Tag "SFP4"

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Breaking news Fukushima Plant Spent Fuel Pools

Tepco “Almost completed transferring spent fuel from Reactor 4 pool”

On 10/19/2014, Tepco announced that they have already completed transferring 1,320 of 1331 spent fuel assemblies from Reactor 4 pool. The rest of 11 spent fuel assemblies to include 3

Spent Fuel Pools

Tepco to transfer a part of fuel from Reactor4 pool to another spent fuel pool due to the lack of space

Tepco ends up transferring fuel from a spent fuel pool to another spent fuel pool.   On 6/18/2014, Tepco announced that they are running out of the space for Reactor4

Spent Fuel Pools

3 radiation monitors down for 3 days in the pool to accept fuel assemblies from reactor4 SFP

3 radiation monitors were down for 3 days in common usage pool. This pool is to stock the fuel assemblies removed from reactor4 spent fuel pool.   The monitors are

Spent Fuel Pools

Alarm at the Temporary Dry Cask Storage Facility, Tepco “No abnormality was found”

According to Tepco, alarm went off at the Temporary Dry Cask Storage Facility at 9:10 of 5/1/2013. Tepco is transferring the spent fuel assemblies from the common pool to this

Natural disasters Spent Fuel Pools

Tepco’s tilt measurement of reactor4, “Error must be taken into account as the measurement is done visually by person”

On 11/29/2012, Fukushima Diary reported “Reactor4 got a new hole on 4th floor of the south side and 2 door-looking marks on the 1st floor”. [Link] Tepco released the English

Spent Fuel Pools

Tepco is going to stop coolant system of SFP reactor4 for 56 hours

At 9:36AM of 10/22/2012, Tepco stopped SFP4 coolant system for the part replacing. They are to stop it for 56 hours. The temperature is estimated to increase from 29℃ to

Spent Fuel Pools

Attempt to analyze the SFP3 picture

Fukushima diary posted the article of “Pictures of SFP in reactor3 are pixelated again” As an attempt to look into the photo, I enlarged it by 283%. You may see

Spent Fuel Pools

[Reactor4] Exposure dose to remove the lid of PCV4 was 7.8 timers higher than new fuel from SFP4

Tepco removed the lid of PCV4 on 8/10/2012. It’s supposed to be a part of the entire removal process of spent fuel assemblies in SFP4, but Tepco did not announce

Spent Fuel Pools

[Dream technology] Tepco flew a balloon to research reactor1 but it stopped by a cable.

Nuclear the dream technology can’t even fly a balloon. This attempt looks like a joke but the situation is not a joke at all. The radiation level is significantly high

Spent Fuel Pools

[Reactor4] Tepco “There was no hydrogen gas from SFP4”

Still nobody knows what actually happened in reactor4, what caused the explosion. Nuclear accident investigation committee of the government commented that the hydrogen explosion of reactor4 was caused by both of