United States Nuclear Regulatory Commission - Protecting People and the Environment

Event Notification Report for March 22, 2012

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
03/21/2012 - 03/22/2012

** EVENT NUMBERS **


47747 47750 47755 47758

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Agreement State Event Number: 47747
Rep Org: LOUISIANA RADIATION PROTECTION DIV
Licensee: SUNLAND FABRICATION INC
Region: 4
City: WALKER State: LA
County:
License #: LA-3462-L01
Agreement: Y
Docket:
NRC Notified By: JAMES PATE
HQ OPS Officer: CHARLES TEAL
Notification Date: 03/16/2012
Notification Time: 08:59 [ET]
Event Date: 03/15/2012
Event Time: 01:00 [CDT]
Last Update Date: 03/16/2012
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
CHUCK CAIN (R4DO)
ANGELA MCINTOSH (FSME)

Event Text

AGREEMENT STATE REPORT - RADIOGRAPHY CAMERA DAMAGED DURING BUILDING FIRE

A fire at one of the licensee's facilities resulted in damage to a Spec 880 Delta radiography camera (33 Ci of Ir-192; source serial number 76628B and camera serial number D7538). The outer casing was charred and brittle as a result of the fire. The source remained intact and in the shielded position. All radiation levels were normal for a shielded source.

QSA global has been contacted and will pick up the camera. There were no personnel exposures as a result of this event.

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Agreement State Event Number: 47750
Rep Org: MINNESOTA DEPARTMENT OF HEALTH
Licensee: BRAUN INTERTEC CORPORATION
Region: 3
City: WELCH State: MN
County:
License #: 1082-103-27
Agreement: Y
Docket:
NRC Notified By: BRANDON JURAN
HQ OPS Officer: JOHN SHOEMAKER
Notification Date: 03/16/2012
Notification Time: 15:44 [ET]
Event Date: 03/15/2012
Event Time: 15:30 [CDT]
Last Update Date: 03/16/2012
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
MICHAEL KUNOWSKI (R3DO)
JAMES DANNA (FSME)

Event Text

AGREEMENT STATE REPORT - RADIOGRAPHY CAMERA STUCK SOURCE

The following information was provided by the State of Minnesota via email:

"Braun Intertec was performing radiography on a valve in a pit at a temporary jobsite. The camera was a model QSA 680 SN: A334 with a 29 Ci Co-60 source model 424-14 SN: 2905. When cranking out the source after about 10-15 revolutions the controls went free; the radiographer could not crank the source back in. The barrier around the worksite was set at <2mR/hr, so the barrier was maintained. The RSO (Radiation Safety Officer) and Corporate RSO were notified and responded to the site. They suspected the drive cable went past the controls. They disconnected the conduit from the controls and were able to use a tool to grab the end of the drive cable and pull back through until the source was back to the shielded position. The exposure level at the crank during the retrieval was <1 mR/hr, and the operation took about 20 min. The RSO and Corporate RSO did not receive a measurable dose during the operation. The two radiographers on site received 4 mR and 2 mR for the shift, not necessarily from the disconnect or retrieval."

Minnesota Department of Health Report #MN120004

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!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!
Power Reactor Event Number: 47755
Facility: KEWAUNEE
Region: 3 State: WI
Unit: [1] [ ] [ ]
RX Type: [1] W-2-LP
NRC Notified By: CHRISTOPHER BUSH
HQ OPS Officer: CHARLES TEAL
Notification Date: 03/20/2012
Notification Time: 00:20 [ET]
Event Date: 03/19/2012
Event Time: 16:12 [CDT]
Last Update Date: 03/21/2012
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(ii)(B) - UNANALYZED CONDITION
50.72(b)(3)(v)(A) - POT UNABLE TO SAFE SD
50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
Person (Organization):
MICHAEL KUNOWSKI (R3DO)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation

Event Text

POTENTIAL FOR AERIAL LIFT TO IMPACT SERVICE WATER PIPING DURING SEISMIC EVENT

"At 1612 on 3/19/12 it was identified that an aerial lift was located in the Auxiliary Building stored in a seismic storage area near Train A and Train B safety related service water piping to Control Room Air Conditioning (CRAC) Alternate Cooling System. This resulted in both trains of Service Water being INOPERABLE per TS 3.7.8 and both trains of CRAC Alternate Cooling system per TS 3.7.11.

"At this time, there is no conclusive information that would support the OPERABILITY of the Service Water System during a seismic event therefore this event is being conservatively reported under 50.72(b)(3)(ii)(B), 'The nuclear plant being in an unanalyzed condition that significantly degrades plant safety.' and 50.72(b)(3)(v)(A) and (D) 'Any event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structure systems that are needed for: (A) shutdown the reactor and maintain it in a safe shutdown condition, (D) mitigate the consequences of an accident.'

"The aerial lift was removed and the plant is no longer in the condition noted above."

The NRC Resident Inspector has been informed.


* * * RETRACTION FROM JACK GADZALA TO DONALD NORWOOD AT 1130 EDT ON 3/21/2012 * * *

"On March 19, 2012, EN #47755 provided notification that both service water trains were potentially inoperable based on the potential for an improperly stored aerial lift to tip onto the adjacent service water piping during a seismic event. The notification was conservatively made due to the lack of conclusive information regarding any potential interaction between the aerial lift and the service water piping during a seismic event.

"Subsequent investigation and analysis determined that physical characteristics of the aerial lift are such that it would not have adversely interacted with the service water piping.

"Therefore, both service water trains remained operable and this condition did not meet the reportability criteria identified in 10CFR50.72.

"As a result, the notification made on 3/19/2012 (EN #47755) is hereby retracted. The NRC Resident Inspector has been notified."

Notified R3DO (Stone).

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Power Reactor Event Number: 47758
Facility: DIABLO CANYON
Region: 4 State: CA
Unit: [1] [ ] [ ]
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: DAVE GOUVEIA
HQ OPS Officer: MARK ABRAMOVITZ
Notification Date: 03/21/2012
Notification Time: 13:53 [ET]
Event Date: 03/21/2012
Event Time: 07:49 [PDT]
Last Update Date: 03/21/2012
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
MICHAEL HAY (R4DO)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation

Event Text

INADVERTENT OFFSITE NOTIFICATION DURING SIMULATOR TRAINING

"At 0749 PDT on March 21, 2012, during a training scenario in the plant simulator, plant personnel inadvertently issued an Alert notification for Diablo Canyon Power Plant (DCPP), Unit 1. This Alert should be disregarded. The Alert was issued as a loss of the Unit 1 fuel cladding barrier with no radioactive release. There is no Alert declaration at DCPP Units 1 or 2, and both units are operating normally. DCPP contacted notified parties to clarify that the Alert notification was inadvertent.

"DCPP is making this 4-hr, non-emergency notification under 10 CFR 50.72(b)(2)(xi) as a situation for which an (inadvertent) notification to other government agencies has been made."

The licensee is investigating this inadvertent notification but believes that the notification system was still set up from the emergency plan drill which was conducted last week.

The licensee notified the NRC Resident Inspector, San Luis Obispo County, and the State.

Page Last Reviewed/Updated Thursday, March 29, 2012
Thursday, March 29, 2012