Unit 3

Status of Progress Points

 (*1) SFP (Spent Fuel Pool)
 (*2) RPV (Reactor Pressure Vessel)
 (*3) PCV (Primary Containment Vessel)

Investigative results into the Unit 3 PCV equipment hatch using a small investigation device

Investigation inside the PCV

Prior to removing fuel debris, to check the conditions inside the Primary Containment Vessel (PCV) including the location of the fuel debris, investigation inside the PCV was conducted.

[Steps for investigation and equipment development]

Investigation from X-53 penetration(*4)