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At approximately 1604 CDT on 4/11/05, Coop … At approximately 1604 CDT on 4/11/05, Cooper Nuclear Station (CNS) was informed by Emergency Preparedness officials of Atchison County that the radio transmission tower that provides signals to activate tone alert radios within the 10-mile Emergency Planning Zone (EPZ) was not functioning. Tone alert radio is relied on by approximately 650 households in the EPZ who are not in audible range of sirens for notification of an emergency at CNS. Based on a total EPZ population currently estimated at 4600 persons (who are alerted principally by sirens and the tone alert radio), this is considered to be a major loss of the Public Prompt Notification system capability, and is reportable under 10CFR50.72(b)(3)(xiii).</br>Investigations are ongoing, a repair technician has been dispatched to the tower. During the interim, compensatory measures have been verified to be in place via state and local emergency planning officials for backup route alerting for personnel within the 10-mile EPZ.</br>NRC Resident Inspector was notified.</br>* * * UPDATED PROVIDED BY LICENSEE (JOBE) TO NRC (HELD) AT 1632 ON 4/12/05 * * *</br>22:53 on 4/11/05- CNS was notified by the NWS (National Weather Service) that the transmitter had been returned to high power service at 19:35. The cause of the high power transmitter loss was a lightning strike to the transmitter. The strike did not result in any equipment damage, however the transmitter had to be manually reset.</br>22:55 on 4/11/05- CNS contacted Nemaha and Richardson County Sheriff's Departments and the Atchison County 911 center to notify them that the transmitter/tower had been returned to service.</br>Operation of equipment was verified. Transmitter tower and tone alert radios have been returned to service.</br>NRC Resident Inspector was notified by the licensee.</br>R4DO (Nease) was notified.y the licensee.
R4DO (Nease) was notified. +
22:04:00, 11 April 2005 +
41,588 +
19:11:00, 11 April 2005 +
22:04:00, 11 April 2005 +
At approximately 1604 CDT on 4/11/05, Coop … At approximately 1604 CDT on 4/11/05, Cooper Nuclear Station (CNS) was informed by Emergency Preparedness officials of Atchison County that the radio transmission tower that provides signals to activate tone alert radios within the 10-mile Emergency Planning Zone (EPZ) was not functioning. Tone alert radio is relied on by approximately 650 households in the EPZ who are not in audible range of sirens for notification of an emergency at CNS. Based on a total EPZ population currently estimated at 4600 persons (who are alerted principally by sirens and the tone alert radio), this is considered to be a major loss of the Public Prompt Notification system capability, and is reportable under 10CFR50.72(b)(3)(xiii).</br>Investigations are ongoing, a repair technician has been dispatched to the tower. During the interim, compensatory measures have been verified to be in place via state and local emergency planning officials for backup route alerting for personnel within the 10-mile EPZ.</br>NRC Resident Inspector was notified.</br>* * * UPDATED PROVIDED BY LICENSEE (JOBE) TO NRC (HELD) AT 1632 ON 4/12/05 * * *</br>22:53 on 4/11/05- CNS was notified by the NWS (National Weather Service) that the transmitter had been returned to high power service at 19:35. The cause of the high power transmitter loss was a lightning strike to the transmitter. The strike did not result in any equipment damage, however the transmitter had to be manually reset.</br>22:55 on 4/11/05- CNS contacted Nemaha and Richardson County Sheriff's Departments and the Atchison County 911 center to notify them that the transmitter/tower had been returned to service.</br>Operation of equipment was verified. Transmitter tower and tone alert radios have been returned to service.</br>NRC Resident Inspector was notified by the licensee.</br>R4DO (Nease) was notified.y the licensee.
R4DO (Nease) was notified. +
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100 +
00:00:00, 12 April 2005 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
02:21:16, 2 March 2018 +
19:11:00, 11 April 2005 +
true +
false +
-0.12 d (-2.88 hours, -0.0171 weeks, -0.00395 months) +
22:04:00, 11 April 2005 +
Siren + and Tone Alert Radio +
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