Event Notification Report for February 10, 2003
U.S. Nuclear Regulatory Commission
Operations Center
Event Reports For
02/07/2003 - 02/10/2003
** EVENT NUMBERS **
39573 39574
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|Power Reactor |Event Number: 39573 |
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| FACILITY: BEAVER VALLEY REGION: 1 |NOTIFICATION DATE: 02/07/2003|
| UNIT: [1] [] [] STATE: PA |NOTIFICATION TIME: 15:54[EST]|
| RXTYPE: [1] W-3-LP,[2] W-3-LP |EVENT DATE: 02/07/2003|
+------------------------------------------------+EVENT TIME: 14:08[EST]|
| NRC NOTIFIED BY: ROBERT G. HADDOCK |LAST UPDATE DATE: 02/07/2003|
| HQ OPS OFFICER: STEVE SANDIN +-----------------------------+
+------------------------------------------------+PERSON ORGANIZATION |
|EMERGENCY CLASS: NON EMERGENCY |JAMES NOGGLE R1 |
|10 CFR SECTION: | |
|AUNA 50.72(b)(3)(ii)(B) UNANALYZED CONDITION | |
| | |
| | |
| | |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|1 N Y 100 Power Operation |100 Power Operation |
| | |
| | |
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EVENT TEXT
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| UNANALYZED CONDITION RELATED TO A POTENTIAL DISCHARGE OF THE C02 FIRE |
| SUPPRESSION SYSTEM |
| |
| "On 2/7/2003 at 1408 hours, the Beaver Valley Power Station control room was |
| notified by Engineering that a potential pressure transient from a discharge |
| of the C02 total flooding fire suppression system in the East and West Cable |
| Vaults at Beaver Valley Unit 1 (BV-1) could result in an unanalyzed |
| condition. This pressure transient could cause the fire barriers within the |
| subject areas to be structurally challenged, resulting in the potential for |
| a postulated fire in one fire area to spread to an adjacent fire area. This |
| condition could invalidate the assumptions made in the BV-1 fire protection |
| safe shutdown analysis per 10 CFR 50 Appendix R. This condition was |
| discovered following engineering's evaluation of a Condition Report |
| initiated on 2/5/03 concerning the potential for a C02 discharge in the |
| above areas that could have resulted in a breach of the fire barriers |
| between adjacent fire areas. The automatic C02 suppression system in the |
| East and West Cable Vaults was defeated on 2/5/03 at 2150 hours in response |
| to the initial identified concern and a fire watch was established in the |
| affected areas. These compensatory measures eliminate the potential for C02 |
| overpressure transient condition in the affected areas. |
| |
| "This condition is being reported pursuant to 10 CFR 50.72(b)(3)(ii) as an |
| unanalyzed condition that significantly degrades plant safety since a |
| potential discharge of the C02 fire suppression system in response to a |
| postulated fire could have invalidated the assumptions made in the BV-1 fire |
| protection safe shutdown analysis per 10 CFR 50 Appendix R. The NRC resident |
| has been notified of the degraded condition." |
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|Other Nuclear Material |Event Number: 39574 |
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| REP ORG: INDIANA DEPARTMENT OF TRANSPORTATIO |NOTIFICATION DATE: 02/09/2003|
|LICENSEE: INDIANA DEPARTMENT OF TRANSPORTATION |NOTIFICATION TIME: 07:10[EST]|
| CITY: INDIANAPOLIS REGION: 3 |EVENT DATE: 02/09/2003|
| COUNTY: STATE: IN |EVENT TIME: 04:20[EST]|
|LICENSE#: 13-26341-01 AGREEMENT: N |LAST UPDATE DATE: 02/09/2003|
| DOCKET: 03032463 |+----------------------------+
| |PERSON ORGANIZATION |
| |KENNETH RIEMER R3 |
| |MELVYN LEACH NMSS |
+------------------------------------------------+ |
| NRC NOTIFIED BY: TOM JOHN | |
| HQ OPS OFFICER: RICH LAURA | |
+------------------------------------------------+ |
|EMERGENCY CLASS: NON EMERGENCY | |
|10 CFR SECTION: | |
|NINF INFORMATION ONLY | |
| | |
| | |
| | |
| | |
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EVENT TEXT
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| DAMAGED TROXLER GAUGE AT CONSTRUCTION SITE |
| |
| The RSO from the Indiana Department of Transportation reported a damaged |
| Troxler gauge at a new construction site located approximately 1 mile west |
| of the Indianapolis Airport. A bulldozer drove over the Troxler gauge. The |
| gauge belongs to the State of Indiana. The gauge was a model number 3440 and |
| had the serial number 19699. The gauge contained approximately 8 |
| millicuries Cs-137 and 40 millicuries of Am-241/Be. The operating rod |
| handle on the top of the gauge was bent over such that the plate on the |
| bottom was stuck open. The RSO performed a radiological survey. The gauge |
| casing was intact and no leakage was found. No personnel contaminations or |
| radiation overexposures were observed. The RSO roped off the area. The RSO |
| planned to transport the gauge back to the facilities shielded room. |
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Page Last Reviewed/Updated Wednesday, March 24, 2021
Page Last Reviewed/Updated Wednesday, March 24, 2021