ML101060327: Difference between revisions
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{{#Wiki_filter:KX, Status. Update Regarding the CrystalRiver | {{#Wiki_filter:KX, Status. Update Regarding the CrystalRiver Unit it3Steam Generator Replacement Outage Crystal River Unit 3 ("CR3") enteredi 'a pla nned unit outage obn Seitember*26e26, *29 aspartf the Steaim.Ge-ner*ato~rRReplcmno"G" jc for that unit. CR3 was: scheduled to return to service on Decembeir 19 2009. Duifrin 'thetouirse of the project, however, PEF disco~vere'd: | ||
* | *cracking in the section of the~containment: wall .that was opened for the SGR project. After. | ||
wall .that was opened for the SGR project. After.investigation, PEF discovered a' "dedam inatio n" of some of the in the section:of the containment wall near the SGR'opening. | investigation, PEF discovered a' "dedam inatio n" of some of the concret* in the section:of the containment wall near the SGR'opening. PEF informed the Nuclear Regulatory Commission | ||
PEF informed the Nuclear Regulatory Commission | ("NRC") of this. discovery and *beghna root cause evalu ation to *detetrmmin'e thel cau.seeof the de-Theco pany and its engineeringctractors are nearing.cornpletion of an. exhaustive*review of the.,root Icause of the de-raination" ii in the unit's exteior containment structure'.. The analysis tea idntiied ovr 7 difernt~otential,root cause failure modes for the de-lmnto n has narrowed this list to a handfulof remaining failure modes. Although the analysis-is not c6mplete;, th;.eremaining variables appear to point toward the interplay between several factors. | ||
("NRC") of this. discovery and root cause evalu ation to thel cau. | We expect to:.have this review comp eted by the end ofJianuary, 2010. | ||
The analysis tea idntiied ovr 7 difernt~otential, root cause failure modes for the de-lmnto n has narrowed this list to a handfulof remaining failure modes. Although the analysis-is not c6mplete;, th;. | The Company has a:lso:deveLoped,*aworkplan to complete the r 1pairstothe building.structure. | ||
We are mobilizing our effo rts ,to :b.egin therepairs, which we expect to commence once we have further insight from our root cause a~nalysis. | We are mobilizing our effo rts ,to:b.egin therepairs, which we expect to commence once we have further insight from our root cause a~nalysis. The NRC has-aldesignia'ted team ifexperts in. place to evalluatea:nd observe our enIt Iire.-approap t hsise.W aerqet etnswt h NRC trepresenta tives to updatethem on ourtwork processes and ire keeping them fully informed':(as to our plans. We.will provide the root:cause analysis to the NRC when it is, completedas:well as our plan- to repair the structure'. | ||
The NRC has-aldesignia'ted team | At present; wecdo'not havea firm return'to servicedate forICR3,.nor do we have finalized estimates'on rIhepair,`ad* replachemnt power costs, which will'be:in;large part a functionwof schedule. *nce-ourrepair plans have beeien finalized we Will pr6Ovide'thfose es'tim`atestto you, o1mptly. Based on w~hat we kno.watthis'tim'e, we do e~xpecf.that all repairs will becomplet ed | ||
At present; wecdo'not havea firm return'to servicedate forICR3,.nor do we have finalized estimates'on replachemnt power costs, which will'be:in;large part a functionwof schedule. | ;pr1 so that C1R3 willreturn to service by mid-year. | ||
plans have beeien finalized we Will pr6Ovide'thfose es'tim`atestto you, | Our currentO cus is on returning CR3,to service safely and.;quickly. Once CR3 returns to service, PEF plans.to ask the Florida Public Service Commission to opeh a docketed matter regardinglt his outage so that the Commission and all interested parties ýcan:reiviewall the relevant factS and informiation:.regarding the outagie,ý,the' root cause, andtthe ~epair process. | ||
Once CR3 returns to service, PEF plans.to ask the Florida Public Service Commission to opeh a docketed matter regardinglt his outage so that the Commission and all interested parties ýcan:reiviewall the relevant factS and informiation:.regarding the outagie,ý,the' root cause, | The Company isCconfidenit :that it will'be able to continue ito meet, peakload and reserve margin requirements througi company-ownedtpurchasesifgeneration and neededa'sit didd'uring | ||
:that it will'be able to continue ito meet, peakload and reserve margin requirements througi company- | |||
* ea~kýre~cords ear~liertthisý month.}} | * ea~kýre~cords ear~liertthisý month.}} | ||
Latest revision as of 20:48, 13 November 2019
| ML101060327 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 04/09/2010 |
| From: | - No Known Affiliation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2010-0116 | |
| Download: ML101060327 (1) | |
Text
KX, Status. Update Regarding the CrystalRiver Unit it3Steam Generator Replacement Outage Crystal River Unit 3 ("CR3") enteredi 'a pla nned unit outage obn Seitember*26e26, *29 aspartf the Steaim.Ge-ner*ato~rRReplcmno"G" jc for that unit. CR3 was: scheduled to return to service on Decembeir 19 2009. Duifrin 'thetouirse of the project, however, PEF disco~vere'd:
- cracking in the section of the~containment: wall .that was opened for the SGR project. After.
investigation, PEF discovered a' "dedam inatio n" of some of the concret* in the section:of the containment wall near the SGR'opening. PEF informed the Nuclear Regulatory Commission
("NRC") of this. discovery and *beghna root cause evalu ation to *detetrmmin'e thel cau.seeof the de-Theco pany and its engineeringctractors are nearing.cornpletion of an. exhaustive*review of the.,root Icause of the de-raination" ii in the unit's exteior containment structure'.. The analysis tea idntiied ovr 7 difernt~otential,root cause failure modes for the de-lmnto n has narrowed this list to a handfulof remaining failure modes. Although the analysis-is not c6mplete;, th;.eremaining variables appear to point toward the interplay between several factors.
We expect to:.have this review comp eted by the end ofJianuary, 2010.
The Company has a:lso:deveLoped,*aworkplan to complete the r 1pairstothe building.structure.
We are mobilizing our effo rts ,to:b.egin therepairs, which we expect to commence once we have further insight from our root cause a~nalysis. The NRC has-aldesignia'ted team ifexperts in. place to evalluatea:nd observe our enIt Iire.-approap t hsise.W aerqet etnswt h NRC trepresenta tives to updatethem on ourtwork processes and ire keeping them fully informed':(as to our plans. We.will provide the root:cause analysis to the NRC when it is, completedas:well as our plan- to repair the structure'.
At present; wecdo'not havea firm return'to servicedate forICR3,.nor do we have finalized estimates'on rIhepair,`ad* replachemnt power costs, which will'be:in;large part a functionwof schedule. *nce-ourrepair plans have beeien finalized we Will pr6Ovide'thfose es'tim`atestto you, o1mptly. Based on w~hat we kno.watthis'tim'e, we do e~xpecf.that all repairs will becomplet ed
- pr1 so that C1R3 willreturn to service by mid-year.
Our currentO cus is on returning CR3,to service safely and.;quickly. Once CR3 returns to service, PEF plans.to ask the Florida Public Service Commission to opeh a docketed matter regardinglt his outage so that the Commission and all interested parties ýcan:reiviewall the relevant factS and informiation:.regarding the outagie,ý,the' root cause, andtthe ~epair process.
The Company isCconfidenit :that it will'be able to continue ito meet, peakload and reserve margin requirements througi company-ownedtpurchasesifgeneration and neededa'sit didd'uring
- ea~kýre~cords ear~liertthisý month.