PH-DT

LHC Gas systems Project 

Maintenance and Operations

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MAINTENANCE SCHEDULE, Shutdown 2008-2009

Updated on Thursday, December 04, 2008 by MC

 

 

 

Download the new version of the schedule >>> M&O_Schedule_V2.pdf (Print on A3 if possible)

Older schedule (valid only till Dec 4th, 08) >>> M&O_v1r1.pdf

Comments:

Note that only PURPLE bars (maintenance tasks) need systems OFF or on PURGE, as racks and gas lines may be open. If the system is OFF, the lines between inlets and outlets of distribution racks are closed and chambers keep good gas; pressure changes are compensated by the Back-up system.

Almost everything else can be carried out while the system is ON such as consolidation tasks (YELLOW bars), purge (BLUE bars).

GREEN bars represent the 'official' shutdown period in each experiment when UX cavern is accessible, interventions permitted. RED bars represent UX caverns being closed, no access.

The tasks to be carried out in each sub-system are here.