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120 discussions

URGENT Incore Question
by Michael_Fanguy＠dom.com 25 Apr '06

25 Apr '06

Surry is looking for some urgent incore help. Please respond to Natalie and/or me. Michael J. Fanguy Nuclear Analysis & Fuel Lead Reactor Engineer Surry Power Station Email: Michael_Fanguy(a)Dom.com Phone: 757-365-2155 Pager #: 3453 ----- Forwarded by Michael Fanguy/NUC/VANCPOWER on 04/25/2006 01:57 PM ----- Natalie A Yonker/NUC/VANCPO WER To Michael 04/25/2006 01:57 Fanguy/NUC/VANCPOWER@VANCPOWER PM cc Subject URGENT Incore Question! These questions are for anyone with a Moveable Incore Detector System. Surry is currently in a Refueling Outage and is looking for anyone who has any experience or history with finding RCS water in their 10-path boxes. During one of the last monthly flux maps before our outage, we briefly received the leak detection alarm while scanning all 5 detectors into the core. During troubleshooting this alarm was received again while inserting just the 'D' detector into the same thimble as before. On subsequent maps 'D' detector has been getting stuck while scanning (and only a couple cases while inserting). Manually the detector can be withdrawn and re-scanned, but it would continue to get stuck in various, and eventually all of its 10-Path thimbles. 'C' detector also became stuck while in Emergency in a couple of 'D' thimbles, as well as a couple of its own 10-Path thimbles. We have discovered a small amount of water near the drain hole of the 'D' 10-path box, but cannot determine which thimble it originated from based on visual inspection. 'D' detector has NOT had any trouble in Calibrate. Does anyone have any experience or contacts that may be able to advise us of possibilities associated with this issue? I believe that we have a minor leak from a thimble on the 'D' drive, most likely the one that the leak alarms came in on. Even if we identify the source of the leak, will we be able to insert our 'D' and 'C' detectors to the top of the core in the other thimbles that it got stuck in after the outage. Surry has no experience with a leak, or finding water in 10-Path boxes. Thanks. Please contact Natalie Yonker, Reactor Engineer at (757) 365-2551 or Natalie_A_Yonker(a)dom.com ----------------------------------------- CONFIDENTIALITY NOTICE: This electronic message contains information which may be legally confidential and/or privileged and does not in any case represent a firm ENERGY COMMODITY bid or offer relating thereto which binds the sender without an additional express written confirmation to that effect. The information is intended solely for the individual or entity named above and access by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution, or use of the contents of this information is prohibited and may be unlawful. If you have received this electronic transmission in error, please reply immediately to the sender that you have received the message in error, and delete it. Thank you.

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RE: [Respvr] URGENT Incore Question
by Delk, Whiting S. 25 Apr '06

