> Hi Bob,
>
> BL> The constraints are that this tool must continue to run during the
> BL> clean up process.
>
> Does that tool run 24/24 7/7?

Yes. This tool does metrology on Silicon wafers used in making IC's and
runs 24/24 7/7. There are allowed Preventive Maintenance times but they are
only available monthly and less than 4 hours for all maintenance tasks.

Bob