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

[Hal Evans <hgevans AT indiana.edu>]

Dear L2Ms/DL2Ms,

Please find attached an updated version of the scope 
contingency/opportunity spreadsheet. After reading over the 
recommendations from PDR about this topic, we realized that we have been 
asked to provide a prioritization for our contingency/opportunity items. 
Clearly, any prioritization that we apply now will change in the future 
as the realities of the situation at ATLAS evolve. So you should not 
take this too seriously. However, since we're required to do it, here's 
an attempt.

The basic criteria we applied in producing the prioritization are:

1. Scope Contingency: give highest priority (i.e. these options would be 
exercised first) to those items that could conceivably be recovered later.

2. Scope Opportunity: give highest priority to those items that will 
need to be done, but for which no plan currently exists.

3. Exact rankings within those criteria are largely random, and in any 
case these ranking do not indicate how we would actually cut/add scope 
should the need/opportunity arise. That will depend on the exact 
situation at the time the decision needs to be made.

Let me know if you have any questions or comments. I'll post the new 
version tomorrow unless there are strong objections.

Others in the PO should chime in if there's anything important I've left 
out.

Cheers  -  Hal

--
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 Hal Evans                        hgevans AT indiana.edu
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Attachment: NSF-Scope-Contingency-Opportunity_v6b.xlsx
Description: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet