ML091190089: Difference between revisions
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| number = ML091190089 | | number = ML091190089 | ||
| issue date = 10/15/2008 | | issue date = 10/15/2008 | ||
| title = E-mail from J. Richmond of | | title = E-mail from J. Richmond of USNRC to C. Taylor of Exelon Corp., Regarding Dose Estimate for NRC Inspection | ||
| author name = Richmond J | | author name = Richmond J | ||
| author affiliation = NRC/RGN-I/DRS/EB1 | | author affiliation = NRC/RGN-I/DRS/EB1 | ||
| addressee name = Taylor C | | addressee name = Taylor C | ||
| Line 16: | Line 16: | ||
=Text= | =Text= | ||
{{#Wiki_filter:John Richmond From: John Richmond, -Sent: Wednesday, October 15, 2008 2:16 PM To: Calvin.Taylor@exeloncorp.com Cc: John. Murphy4@exeloncorp.com | {{#Wiki_filter:John Richmond From: John Richmond, - | ||
Sent: Wednesday, October 15, 2008 2:16 PM To: Calvin.Taylor@exeloncorp.com Cc: John. Murphy4@exeloncorp.com | |||
==Subject:== | ==Subject:== | ||
RE: Dose estimate for NRC inspection Our ISI inspectors think these estimates may be a little on the high side, but it's our best guess at this point.Inside the Drywell 4 -6 hours (1 inspector) for lower D/W shelf and trench UT & coating inspections 6 -8 hours (total for 1 or 2 inspectors) for upper D/W shell UT inspections | RE: Dose estimate for NRC inspection Our ISI inspectors think these estimates may be a little on the high side, but it's our best guess at this point. | ||
??? hours (1 inspector) for electrical cable inspections, R2122597 Outside the D/W for access/egress to Sandbeds (not includinq time inside the sandbeds)6 -8 hours for 1 inspector 2 -4 hours for a second inspector There will be other inspection tasks inside the RCA, but don't think there are any more inside the D/W.There will be time spent in the torus room, to check the sandbed drain bottles. Will probably check the bottles a couple of times.If there is water found in a D/W trench, that could involve additional time in the D/W.Let me know if you need any additional info.John Richmond, NRC Team Lead From: Calvin.Taylor@exeloncorp.com | Inside the Drywell 4 - 6 hours (1 inspector) for lower D/W shelf and trench UT & coating inspections 6 - 8 hours (total for 1 or 2 inspectors) for upper D/W shell UT inspections | ||
[mailto:Calvin.Taylor@exeloncorp.com] | ??? hours (1 inspector) for electrical cable inspections, R2122597 Outside the D/W for access/egress to Sandbeds (not includinq time inside the sandbeds) 6 - 8 hours for 1 inspector 2 - 4 hours for a second inspector There will be other inspection tasks inside the RCA, but don't think there are any more inside the D/W. | ||
There will be time spent in the torus room, to check the sandbed drain bottles. Will probably check the bottles a couple of times. | |||
If there is water found in a D/W trench, that could involve additional time in the D/W. | |||
Let me know if you need any additional info. | |||
John Richmond, NRC Team Lead From: Calvin.Taylor@exeloncorp.com [mailto:Calvin.Taylor@exeloncorp.com] | |||
Sent: Tuesday, October 14, 2008 8:19 AM To: John Richmond Cc: John.Murphy4@exeloncorp.com | Sent: Tuesday, October 14, 2008 8:19 AM To: John Richmond Cc: John.Murphy4@exeloncorp.com | ||
==Subject:== | ==Subject:== | ||
Dose estimate for NRC inspection John, do you have a guesstimate (obviously can't or won't hold you to it) of about how many hours your team will be spending in the drywell. John is our Radiological Engineering Manager and is preparing a dose budget for the outage.Thanks, Cal Calvin C. Taylor Sr. Licensing Engineer 609.971.4031 TEAIVIOyster Creek Exelon Nuclear Caring About the Environment is the Nature of Our Job************************************************** | Dose estimate for NRC inspection John, do you have a guesstimate (obviously can't or won't hold you to it) of about how many hours your team will be spending in the drywell. John is our Radiological Engineering Manager and is preparing a dose budget for the outage. | ||
This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is-privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. | : Thanks, Cal Calvin C. Taylor Sr. Licensing Engineer 609.971.4031 TEAIVIOyster Creek Exelon Nuclear Caring About the Environment is the Nature of Our Job | ||
This e-mail is intended solely for the use of the individual or entity to which it is addressed. | ************************************************** This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is-privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. This e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, 1 | ||
If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. | |||
If you have received this e-mail in error, 1 | >please notify the sender immediately and permanently delete the original and any copy of this e-mail and any 2 | ||
