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E-M:/ Fwd: Cook Reactor Shutdown due to high temperature
- Subject: E-M:/ Fwd: Cook Reactor Shutdown due to high temperature
- From: Kay Cumbow <email@example.com>
- Date: Mon, 31 Jul 2006 17:58:47 -0400
- Delivered-to: firstname.lastname@example.org
- Delivered-to: email@example.com
- List-name: Enviro-Mich
- Reply-to: Kay Cumbow <firstname.lastname@example.org>
"Hot standby" (which occurs in the phrase describing
reactor status, before Event Text,) appears to take on a double
meaning here. Global warming seems not to be so very good for nuclear
-Kay Cumbow, Director, Citizens for Alternatives to Chemical
From: "Thomas Keegan"
Subject: Cook Reactor Shutdown
Date: Mon, 31 Jul 2006 10:05:52 -0500
Power Reactor Event Number: 42739
Region: 3 State: MI
Unit:  [ ] [ ]
RX Type:  W-4-LP, W-4-LP
NRC Notified By: BRAD LEWIS
HQ OPS Officer: JOHN KNOKE Notification Date: 07/30/2006
Notification Time: 11:15 [ET]
Event Date: 07/30/2006
Event Time: 07:30 [EDT]
Last Update Date: 07/30/2006
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(i) - PLANT S/D REQD BY TS
ANNE MARIE STONE (R3)
Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current
1 M/R Y 100 Power Operation 0 Hot Standby
TECHNICAL SPECIFICATION SHUTDOWN FOR HIGH CONTAINMENT AIR TEMPERATURE
"On July 30, 2006, at 0730, a plant shutdown was initiated in
accordance with Technical Specification (TS) Action 3.6.5.B.1. This
action requires that the unit be placed in Mode 3 within six hours if
containment air temperature is not restored to within limits during the
previous eight hours.
"On July 29, 2006, at 2026 TS Action 3.6.5.A was entered due to
containment lower compartment average air temperature exceeding the TS
Limiting Condition for Operation 3.6.5.B limit of 120 degrees Fahrenheit.
Efforts to reduce the containment temperature during the eight hour
completion time of Action 3.6.5.A were unsuccessful.
"In accordance with normal plant operating procedures, the unit
shutdown was completed by initiating a manual reactor trip from 16.5%
Reactor Power following a controlled plant shutdown on July 20, 2006, at
1014. All safety systems and plant equipment used in the shutdown
functioned as designed."
All rods inserted fully without incident. No PORV/safety valves lifted.
Decay heat is being removed with AFW. Unit 2 containment air temperature
is 117 degrees Fahrenheit.
The licensee notified the NRC Resident Inspector.