Oconee nuclear reactor, An analysis is continuing into the agent bonfire at the Oconee Nuclear Base that acquired a reactor abeyance Sunday and prompted the facility's aboriginal "alert" back 1991.
"Every hour that goes by we are accepting added information," said Scott Batson, Duke Energy's carnality admiral at the Oconee Nuclear Station, on Monday. "I would like to anticipate that we will activate to accept some basic advice about to the could cause of what ability accept transpired on that agent aural a anniversary to two weeks."
A bonfire and access involving the capital agent for the reactor accepted as Unit 1 occurred at 3:12 p.m. Sunday, according to abstracts acquaint Monday on the Nuclear Authoritative Commission's website.
The bonfire beatific a blubbery alias of atramentous smoke into the sky. It took about 30 account for 40 firefighters from the base and Oconee and Pickens counties to accompany the bonfire beneath control.
"At no time during the accident was there any absolution of radioactivity," Batson said during a media conference Monday. He aswell said that there was no assurance blackmail for advisers or association active abreast the station, which is 8 afar arctic of Seneca on Lake Keowee.
"Obviously we're aghast in the actuality that we had the bonfire and we had the accident to the transformer," he said.
Batson said the acknowledgment to the fire, including the shut down of Unit 1, "worked just as designed." He batten to the media at Duke Energy's World of Energy, which is next to the Oconee Nuclear Station.
"At this point in time we don't in fact accept an appraisal on abiding Oconee 1 to service," Batson said.
The added two reactors at the Oconee Nuclear Base are operating normally, Batson said. He said Duke Energy should accept no botheration affair the electrical appeal of its customers.
The agent that was damaged by Sunday's bonfire is acclimated to alteration electricity generated by Unit 1 to the station's switchyard, area it is again broadcast to the ability filigree that serves Upstate South Carolina.
Sunday's bonfire was initially classified as an "unusual event" but again upgraded to an "alert" -- the added atomic astringent of four categories acclimated to call incidents at nuclear ability plants. There accept been three above-mentioned alerts at the Oconee Nuclear Station, with the endure one accident 25 years ago.
Batson said the "alert" was declared afterwards a cable absorbed to the agent fell into the station's switchyard, which led to the activation of careful relays that shut down allotment of the switchyard's electrical administration system.
Sunday's active lasted from 4:58 p.m. to 8:16 p.m., according to a Duke Energy spokeswoman.
According to abstracts acquaint Monday on the NRC website, the bonfire "damaged an aerial ability band that food emergency ability to all three units at Oconee."
Sunday's bonfire involving the oil-filled agent came 10 canicule afterwards the federal bureau notified Batson about apropos accompanying to a "potential abridgement of adequacy" in his stations's "maintenance diplomacy to ascertain abundant abasement of cables and their access acclimated on Oconee ample oil abounding anchored transformers."
The Feb. 25 letter from the Nuclear Authoritative Commission to Batson came afterwards a appropriate analysis at the Oconee Nuclear Base in January. That analysis was ordered afterwards problems involving agent cables on Unit 1 and Unit 3 at the base were apparent during accepted inspections in December.
Inspectors bent in January that the station's antitoxin aliment and testing of the agent cables "lacked the all-important rigor," according to the letter beatific to Batson.
As a result, the affair has been classified as an "unresolved item," according to Roger Hannah, chief accessible diplomacy administrator for the NRC's Region II appointment in Atlanta.
"That account will abide accessible until we accept added advice from Duke Energy and actuate what, if any, NRC authoritative requirements may accept been violated, and whether or not added inspections or administration accomplishments will be required," Hannah wrote in an email Monday.
Hannah said his bureau has not yet bent whether Sunday's bonfire will advance to aftereffect inspections or added action.
At Monday's briefing, Batson said that the cables that federal admiral are searching at "were on altered transformers" than the one that austere Sunday.
"At this point in time there is no tie amid the cable that was damaged as a aftereffect of the bonfire and the analysis that was conducted previously," he said.
Batson said transformers at the base are monitored daily. He aswell said the transformers are thoroughly inspected if reactors are shut down for refueling.
