[Dsg-rich] Fwd: Re: Fwd: winch rating for RICH assembly

Mon Feb 27 14:44:57 EST 2017

Thanks Marc.

Walt

Marc McMullen wrote:
> Hi Walt,
>
> In reference to the RICH Assembly TOSP and the operation of the winch 
> in particular; We have sent over the calculations provided by the INFN 
> group to Facilities for review. The calculations were requested from 
> INFN just recently, in order to answer the loading questions to the 
> winch and pulley. Rusty and I have conversed on the matter and he says 
> that Facilities engineers will review the calculations and consult 
> with Bob Miller to ensure that all materials handling issues are 
> addressed. If he has any further questions which need to be answered, 
> we will expeditiously provide documentation so that all JLab safety 
> directives are followed and the work will be completed safely, and on 
> time. DSG will provide updates on the progress of this TOSP.
>
> Marc
>
>
> On 2/27/2017 10:30 AM, Walt Akers wrote:
>> Marc:
>>
>> If there is a meeting to discuss this, please let me know.  The reason
>> for my concern is that it appears that work is being stopped or delayed
>> to satisfy issues that are not requirements - but rather merely 
>> opinions.
>> In the case of this issue, dozens of e-mails have criss-crossed the Lab
>> for the past 2 weeks that appeared to 'require' an equipment test. The
>> last e-mail from Rusty suggests that this test is entirely 
>> discretionary.
>>
>> I can appreciate Facilities asking for discretionary tests and 
>> confirmations
>> for the purpose of ensuring safety - however, they should not be couched
>> as requirements when they are not.
>>
>> Walt
>>
>> Marc McMullen wrote:
>>>
>>> Good Morning Rusty,
>>>
>>> I have attached a document which has the design calculations for the 
>>> winch operation. Additionally, the assembly procedure, structure, 
>>> winch operation have been done in Italy by the INFN group. They are 
>>> scheduled to travel to JLab next week to reassemble the detector 
>>> with assistance of the Physics Detector Support Group. Hopefully the 
>>> calculations will provide the solution for any issues concerning the 
>>> winching operation. If you have remaining questions or concerns, we 
>>> could set up a meeting to address the issues. I am also adding the 
>>> calculations to the supporting documents of the TSOP.
>>>
>>> Regards,
>>>
>>> Marc
>>>
>>>
>>> On 2/24/2017 7:44 PM, Rusty Sprouse wrote:
>>>>
>>>> The Load test was prescribed because design calculations were not 
>>>> provided and there was no evidence of a quality assurance 
>>>> inspection on the assembly
>>>>
>>>> We continue lacking additional information a load test is prudent
>>>>
>>>> If you choose to proceed without either the additional information 
>>>> or load test let me know and I will sign off noting your decision
>>>>
>>>> Just let me know what you decide
>>>>
>>>>
>>>> On 2/24/2017 10:38 AM, Marc McMullen wrote:
>>>>>
>>>>> Hi Rusty,
>>>>>
>>>>> Tyler is referring to TOSP 64632 (Assembly of the RICH detector) . 
>>>>> You returned that one to me pending a 125% load test.
>>>>>
>>>>> https://mis.jlab.org/mis/apps/mis_forms/operational_safety_procedure_form.cfm?entry_id=64632 
>>>>>
>>>>>
>>>>> Thanks
>>>>>
>>>>> Marc
>>>>>
>>>>>
>>>>> On 2/24/2017 10:06 AM, Tyler Lemon wrote:
>>>>>> Hello,
>>>>>>
>>>>>> Bob Miller (emails below in blue) has stated in Email #2 below 
>>>>>> that the winch to be used for RICH rotation during assembly "is 
>>>>>> not an under hook lifting device, so it does not require a JLab 
>>>>>> load test." The winch has been used to assemble the structure in 
>>>>>> Italy (Email #3 from Sandro).
>>>>>>
>>>>>> We would like this matter (load testing) to be resolved between 
>>>>>> Rusty Sprouse and Bob Miller as soon as possible. We would like 
>>>>>> to have the TOSP as soon as possible so that we have no delay in 
>>>>>> proceeding with RICH construction when INFN collaborators arrive 
>>>>>> at JLab on March 6, 2017.
>>>>>>
>>>>>> Best regards,
>>>>>> Tyler
>>>>>>
>>>>>>
>>>>>> *EMAIL #1*
>>>>>> *From: "Mirazita Marco" <Marco.Mirazita at lnf.infn.it>*
>>>>>> *To: *"dsg-rich" <dsg-rich at jlab.org>
>>>>>> *Sent: *Friday, February 24, 2017 7:45:31 AM
