U.S. ATLAS HL-LHC Upgrade Level 2 and Deputies-NSF only Management Mailing List

[Hal Evans <hgevans AT indiana.edu>]

Dear NSF L2Ms and DL2Ms,

Thanks for your work in putting together the Requirement Verification 
Matrices for your systems. We're still waiting for a few of these to 
come in, but based on what's been received so far, a few issues have 
emerged.

1. Tech Specs update. In some cases, what is written in the US Technical 
Specifications Spreadsheet (docdb # 216) is out of date. We want the RVM 
to match exactly what's in the Specifications Spreadsheet, so if you 
would like to make any changes, now would be a good time to do them. I 
would suggest that any changes you do make be minimal in the spirit of 
keeping the US specs as simple a summary of the most important ATLAS 
specifications as possible.
Please let us know if you intend to make changes to the US specs.

2. Multiple institutes contributing to test of a given requirement. For 
the purpose of developing/verifying QA criteria, this does not pose any 
issues. There can certainly be multiple sources of input to QA. Also, 
multiple sites can perform QC tests on the hardware that is distributed 
to them. However, the situation is different for firmware QC since there 
the tests are really only performed once. Presumably this should be done 
at some centralized location where all the firmware and hardware are 
present (the CERN STF?) and not at individual institute test stands. 
This central location should be listed as the test site. We could then 
list the (single) institute that is responsible to see that the test is 
done correctly at the central location for each requirement.

3. QC for requirements. We should make sure that each requirement listed 
will actually be part of the suite of QC tests done on every item 
produced. For some requirements, it may be enough to demostrate that the 
design meets QA. We may want to add a "QC element" column that indicates 
whether this requirement is tested for all production items (100%), for 
only a subset of items (xx%), or is verified as part of QA (---).

Please let us know your thoughts on these issues, and also speak up if 
you have other questions or comments. Based on the feedback here, we can 
decide upon any changes to the current RVM format.

Please send at least an initial response by this Friday, March 20.

Thanks  -  Hal

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 Hal Evans                        hgevans AT indiana.edu
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