HW_4_444.docx - What was the accident Fukushima Daiichi nuclear plant accident was due to the Great East Japan Earthquake and tsunami in 2011 The

HW_4_444.docx - What was the accident Fukushima Daiichi...

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What was the accident?Fukushima Daiichi nuclear plant accident was due to the Great East Japan Earthquake andtsunami in 2011. The earthquake removed the AC power on site completely. The tsunamiflooded the power plant that resulted in the loss of onsite AC and DC power. Effects of the accident:Units 1, 2, and 3: Severe core damage in reactors; Units 1, 3, and 4: Reactor buildings damaged by hydrogen explosions;Releases of radioactive materials contaminated Fukushima and surrounding areas;Issues that led to this devastation:1.Personnel: Lack of training for operators and onsite emergency response centre staff.Inadequate knowledge on procedures and details during water inrush and blackout ofAC and DC power.Prevention: Plant operators and regulators must be trained appropriately. They haveto be steadfast and take actions to implement countermeasures when in emergencyand at risk. They should be enough staff in charge for the functioning of the plant onsite.2.TEPCOhad certain safety measures to be worked on which were: Tsunami control: Large seawall protection, protection of buildingsandprovision ofmultiple backup power sources. Function control: Sources of the site assistance widespread and informed toall.
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