The station's Unit 1 reactor was endure shut down for refueling in November 2014, a Duke Energy agent said.
"Every hour that goes by we are accepting added information," said Scott Batson, Duke Energy's carnality admiral at the Oconee Nuclear Station, on Monday. "I would like to anticipate that we will activate to accept some basic advice about to the could cause of what ability accept transpired on that agent aural a anniversary to two weeks."
A bonfire and access involving the capital agent for the reactor accepted as Unit 1 occurred at 3:12 p.m. Sunday, according to abstracts acquaint Monday on the Nuclear Authoritative Commission's website.
The bonfire beatific a blubbery alias of atramentous smoke into the sky. It took about 30 account for 40 firefighters from the base and Oconee and Pickens counties to accompany the bonfire beneath control.
"At no time during the accident was there any absolution of radioactivity," Batson said during a media conference Monday. He aswell said that there was no assurance blackmail for advisers or association active abreast the station, which is 8 afar arctic of Seneca on Lake Keowee.
"Obviously we're aghast in the actuality that we had the bonfire and we had the accident to the transformer," he said.
Batson said the acknowledgment to the fire, including the shut down of Unit 1, "worked just as designed." He batten to the media at Duke Energy's World of Energy, which is next to the Oconee Nuclear Station.
"At this point in time we don't in fact accept an appraisal on abiding Oconee 1 to service," Batson said.
The added two reactors at the Oconee Nuclear Base are operating normally, Batson said. He said Duke Energy should accept no botheration affair the electrical appeal of its customers.
The agent that was damaged by Sunday's bonfire is acclimated to alteration electricity generated by Unit 1 to the station's switchyard, area it is again broadcast to the ability filigree that serves Upstate South Carolina.
Sunday's bonfire was initially classified as an "unusual event" but again upgraded to an "alert" -- the added atomic astringent of four categories acclimated to call incidents at nuclear ability plants. There accept been three above-mentioned alerts at the Oconee Nuclear Station, with the endure one accident 25 years ago.
Batson said the "alert" was declared afterwards a cable absorbed to the agent fell into the station's switchyard, which led to the activation of careful relays that shut down allotment of the switchyard's electrical administration system.
Sunday's active lasted from 4:58 p.m. to 8:16 p.m., according to a Duke Energy spokeswoman.
According to abstracts acquaint Monday on the NRC website, the bonfire "damaged an aerial ability band that food emergency ability to all three units at Oconee."
Sunday's bonfire involving the oil-filled agent came 10 canicule afterwards the federal bureau notified Batson about apropos accompanying to a "potential abridgement of adequacy" in his stations's "maintenance diplomacy to ascertain abundant abasement of cables and their access acclimated on Oconee ample oil abounding anchored transformers."
The Feb. 25 letter from the Nuclear Authoritative Commission to Batson came afterwards a appropriate analysis at the Oconee Nuclear Base in January. That analysis was ordered afterwards problems involving agent cables on Unit 1 and Unit 3 at the base were apparent during accepted inspections in December.
Inspectors bent in January that the station's antitoxin aliment and testing of the agent cables "lacked the all-important rigor," according to the letter beatific to Batson.
As a result, the affair has been classified as an "unresolved item," according to Roger Hannah, chief accessible diplomacy administrator for the NRC's Region II appointment in Atlanta.
"That account will abide accessible until we accept added advice from Duke Energy and actuate what, if any, NRC authoritative requirements may accept been violated, and whether or not added inspections or administration accomplishments will be required," Hannah wrote in an email Monday.
Hannah said his bureau has not yet bent whether Sunday's bonfire will advance to aftereffect inspections or added action.
At Monday's briefing, Batson said that the cables that federal admiral are searching at "were on altered transformers" than the one that austere Sunday.
"At this point in time there is no tie amid the cable that was damaged as a aftereffect of the bonfire and the analysis that was conducted previously," he said.
Batson said transformers at the base are monitored daily. He aswell said the transformers are thoroughly inspected if reactors are shut down for refueling.
The station's Unit 1 reactor was endure shut down for refueling in November 2014, a Duke Energy agent said.
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