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[Gerard Visser <gvisser AT indiana.edu>]

p.s. (Sorry for 2nd email) -- I believe the FST purple cable was already 
supposed to have been pre-approved in this way. But now actually I don't 
remember hearing about that. What is the status on this? Mike do you know?


On 7/31/2020 9:20 AM, Gerard Visser wrote:
> hi Zhenyu,
>      I believe someone from BNL from the project (Rahul? Flemming?) needs to 
> consult with the appropriate safety officers to get advanced clearance of 
> anything doubtful in the design, before production. This is how it went for 
> instance with the custom cables used in IST and SSD - the cables were not 
> official rated cables, rather only "by design similar" to such, and we submitted 
> the documentation and samples _before_ detector production (but of course, after 
> cable production, which was an investment that had to come first) for approval. 
> The documents were examined, I believe at least one of the cables was given a 
> burn test at BNL, and we got approval to use. Then in the safety review before 
> installation we just referenced that approval and no problems. There was a 
> similar pre=approval process for the Wiener MPOD power supplies, taken care of 
> in the time of FGT detector construction.
>      Flemming could correct this, but I don't believe such actual safety 
> approval is within the scope of this review or committee. But a plan to get 
> approval where needed, must be.
>      Sincerely,
>
>          Gerard
>
>
> On 7/31/2020 9:10 AM, Ye, Zhenyu wrote:
> > I don’t know when the safety review will take place, but we certainly need the 
> > ES&H clearance before the actual production starts, because we can’t have all 
> > the modules produced and then learn some of them do not meet the requirement.