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“Windscale” nuclear construction was launched
- Sellafield in Northern England
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First nuclear reactor (Windscale pile) completely built
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Second nuclear reactor was commissioned
- Total 4000 tons of graphite was used for 2 Piles
- 7ft thick wall
- 400ft high chimney
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Nuclear bomb tested successfully
- Windscale Piles were tested
- Plutonium atomic bomb
- First British nuclear weapon produced
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Pile No.2 Problem
- High temperature in the upper region of the core
- More than 140 cartridges fell to outlet ducts
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Pile No.1 Heat Problem
- Heat went high in Pile No.1
- Pile No.1 got shut down
- Smoke came out from the core
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Special thermocouples got installed
Fans and blowers shut down to solve annealing problems -
Accident happened – Fire in No.1 pile
- 10tons of radioactive (uranium) caught fire, burned for 2 days
- Failed to release stored energy (Wigner Energy), the temperature reached 1300 Celsius degrees
- “Accident ranked a high level of 5 on the International Nuclear Event Scale”
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Water filled in the core and cold down reactor by wind pattern (Pile No.1)
- Pile No. 2 was not damaged
- Judged unsafe, then Pile No.2 got shut down
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“Windscale- the Nuclear Laundry”
- Television program
- Presented effects of people younger than 22 between 1954 – 1983 who suffer from windscale incident
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Pile Reactors was finally decommissioned
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The core was begun dismantling
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10 tanks of radioactive waste were enclosed
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Pile No.1 was inspected
