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

[Gustaaf Brooijmans <gusbroo AT nevis.columbia.edu>]

Hello all,

We’re now just missing 6.6 and the revision to 6.6.3.

Thanks,

Gustaaf

> On Jun 20, 2024, at 11:03, Gustaaf Brooijmans <gusbroo AT nevis.columbia.edu> 
> wrote:
> 
> 
> Thursday’s update:
> 
> -LAr is complete and fully approved
> 
> -We’re missing 6.6 and the revision to 6.6.3
> 
> -We’re missing 6.8.4
> 
> All the rest was already approved.
> 
> Best,
> 
> Gustaaf
> 
>> On Jun 19, 2024, at 11:23, Gustaaf Brooijmans <gusbroo AT nevis.columbia.edu> 
>> wrote:
>> 
>> 
>> Today’s update:
>> 
>> -6.4 and 6.4.2 are missing
>> 
>> -6.4.1: In general it looks good, but the sense "We have currently 
>> received about 20% of the scheduled 50% of the total production for LAr” 
>> is a bit strange.  Does it mean we were scheduled to have received 50% and 
>> we got 20%?  Anyway, the VR needs to be submitted for me to approve it.
>> 
>> -6.6 is missing (check with Penka on authorization)
>> 
>> -6.6.3: "The positive cost variance stems from design issues with the sMDT 
>> mezz card by MPI, resulting in some planned work not started. “ => delayed 
>> work cannot lead to a cost variance, so I have re-opened this
>> 
>> -6.6.4 looks good now, thanks.  I have approved it.
>> 
>> -6.6.5 I have approved
>> 
>> -6.8.4 is missing
>> 
>> Best,
>> 
>> Gustaaf
>> 
>>> On Jun 18, 2024, at 14:59, Gustaaf Brooijmans 
>>> <gusbroo AT nevis.columbia.edu> wrote:
>>> 
>>> 
>>> Hello all,
>>> 
>>> A reminder that the May VRs are due soon.  Keep in mind that the May 
>>> working schedule is our basis for the July review, so it’s crucial to 
>>> fully understand the variances.  This will have to go into your slides.
>>> 
>>> Many are already posted (thanks!), here are some comments:
>>> 
>>> -6.4.3 looks good, I have approved it
>>> 
>>> -6.5.4: I don’t understand this: any pre-rebaselining variance would have 
>>> been zeroed out, and in fact there is no variance at Columbia.  I have 
>>> unlocked this.
>>> 
>>> -6.6.3: the SV report looks fine, but CV is missing, so I have unlocked 
>>> this.
>>> 
>>> -6.6.4: "The schedule variance of $866k is mostly due to delays in the 
>>> schedule. We are set to enter full production now, so are hit with a 
>>> variance of roughly $720k.” This basically says there is a schedule 
>>> variance because there is a schedule variance.  Please say something 
>>> about the actual source.  (I guess it’s purchase of comonents…)  I have 
>>> unlocked this.
>>> 
>>> -6.6.5: looks good but you forgot to submit.  (BTW, I think you meant 
>>> “remainder” rather than “reminder”)
>>> 
>>> -6.8 looks good and I have approved.
>>> -6.8.3: nice to see a $100k positive variance this month.  I approved the 
>>> text.
>>> 
>>> Best,
>>> 
>>> Gustaaf
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