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2Sv/h detected on the 1st floor of reactor1

According to Tepco, they conducted the robot survey on the 1st floor of reactor1. The purpose was to measure the radiation level, temperature and humidity in the personnel air lock

Contaminated water crisis

Robot investigated the lower part of the vent pipe of reactor2, “No water leakage was found”

From 3/13/2013 to 3/14/2013, Tepco had the quadrupedal walking robot investigate the lower part of vent pipe of reactor2. Tepco reported they didn’t find any water leakage.   http://www.tepco.co.jp/en/nu/fukushima-np/handouts/2013/images/handouts_130313_03-e.pdf http://www.tepco.co.jp/en/nu/fukushima-np/handouts/2013/images/handouts_130314_01-e.pdf


Nuclear robot fell down to have 2 human workers rescue

On 12/12/2012, Fukushima Diary reported about the investigation of reactor2 by using a robot of 12/11/2012. [Link] Tepco attempted another investigation on 12/12/2012 again, but it fell down and 2


[Check this out] The slowness of the nuclear robot

On 12/11/2012, Tepco investigated the vent pipe of the  lower part of reactor2 by using the nuclear robot. Fukushima Diary reported about the robot on 12/3/2012. [Link] According to the


[Nuclear robot] Drives at 0.2km/h, runs for 1 hour on battery

Toshiba developed two of the nuclear robot for Fukushima and released the specification. However, it doesn’t look adequate to decommission 4 reactors.   1. Small vehicle Battery : 1 hour Speed


[Reactor3 got worse than last year] 5 Sv/h on the first floor of reactor3, “3.6 times worse than last year”

On 11/27/2012, Tepco conducted robot survey on the first floor of reactor3 building. [Link] The purpose was to investigate the pipe for contaminated air from the turbin building, the pipe


1Sv/h on the first floor of reactor3

On 11/26/2012, Tepco published the report of “Unit 3 PCV Gas Control System Duct Inspection at Fukushima plant”. In the report, it is stated that the atmospheric dose on the first

Cover-ups Plant hazard

Mr.Koide “Robot technology can’t be help, human must decommission Fukushima by themselves.”

Tepco is trying to develop robot technology to settle down Fukushima. (cf. Tepco developing remote controlling robots, wall crawler, airship, RPV diver, etc..) On 10/18/2012, Mr. Koide commented Tepco can’t

Core removing struggle

Tepco developing remote controlling robots, wall crawler, airship, RPV diver, etc..

On 9/24/2012, R&D department of Tepco released the latest report about remote technique to invest Fukushima plant. Tepco can’t investigate the crippled Fukushima plant with the existing technology. They are

Core removing struggle

[Reactor3] Visual data sent from dead survey robot

Following up this article..Survey robot died in reactor3 Tepco released detailed data collected by the dead survey robot in reactor3.             ↓ Southeast side manhole