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[Gerard Visser <gvisser AT indiana.edu>]

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.