View source for CNL-16-136, Request for Review and Approval of Topical Report TVA-NPG-AWA16, - TVA Overall Basin Probable Maximum Precipitation and Local Intense Precipitation Analysis, Calculation CDQ0000002016000041

{{Adams
| number = ML16264A454
| issue date = 09/20/2016
| title = Request for Review and Approval of Topical Report TVA-NPG-AWA16, - TVA Overall Basin Probable Maximum Precipitation and Local Intense Precipitation Analysis, Calculation CDQ0000002016000041
| author name = Shea J W
| author affiliation = Tennessee Valley Authority
| addressee name = 
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000259, 05000260, 05000296, 05000327, 05000328, 05000390, 05000391
| license number = DPR-033, DPR-052, DPR-068, DPR-077, DPR-079, NPF-090, NPF-096
| contact person = 
| case reference number = CNL-16-136, TVA-NPG-AWA16
| document type = Letter type:CNL
| page count = 4
}}

=Text=
{{#Wiki_filter:Tennessee Valley Authority, 1101 Market Street, Chattanooga, Tennessee 37402 CNL-16-136 

September 20, 2016 10 CFR 50.4 

ATTN:  Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Browns Ferry Nuclear Plant, Units 1, 2, and 3 Renewed Facility Operating License Nos. DPR-33, DPR-52, and DPR-68 NRC Docket Nos. 50-259, 50-260, and 50-296 Sequoyah Nuclear Plant, Units 1 and 2 Renewed Facility Operating License Nos. DPR-77 and DPR-79 NRC Docket Nos. 50-327 and 50-328 Watts Bar Nuclear Plant, Units 1 and 2 Facility Operating License Nos. NPF-90 and NPF-96 NRC Docket Nos. 50-390 and 50-391 

==Subject:==
Request for Review and Approval of Topical Report TVA-NPG-AWA16, "TVA Overall Basin Probable Maximum Precipitation and Local Intense Precipitation Analysis, Calculation CDQ0000002016000041" 

==Reference:==
Summary of April 4, 2016, Public Meeting With TVA Regarding Hydrology-Related Licensing Actions, Sequoyah Nuclear Plant, Units 1 and 2 (CAC Nos.
ME9238 AND ME9239), dated May 2, 2016 (ML16117A551)
Tennessee Valley Authority (TVA) is submitting topical report TVA-NPG-AWA16, "TVA Overall Basin Probable Maximum Precipitation and Local Intense Precipitation Analysis, Calculation CDQ0000002016000041" for review and approval. Approval of this Topical Report is requested to support Probable Maximum Flood calculations and associated License Amendment Requests for Sequoyah Nuclear Plant, Units 1 and 2, and Watts Bar Nuclear Plant, Units 1 and 2, as discussed in the Reference. This topical report does not contain proprietary information. 

U.S. Nuclear Regulatory Commission CNL-16-136 

Page 2 September 20, 2016 

This topical report describes the work performed to calculate the Probable Maximum Precipitation for any location within the overall Tennessee Valley Authority (TVA) basin and Local Intense Precipitation (LIP) at the BFN, SQN, and WBN sites. The report outlines the process, data, and methods used to analyze storms and develop the PMP values. Results and background data are provided and discussed, along with comparisons to previous PMP work in the region. Relevant background data, input calculation, and reference materials are included in various appendices.   

Enclosed is one copy of topical report TVA-NPG-AWA16 and one compact disk containing a portable document format (PDF) version of this letter and the topical report.   

There are no regulatory commitments associated with this submittal. Please address any questions regarding this request to Russell Thompson at 423-751-2567.   

Respectfully, 

J. W. Shea Vice President, Nuclear Licensing 

==Enclosure:==
TVA-NPG-AWA16, "TVA Overall Basin Probable Maximum Precipitation and Local Intense Precipitation Analysis, Calculation CDQ0000002016000041" cc (Enclosure):
NRC Regional Administrator - Region II  NRC Senior Resident Inspector - Browns Ferry Nuclear Plant  NRR Project Manager - Browns Ferry Nuclear Plant NRC Senior Resident Inspector - Sequoyah Nuclear Plant NRR Project Manager - Sequoyah Nuclear Plant NRC Senior Resident Inspector - Watts Bar Nuclear Plant  NRR Project Manager - Watts Bar Nuclear Plant  

U.S. Nuclear Regulatory Commission CNL-16-136 

Page 3 September 20, 2016 

JJV:RRT  bcc (w/o Enclosure):
M. A. Balduzzi G. A. Boerschig S. M. Bono  K. H. Bronson J. M. Casner T. M. Conner 

D. M. Czufin D. G. Dimopoulos S. M. Douglas K. D. Dutton E. K. Henderson 

D. L. Hughes J. P. Grimes 

S. W. Hunnewell M. W. McBrearty J. L. Paul W. J. Pierce G. E. Pry 

E. D. Schrull C. J. Schwarz J. W. Shea 

P. R. Simmons 

P. B. Summers, Jr. 

R. R. Thompson 

S. A. Vance B. A. Wetzel P. R. Wilson 

ECM CNL-16-136 E2-1 of 101 TVA-NPG-AWA16 "TVA Overall Basin Probable Maximum Precipitation and Local Intense Precipitation Analysis, Calculation CDQ0000002016000041"}}