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E-M:/ Fish Shut Cook Nuclear Plant
- Subject: E-M:/ Fish Shut Cook Nuclear Plant
- From: kcumbow <kcumbow@greatlakes.net>
- Date: Fri, 25 Apr 2003 01:13:09 -0400
- Delivered-To: enviro-mich-archive@glc.org
- Delivered-To: enviro-mich@great-lakes.net
- List-Name: Enviro-Mich
- Reply-To: kcumbow <kcumbow@greatlakes.net>
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Enviro-Mich message from kcumbow <kcumbow@greatlakes.net>
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Dear Friends,
Below is notification of an event from the Nuclear Regulatory Commission:
(fish shutting down Cook nuclear plant in Berrien County by clogging intake
screens.) Perhaps some anti-nuclear fish? Nuclear plants (among others) do
take quite a toll on fish. Thought some folks might have interest in this.
- Kay Cumbow
From: "Michael J. Keegan" <mkeegan@foxberry.net>
Subject: Fish Shut Cook Nuke
Date: Thu, 24 Apr 2003 14:55:03 -0400
+------------------------------------------------------------------
|Power Reactor |Event Number: 39790
|
+------------------------------------------------------------------
| FACILITY: COOK REGION: 3
|NOTIFICATION DATE: 04/24/2003|
UNIT: [1] [2] [] STATE: MI
|NOTIFICATION TIME: 04:40[EDT]|
| RXTYPE: [1] W-4-LP,[2] W-4-LP
EVENT DATE: 4/24/2003|
+---------------------------+EVENT TIME: 3:48[EDT]|
| NRC NOTIFIED BY: STUART SCHUETTPELZ |LAST UPDATE DATE:
04/24/2003|
| HQ OPS OFFICER: ERIC THOMAS
+-----------------------------+
+------------------------------------------------+PERSON
ORGANIZATION |
|EMERGENCY CLASS: ALERT
|MONTE PHILLIPS R3
|
|10 CFR SECTION:
|JAMES LYONS NRR
|
|AAEC 50.72(a) (1) (i) EMERGENCY DECLARED |MICHELE EVANS IRO
|
|ARPS 50.72(b)(2)(iv)(B) RPS ACTUATION - CRITICA
|CHUCK CAIN R4
|
|
|CHARLIE BAGWELL FEMA
|
|
|JOHN FLACH NRC
|
+-----+----------+-------+--------+-----------------+--------+-----
|UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX
MODE |
+-----+----------+-------+--------+-----------------+--------+-----
|1 M/R Y 100 Power Operation |0
Hot Standby
|
|2 M/R Y 100 Power Operation |0
Hot Standby
|
+------------------------------------------------------------------
EVENT TEXT
+------------------------------------------------------------------
| ALERT DECLARED
|
At 0348 EDT on 4/24/03, the plant experienced an influx of fish on the
intake screens for the circwater and emergency service water (ESW) systems.
This resulted in a loss of vacuum to Units 1 and 2 main turbines, which
led operators to manually trip both reactors. Following the trip,
operators noted that ESW flow to all 4 emergency diesel generators (EDGs)
was severely degraded. This resulted in the licensee declaring all 4 EDG's
inoperable.
An alert was declared at 0348 EDT, and the NRC entered Monitoring Mode at
0506 EDT.
* * * UPDATE AT 0600 FROM LICENSEE TO H. CROUCH * * *
All EDG's have adequate flow to be used in an emergency, but remain
inoperable.
The licensee is assessing damage to intake screens and strainers in the ESW
system, and manually backwashing ESW screens.
+------------------------------------------------------------------
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