[Clas12_rich] RICH assembly

[Walt Akers / JLAB]

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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