[Dsg-rich] CLAS12 RICH OSP

[Marco Contalbrigo]

Hi George,
my question is specifically related to the RICH recommandation which
reads:

The air-cooling and nitrogen gas systems are pressure systems and
approvals from the Pressure Systems design authority are required
before operation.

Forgive my ignorance: I am not sure WHEN the approval should be
granted. I assume in order to "modify the hardware" (as you say) you
need to follow a design (already) approved by an authority.
Do you actually mean the DESIGN is still being modified, to get
approval and then a new hardware layout conform to JLab regulations ?
Or there is already a new approved design and you are as a
consequence working on the new hardware ?

Thnaks, Marco.

On Wed, 4 Jan 2017, George Jacobs wrote:

> Hi Marco,
> 
> The hardware is in the process of being modified to comply with JLAB's pressure system requirements. This work is currently on
> hold until after the KPP run.
> 
> George
> 
> On 1/4/2017 10:30 AM, Marco Contalbrigo wrote:
>       Dear George,
>       thank you so much. I appreciate the manuals and diagrams. Does it means the design is now approved (by the pressure
>       system Design Authority) or
>       is this still in progress ?
>       Thanks, Marco.
>
>       On Wed, 4 Jan 2017, George Jacobs wrote:
>
>             I have attached the P&I diagrams along with the operations manual for your OSP. The hardware is being
>             modified to comply with
>             JLAB's pressure systems requirements.
>
>             The EPICS screens and cRIO Controls Manual are a separate entity.
>
>             George
>
>             On 1/4/2017 10:02 AM, Marco Contalbrigo wrote:
>                   Dear David, Marc and George,
>                   Hall-B will undergo Accelerator Readiness Review (ARR) next week. As part of this review, it is
>             required to answer to
>                   the recommendations of CLAS12 ERR. For the RICH detector, they deal with the OSP.
>
>                   To my understanding, you had a meeting in November to clarify the remaining issues about the RICH
>             pressure gas
>                   system. May you provide
>                   me with an update of the OSP status ? I would need to send this
>                   information to Eugene Pasyuk within today.
>
>                   Thank you a lot, Marco.
> 
> 
> 
> 
> 
>