Inadequate dedicated communication lines such as the country at the time of the nuclear power plant accident.
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In the event of an accident or disaster at a nuclear power plant, a dedicated communication line, such as a video conference linking the country and related local governments, may not function properly in some prefectures and is necessary in other prefectures. A survey by the Accounting Inspection Office found that there was an inappropriate situation, such as installing no communication equipment.
In the event of an accident or disaster at the nuclear power plant, related organizations such as the national government and local governments can communicate via a teleconferencing system using a dedicated line even when a general telephone or the Internet is not available.
The Cabinet Office subsidizes the cost of the line established by the local government, but when we examined 24 prefectures related to the Auditing Office, the Ehime prefecture where Ikata Nuclear Power Plant is located has a shortage of communication line capacity, so it is a system in case of emergency. It has been found that there is a risk that etc. will not function properly.
On the other hand, in about 10 prefectures, more than necessary capacity was installed, and communication equipment that was not necessary was installed.
The amount of subsidies used improperly throughout the country has risen to over 160 million yen, and the Auditing Office is near and will seek improvement from the Cabinet Office.
The Cabinet Office says, “It is true that it is subject to inspection, but we cannot comment at this time.”
What is "Integrated Nuclear Disaster Prevention Network System"?
In the event of an accident or disaster at a nuclear power plant, an “integrated nuclear disaster prevention network system” has been established so that the government and related organizations can share information.
The prime minister's residence, the local government where the nuclear power plant is located, and the electric power company are connected by a dedicated communication line so that even if a general telephone or the Internet cannot be used, it can be exchanged through an IP phone or a video conference system.
The system is supposed to be launched when there is an earthquake with a seismic intensity of less than 5 in the local government where the nuclear power plant is located, or when a large tsunami warning is issued. According to the Nuclear Regulatory Authority, 22 times in the past five years It means that there is a track record of operation.
In the event of the Great East Japan Earthquake, the power of the off-site center in Okuma-cho, Fukushima Prefecture was completely lost, and this system stopped functioning. In addition to the dedicated communication line, the country introduced a new satellite line, We are reviewing and strengthening the system, such as creating a mechanism that can supply power from a mobile power vehicle.