ML13031A636: Difference between revisions
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| number = ML13031A636 | | number = ML13031A636 | ||
| issue date = 08/12/2012 | | issue date = 08/12/2012 | ||
| title = | | title = From Ron Bellamy to Jim Clifford: Millstone Unit 2 Ts Required Shutdown | ||
| author name = Bellamy | | author name = Bellamy R | ||
| author affiliation = NRC/RGN-I/DRP/PB5 | | author affiliation = NRC/RGN-I/DRP/PB5 | ||
| addressee name = Clifford J | | addressee name = Clifford J, Dean W, Lew D, Mcnamara N, Roberts D, Screnci D, Sheehan N, Tifft D, Wilson G | ||
| addressee affiliation = NRC/NRR/DORL, NRC/OPA, NRC/RGN-I, NRC/RGN-I/DRS | | addressee affiliation = NRC/NRR/DORL, NRC/OPA, NRC/RGN-I, NRC/RGN-I/DRS | ||
| docket = 05000336 | | docket = 05000336 | ||
| Line 16: | Line 16: | ||
=Text= | =Text= | ||
{{#Wiki_filter:Tifft, Doug From: Bellamy, Ronald Sent: Sunday, August 12, 2012 5:01 PM To: Clifford, James; Lew, David; Dean, Bill; McNamara, Nancy; Roberts, Darrell; Screnci, Diane;Sheehan, Neil; Tifft, Doug; Wilson, George Cc: Ambrosini, Josephine | {{#Wiki_filter:Tifft, Doug From: | ||
Bellamy, Ronald Sent: | |||
Sunday, August 12, 2012 5:01 PM To: | |||
Clifford, James; Lew, David; Dean, Bill; McNamara, Nancy; Roberts, Darrell; Screnci, Diane; Sheehan, Neil; Tifft, Doug; Wilson, George Cc: | |||
Ambrosini, Josephine | |||
==Subject:== | ==Subject:== | ||
Millstone Unit 2 TS Required Shutdown Even with the emergency TS Friday, Millstone Unit 2 reached the TS required action level of 75 degrees for their UHS temperature limit Saturday night. Conditions improved and they exited the TS, only to re-enter it at 0830 Sunday. They reached Hot Standby at 1346 (required within 6 hours) and have commenced actions to be in the required cold shutdown mode within 30 hours, expected Monday morning.Jo Ambrosini reported to the site a number of times over the weekend to provide coverage. | Millstone Unit 2 TS Required Shutdown Even with the emergency TS Friday, Millstone Unit 2 reached the TS required action level of 75 degrees for their UHS temperature limit Saturday night. Conditions improved and they exited the TS, only to re-enter it at 0830 Sunday. They reached Hot Standby at 1346 (required within 6 hours) and have commenced actions to be in the required cold shutdown mode within 30 hours, expected Monday morning. | ||
There is no indication of how long Unit 2 will remain down, or what work they may do during the shutdown. | Jo Ambrosini reported to the site a number of times over the weekend to provide coverage. There is no indication of how long Unit 2 will remain down, or what work they may do during the shutdown. Even if conditions improve again, they have indicated they will continue on this path instead of cycling the organization. | ||
Even if conditions improve again, they have indicated they will continue on this path instead of cycling the organization. | There are no other unusual conditions or actions to report at this time. Unit 3 is not affected as they calculate their UHS temperature limit in a different manner due to. where the intake of water into the plant is located. | ||
There are no other unusual conditions or actions to report at this time. Unit 3 is not affected as they calculate their UHS temperature limit in a different manner due to. where the intake of water into the plant is located.We will provide an update Monday morning, Ron 1.}} | We will provide an update Monday morning, Ron 1.}} | ||
Latest revision as of 11:26, 11 January 2025
| ML13031A636 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 08/12/2012 |
| From: | Ronald Bellamy NRC/RGN-I/DRP/PB5 |
| To: | Clifford J, Bill Dean, David Lew, Mcnamara N, Darrell Roberts, Diane Screnci, Neil Sheehan, Doug Tifft, George Wilson Division of Operating Reactor Licensing, Office of Public Affairs, NRC Region 1, Division of Reactor Safety I |
| References | |
| FOIA/PA-2013-0045 | |
| Download: ML13031A636 (1) | |
Text
Tifft, Doug From:
Bellamy, Ronald Sent:
Sunday, August 12, 2012 5:01 PM To:
Clifford, James; Lew, David; Dean, Bill; McNamara, Nancy; Roberts, Darrell; Screnci, Diane; Sheehan, Neil; Tifft, Doug; Wilson, George Cc:
Ambrosini, Josephine
Subject:
Millstone Unit 2 TS Required Shutdown Even with the emergency TS Friday, Millstone Unit 2 reached the TS required action level of 75 degrees for their UHS temperature limit Saturday night. Conditions improved and they exited the TS, only to re-enter it at 0830 Sunday. They reached Hot Standby at 1346 (required within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />) and have commenced actions to be in the required cold shutdown mode within 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, expected Monday morning.
Jo Ambrosini reported to the site a number of times over the weekend to provide coverage. There is no indication of how long Unit 2 will remain down, or what work they may do during the shutdown. Even if conditions improve again, they have indicated they will continue on this path instead of cycling the organization.
There are no other unusual conditions or actions to report at this time. Unit 3 is not affected as they calculate their UHS temperature limit in a different manner due to. where the intake of water into the plant is located.
We will provide an update Monday morning, Ron 1.