[Clas12_rich] RICH assembly

[Walt Akers / JLAB]

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
>>>>
>>>
>>
>