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For members: Construction planned for SNS power upgrade

Posted at 12:21 pm July 19, 2019
By John Huotari Leave a Comment

The Spallation Neutron Source at Oak Ridge National Laboratory reached its operational power design level by running a neutron production cycle at 1.4 megawatts, the lab said Tuesday, Nov. 27, 2018. (Photo courtesy ORNL)

Construction is planned in December for a project to upgrade proton power at the Spallation Neutron Source at Oak Ridge National Laboratory.

The construction could last about one year, and it will be limited to the buildout of what is known as the klystron gallery, ORNL said in June. The klystron gallery houses the radio-frequency systems that power the structures used to accelerate a negatively-charged hydrogen ion beam in the linear accelerator at SNS.

SNS generates neutrons for scientific research by propelling protons down a linear accelerator. When the protons collide with a liquid mercury target, they create a “spall” of neutrons that are sent down beam lines surrounded by research instruments.

The proton power upgrade will eventually double the power of the SNS proton beam from 1.4 megawatts to 2.8 megawatts. The current total estimated project cost is $245 million.

The rest of this story, which you will find only on Oak Ridge Today, is available if you are a member: a subscriber, advertiser, or recent contributor to Oak Ridge Today. Already a member? Great! Thank you! Sign in here. Not a member? No problem! Subscribe here: Basic

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If you prefer to send a check, you may do so by mailing one to: Oak Ridge Today P.O. Box 6064 Oak Ridge, TN 37831 Note: Most news stories on Oak Ridge Today are free, brought to you by Oak Ridge Today with help from our advertisers, sponsors, and subscribers. Some are considered premium content. This story is premium content. Premium content can include in-depth, investigative, and exclusive stories.

For members: Man sentenced to 8 months after fight with officers

Posted at 9:58 pm July 18, 2019
By John Huotari Leave a Comment

A man who fought with Oak Ridge police officers, injuring five of them, pleaded guilty last week to five counts of aggravated assault on an officer, and he was sentenced to serve eight months in the Anderson County jail, according to court records.

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For members: After leak, hydrogen fluoride operations resume at Y-12

Posted at 11:19 am July 16, 2019
By John Huotari Leave a Comment

A low-level aerial shot of Building 9212 at the Y-12 National Security Complex.

After a leak in April, hydrogen fluoride operations have resumed at the Y-12 National Security Complex.

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For members: Man sentenced to 8 years in death of son in crash

Posted at 12:27 pm July 2, 2019
By John Huotari Leave a Comment

An Anderson County man was sentenced to eight years in prison when he pleaded guilty Friday, June 28, 2019, to vehicular homicide by intoxication after a crash in Oak Ridge that killed his three-year-old son on January 13, 2017. The defendant, Jason Robert Braden II, is pictured above at center in Anderson County Criminal Court on Friday, March 29, 2019. At left is defense attorney David Stuart, who represented Braden. (Photo by John Huotari/Oak Ridge Today)

An Anderson County man was sentenced to eight years in prison on Friday when he pleaded guilty to vehicular homicide by intoxication after a crash in Oak Ridge that killed his three-year-old son in January 2017.

The man told police that he had injected roxycodone about six to eight hours before the crash and was driving to Methodist Medical Center of Oak Ridge with a man who had overdosed at the time of the two-vehicle collision at Emory Valley Road and Lafayette Drive, according to court documents.

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For members: Woman pleads guilty to homicide in death of son

Posted at 3:09 pm June 27, 2019
By John Huotari Leave a Comment

Ashley Marie Ann Braden

CLINTON—A Clinton woman pleaded guilty Thursday to a homicide charge in the death of her three-year-old son in a two-vehicle crash in Oak Ridge in January 2017.

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For members: Company ordered to pay $500,000 fine after improperly shipping radioactive materials

Posted at 11:15 pm May 31, 2019
By John Huotari Leave a Comment

KNOXVILLE—An Oak Ridge company has been ordered to pay a $500,000 federal fine about two years after pleading guilty to criminal charges related to the improper shipping of radioactive materials in devices used in the oil and gas “fracking” industry.

