[Pansophy] SNS PPU He outlet & con bellows inspection

Gary Cheng cheng at jlab.org
Mon Nov 16 10:20:47 EST 2020


Correct, HOBCB will be used on the cold mass assembly.
Gary

On 11/16/2020 10:18 AM, Naeem Huque wrote:
> Hi Anne,
>
> I think you and Gary are referring to different bellows. Your list 
> below is cavity string bellows, and Gary is talking about the helium 
> outlet bellows.
>
> Gary, is that right?
>
> Thanks,
> Naeem
> ------------------------------------------------------------------------
> *From:* Gary Cheng <cheng at jlab.org>
> *Sent:* Monday, November 16, 2020 9:51 AM
> *To:* E. Anne McEwen <mcewen at jlab.org>
> *Cc:* Kirk Davis <kdavis at jlab.org>; Naeem Huque <huque at jlab.org>; Ed 
> Daly <edaly at jlab.org>; srfinv at jlab.org <srfinv at jlab.org>; Katherine 
> Wilson <kwilson at jlab.org>; SRF Pansophy (pansophy at jlab.org) 
> <pansophy at jlab.org>
> *Subject:* Re: SNS PPU He outlet & con bellows inspection
> Hi Anne,
>
> PPU management enforces kitting so if all procurement implemented 
> kitting, ideally you would expect to see 7 kits of all things needed 
> for assemblies. I know there are variations due to the fact that in 
> the real world, not everything can be easily kitted due to the size 
> for example. And some items may have spares that are not kitted.
>
> The SNS PPU He outlet & con bellows (HOBCB) are kitted. My SOW & 
> traveler both have kit definition. So there are 7 kits of HOBCB. And, 
> I bought a couple spare bellows.
>
> As to how many parts/kits to inspect, for the HOBCB, please inspect 
> them all. They are made by Hyspan who delivered poor quality hoses to 
> a subcontractor of us.  Bellows takes time to repair/make, especially 
> when the vendor is Hyspan.
>
> Thanks,
> Gary
>
> On 11/16/2020 9:08 AM, E. Anne McEwen wrote:

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