PLA-6622, Annual Report Per 10 CFR 50.46

Annual Report Per 10 CFR 50.46

ML101790308
Person / Time
Site:	Susquehanna
Issue date:	06/25/2010
From:	Rausch T Susquehanna
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
PLA-6622
Download: ML101790308 (2)

Text

Timothy S. Rausch PPL Susquehanna, LLG Sf. Vice President & Chief Nuclear Officer 769 Salem Boulevard Bewick, PA 18603 Tel. 570.542.3445 Fax 570,542.1504 tsrausch@pplweb,com U. S. Nuclear Regulatorg. Commissior~

Document Control Desk Mail Stop OP 1- 17 IVashington. DC 2055 5-000 1 SUSQUEHANNA STEAM ELECTRIC STATION 10 CFR 50.46 - ANNUAL REPORT Docket Nos. 50-387 PLA-6622 and 50-388 References. I ) PPL Letter PLA-6525. @urn FK H. Spence (PPL,)

to Documetzl ConfrolDesk fitiIiC1, "10 CFR 50.f 6 - A~inuur'Rep~urf,"

dateiJJz4ne 30, 2009.

This report is being sent in accordance with 10 CFR 50.46(a)(3)(ii).

10 GFR 50.46(a)(3)(ii) requires (in past) annual reporting of changes to or errors in evaluation models used for calculating Emergency Core Cooling Systein (ECCS) performance. and an estimate of their effect on the limiting ECCS analysis.

Additionally, a proposed schedule is required for re-analysis or identification of other actions necessary to show coimpliance with 10 CFR 50.46 requirements.

The ECCS perforonnance evaluation method applicable to both Susyuehar~tlaSES Unit 1 and LJnit 2 is the A E V A EXEM BWR - 2000 LOCA Methodology.

Susquehmna SES Units 1 and 2 operated at E.itended Pcrtver Uprate Conditions IEPIJ) w ~ f ha licensed thermal power of 3952 hiiIVtk9. Since the eubrnitrlsi s f the last annual 10 CFW %19,14report ((Reference 1) until June 11.2010, there have been no non-zero PCT changes reported to PPL Susquehanna, LLC for LJnils 1 and 2 , Thus, the current licensing basis PCT remains valid and no I-"ufi-rheractions are required. This letter meets the annual reponing requirements.

PPI, Srzsquehanna, LI,C .;%illcontinue to track future changes to the erialuatron models

~ s e din the appiicabIe LOCA analqsls methods to ensure that the PGT values remain below the 16CI'R 50-46limit. and to ensure ihai the 10 CFR 50 46 reporting requircnsents are met,