GE Mark I
E790332
GE Mark I is an early-generation General Electric boiling water reactor containment design that became widely known due to its use in the Fukushima Daiichi nuclear power plant.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
boiling water reactor containment design
ⓘ
nuclear reactor containment system ⓘ |
| associatedStandard | U.S. Nuclear Regulatory Commission licensing requirements ⓘ |
| comparedTo |
later BWR containment designs such as Mark II
ⓘ
later BWR containment designs such as Mark III ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| criticizedBy | some nuclear safety experts ⓘ |
| designer | General Electric NERFINISHED ⓘ |
| designFeature |
compact containment volume
ⓘ
lightweight containment structure ⓘ pressure suppression containment ⓘ use of water pool for pressure suppression ⓘ |
| developedBy | General Electric Nuclear Energy NERFINISHED ⓘ |
| developmentPeriod | 1960s ⓘ |
| generation | early-generation ⓘ |
| hasComponent |
drywell
ⓘ
primary containment ⓘ secondary containment structures ⓘ suppression chamber ⓘ torus-shaped suppression pool ⓘ |
| hasShape | torus-shaped suppression pool configuration ⓘ |
| historicalSignificance | one of the earliest standardized BWR containment designs ⓘ |
| industryUse | commercial nuclear power generation ⓘ |
| influenceOn | subsequent BWR containment design evolution ⓘ |
| notableEventAssociation | 2011 Fukushima Daiichi nuclear disaster ⓘ |
| primaryFunction |
containment of radioactive materials during reactor accidents
ⓘ
pressure suppression during loss-of-coolant accidents ⓘ |
| publicPerception | increased scrutiny after Fukushima Daiichi accident ⓘ |
| reactorType | boiling water reactor ⓘ |
| regulatoryConcerns |
hydrogen management issues
ⓘ
risk of containment failure in severe accidents ⓘ vulnerability to overpressure ⓘ |
| safetyEnhancementMeasures |
backfit requirements in some countries
ⓘ
hardened vent systems retrofits ⓘ |
| safetyIssue |
limited containment volume compared to later designs
ⓘ
potential for early containment failure in core melt accidents ⓘ |
| usedIn |
Fukushima Daiichi Nuclear Power Plant
NERFINISHED
ⓘ
Fukushima Daiichi Unit 1 NERFINISHED ⓘ Fukushima Daiichi Unit 2 NERFINISHED ⓘ Fukushima Daiichi Unit 3 NERFINISHED ⓘ Fukushima Daiichi Unit 4 NERFINISHED ⓘ various nuclear power plants worldwide ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.