[evlatests] Ant 14

[Eugene Cole]

The work done on antenna 14 yesterday by the antenna mechanics was not 
previously added to the test schedule.  The schedule showed nothing 
planned for the day.  However, it was a maintenance day at the VLA and 
Operations had granted access to the antenna on those basis.
The biggest concern with the work effort was that power to the 
electronics racks in the vertex rom was killed because there was welding 
being done.   Ken was online at the time and found that none of the MIBs 
were responding.  He discovered later the mechanics were working on the 
antenna.  Overall, in this case procedures were followed.

-- Gene

Bill Sahr wrote:

> Once it was decided that the work would be done, was it
> added to the schedule ?
>
> Bill
>
> Eugene Cole wrote:
>
>> Visits to antennas on the array beit VLA or EVLA must go through VLA 
>> Operations. The procedure is already in place and should be followed.
>>
>> -- Gene
>>
>> Ken Sowinski wrote:
>>
>>>> We either need to prohibit work on the antenna if not on the 
>>>> schedule, or come up with another way to communicate that work is 
>>>> being done on maintenance days (?)
>>>>
>>>> Rob
>>>>   
>>>
>>>
>>> I don't think we should prohibit unannounced work on maintenance 
>>> days.  If it is necessary to do tests on a maintenance day, it is 
>>> the testers who will have to accomodate their work to other
>>> activities.
>>>
>>> My concern was that the antenna seemed very dead and noone
>>> I could find was able to explain why.  In case it had decided
>>> on its own to stop working I thought somebody should look into
>>> it before tomorrow.
>>>
>>> Ken
>>> _______________________________________________
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>>>
>>>  
>>>
>>
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