05000483/LER-2002-007

LER-2002-007, Violation of Site Security Plan due to Inclement Weather

Docket Number
Event date:	4-27-2002
Report date:	5-23-2002
Initial Reporting
4832002007R00 - NRC Website

I.. DESCRIPTION OF THE REPORTABLE EVENT

A. REPORTABLE EVENT CLASSIFICATION

This Event is reportable under 10 CFR 73.71(a)(4) reporting of safeguards events.

B. PLANT OPERATING CONDITIONS PRIOR TO THE EVENT

Callaway Plant was in Mode 1 at 100 percent power.

OF THE EVENT AND THAT CONTRIBUTED TO THE EVENT

Not Applicable.

D. NARATIVE SUMMARY OF THE EVENT, INCLUDING DATES AND APPROXIMATE TIMES

On 04/27/02 at 2023 hours0.0234 days <br />0.562 hours <br />0.00334 weeks <br />7.697515e-4 months <br />, the Shift Security Supervisor with the approval of the Operations Shift Supervisor directed Security Force Members to seek cover due to a tornado sighting/warning in Callaway County. Outside patrols and Operations Gate officers were directed to seek cover in alternate facilities. Security vehicles were arranged to prevent site access prior to leaving posts. Protected Area posts and controls were moved into safe buildings with their contingency gear. The fall back defensive strategy was maintained. No required compensatory posts were closed as a result of this event. At 2037, the danger was no longer present and operations were returned to normal.

An Event Notification telephone call was made to the NRC Operations Center at 2105, 04/27/02 (EN# 38882).

E. METHOD OF DISCOVERY OF EACH COMPONENT, SYSTEM FAILURE, OR PROCEDURAL ERROR

Not Applicable.

II.2EVENT DRIVEN INFORMATION

A. SAFETY SYSTEMS THAT RESPONDED

Not Applicable.

B. DURATION OF SAFETY SYSTEM INOPERABILITY

Security measures implemented to comply with the Order for Interim Safeguards and Security Compensatory Measures, issued 2/25/02,were affected for 14 minutes.

C. SAFETY CONSEQUENCES AND IMPLICATIONS OF THE EVENT.

Selected outside patrols and posts were temporarily suspended. The actions taken due to the inclement weather reduced the effectiveness of measures implemented to comply with the Order for Interim Safeguards and Security Compensatory Measures issued 2/25/02.

III.2CAUSE OF THE EVENT The cause of the event was a Tornado sighting/warning for Callaway County.

IV. CORRECTIVE ACTIONS

No corrective actions are necessary for this event.

V. PREVIOUS SIMILAR EVENTS

Callaway experienced a similar weather related event on 4/10/2001 documented in Callaway LER 2001-004-00.

VI. ADDITIONAL INFORMATION

The system and component codes listed below are from the IEEE Standard 805-1984 and IEEE Standard 803A-1984 respectively.

System:�Not applicable.

Component:�Not applicable.