BC NRR/DORULPL4-1/PM NAME FLyon JBurkhardt CCook MMarkley FLyon DATE 5/30/14 5/30/14 5/27/14 6/2/14 6/2/14