Commercial Grade Dedication for SCALE

[Matthew Conrady]

Hello,

I am interested if anyone can provide examples of what they have done for commercial grade dedication of SCALE. We have been questioned as to the completeness of our CGD process and documentation and am curious to see what others are doing to complete this process.

Thank you,

Matthew Conrady

mmco...@bechtel.us

[Brian Elder]

I am also interested. We will need to do the same sometime later this year, but haven't done so before. 

Thanks,

Brian Elder

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[Matt Harris]

I can perhaps offer some help.   I work for Curtiss-Wright and we performed CGD of SCALE 6.1.2 back in 2013 and updated it in 2017 for NUPIC audits.    We also provided some of the information in responses to RAIs for a LAR to the NRC as well.   

I actually took the Software CGD course down in Norcross, GA (forget the company that offers this at the moment) but the lead auditor for NUPIC that year was taking the course at the same time, so he indicated to me that they would be looking at the software CGD at the upcoming audit, so we were pretty prepared for it.

If you can list which specific CGD items you are looking at, that may be easier.

Matt Harris

Segment Manager - NETCO 

Curtiss-Wright Nuclear

[Matthew Conrady]

Hi Matt,

So I am only testing and bringing Origen onto the project. I’d be interested in knowing what you selected for critical characteristics and your validation method(s).

Thanks,

Matthew Conrady

Matthew M. Conrady

matthew...@gmail.com

509-521-8330 (Cell)

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[Brian Elder]

Likewise, we only use ARP and ORIGEN.

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[M Harris]

Brian, Matt

Ok.  I am out of the office until Tuesday.  Let me look at it next week and I’ll get back to you.

Regards,

Matt

Sent from my iPhone

On Mar 19, 2026, at 10:16 AM, Brian Elder <gth...@gmail.com> wrote: