[Clas12_rich] RICH assembly

[Yuri Gotra]

Saptarshi promised to send the step file to Walt.

After the test in the Hall in August, the SVT will be back (early 
September) and we will replace few modules in region 4 in EEL124 (using 
the SVT optical bench currently in use by RICH). In October we 
re-integrate the SVT region 4 with SVT regions 1-3 (using the gantry). 
After integration the SVT services will be connected to the detector. We 
will need a gantry to re-integrate the Central Vertex Tracker (CVT) (SVT 
with Micromegas) in November. We will continue the CVT stability test 
and the cosmic data taking with the CVT until the Hall is ready for the 
installation of the Central Detector.


On 7/25/16 2:07 PM, Walt Akers / JLAB wrote:
> Marco:
>
> I just spoke to Yuri Gotra who is working on the SVT.  He is
> going to provide me a working model of the SVT assembly and
> test setup so that we can determine how it will co-exist in the
> clean room with your work. I'll send you details when they are
> available.
>
> Walt
>
> Stepan Stepanyan wrote:
>> Walt,
>>
>> Volker pointed out I did not put date for installation, sorry.
>> Drift chambers will be installed by October.
>>
>> Stepan
>>
>> On 7/22/16 10:27 AM, Stepan Stepanyan wrote:
>>> Dear Walt,
>>>
>>> According to our current schedule CLAS12 drift chambers that occupy 
>>> most of space in the
>>> clean room must be installed in the hall. The only thing will be 
>>> remain there is SVT. SVT does
>>> not take much space and it can be moved around if needed.
>>>
>>> Regards, Stepan
>>>
>>> On 7/21/16 3:58 PM, Walt Akers / JLAB wrote:
>>>> Dear Volker, Stepan and Mac:
>>>>
>>>> As Marco mentions below, we are approaching the time for the
>>>> RICH detector work to begin in EEL 124. I've included an excerpt
>>>> from the work plan here.
>>>>
>>>>     *RICH detector assembly October 2016 to July 2017*
>>>>     The assembly of the detector will begin in the EEL-124 clean
>>>>     room in October
>>>>     2016. The project team has requested an area of 36’ x 36’. This
>>>>     large area is
>>>>     required also to perform the alignment of the mirrors inside the
>>>>     detector. The area
>>>>     must be quipped with a 2 ton crane capacity and possibly a
>>>>     forklift for the
>>>>     movement and installation of the various components.
>>>>     The assembly of the RICH will be performed by using a special
>>>>     mechanical
>>>>     structure, anchored on the floor, on which the various
>>>>     components will be
>>>>     mounted. The assembly structure is equipped with a winch to
>>>>     rotate the RICH
>>>>     from the vertical assembly position to the horizontal one ready
>>>>     for the
>>>>     transportation inside the Hall B.
>>>>     The assembly procedures will also include the check of the
>>>>     alignment of the
>>>>     mirrors once they are installed and the survey of the RICH
>>>>     module. For these
>>>>     operations, the support of the JLab survey group is requested.
>>>>
>>>>
>>>> Are your folks nearing completion of their work in the room and how
>>>> soon might it be available for the RICH folks to begin?
>>>>
>>>> Thanks,
>>>>
>>>> Walt
>>>>
>>>>
>>>> Marco Mirazita wrote:
>>>>> Dear Walt,
>>>>> even if with some delay, the construction of the RICH is almost 
>>>>> done and we should be able to ship by sea during this summer.
>>>>> It means that most likely in September all the material should be 
>>>>> stored in the CMSA.
>>>>> According to the last RICH installation plan we discussed, the 
>>>>> assembly work should start in October. Could you please confirm 
>>>>> that the area we need in the EEL124 clean room will be made free?
>>>>> Thanks,
>>>>> Marco
>>>>>
>>>>
>>>
>>
>
>

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