[Pansophy] SNS PPU inspection traveler breakdown structure

[Gary Cheng]

I think I am fine with making one traveler for SEC and one for the REC.
Gary

On 10/12/2020 4:11 PM, Katherine Wilson wrote:
> That sounds reasonable to me.  Just FYI, I have put the weld documents 
> into the weld spec on my parts, and then uploaded all of them into the 
> INV traveler, but use your judgment - probably you have more documents.
>
> ------------------------------------------------------------------------
> *From:* Gary Cheng <cheng at jlab.org>
> *Sent:* Monday, October 12, 2020 3:58 PM
> *To:* Katherine Wilson <kwilson at jlab.org>; Ed Daly <edaly at jlab.org>; 
> Naeem Huque <huque at jlab.org>
> *Cc:* Matt Marchlik <marchlik at jlab.org>; Peter Owen <powen at jlab.org>; 
> Mark Wiseman <wiseman at jlab.org>; pansophy <pansophy at jlab.org>; Kurt 
> Macha <macha at jlab.org>; John Fischer <fischer at jlab.org>; E. Anne 
> McEwen <mcewen at jlab.org>; Larry King <king at jlab.org>
> *Subject:* Re: SNS PPU inspection traveler breakdown structure
> Thanks Katherine.
>
> Using SEC as an example, I would need to write the following travelers:
> 1. Visual inspection traveler --- for SRF QC group, i.e. Anne's group
> 2. Dimensional inspection traveler --- for Survey & Alignment group, 
> end cans won't fit into our CMM machine
> 3. Weld inspection traveler --- for CWI
> 4. Instrumentation electrical checkout --- For Larry King's group
> 5. Vendor docs check --- for SOTR, CWI and leak check specialist
> 6. Pressure test and leak check --- For CMA
>
> That's a lot to write for just the SEC. Then for the REC, I would need 
> to write another 6 travelers...I don't think that's really what we 
> want. But if PPU management prefers to have such a breakdown 
> structure, I will write 12 travelers for the SEC and REC...someone 
> please let me know.
>
> Gary
>
> On 10/12/2020 3:47 PM, Katherine Wilson wrote:
>> The idea is to break the travelers down by workstation, so one person 
>> is responsible for the part as long as it is being inspected under 
>> that traveler.
>>
>> We are trying to minimize travelers that stay open for months while 
>> working through the inspection process, and also reduce misplaced or 
>> damaged parts as they are passed from one workstation to another, so 
>> please let that be your guide as you decide how to separate the 
>> travelers.
>>
>> I think you will just have to use some judgment about what seems like 
>> a sensible way to separate travelers.  Maybe Anne has further 
>> suggestions.
>>
>> Regards,
>> Katherine
>>
>>
>>
>> ------------------------------------------------------------------------
>> *From:* Gary Cheng <cheng at jlab.org> <mailto:cheng at jlab.org>
>> *Sent:* Monday, October 12, 2020 3:32 PM
>> *To:* Ed Daly <edaly at jlab.org> <mailto:edaly at jlab.org>; Naeem Huque 
>> <huque at jlab.org> <mailto:huque at jlab.org>
>> *Cc:* Katherine Wilson <kwilson at jlab.org> <mailto:kwilson at jlab.org>; 
>> Matt Marchlik <marchlik at jlab.org> <mailto:marchlik at jlab.org>; Peter 
>> Owen <powen at jlab.org> <mailto:powen at jlab.org>; Mark Wiseman 
>> <wiseman at jlab.org> <mailto:wiseman at jlab.org>; pansophy 
>> <pansophy at jlab.org> <mailto:pansophy at jlab.org>; Kurt Macha 
>> <macha at jlab.org> <mailto:macha at jlab.org>; John Fischer 
>> <fischer at jlab.org> <mailto:fischer at jlab.org>; Larry King 
>> <king at jlab.org> <mailto:king at jlab.org>; srfinv at jlab.org 
>> <mailto:srfinv at jlab.org> <srfinv at jlab.org> <mailto:srfinv at jlab.org>
>> *Subject:* Re: SNS PPU inspection traveler breakdown structure
>> Any advice?
>>
>> On 10/9/2020 11:59 AM, Gary Cheng wrote:
>>> Ed & Naeem,
>>>
>>> It's unclear to me if there is a consensus on how many breakdown 
>>> travelers that PPU project wants to have for a certain assembly to 
>>> be inspected. I hope that you can clarify what you want all SOTRs to 
>>> prepare.
>>>
>>> The usual receiving inspection steps that I can think of are:
>>> shipping crate condition check --- this would be in INV
>>> vendor documents check --- docs upload to INV. SOTR as well as SMEs 
>>> need to check them for completeness and correctness
>>> visual inspection --- SRF QC or CMA
>>> dimensional inspection --- may be done by SRF QC folks or Survey & 
>>> Alignment folks
>>> instrumentation electrical check out --- Larry's group
>>> fit-up test  --- mostly done CMA
>>> weld inspection --- by weld examiner or CWI
>>> cold shock  --- CMA
>>> pressure test  --- CMA
>>> leak check  --- CMA
>>> repackage
>>>
>>> Please advise. I am about to convert Ed's SNS end can travelers to 
>>> the new format and need to know how many travelers that I need to 
>>> write for Supply & Return End Cans.
>>>
>>> Thanks,
>>> Gary
>>>
>>>
>>>
>>
>

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