ML21260A019

Example Qualification Report

ML21260A019
Person / Time
Issue date:	09/16/2021
From:	Christian Jacobs Storage and Transportation Licensing Branch
To:
C JACOBS NRC/NMSS/DFM/STLB 3014156825
Shared Package
ML21260A017	List: ML21260A018 ML21260A019
References
Download: ML21260A019 (4)

Text

DRAFT FOR DISCUSSION Proposed content of the qualification report Parameter Topical Requirement - Qualified Value(s) - Justification - Information information in this column does Information in this column is in this column is input by not change and is to be carried input by the user; they must the user; they must add a over into the qualification state values that are reference to where report for reference use applicable to this appropriate justification qualification report; if a table (as required by topical)

(such as BECT) include such as calculation file, pointer to this information etc.

Allowable content definitions Shielding Design Changes Shielding design can be changed include reference FSAR, Provide references to and Site Specific via 72.48, some designs have differences in design and/or applicable 72.48 reports or Parameters variable thickness transfer casks, site-specific parameters that updated FSARs as however changes and/or site- deviate from the design basis appropriate specific parameters must be FSAR that have been included in the shielding analyses incorporated into this used as a part of the FSAR qualification method for dose rate calculations Fuel assemblies and Allowable fuel assemblies are in Include reference to TS/FSAR Include a reference to the characteristics that can be Table 2.2 of the topical; FSAR will and Table 2.2 of the topical calculation report loaded have more specific allowable fuel that include allowable documenting different mass assembly characteristics; different assemblies; if there are used for source term and masses of assemblies may be restrictions associated with an dose rate calculations analyzed as long as the same assembly used as an analysis mass is used in the source term parameter (i.e. if a and dose rate analyses different/lower assembly mass is used) that needs to be stated here Fuel Hardware Section 3.2 of the topical states State if fuel with Inconel Include a reference to the that if source term does not spacers is allowed and if they calculation report consider Inconel spacers then were considered in the source documenting how Inconel term evaluation DRAFT FOR DISCUSSION

DRAFT FOR DISCUSSION qualification must be restricted to spacers was considered fuel without them within source term Fuel Conditions Damaged or reconstituted fuel is State if and how much Include reference to Include allowed however the method for damaged and reconstituted reference to calculation file modeling this fuel is not part of fuel is allowed and include a for source term and dose the topical loading pattern(s)/locations rate that include this information (could be an appendix to this table)

Inserts/non-fuel hardware Allowable NFH are in Table 2.2 of If PWR, include inserts/NFH If NFH mass is different from (NFH) that can be loaded the topical; FSAR will have more that are allowed to be loaded; topical assumptions, include (PWR) specific allowable fuel assembly reference topical or FSAR as a reference to the characteristics; masses are in appropriate, and/or include calculation report Table 3.4 of topical; however allowable masses of inserts if documenting different NFH different masses can be used, if different mass used for source term different masses are used this calculations must be stated and loaded NFH are restricted to these masses Neutron source assembly Three options are explained State which option is selected If (1) is selected, provide (NSA; PWR only) within Section 3.4.3 of the topical. and if option (2) include the reference to justification that (1) no limit to NSAs if source is allowable number and location source is negligible, if (2) is determined to be negligible, (2) of NSAs selected provide reference quantify and consider NSA source to analyses showing source in calculation and number and term and compliance with location of NSAs is part of the dose rate limits content, (3) perform no evaluation and NSA are limited to 1 at the center of the basket Burnup/enrichment/cooling Can vary based on qualified Include allowable FQT or Include reference to times and loading patterns content, maximum burnup burnup/enrichment/cooling calculation file for source allowed is 68.2 GWd/mtU for times (can be appendix to this term and dose rate PWR fuel and 65.0 GWd/mtU for table)

BWR fuel; enrichment range is 0.5 wt% to 5.0 wt% 235U; cooling time is greater than or equal to 1 year DRAFT FOR DISCUSSION

DRAFT FOR DISCUSSION Analysis Method Design Basis Assembly Topical gives the option of using State here which design basis No justification needed assembly from Table 3.1 or 3.2 of assembly was chosen for the topical, this needs to be source term and transport consistent with what is used in the calculations FSAR SCALE Code Version Topical allows for newer version State here which version of If SCALE version is a newer of the SCALE code system than SCALE is used to perform than 6.2.1, provide 6.2.1. If newer versions of the source term calculations reference to documentation code are used, topical requires a of comparison per Section comparison per section 3.1 must 3.1 be performed Gamma/neutron group Gamma and neutron group State if the group structures Include reference to structures structure is documented in Tables from the topical have been calculation file that includes 3.5 and 3.6 and is allowed to used or state what the group justification of different change slightly per Section 3.2 structures are and if they are group structure and 3.3 of the topical different; similar to BECT, can be after this table in an appendix to this report Results Acceptance criteria Dose rates must meet acceptance Include comparison to Reference calculation file criteria as established in transport acceptance criteria (similar to with dose calculations method defined in FSAR FQT, wont fit in this box so may include as appendix, Appendix XYZ to this table, etc.)

Justify acceptance criteria FSAR will include criteria/method If there are design changes, Reference calculation file is valid if there are design for demonstrating that acceptance include results of with dose calculations changes criteria dose rate points are still criteria/method used to valid if there are design changes demonstrate acceptance from FSAR version where these criteria dose points are still were originally approved acceptable DRAFT FOR DISCUSSION

DRAFT FOR DISCUSSION Example Appendices Appendix A: FQT

[include FQTs with burnup/enrichment/cooling time]

Appendix B: Loading Pattern

[Include loading pattern, locations of damaged fuel, inserts, etc.]

Appendix C: Group structures

[Include gamma and neutron group structures if different from topical]

Appendix D: Acceptance Criteria

[Include results of dose rate calculations demonstrating that acceptance criteria has been met]

DRAFT FOR DISCUSSION