25 Apr '06

No experience at WBN as descibed. -----Original Message----- From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of Michael_Fanguy(a)dom.com Sent: Tuesday, April 25, 2006 2:00 PM To: respvr(a)keffective.com; pwrrm(a)keffective.com Subject: [Respvr] URGENT Incore Question Importance: High Surry is looking for some urgent incore help. Please respond to Natalie and/or me. Michael J. Fanguy Nuclear Analysis & Fuel Lead Reactor Engineer Surry Power Station Email: Michael_Fanguy(a)Dom.com Phone: 757-365-2155 Pager #: 3453 ----- Forwarded by Michael Fanguy/NUC/VANCPOWER on 04/25/2006 01:57 PM ----- Natalie A Yonker/NUC/VANCPO WER To Michael 04/25/2006 01:57 Fanguy/NUC/VANCPOWER@VANCPOWER PM cc Subject URGENT Incore Question! These questions are for anyone with a Moveable Incore Detector System. Surry is currently in a Refueling Outage and is looking for anyone who has any experience or history with finding RCS water in their 10-path boxes. During one of the last monthly flux maps before our outage, we briefly received the leak detection alarm while scanning all 5 detectors into the core. During troubleshooting this alarm was received again while inserting just the 'D' detector into the same thimble as before. On subsequent maps 'D' detector has been getting stuck while scanning (and only a couple cases while inserting). Manually the detector can be withdrawn and re-scanned, but it would continue to get stuck in various, and eventually all of its 10-Path thimbles. 'C' detector also became stuck while in Emergency in a couple of 'D' thimbles, as well as a couple of its own 10-Path thimbles. We have discovered a small amount of water near the drain hole of the 'D' 10-path box, but cannot determine which thimble it originated from based on visual inspection. 'D' detector has NOT had any trouble in Calibrate. Does anyone have any experience or contacts that may be able to advise us of possibilities associated with this issue? I believe that we have a minor leak from a thimble on the 'D' drive, most likely the one that the leak alarms came in on. Even if we identify the source of the leak, will we be able to insert our 'D' and 'C' detectors to the top of the core in the other thimbles that it got stuck in after the outage. Surry has no experience with a leak, or finding water in 10-Path boxes. Thanks. Please contact Natalie Yonker, Reactor Engineer at (757) 365-2551 or Natalie_A_Yonker(a)dom.com ----------------------------------------- CONFIDENTIALITY NOTICE: This electronic message contains information which may be legally confidential and/or privileged and does not in any case represent a firm ENERGY COMMODITY bid or offer relating thereto which binds the sender without an additional express written confirmation to that effect. The information is intended solely for the individual or entity named above and access by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution, or use of the contents of this information is prohibited and may be unlawful. If you have received this electronic transmission in error, please reply immediately to the sender that you have received the message in error, and delete it. Thank you. _______________________________________________ Respvr mailing list Respvr(a)retaqs.com http://www.keffective.com/mailman/listinfo/respvr

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RE: [Respvr] FHS SRO Responsibilities
by HERWIG, WILLIAM 06 Apr '06

06 Apr '06

VC Summer Tech Specs only require an SRO for 'Core Alterations', but procedures require an SRO in the FHB when fuel or components are being handled. ________________________________ From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of Delk, Whiting S. Sent: Wednesday, April 05, 2006 4:28 PM To: respvr(a)retaqs.com Subject: [Respvr] FHS SRO Responsibilities Subject: FHS SRO Responsibilities Question for all PWR plants: It should be standard that a (Fuel Handling Supervisor) FHS/SRO is incharge and oversees all nuclear fuel movements in the Spent Fuel Pool (SFP). Two questions: 1. Do you require your FHS/SRO to oversee "Insert Shuffels" in the SFP during the outage? Yes 2. Do you require your FHS/SRO to oversee all movements of equipment in the SFP, such as: * Debris/Trash baskets NO * TOP Nozzel Baskets NO * Dummy assemblies YES * WABAs YES * BPRAs YES * RCCAs YES * Olds Fission Chambers NO * Old filters from a vacuum / Tri-Nuk NO * Casks for fuel shipments YES (for loading the cask) * Casks for other shipments NO * Hicks for radWaste Shipments NO * Others YES or NO Whiting S. Delk wsdelk(a)tva.gov 423-365-8215 RXE WATTS BAR Station

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RE: [Respvr] FHS SRO Responsibilities
by POHL, MATTHEW H 06 Apr '06

