Friday, April 29, 2011

Annotated Photos of Fukushima (continued)

Below are some additional annotated versions of high-resolution photographs of the Fukushima Dai-Ichi nuclear plant that have been posted on the web by cryptome.org. For annotated photos 1-4, click here.

Photo 5: (original photo: Air Photo Service Co. Ltd., Japan)

5A ? Unit 3 turbine building containing the main turbine, main generator, condenser, condensate pumps, and condensate booster pumps

5B ? Unit 4 turbine building containing the main turbine, main generator, condenser, condensate pumps, and condensate booster pumps

5C ? Unit 2 offgas line that transports air pulled from the condenser inside the Unit 2 turbine building during normal operation to the offgas building for treatment to reduce radioactivity levels before discharge to the atmosphere

5D ? Unit 3 offgas line that transports air pulled from the condenser inside the Unit 2 turbine building during normal operation to the offgas building for treatment to reduce radioactivity levels before discharge to the atmosphere

5E ? Unit 3 reactor building (H) exhaust line to the stack (G) showing extensive damage

5F - Unit 4 reactor building (I) exhaust line to the stack (G)

5G - Stack shared by the Unit 3 and Unit 4 reactor building exhaust system. Air from the reactor buildings is discharged from this stack during normal operations. During accident conditions, a system within the reactor building routes air through a charcoal filter system before sending it to the stack for discharge. The primary containment is vented through the reactor building charcoal filter system before flowing through the lines to the stack.

5H - Unit 3 reactor building with extensive damage caused by hydrogen explosion

5I - Unit 4 reactor building with extensive damage caused by hydrogen explosion

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Photo 6: (original photo: Air Photo Service Co. Ltd., Japan)

6A ? Unit 3 turbine building containing the main turbine, main generator, condenser, condensate pumps, and condensate booster pumps

6B ? Unit 4 turbine building containing the main turbine, main generator, condenser, condensate pumps, and condensate booster pumps

6C - Unit 3 reactor building with extensive damage caused by hydrogen explosion

6D - Unit 4 reactor building with extensive damage caused by hydrogen explosion

6E ? Unit 3 main transformer showing three parallel bus ducts connecting the main transformer to the Unit 3 turbine building (A) housing the main generator

6F ? Unit 4 main transformer showing three parallel bus ducts connecting the main transformer to the Unit 3 turbine building (B) housing the main generator

6G ? Unit 3 reactor building (C) exhaust line to the stack (I) showing extensive damage

6H - Unit 4 reactor building (D) exhaust line to the stack (I)

6I - Stack shared by the Unit 3 and Unit 4 reactor building exhaust system. Air from the reactor buildings is discharged from this stack during normal operations. During accident conditions, a system within the reactor building routes air through a charcoal filter system before sending it to the stack for discharge. The primary containment is vented through the reactor building charcoal filter system before flowing through the lines to the stack.

6J ? Unit 3 truck bay used to deliver canisters of new fuel assemblies into the reactor building (D) and its refueling floor

6K ? Unit 4 truck bay used to deliver canisters of new fuel assemblies into the reactor building (D) and its refueling floor

6L ? Unit 3 access hatch connecting the truck bay elevation with the refueling floor elevation inside the Unit 3 reactor building (C)

6M ? Unit 4 drywell head (yellow). Unit 4 was in a refueling shutdown at the time with the drywell head and reactor vessel head removed to allow access to the reactor core.

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Photo 7: (original photo: Air Photo Service Co. Ltd., Japan)

7A ? Unit 3 turbine building containing the main turbine, main generator, condenser, condensate pumps, and condensate booster pumps. Roof damage possibly caused by debris from the Unit 3 reactor building (B) explosion

7B - Unit 3 reactor building with extensive damage caused by hydrogen explosion

7C ? Unit 2 offgas line that transports air pulled from the condenser inside the Unit 2 turbine building during normal operation to the offgas building for treatment to reduce radioactivity levels before discharge to the atmosphere

7D ? Unit 3 offgas line that transports air pulled from the condenser inside the Unit 2 turbine building during normal operation to the offgas building for treatment to reduce radioactivity levels before discharge to the atmosphere

7E ? Unit 3 reactor building (B) exhaust line to the stack showing extensive damage

7F ? Unit 3 truck bay used to deliver canisters of new fuel assemblies into the reactor building (B) and its refueling floor

7G ? Unit 3 access hatch connecting the truck bay elevation with the refueling floor elevation inside the Unit 3 reactor building (B)

Source: http://feedproxy.google.com/~r/AllThingsNuclear/~3/zS__5PyCdHY/4261607292

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