>>>>>> *Subject: *[Dsg-rich] Fwd: Re: Fwd: winch rating for RICH assembly
>>>>>>
>>>>>> Hi all,
>>>>>> as you can see we don't need a new winch and we don't need to do any
>>>>>> load test.
>>>>>> Best regards,
>>>>>> Marco
>>>>>>
>>>>>> *EMAIL #2*
>>>>>> -------- Messaggio originale --------
>>>>>> Oggetto: Re: Fwd: winch rating for RICH assembly
>>>>>> Data: 2017-02-24 13:10
>>>>>> *Mittente: Bob Miller <rmiller at jlab.org>*
>>>>>> Destinatario: Tomassini Sandro <sandro.tomassini at lnf.infn.it>
>>>>>> Cc: Dario Orecchini <dario.orecchini at googlemail.com>, Marco Mirazita
>>>>>> <Marco.Mirazita at lnf.infn.it>
>>>>>>
>>>>>> Hi Sandro,
>>>>>>
>>>>>> This is not an under hook lifting device, so it does not require 
>>>>>> a JLab
>>>>>> load test.  If you are comfortable using it, then we do not need 
>>>>>> to do a
>>>>>> load test.
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Bob
>>>>>>
>>>>>> *EMAIL #3*
>>>>>> On 2/23/2017 3:32 PM, *Tomassini Sandro* wrote:
>>>>>>
>>>>>> Hi Bob,
>>>>>> yes, the structure was assembled and used to assemble the RICH at 
>>>>>> the
>>>>>> Company that built everything.
>>>>>> Sandro
>>>>>>
>>>>>>
>>>>>> **EMAIL #4**
>>>>>> Il 23/02/2017 21:27,*Bob Miller* ha scritto:
>>>>>>
>>>>>> Hi Sandro,
>>>>>>
>>>>>> Yes, I think we will need a fixture to load test the structure.
>>>>>>
>>>>>> Has this structure been assembled and used already?
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Bob
>>>>>>
>>>>>>
>>>>>> **EMAIL #5**
>>>>>> On 2/23/2017 3:22 PM, *Tomassini Sandro* wrote:
>>>>>>
>>>>>> Hi Bob,
>>>>>> unfortunately I do not have any plan and any tool ready.
>>>>>> I envisage that we/you have to build a beam (steel extrusion) to
>>>>>> connect to the pivoting part and with an eye bolt on the other side
>>>>>> and in the middle a hole to attach 1250 kg at about the RICH
>>>>>> barycenter. See Sketch below.
>>>>>> I think this is the more realistic way to load correctly the
>>>>>> structure.
>>>>>> I do not have any drawing of the tool I mentioned but we can try to
>>>>>> make a fast sketch and you should produce at Jlab.
>>>>>> I do not know if you have a better solution.
>>>>>> If you agree Dario or me can design it and you build it in US.
>>>>>> Let me know
>>>>>> Sandro
>>>>>>
>>>>>> *EMAIL #6*
>>>>>> Il 23/02/2017 18:51, *Bob Miller* ha scritto:
>>>>>>
>>>>>> Hi Sandro,
>>>>>>
>>>>>> I am being asked to load test the RICH assembly structure. Do you
>>>>>> have a plan or any tooling for how to load test this structure? It
>>>>>> looks like we would need some kind of tool to take the place of the
>>>>>> RICH box to apply the load to the structure.
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Bob
>>>>>>
>>>>>>
>>>>>> *EMAIL #7*
>>>>>> FROM:
>>>>>> *Tyler Lemon <tlemon at jlab.org>*
>>>>>>
>>>>>> TO:
>>>>>>  Bob Miller <rmiller at jlab.org>, Mirazita Marco
>>>>>> <marco.mirazita at lnf.infn.it>, dsg-rich <dsg-rich at jlab.org>
>>>>>>
>>>>>> CC:
>>>>>> Patrizia Rossi <rossi at jlab.org>
>>>>>>
>>>>>> Hello Bob,
>>>>>>
>>>>>> Please find attached slides from Marco Mirazita showing calculations
>>>>>> for the planned rotation of RICH after the assembly of the detector
>>>>>> shell.
>>>>>>
>>>>>> The GR1000 winch (image of load specifications also attached), is
>>>>>> rated for 1000 kg. Rusty Sprouse has not approved the load test at
>>>>>> 1,250 kg due to the 1000 kg rating of the GR1000 winch.
>>>>>>
>>>>>> However, it has been calculated that the maximum load exerted on the
>>>>>> winch will be ~775 kg. Please let us know whether the rating of the
>>>>>> GR1000 winch is adequate for the rotation of RICH using the lift
>>>>>> procedure as shown in the slides. If it is not, we will find another
>>>>>> solution.
>>>>>>
>>>>>> Best regards,
>>>>>>
>>>>>> Tyler
>>>>>>
>>>>>>  --
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Dsg-rich mailing list
>>>>>> Dsg-rich at jlab.org
>>>>>> https://mailman.jlab.org/mailman/listinfo/dsg-rich
>>>>>
>>>>> -- 
>>>>> Marc McMullen
>>>>> Detector Support Group
>>>>> 757-269-7738
>>>>
>>>
>>> -- 
>>> Marc McMullen
>>> Detector Support Group
>>> 757-269-7738
>>>
>>>
>>> _______________________________________________
>>> Dsg-rich mailing list
>>> Dsg-rich at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/dsg-rich
>>
>