[Dsg-rich] RICH N2 Supply Corrective Actions

[Bob Miller]

All,

The following corrective actions will be taken to ensure the RICH N2 
supply is not interrupted:

 1. The N2 supply valve is now locked open and has a lock out tag on it
    as shown in the pictures below
 2. Replacement back up bottles have been ordered by Tyler
 3. When the replacement bottles have been installed, I will move the
    supply valve to the RICH gas panel
 4. An alarm has been set up at 20 psi N2 supply pressure that will
    notify the engineering on call person
 5. An alarm will be set up at 10 psi for the back up bottles to know if
    they are ready to supply the RICH.  This alarm will also notify the
    engineering on call person.

Regards,

Bob



-- 
Bob Miller
Hall B Lead Engineer
Jefferson Lab
757 822-9586

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