Event Notification Report for September 24, 2021
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
09/23/2021 - 09/24/2021
Agreement State
Event Number: 55493
Rep Org: S.C. Dept. of Health & Env. Cntrl
Licensee: Infrastructure Consulting and Engineering
Region: 1
City: Gaffney State: SC
County:
License #: SC-946
Agreement: Y
Docket:
NRC Notified By: Adam Gause
HQ OPS Officer: Thomas Herrity
Licensee: Infrastructure Consulting and Engineering
Region: 1
City: Gaffney State: SC
County:
License #: SC-946
Agreement: Y
Docket:
NRC Notified By: Adam Gause
HQ OPS Officer: Thomas Herrity
Notification Date: 09/25/2021
Notification Time: 11:38 [ET]
Event Date: 09/24/2021
Event Time: 17:11 [EDT]
Last Update Date: 09/25/2021
Notification Time: 11:38 [ET]
Event Date: 09/24/2021
Event Time: 17:11 [EDT]
Last Update Date: 09/25/2021
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
10 CFR Section:
Agreement State
Person (Organization):
LALLY, CHRISTOPHER (R1)
NMSS_EVENTS_NOTIFICATION, (EMAIL)
LALLY, CHRISTOPHER (R1)
NMSS_EVENTS_NOTIFICATION, (EMAIL)
EN Revision Imported Date: 10/25/2021
EN Revision Text: AGREEMENT STATE REPORT - MOISTURE DENSITY GAUGE STRUCK BY CONSTUCTION VEHICLE
The following was received via email:
"The South Carolina Department of Health and Environmental Control was notified at 1711 EDT via telephone that a Humboldt Model 5001 moisture density gauge (serial number 5189) had been hit by a piece of construction equipment and the source rod was broken off. A Department Inspector was dispatched to the location and assisted the licensee in packing the device and source rod back into the transport container using remote handling tools and survey instruments. Additional shielding (fill dirt) was added to the transport container. Dose rate readings using an ND-2000A (calibrated 9/14/21) indicated readings as high as 38 mR/hr on the surface of the transport container and 0.8 mR/hr at 1 meter. The Humboldt Model 5001 moisture density gauge was transported and secured at the licensee's temporary storage location and is awaiting shipment back to the manufacturer. This event is still under investigation by the South Carolina Department of Health and Environmental Control."
SC event number: not yet assigned.
EN Revision Text: AGREEMENT STATE REPORT - MOISTURE DENSITY GAUGE STRUCK BY CONSTUCTION VEHICLE
The following was received via email:
"The South Carolina Department of Health and Environmental Control was notified at 1711 EDT via telephone that a Humboldt Model 5001 moisture density gauge (serial number 5189) had been hit by a piece of construction equipment and the source rod was broken off. A Department Inspector was dispatched to the location and assisted the licensee in packing the device and source rod back into the transport container using remote handling tools and survey instruments. Additional shielding (fill dirt) was added to the transport container. Dose rate readings using an ND-2000A (calibrated 9/14/21) indicated readings as high as 38 mR/hr on the surface of the transport container and 0.8 mR/hr at 1 meter. The Humboldt Model 5001 moisture density gauge was transported and secured at the licensee's temporary storage location and is awaiting shipment back to the manufacturer. This event is still under investigation by the South Carolina Department of Health and Environmental Control."
SC event number: not yet assigned.
Part 21
Event Number: 55490
Rep Org: Southern Nuclear, Fleet Regulatory
Licensee: Joseph M. Farley Nuclear Plant (FNP)
Region: 1
City: Birmingham State: AL
County:
License #:
Agreement: N
Docket:
NRC Notified By: Cheryl Gayheart
HQ OPS Officer: Thomas Herrity
Licensee: Joseph M. Farley Nuclear Plant (FNP)
Region: 1
City: Birmingham State: AL
County:
License #:
Agreement: N
Docket:
NRC Notified By: Cheryl Gayheart
HQ OPS Officer: Thomas Herrity
Notification Date: 09/24/2021
Notification Time: 17:27 [ET]
Event Date: 09/24/2021
Event Time: 00:00 [CDT]
Last Update Date: 09/24/2021
Notification Time: 17:27 [ET]
Event Date: 09/24/2021
Event Time: 00:00 [CDT]
Last Update Date: 09/24/2021
Emergency Class: Non Emergency
10 CFR Section:
21.21(d)(3)(i) - Defects And Noncompliance
10 CFR Section:
21.21(d)(3)(i) - Defects And Noncompliance
Person (Organization):
MILLER, MARK (R2DO)
PART 21/50.55 REACTORS, - (EMAIL)
MILLER, MARK (R2DO)
PART 21/50.55 REACTORS, - (EMAIL)
EN Revision Imported Date: 10/22/2021
EN Revision Text: GENERAL ELECTRIC HITACHI TRIP UNITS RIVETS POPPING OFF
"Based upon a 10 CFR 21.21(b) transfer notification from General Electric Hitachi (GEH), Southern Nuclear Operating Company's (SNC) Joseph M. Farley Nuclear Plant (FNP) has determined there is evidence a Substantial Safety Hazard could have been created by the failure of the rivets installed on certain EC Trip Units if they were left uncorrected. These EC Trip Units are a subcomponent of all five (5) emergency diesel generator control panel supply breakers at FNP.
"This defect was identified and the components were repaired by GEH before being installed in the plant. These defective EC Trip Units never posed a challenge to the safe operation of FNP.
"The NRC Senior Resident Inspector at FNP has been notified."
EN Revision Text: GENERAL ELECTRIC HITACHI TRIP UNITS RIVETS POPPING OFF
"Based upon a 10 CFR 21.21(b) transfer notification from General Electric Hitachi (GEH), Southern Nuclear Operating Company's (SNC) Joseph M. Farley Nuclear Plant (FNP) has determined there is evidence a Substantial Safety Hazard could have been created by the failure of the rivets installed on certain EC Trip Units if they were left uncorrected. These EC Trip Units are a subcomponent of all five (5) emergency diesel generator control panel supply breakers at FNP.
"This defect was identified and the components were repaired by GEH before being installed in the plant. These defective EC Trip Units never posed a challenge to the safe operation of FNP.
"The NRC Senior Resident Inspector at FNP has been notified."