Thus it would require safety failures at many dry casks to produce the scale of radiological release that could result from a safety failure at one spent fuel pool. In contrast to the large amount of fuel in a single spent fuel pool each dry cask only holds 10 to 15 tons of spent fuel or only a few percent of a typical spent fuel pool. These facilities are licensed separately from a nuclear power plant and are considered independent even though they may be located on the site of another nrc licensed facility.
An independent spent fuel storage installation or isfsi is a facility that is designed and constructed for the interim storage of spent nuclear fuel. When located outside the containment building the two areas are connected by a fuel transfer system which carries the fuel. Spent fuel pool sfp is storage pool for spent nuclear fuel from nuclear reactors spent fuel pool may be located inside the containment building or inside the fuel building outside the containment building.
All information in the spreadsheet is obtained from publicly available documents but may not be entirely accurate due to the evolving nature of this information. The spent fuel pool criticality management database ml13212a064 lists the means by which each operating spent fuel pool in the entire us fleet meets its subcriticality requirement. He spotted an unidentified length of tubing on the bottom of the pool and radioed his.
On august 31st 2010 a diver was servicing the spent fuel pool at the leibstadt nuclear reactor in switzerland. However these divers have to be careful. We know spent fuel pools can be safe to swim in because they re routinely serviced by human divers.
The irradiated fuel assemblies may continue to be adequately cooled even when the spent fuel pool water level drops below the top of the racks. The partial drainage disables the spent fuel pool cooling system and also blocks the chimney effect air flow fig. But what happens if a spent fuel pool only partially drains.
When located outside the containment building the two areas are connected by a fuel transfer system which carries the fuel. Spent fuel pool sfp is storage pool for spent nuclear fuel from nuclear reactors spent fuel pool may be located inside the containment building or inside the fuel building outside the containment building. Practical spent fuel pool designs generally do not rely on passive cooling but rather require that the water be actively pumped.
Spent nuclear fuel pool. Spent fuel pools sfp are storage pools or ponds uk usage for spent fuel from nuclear reactors they are typically 40 or more feet 12 m deep with the bottom 14 feet 4 3 m equipped with storage racks designed to hold fuel assemblies removed from reactors.
Spent fuel pools sfp are storage pools or ponds uk usage for spent fuel from nuclear reactors they are typically 40 or more feet 12 m deep with the bottom 14 feet 4 3 m equipped with storage racks designed to hold fuel assemblies removed from reactors.