[Dsg-rich] Fwd: Re: lifting tool for RICH

Marc McMullen mcmullen at jlab.org
Tue Apr 4 11:44:26 EDT 2017


Thanks Marco,

In addition, I have asked the director of facilities management to look 
into any unforeseen requirements which may be necessary. His department 
will have to sign off on the materials handling aspects of the safety 
documents.

Marc


On 4/4/2017 10:35 AM, Marco Mirazita wrote:
> Hi Marc,
> following your email from a couple of days ago with the requirements 
> for the construction of the lifting tool, Bob Miller asked to have a 
> meeting with Dario and Sandro to clarify the situation in order to 
> have a tool that we could actually used at jlab.
> We had this meeting today and the result is the following:
> - Bob will send to us a number of comments on the general structure of 
> the tool (in particular on weldings and bolts)
> - we will review the design to have English standard instead of metric 
> (partly already done)
> - we will produce calculations, following the ASME standard, to 
> demonstrate that the tool is able to sustain the forces acting during 
> the lifting
> - the same calculations will be repeated in a "load test" 
> configuration, with three effective masses replacing the RICH
>
> Bob will review all the calculations. If necessary, the calculated 
> masses will be used to actually perform the load test at jlab, without 
> the need of any additional tool.
>
> The first two steps will take few days and should be completed before 
> asking the requote. Then we can proceed with the requote, as we don't 
> expect that the calculations will show dramatic problems. Minor 
> modifications could be done after the PO has been issued, small 
> adjustment of the costs could be done later if required.
>
> This is the situation for now.
>
> Best regards,
> Marco
>
>
>
> Il 2017-04-04 16:07 Marc McMullen ha scritto:
>> Hi Rusty and Suresh,
>>
>> Our collaborators from INFN (Italy) are having an "under the hook
>> lifting device"  fabricated here in the US at one of the Jlab
>> procurement approved welder/fab shops. Below is the information I got
>> from the EH&S manual on requirements for a device to be used here at
>> the lab.
>>
>> Due to cost, they will probably have the load test done by Hall B
>> Mechanical/Engineering and I have asked them to have the final design
>> reviewed by Bob Miller to make sure that the design passes Jlab
>> standards.
>>
>> Is there anything else which would need to be done that I might be
>> overlooking?
>>
>> I have attached the .pdf of the preliminary files INFN used for RFQs.
>>
>> Regards,
>>
>> Marc
>>
>>  -------- Forwarded Message --------
>>
>>          SUBJECT:
>>          Re: [Dsg-rich] lifting tool for RICH
>>
>>          DATE:
>>          Fri, 31 Mar 2017 16:12:10 -0400
>>
>>          FROM:
>>          Marc McMullen <mcmullen at jlab.org>
>>
>>          TO:
>>          Marco Mirazita <Marco.Mirazita at lnf.infn.it>
>>
>>          CC:
>>          dsg-rich <dsg-rich at jlab.org>, Bob Miller <rmiller at jlab.org>
>>
>> Marco,
>>
>> I am not sure if you are going to wait for any further quotes before
>> going forward with the selection. But, when you ask the vendor to
>> "re-quote" to satisfy your requirements, the vendor will need specific
>> details about information/documentation you need in your final quote
>> (Or they will just send the same quote).
>>
>> Doug has provided some information to help us fulfill some of the Jlab
>> requirements for approved use at JLab. In his email, he is referring
>> to specifications that need to be followed by the designer and
>> fabrication shop:
>>
>>     * The shop was selected from the Jlab approved fabricators list for
>> welding/brazing.
>>      * A qualified Professional Engineer (PE) must approve/design the
>> "Below The Hook Lifting Device" in accordance with ASME B30.20, ASME
>> BTH-1.
>>
>>      * When requesting the requote you should ensure that the 
>> fabrication
>> shop meets these criteria
>>      * You may want a JLab PE to review the drawing, prior to
>> manufacturing.
>>
>>     * Bob may be able to review (If he has not already done it) this if
>> you can provide him with the final drawings (after parts have been
>> converted from metric components to the closest English standard)
>>
>>      * The fabrication shop must label the device with the following
>> information:
>>
>>      * Manufacturer's Name
>>      * Manufacturer's Address
>>      * Serial Number
>>      * Lifter Weight, if over 100lbs (45Kg)
>>
>>     * Rated Load
>>
>>     * We will need to do a load test at Jlab or the shop will have to do
>> it and label it as such.
>>
>>      * We should ask the  fabrication shop how much this would cost,
>> maybe it is not expensive.
>>      * Hall B is qualified to do this test
>>
>> I will try to find out if there are other requirements or
>> documentation needed for the stiffener.
>>
>> Thanks,
>>
>> Marc
>>
>> On 3/31/2017 3:07 PM, Douglas Tilles wrote:
>>
>>> Not if it is done by a PE. It will need all the under hook paperwork
>>>
>>> Sent from my iPhone
>>>
>>> On Mar 31, 2017, at 3:01 PM, Marc McMullen <mcmullen at jlab.org>
>>> wrote:
>>>
>>> Hi Doug,
>>>
>>> So far all we have done is contacted fab shops for quotes. We asked
>>> Bob for advice on getting a better price, and are following his
>>> suggestion, he also suggested having the load test done here at the
>>> lab, should CE be contacted prior to manufacturing?
>>>
>>> Thanks,
>>>
>>> Marc
>>>
>>> On 3/31/2017 2:08 PM, Douglas Tilles wrote:
>>> I guess you have contacted Civil Eng about a Under Hook Device
>>> review and inspection and load testing?
>>>
>>> -- 
>>> 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

-- 
Marc McMullen
Detector Support Group
757-269-7738




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