06 Apr '06

Morning Whiting, We only require FHS/SRO for "Refueling Operations" (e.g. fuel moves within the vessel, see our Tech Spec definition below) and for heavy loads (e.g. Head Removal) over the reactor vessel if it contains fuel. "Refueling Operation Any operation involving the shuffling, removal, or replacement of irradiated fuel outside of the reactor pressure vessel. The suspension of any REFUELING OPERATION shall not preclude completion of movement of a component to a safe, conservative position." We will be moving fuel out of the Spent Fuel Pool into Casks in a few weeks and I have the Shift Manager authorizing the activity and independently verifying some Tech Specs requirements but there is no requirement for a FHS/SRO. Thanks, Matt Pohl (402)533-6820 ________________________________ From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of Delk, Whiting S. Sent: Wednesday, April 05, 2006 3:28 PM To: respvr(a)retaqs.com Subject: [Respvr] FHS SRO Responsibilities Subject: FHS SRO Responsibilities Question for all PWR plants: It should be standard that a (Fuel Handling Supervisor) FHS/SRO is incharge and oversees all nuclear fuel movements in the Spent Fuel Pool (SFP). Two questions: 1. Do you require your FHS/SRO to oversee "Insert Shuffels" in the SFP during the outage? 2. Do you require your FHS/SRO to oversee all movements of equipment in the SFP, such as: * Debris/Trash baskets YES or NO * TOP Nozzel Baskets YES or NO * Dummy assemblies YES or NO * WABAs YES or NO * BPRAs YES or NO * RCCAs YES or NO * Olds Fission Chambers YES or NO * Old filters from a vacuum / Tri-Nuk YES or NO * Casks for fuel shipments YES or NO * Casks for other shipments YES or NO * Hicks for radWaste Shipments YES or NO * Others YES or NO Whiting S. Delk wsdelk(a)tva.gov 423-365-8215 RXE WATTS BAR Station This e-mail contains Omaha Public Power District's confidential and proprietary information and is for use only by the intended recipient. Unless explicitly stated otherwise, this e-mail is not a contract offer, amendment, nor acceptance. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.

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FHS SRO Responsibilities
by Delk, Whiting S. 06 Apr '06

06 Apr '06

Subject: FHS SRO Responsibilities Question for all PWR plants: It should be standard that a (Fuel Handling Supervisor) FHS/SRO is incharge and oversees all nuclear fuel movements in the Spent Fuel Pool (SFP). Two questions: 1. Do you require your FHS/SRO to oversee "Insert Shuffels" in the SFP during the outage? 2. Do you require your FHS/SRO to oversee all movements of equipment in the SFP, such as: * Debris/Trash baskets YES or NO * TOP Nozzel Baskets YES or NO * Dummy assemblies YES or NO * WABAs YES or NO * BPRAs YES or NO * RCCAs YES or NO * Olds Fission Chambers YES or NO * Old filters from a vacuum / Tri-Nuk YES or NO * Casks for fuel shipments YES or NO * Casks for other shipments YES or NO * Hicks for radWaste Shipments YES or NO * Others YES or NO Whiting S. Delk wsdelk(a)tva.gov 423-365-8215 RXE WATTS BAR Station

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RE: [Respvr] FHS SRO Responsibilities
by Berles, Brad W. 06 Apr '06

06 Apr '06

Palisades does not require an SRO for fuel handling activities in the SFP, only the Reactor side. ________________________________ From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of Delk, Whiting S. Sent: Wednesday, April 05, 2006 4:28 PM To: respvr(a)retaqs.com Subject: [Respvr] FHS SRO Responsibilities Subject: FHS SRO Responsibilities Question for all PWR plants: It should be standard that a (Fuel Handling Supervisor) FHS/SRO is incharge and oversees all nuclear fuel movements in the Spent Fuel Pool (SFP). Two questions: 1. Do you require your FHS/SRO to oversee "Insert Shuffels" in the SFP during the outage? 2. Do you require your FHS/SRO to oversee all movements of equipment in the SFP, such as: * Debris/Trash baskets YES or NO * TOP Nozzel Baskets YES or NO * Dummy assemblies YES or NO * WABAs YES or NO * BPRAs YES or NO * RCCAs YES or NO * Olds Fission Chambers YES or NO * Old filters from a vacuum / Tri-Nuk YES or NO * Casks for fuel shipments YES or NO * Casks for other shipments YES or NO * Hicks for radWaste Shipments YES or NO * Others YES or NO Whiting S. Delk wsdelk(a)tva.gov 423-365-8215 RXE WATTS BAR Station

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RE: [Respvr] Iodine/Cesium Mismatch Question
by POHL, MATTHEW H 02 Mar '06

