Based on the instruction document on emergency countermeasures for safety
at Fukushima Daini Nuclear Power Station received from the Minister of
Economy, Trade and Industry on April 21, we have summarized implementation
status of emergency countermeasures for safety at Fukushima Daini Nuclear
Power Station to prevent damages of reactor core and spent fuel, suppress
discharge of radioactive materials and restore cooling function of reactor
facility, even if three functions such as function of all facilities that
supplies AC power, function of all facilities that cools reactor facility
and function of all facilities that cools spent fuel pool by seawater are
lost by tsunami and to maintain reactor cold shutdown, and reported to the
Minister of Economy, Trade and Industry on May 20.
(Announced on May 20, 2011)
After the submission of the report, to enhance flood prevention measures
and to amend rounding of fractions when calculating load capacity in case
of lost of all AC power supply, etc., we amended some part of the report
and submitted it to the Minister of Economy, Trade and Industry today.
Attachment: Comparison chart for amendment of the Report on emergency
countermeasures for safety
*The attachment is available only in Japanese version.
Attachment: Report of the implementation status(Amendment)
*The attachment is available only in Japanese version.
*Instruction Document
"Order to conduct enforcement of emergency countermeasures for safety
at Fukushima Daini Nuclear Power Station (Order)"
20th Release of April 20, 2011
Nuclear and Industrial Safety Agency
We have provided a Japanese press release version of the instruction
document received from NISA. However, at this time we have reserved the
right not to provide an English version due to potential misunderstandings
that may arise from an inaccurate rendering of the original Japanese text.
We may provide the English translation that NISA releases in our press
releases. However, in principle we would advise you to visit the NISA
website for timely and accurate information.