Reply #20: There were multiple supplies and ways to supply. Problem is they ran out...

[TheMadMonk]

...before the disasters did.

A huge part of the problem here too, is there is little in the designs to ACCOMODATE failure and facilitate cleaning up the mess afterwards in a worst case situation.


Some of the seemingly more radical hardened/intrinsically safe designs don't attempt to make any heroic efforts at all to stave off meltdown. They simply include methods that force the progress of the meltdown along a desired safe path.