02 Mar '06

Clint, Steve Gebers is our Corporate Health Physicist and he is our resident expert on failed fuel questions (from our unfortunate experience with previous years of failed fuel). You can contact him at 402-533-7308. Thanks, Matt Pohl (402)533-6820 -----Original Message----- From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of ALDAY, CLINT L Sent: Monday, February 06, 2006 8:19 PM To: 'RE Supervisors' Subject: [Respvr] Iodine/Cesium Mismatch Question Has anyone seen an increase in RCS iodine activity in the RCS without a concurrent cesium indication? Xe-133/135 also increased. This occurred at steady state, full power conditions - no opportunity for washout from an existing failed rod. We are puzzled by the lack of cesium as all our models indicate that it should be present when the iodine increase occurred. Clint Alday Reactor Engineering Waterford 3 calday(a)entergy.com _______________________________________________ Respvr mailing list Respvr(a)retaqs.com http://www.keffective.com/mailman/listinfo/respvr This e-mail contains Omaha Public Power District's confidential and proprietary information and is for use only by the intended recipient. Unless explicitly stated otherwise, this e-mail is not a contract offer, amendment, nor acceptance. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.

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Mark Laris/FirstEnergy is out of the office.
by mlaris＠firstenergycorp.com 20 Feb '06

20 Feb '06

I will be out of the office starting 02/14/2006 and will not return until 02/20/2006. I will be attending a BWR Owners Group Reactivity Controls Review Committee meeting. In my absence, Pat Curran will be acting for me. Pat can be reached at Perry extension 5974. ----------------------------------------- The information contained in this message is intended only for the personal and confidential use of the recipient(s) named above. If the reader of this message is not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this document in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify us immediately, and delete the original message.

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RE: [Respvr] Manual Trip going into Refueling Outage
by ALDAY, CLINT L 19 Feb '06

19 Feb '06

We normally manually trip the reactor between 15 and 20%, will likely be lower since we uprated by more than 8% this cycle. When we shutdown for Hurricane Katrina, we tripped the reactor and turbine at about 10%. Clint Alday -----Original Message----- From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of POHL, MATTHEW H Sent: Thursday, February 02, 2006 8:42 AM To: respvr(a)keffective.com Subject: [Respvr] Manual Trip going into Refueling Outage Fort Calhoun is considering performing a manual reactor trip at 20% power (Turbine Trip is actually at 15%) when coming down for our fall outage... This would save us approximately 2 to 4 hours of critical path. If you currently perform (or can perform) this type of technique or have/had experience with this, please provide me a point of contact or any related information or opinions. Thank you in advance, Matt Pohl Principal Reactor Engineer - Operations Fort Calhoun Nuclear Station (402)533-6820 (work) (402)561-3864 (pager) This e-mail contains Omaha Public Power District's confidential and proprietary information and is for use only by the intended recipient. Unless explicitly stated otherwise, this e-mail is not a contract offer, amendment, nor acceptance. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.

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RE: [Respvr] Iodine/Cesium Mismatch Question
by ronald.niederer＠exeloncorp.com 10 Feb '06

10 Feb '06

Clint, Something related that we saw was a "contamination" of the I-131 due to Mo-99 having a similar energy gamma. In our case, only the I-131 went up, somewhat erratically, and the other iodine isotopes behaved more normally. Although Westinghouse questioned the validity of our measurements, they did not suggest the root of the problem being Mo-99. The way to check for this issue is to perform a recount in ~2 weeks after the sample was pulled. Most of the MO-99 should be gone but a large percent of the I-131 is still left. I'll check back on our cesium to see if it behaved normally but I thought I'd get this other "oddity" out there. Ron Niederer Byron 815-406-3443 -----Original Message----- From: respvr-bounces(a)retaqs.com [mailto:respvr-bounces@retaqs.com] Sent: Monday, February 06, 2006 8:19 PM To: 'RE Supervisors' Subject: [Respvr] Iodine/Cesium Mismatch Question Has anyone seen an increase in RCS iodine activity in the RCS without a concurrent cesium indication? Xe-133/135 also increased. This occurred at steady state, full power conditions - no opportunity for washout from an existing failed rod. We are puzzled by the lack of cesium as all our models indicate that it should be present when the iodine increase occurred. Clint Alday Reactor Engineering Waterford 3 calday(a)entergy.com _______________________________________________ Respvr mailing list Respvr(a)retaqs.com http://www.keffective.com/mailman/listinfo/respvr ************************************************************************ 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, please notify the sender immediately and permanently delete the original and any copy of this e-mail and any printout. Thank You. ************************************************************************

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