[BC] PC operating environs

[Jeffrey Kopp]

>[Willie:] As for those guys putting their rack in a non-climate-controlled 
>garage...

>[Tom T:] The ops mgr. complained that the power supply fan in the air 
>computer was about to go south.  I couldn't hear anything, but to be on 
>the safe side ...

If you catch word before it happens, arrange to shut off and tarp PCs 
before sheetrock work is done nearby.

If only discovered afterwards, might as well replace the power supplies all 
'round.