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Message Subject *** Fukushima *** and other nuclear-----updates and links
Poster Handle Anonymous Coward
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HATCH NRC EVENT NOTIFICATION: MANUAL REACTOR SCRAM INSERTED DUE TO DEGRADING REACTOR WATER CHEMISTRY

During normal power operations, the crew observed condensate/feedwater conductivity begin to increase at approximately 0530 EST on 02/10/13. The crew responded to the associated alarm response procedures and entered abnormal operating procedure 34AB-N61-001-1 due to degrading reactor water chemistry parameters. A power reduction [from 100%] was initiated at 0555 EST in accordance with station procedures for responding to a suspected condenser tube leak. At 0700 EST, a manual reactor SCRAM [from approximately 47%] was inserted due to the elevated reactor water conductivity in accordance with station abnormal operating procedures. All rods inserted completely and no complications were encountered following the reactor SCRAM, normal feedwater injection remained available.
[link to www.nucpros.com]
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