We received, from Nuclear and Industrial Safety Agency at the Ministry
of Economy, Trade and Industry, an instruction document* entitled
"Compatibility for "Policy on the mid term security" concerning the
Units 1 to 4 of Fukushima Daiichi Nuclear Power Station of Tokyo Electric
Power Company (instruction)" and were instructed* by the Minister of
Economy, Trade and Industry to report on a plan of how we operate and
manage our facilities based on the "Policy on the mid term security".
(Previously announced on October 3)
On October 17, based on these instructions, we submitted a report that
summarizes the contents of the plan concerning the operation and management
of our facilities written in below and the results of evaluations on the
security of the facilities to NISA.
· Water injection equipments for Reactor Pressure Vessel / Primary
Containment Vessel
· Nitrogen gas injection system for Primary Containment Vessel
· Spent fuel pool etc.
· Boric acid injection system for Reactor Pressure Vessel / Primary
Containment Vessel
· Treatment system for high level radioactive contaminated water,
Accumulate facilities(tank etc.), Storage facilities for sludge, Storage
facilities for used cesium adsorption vessel and concerned facilities
(transport pipe, transport pump etc.)
· The building which is storing (including accumulating) high level
radioactive contaminated water, etc.
· Power networks
· The Probabilistic Safety Assessment(PSA) about the water injection
system for reactor
(Previously announced on October 17)
Since then we have summarized again the above-mentioned contents of the plan
and the result of the evaluation on security, by considering opinions
received in hearing meetings, and reported them to NISA on November 9 and
December 6.
(Previously announced on November 9 and December 7)
We have newly organized a report with regards to the contents of the plan
concerning the operation and management of the following facilities and the
results of evaluations on the security of the facilities, and reported to
NISA today.
· Nuclear Reactor Primary Containment Vessel
· Management of Solid Radioactive Waste such as debris contaminated
by radioactive materials
· Fuel removal from Spent Fuel Pools
· Spent Fuel Common Pool etc.
· Temporary storage facility for Spent Fuel Dry Cask
· Monitoring Room / Control Room
This report will be examined by the government hereafter.
We will continuously organize the contents of the plan concerning the
operation and management of other facilities and the results of evaluations
on the security of the facilities and report to NISA in an immediate way.
Attachment: The report of operation and management plan for our facilities
based on "Policy on the mid term security" for the Units 1
to 4 of Fukushima Daiichi Nuclear Power Station (2)
*The aforementioned attachment is only available in Japanese.
We apologize for any inconvenience this may cause.
*We have provided Japanese press release version of the instructions
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.