Event Notification Report for May 23, 2006
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
05/22/2006 - 05/23/2006
Power Reactor
Event Number: 42598
Facility: HATCH
Region: 2 State: GA
Unit: [1] [2] []
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: FRANK GORLEY
HQ OPS Officer: PETE SNYDER
Region: 2 State: GA
Unit: [1] [2] []
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: FRANK GORLEY
HQ OPS Officer: PETE SNYDER
Notification Date: 05/23/2006
Notification Time: 09:47 [ET]
Event Date: 05/23/2006
Event Time: 08:00 [EDT]
Last Update Date: 05/23/2006
Notification Time: 09:47 [ET]
Event Date: 05/23/2006
Event Time: 08:00 [EDT]
Last Update Date: 05/23/2006
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
Person (Organization):
MALCOLM WIDMANN (R2)
MALCOLM WIDMANN (R2)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
| 2 | N | Y | 100 | Power Operation | 100 | Power Operation |
TSC VENTILATION TAKEN OUT OF SERVICE FOR MAINTENANCE
"Planned preventive and corrective maintenance activities are being performed today (May 23, 2006) on the Hatch Nuclear Plant's Technical Support Center (TSC). These work activities are planned to be completed today within the (12) hour day shift. These maintenance activities include the performance of preventive maintenance on the TSC air handling unit and the TSC condensing unit, replacement of the door seal on the TSC west entry door, replacement of the existing electro-mechanical timer for the TSC condensing unit with a digital timer and replacement of the contactors on the TSC condensing unit. During the time these activities are being performed, the TSC air handling unit, TSC condensing unit, TSC filter train and the fan unit for the TSC filter train will not be available for operation. As such, the TSC HVAC will be rendered non-functional during the performance of this work activity.
"If an emergency condition requiring activation of the TSC occurs during the time these work activities are being performed, then contingency plans call for, utilization of the TSC as long as radiological conditions allow. Procedure 73EP-EIP-063-0, Technical Support Center Activation, provides instructions to direct TSC management to the Control Room and TSC support personnel to the Simulator Building to continue TSC activities if it is necessary to relocate from the TSC so that TSC functions can be continued.
"This event is reportable per 10CFR50.72(b)(3)(xiii) as described in NUREG-1022, Rev. 1 since this work activity affects an emergency response facility for the duration of the evolution."
The licensee notified the NRC Resident Inspector.
"Planned preventive and corrective maintenance activities are being performed today (May 23, 2006) on the Hatch Nuclear Plant's Technical Support Center (TSC). These work activities are planned to be completed today within the (12) hour day shift. These maintenance activities include the performance of preventive maintenance on the TSC air handling unit and the TSC condensing unit, replacement of the door seal on the TSC west entry door, replacement of the existing electro-mechanical timer for the TSC condensing unit with a digital timer and replacement of the contactors on the TSC condensing unit. During the time these activities are being performed, the TSC air handling unit, TSC condensing unit, TSC filter train and the fan unit for the TSC filter train will not be available for operation. As such, the TSC HVAC will be rendered non-functional during the performance of this work activity.
"If an emergency condition requiring activation of the TSC occurs during the time these work activities are being performed, then contingency plans call for, utilization of the TSC as long as radiological conditions allow. Procedure 73EP-EIP-063-0, Technical Support Center Activation, provides instructions to direct TSC management to the Control Room and TSC support personnel to the Simulator Building to continue TSC activities if it is necessary to relocate from the TSC so that TSC functions can be continued.
"This event is reportable per 10CFR50.72(b)(3)(xiii) as described in NUREG-1022, Rev. 1 since this work activity affects an emergency response facility for the duration of the evolution."
The licensee notified the NRC Resident Inspector.
Power Reactor
Event Number: 42599
Facility: PILGRIM
Region: 1 State: MA
Unit: [1] [] []
RX Type: [1] GE-3
NRC Notified By: RICHARD PROBASCO
HQ OPS Officer: JEFF ROTTON
Region: 1 State: MA
Unit: [1] [] []
RX Type: [1] GE-3
NRC Notified By: RICHARD PROBASCO
HQ OPS Officer: JEFF ROTTON
Notification Date: 05/23/2006
Notification Time: 10:25 [ET]
Event Date: 05/23/2006
Event Time: 10:08 [EDT]
Last Update Date: 05/23/2006
Notification Time: 10:25 [ET]
Event Date: 05/23/2006
Event Time: 10:08 [EDT]
Last Update Date: 05/23/2006
Emergency Class: NON EMERGENCY
10 CFR Section:
74.11(a) - LOST/STOLEN SNM
10 CFR Section:
74.11(a) - LOST/STOLEN SNM
Person (Organization):
MEL GRAY (R1)
GREG MORELL (NMSS)
BENJAMIN SANDLER (TAS)
THOMAS BLOUNT (IRD)
MARY JANE ROSS-LEE (NRR)
MEL GRAY (R1)
GREG MORELL (NMSS)
BENJAMIN SANDLER (TAS)
THOMAS BLOUNT (IRD)
MARY JANE ROSS-LEE (NRR)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
LOST SPECIAL NUCLEAR MATERIAL
"In Event Notification 42597 on May 22, 2006 Pilgrim Nuclear Power Station notified the NRC that during ongoing activities to remove non-fuel material from the Pilgrim Spent Fuel Pool it had been identified that an irradiated neutron detector containing a very small quantity (less than 0.003 grams) of special nuclear material is not in its expected location. Per the inventory sheets the neutron detector should have been enclosed in a 'dry tube' in the Spent Fuel Pool. Processing of the 'dry tube' for shipment identified that the neutron detector is not in its expected location.
"There were a total of twelve (12) 'dry tubes' that our records show enclosed neutron detectors. Four (4) of these 'dry tubes' have been processed and a second 'dry tube' in which no neutron detector was stored has been found. This irradiated neutron detector would have contained a very small quantity (less than 0.003 grams) of special nuclear material.
"This condition is being conservatively reported under 10CFR74.11. There is no evidence of theft or diversion.
"Investigation is continuing."
The licensee notified the NRC Resident Inspector.
SEE UPDATED EN#42597 ON 5/26/06.
"In Event Notification 42597 on May 22, 2006 Pilgrim Nuclear Power Station notified the NRC that during ongoing activities to remove non-fuel material from the Pilgrim Spent Fuel Pool it had been identified that an irradiated neutron detector containing a very small quantity (less than 0.003 grams) of special nuclear material is not in its expected location. Per the inventory sheets the neutron detector should have been enclosed in a 'dry tube' in the Spent Fuel Pool. Processing of the 'dry tube' for shipment identified that the neutron detector is not in its expected location.
"There were a total of twelve (12) 'dry tubes' that our records show enclosed neutron detectors. Four (4) of these 'dry tubes' have been processed and a second 'dry tube' in which no neutron detector was stored has been found. This irradiated neutron detector would have contained a very small quantity (less than 0.003 grams) of special nuclear material.
"This condition is being conservatively reported under 10CFR74.11. There is no evidence of theft or diversion.
"Investigation is continuing."
The licensee notified the NRC Resident Inspector.
SEE UPDATED EN#42597 ON 5/26/06.