Jez wrote:
> We had one broadcast transmitter
> project where the power source was a critical point of failure so
> there were redundant generators and then double redundancy on
> top. (ie we had 4 generators) What was omitted from the
> reliability prediction model was the guy who tops up the
> antifreeze - they all failed more or less at
> the same time one very cold night.
Man alive, that sounds almost IDENTICAL to a station in southern
california. Identical situation except the generators all tapped
from the same fuel-tank. During a generator test, one never did
shutdown and drained the tank without anybody knowing. Power fails,
and so did the generators.
AG
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