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Jun11-11, 02:57 PM
P: 68

"In the first photo, you can see the pipe that's bent. That was the pipe that TEPCO was counting on to connect the cooling system for the Spent Fuel Pool, according to Jiji News (6/11/2011). The cooling system for the Reactor 4 Spent Fuel Pool won't be operational at least until July, as TEPCO will have to either fix the pipe or come up with alternative connection.

The second photo shows a mess of broken pipes, concrete bits and equipments. Any mechanics, engineers, who want to dissect the photo?

The Reactor 4 was in a scheduled maintenance when the earthquake hit on March 11. All the fuel rods had been moved to the Spent Fuel Pool. The workers were in the process of replacing the stainless-steel shroud of the Reactor Pressure Vessel at the time of the earthquake."

That means: The RPV was empty, no Water in the RPV at the time of the Earthquake