>please notify the sender immediately and permanently delete the original and any copy of this e-mail and any 2 Received: | |||
from R1CLSTR01 .nrc.gov ([148.184.99.7]) | Received: from R1CLSTR01 .nrc.gov ([148.184.99.7]) by R1 MS01 .nrc.gov | ||
by R1 MS01 .nrc.gov ([148.184.99.10]) | ([148.184.99.10]) with mapi; Wed, 15 Oct 2008 14:16:17 -0400 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: binary From: John Richmond <John.Richmond@nrc.gov> | ||
with mapi; Wed, 15 Oct 2008 14:16:17 -0400 Content-Type: | |||
application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: | |||
binary From: John Richmond <John.Richmond@nrc.gov> | |||
To: "Calvin.Taylor@exeloncorp.com" <Calvin.Taylor@exeloncorp.com> | To: "Calvin.Taylor@exeloncorp.com" <Calvin.Taylor@exeloncorp.com> | ||
CC: "John.Murphy4@exeloncorp.com" <John.Murphy4@exeloncorp.com> | CC: "John.Murphy4@exeloncorp.com" <John.Murphy4@exeloncorp.com> | ||
Date: Wed, 15 Oct 2008 14:16:16 -0400 | Date: Wed, 15 Oct 2008 14:16:16 -0400 | ||
==Subject:== | ==Subject:== | ||
RE: Dose estimate for NRC inspection Thread-Topic: | RE: Dose estimate for NRC inspection Thread-Topic: Dose estimate for NRC inspection Thread-Index: Ackt9xASyQS6qiiEQc+Oasm121 UuPwA92MYQ Message-ID: <2856BC46F6A308418F033D973BBOEE72AA29FF9D41@R1CLSTRO1 .nrc.gov> | ||
Dose estimate for NRC inspection Thread-Index: | |||
Ackt9xASyQS6qiiEQc+Oasm121 UuPwA92MYQ Message-ID: | |||
<2856BC46F6A308418F033D973BBOEE72AA29FF9D41@R1CLSTRO1 .nrc.gov> | |||
==References:== | ==References:== | ||
<CEEAA8 F52C444947A9FA0 14B7341 D8A1 01 425228@CCCMSXCH06.energy. | <CEEAA8 F52C444947A9FA0 14B7341 D8A1 01 425228@CCCMSXCH06.energy. power.corp> | ||
power.corp> | |||
In-Reply-To: | In-Reply-To: | ||
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Latest revision as of 06:40, 14 November 2019
| ML091190089 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 10/15/2008 |
| From: | Richmond J Engineering Region 1 Branch 1 |
| To: | Chutima Taylor Exelon Corp |
| References | |
| FOIA/PA-2009-0070 | |
| Download: ML091190089 (3) | |
Text
John Richmond From: John Richmond, -
Sent: Wednesday, October 15, 2008 2:16 PM To: Calvin.Taylor@exeloncorp.com Cc: John. Murphy4@exeloncorp.com
Subject:
RE: Dose estimate for NRC inspection Our ISI inspectors think these estimates may be a little on the high side, but it's our best guess at this point.
Inside the Drywell 4 - 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> (1 inspector) for lower D/W shelf and trench UT & coating inspections 6 - 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> (total for 1 or 2 inspectors) for upper D/W shell UT inspections
??? hours (1 inspector) for electrical cable inspections, R2122597 Outside the D/W for access/egress to Sandbeds (not includinq time inside the sandbeds) 6 - 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> for 1 inspector 2 - 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for a second inspector There will be other inspection tasks inside the RCA, but don't think there are any more inside the D/W.
There will be time spent in the torus room, to check the sandbed drain bottles. Will probably check the bottles a couple of times.
If there is water found in a D/W trench, that could involve additional time in the D/W.
Let me know if you need any additional info.
John Richmond, NRC Team Lead From: Calvin.Taylor@exeloncorp.com [1]
Sent: Tuesday, October 14, 2008 8:19 AM To: John Richmond Cc: John.Murphy4@exeloncorp.com
Subject:
Dose estimate for NRC inspection John, do you have a guesstimate (obviously can't or won't hold you to it) of about how many hours your team will be spending in the drywell. John is our Radiological Engineering Manager and is preparing a dose budget for the outage.
- Thanks, Cal Calvin C. Taylor Sr. Licensing Engineer 609.971.4031 TEAIVIOyster Creek Exelon Nuclear Caring About the Environment is the Nature of Our Job
- This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is-privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. This e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, 1
>please notify the sender immediately and permanently delete the original and any copy of this e-mail and any 2
Received: from R1CLSTR01 .nrc.gov ([148.184.99.7]) by R1 MS01 .nrc.gov
([148.184.99.10]) with mapi; Wed, 15 Oct 2008 14:16:17 -0400 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: binary From: John Richmond <John.Richmond@nrc.gov>
To: "Calvin.Taylor@exeloncorp.com" <Calvin.Taylor@exeloncorp.com>
CC: "John.Murphy4@exeloncorp.com" <John.Murphy4@exeloncorp.com>
Date: Wed, 15 Oct 2008 14:16:16 -0400
Subject:
RE: Dose estimate for NRC inspection Thread-Topic: Dose estimate for NRC inspection Thread-Index: Ackt9xASyQS6qiiEQc+Oasm121 UuPwA92MYQ Message-ID: <2856BC46F6A308418F033D973BBOEE72AA29FF9D41@R1CLSTRO1 .nrc.gov>
References:
<CEEAA8 F52C444947A9FA0 14B7341 D8A1 01 425228@CCCMSXCH06.energy. power.corp>
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