TEPCO Documents
Our Library of TEPCO technical documents, reports and press releases.
TEPCO earthquake tests
TEPCO safety retrofits
TEPCO 2010 report talks about extensive retrofits at another of their NPP’s but only mentions working on an interim study to do work in the future at Fukushima.
A March 2010 TEPCO report of testing phase on page 11 of the document.
A May 2010 document safety retrofits done at Fukushima by 2009
undated page om the completion of the earthquake resistant building at Fukushima but mentions the completion of no other work,
TEPCO’s most recent Tsunami safety report
TEPCO 2007 statement about Fukushima earthquake stability based on Kashiwazaki NPP
TEPCO 2007 press release about Fukushima related to the 2007 earthquake
Fukushima Daiichi
Documents of pre-quake testing, events and the history.
Translated into English
What happened to the ostriches?
On-screen equipment overhaul of Unit 4
Local politicians visit the plant
Radiation monitoring at the plant
Children’s ostrich painting contest
Object found in reactor 1 spent fuel pool on inspection
Suppression chamber inspection reactor 3 – purple extension cord pictured?
Reactor 6 shroud inspection, object found in reactor
Reactor 6 aluminum tape found in reactor pressure vessel
Deformed rod assembly washer Reactor 2
Reactor 6 ball bearings found in reactor vessel
Shellfish found in intake screen of reactor 2
Reactor 5 water heater vent pipe corrosion
Reactor 6 control rod drive inspection and foreign objects found in reactor vessel
Reactor 6 radioactive water leak by control rod drives
Reactor 4 foreign objects found in supression chamber
Reactor 3 inspection and MOX fuel load
Reactor 1 sea water intake and piping inspection
Reactor 6 faulty indicator in moisture separator tank between turbines
Reactor 6 radioactive water leak
Reactor 6 radioactive water found in containment
Another radioactive leak at Reactor 6
Even more radioactive water leaks at Reactor 6
Reactor 6, pen, plastic bag and paper towels found in suppression chamber
Reactor 5 radioactive water leak
Reactor 5 leak into drinking water system
Reactor 4 oil leak in reactor building
Reactor 4 spent fuel pool metal shards found in pool
Reactor 3 defects in residual heat removal system valve
Reactor 3 duct tape in the supression chamber
Reactor 3 radioactive leak in turbine building
Reactor 3 leaking transformers
Reactor 2 turbine building leak
Reactor 2 leaking condensation pump
Reactor 1 spent fuel pool leaking
Duct tape found in spent fuel pool reactor 1
Reactor 1 emergency diesel generator failed upon inspection test
Reactor 1 containment leak testing
Reactor 6 heat exchanger foreign objects on inspection
Reactor 6 cooling pump inspection
Reactor 6 cooling pump output valve inspection
Reactor 6 foreign objects in supression chamber
Coolant recirculation coolant pump schematic
Reactor 6 restart after inspection
Reactor 4 debris in spent fuel pool
Reactor 4 metal cover falls into reactor well
Reactor 4 foreign objects in spent fuel pool
Reactor 4 more foreign object in spent fuel pool
Reactor 4 turbine corrosion on inspection
Reactor 3 wire brush pieces found in control rod drive after failed test
Reator 2 pressure test and tour
Reactor 2 deformed fuel assemblies
Reactor 2 problem with steam separator in RPV
Reactor 2 radioactive leak in heat removal system
Reactor 2 transformer replacement
Reactor 2 removed garbage from the intakes
Reactor 1-2 exhaust stack malfunction
Reactor 1 water level gauge recalibration
Reactor 6 reactor cap inspection
Reactor 6 valve replacement after Hamaoka had damage
Reactor 6 main generator repair
Reactor 6 water pump inspection
Reactor 6 emergency diesel generator inspection
Reactor 6 steam turbine inspections
Reactor 6 steam turbine repair
Reactor 6 main generator repair
Reactor 4 low pressure condensation pump inspection
Reactor 4 high pressure condensation pump inspection
Reactor 4 cracks in the shroud
Reactor 4 more shroud crack inspection
Reactor 4 borate injection system check
Reactor 4 emergency core cooling system check
Reactor 4 emergency diesel generator test
Reactor 3 control rod drive problem
Reactor 3 control rod drive problem part 2
Reactor 3 steam turbine repairs
Reactor 3 circulating water pump test
Reactor 3 turbine feed pump inspection
Reactor 3 steam safety valve inspection
Reactor 3 replace water heater
Reactor 3 water heater degrading
Reactor 3 control rod drive inspection
Reactor 1 control rod drive assembly leak
Reactor 1 leak rate testing and inspection fraud
Reactor 1 nitrogen pressure test
Reactor 1 more on pressure testing
Reactor 1 pressure test specs and schematic
Reactor 1 pressure test post forced shut down
Overview on pressure testing and leakage
Radioactive waste removal from the plant
Security staff combat training
2005 study of leakage in water
Site inspections by local groups
Tours of the plant by local residents
2003 nuclear emergency training
Inspection of control rod drive mechanism in reactors 1, 3, 4
cracks in shrouds and jet pumps at Fukushima
Reactor 3 control rod drive cracks and damage
Reactor 4 emergency preparedness tour
Solidified radioactive waste found
Reactor 6 fuel loading incident
Reactor 5 smoke in turbine building
Reactor 3 control rod drive system damage
Reactor 4 intake screen inspection
Reactor 3 containment removal (notice the images are labled as reactor 5)
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