EPRI NP 6695 PDF

EPRI NP 6695 PDF

on nuclear power plants in EPRI NP, “Guidelines for Nuclear Plant Response to an Earthquake,” December This regulatory. These guidelines are in EPRI NP, “A Criterion for Determining Earthquake,” July ; EPRI NP, “Guidelines for Nuclear Plant. EPRI-NP Guidelines for Nuclear Plant Response To an Earthquake.

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None of the aftershocks resulted in any impact to plant structures, systems, or components. The NRC technical evaluation of restart readiness can be viewed at the following links: Sometimes there are multiple event reports, updating the rating, the event description.

On August 23,an earthquake measuring 5. Thu, ERF description: Due to additional seismic activity, North Anna declared an NOUE on two other occasions with the final one being declared on September 1, Last update on 01 Dec ERF affiliation: Cook and Palisades in Michigan.

Cynthia Jones ERF address: Amplifying information epr the NRC actions in response to the August 23, earthquake in Virginia is available in the NRC’s website at the following link: Drag or zoom the map to explore different areas. To demonstrate spri no functional damage occurred as a result of the earthquake and that it was safe to operate the facility without undue risk to the health and safety of the public, the North Anna Power Station operator performed a number of inspections, tests, and analyses under the oversight of the United States Nuclear Regulatory Commission.

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The map shows a maximum of incidents. Following the earthquake, both North Anna units experienced a complete loss of offsite alternating current AC power LOOP sources to emergency electrical buses due to the actuation of transformer pressure relays from the effects of seismic action.

Trial application of guidelines for nuclear plant response to..|INIS

On August 29, the NRC dispatched an Augmented Inspection Team AIT to the North Anna Power Station to assess the circumstances surrounding the total loss of offsite power and dual unit reactor trip, the emergency diesel generator coolant leak and other plant equipment bp. The plant exited the NOUE on the afternoon of August 24 after completing all walkdown inspections of the equipment that is most susceptible to seismic activity.

Therefore, on August 26, the operator declared all safety-related SSCs of Units 1 and 2 inoperable for technical specifications purposes. The inspections found that the equipment was in satisfactory condition.

EPRI-NP | Guidelines for Nuclear Plant Response To an Earthquake | Document Center, Inc.

Here you only see the latest event report ERF send 66955 Contact us if a location is wrong. Units 1 and 2 entered cold shutdown conditions on August 24, and August 25,respectively. To demonstrate that no functional damage occurred as a result of the earthquake and that it was safe to operate the facility without undue risk to the epro and safety of the public, the North Anna Power Station operator performed a number epfi inspections, tests, and analyses, consistent with EPRI NP, “Guidelines for Nuclear Plant Response to an Earthquake.

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The CAL confirmed the understanding that the plant operator was not to enter Modes 1 through 4 until the NRC has completed its safety evaluation and reported its conclusion to the plant operator in writing. A backup, “station blackout” diesel generator was started to assume the loads that were being supplied by the 2H EDG.

If hundred incidents or more are within the map, the yellow perimeter indicates from where events are excluded. All of these plants exited their NOUE declarations after completing inspections and receiving confirmation of normal conditions. Here you only see the latest event report.

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