Lessons from Vancouver - (water cooled) emergency generator failed
"But as soon as the fire department started drawing massive amounts of water in their attempt to contain the fire, the water pressure in the mains was reduced to a level where the (water cooled) emergency generator couldn't operate any more."
From comp.risks DR/BCM lessons from the Vancouver fire
Didja hear the one about the outfit with twelve hours diesel in a tank inside the building and seven days diesel in large tanks outside? Turns out the pump to move the diesel from the larger outside tank to the small internal tank was on external power and not the generator power.