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Message ID: 72     Entry time: Tuesday, February 05, 2013, 09:50
Author: Isaac Earle 
Category: Maintenance 
Type: Target 2 
Specific: Target 
Subject: T2-MK2 target moved from beam line to hot cell 

The T2-MK2 target was transported from the beam line to the RH hot cell.  The profile monitor was secured in the 'in' position before lifting the target, as it is better protected in this configuration.  This procedure will be used for all future target moves to reduce the risk of damage to the monitor.

The field on the target while lifting was approximately 5mSv/hr at 2m.  A field of 12mSv/hr was measured directly above the T2 target hole on the monolith.  A shield plug was installed into the hole which reduced the field to 500µSv/hr.

A section of the "montior" cable was found to have damaged insulation (photo attached).  Fortunately this cable terminates at the cooling package, so only a short section needs to be replaced.

 

 

 

 

 

 

 

 

 

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