ML25069A616

Response to NuScale Topical Report Audit Question Number: A-FSR.LTR-27

ML25069A616
Person / Time
Site:	05200050
Issue date:	03/10/2025
From:	NuScale
To:	Office of Nuclear Reactor Regulation
Shared Package
ML25069A609	List: ML25069A610 ML25069A611 ML25069A613 ML25069A614 ML25069A616 ML25069A628 ML25069A630 ML25069A632 ML25069A634 ML25069A636 ML25069A641 ML25069A643 ML25069A645 ML25069A648 ML25069A650 ML25069A659 ML25069A661 ML25069A662 ML25069A663 ML25069A665
References
LO-180139
Download: ML25069A616 (1)

Text

Response to NuScale Topical Report Audit Question Question Number: A-FSR.LTR-27 Receipt Date: 10/14/2024 Question:

Where do the values in Table 6-5 come from? Are they BU dependent? How are they conservative?

Response

The (( [

]2(a),(c) presented in Table 6-5 are developed from (( }}2(a),(c) These codes are found acceptable for application to the NuScale reactor in TR-0616-48793-P-A, Nuclear Analysis Codes and Methods Qualification, Revision 1. The operating parameters in Table 6-5 are the (( }}2(a),(c) The additional bias is shown in Table 1 below: Table 1: Bias Treatment for Operating Parameter Axial Distributions Parameter Bias Treatment Bias Value (( }}2(a),(c) NuScale Nonproprietary NuScale Nonproprietary

(( }}2(a),(c) No changes to the LTR are necessary. NuScale Nonproprietary NuScale Nonproprietary}}