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For members: Man charged with attempted murder of deputy has two homicide convictions

Posted at 11:15 am May 30, 2019
By John Huotari Leave a Comment

Charles Edward Mason

CLINTON—The Anderson County man charged with attempted murder after allegedly pointing a gun at a deputy and pulling the trigger twice in April has previously pleaded guilty to homicides in Kentucky and Tennessee.

The first homicide conviction was in Knox County, Kentucky, in 1994. The second was in Anderson County, Tennessee, in 2010. The defendant, Charles Edward Mason, now 51, received a nine-year sentence in the first case and a seven-year sentence in the second. He had been accused of shooting a man with a pistol in the first case, the one in Kentucky, according to Knox County court records. He reportedly stabbed a man in the Anderson County case 15 years later.

When he was charged with attempted murder in Anderson County this year, Mason was on probation in a different case involving drug and driver’s license violations. He had pleaded guilty in January to possessing more than 0.5 grams of methamphetamine for resale and driving on a revoked or suspended license. He had received a 10-year sentence, and he had agreed to be declared a habitual motor vehicle offender as well, according to Anderson County court records.

Now, he is facing 24 new charges in Anderson County, including two counts of attempted first-degree murder, eight counts of aggravated assault, three counts of aggravated kidnapping, and three drug charges, among other counts.

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For members: Man sentenced to 10 years in shooting death of girlfriend’s mother

Posted at 11:14 am May 18, 2019
By John Huotari Leave a Comment

William James McMillan

An Andersonville man was sentenced to 10 years in prison on Monday when he pleaded guilty to voluntary manslaughter in the shooting death of his girlfriend’s mother four years ago.

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For members: With no increase, AC schools budget could have $1.4 million in cuts

Posted at 1:07 pm May 17, 2019
By John Huotari Leave a Comment

Without a tax rate increase or other new revenues, the Anderson County Schools budget could include more than $1.4 million in cuts, compared to last year, school officials said during an Anderson County Board of Education meeting on Thursday, May 16, 2019. (Photo by John Huotari/Oak Ridge Today)

CLINTON—Without a tax rate increase or other new revenues, the Anderson County Schools budget could include more than $1.4 million in cuts, compared to last year, school officials said Thursday.

The cuts could include reductions in elementary school, middle school, and high school positions, and Central Office, technology, custodial, and maintenance staff; cuts to materials and supplies, and band equipment at the high schools; not finishing the gymnasium at Grand Oaks Elementary School; cutting a full-time nurse, high school coaching supplements, and a school resource officer vehicle; and reductions to transportation safety, special education assistants, and City of Rocky Top field maintenance, among a long list of potential cuts.

The rest of this story is available if you are a member: a subscriber, advertiser, or recent contributor to Oak Ridge Today. Already a member? Great! Thank you! Sign in here. Not a member? No problem! Subscribe here: Basic

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For members: Drug case involved thousands of pills, overseas apprehension, possible deportation

Posted at 4:34 pm May 4, 2019
By John Huotari Leave a Comment

CLINTON—A drug case that started with an online search for Xanax ended with a police search that found more than 10,000 pills in an Anderson County home, an overseas apprehension, three plea deals, and a possible deportation.

The third and final plea deal was entered during a hearing in Anderson County Criminal Court in Clinton late Friday morning. The defendant, who had been brought to the United States after being detained at an airport in Dubai in July, wants to be deported, his attorney said.

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For members: Likely cause of Y-12 gas leak has been identified

Posted at 1:06 pm May 4, 2019
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An inspection has determined the likely cause of the hydrogen fluoride gas leak in the main processing building at the Y-12 National Security Complex in April.

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For members: Driver in fatal crash receives 12-year sentence

Posted at 8:32 pm April 18, 2019
By John Huotari Leave a Comment

The driver in a fatal two-vehicle crash on Clinton Highway in April 2016 has pleaded guilty to vehicular homicide by intoxication and reckless endangerment with a deadly weapon, and he received a 12-year sentence.

The defendant served more than the statutory minimum of 45 days before his plea agreement—he served about one year and one month in the Anderson County jail—and the rest of his 12-year sentence was suspended, to be served on intensive probation, among other conditions, according to Anderson County court records.

The crash three years ago killed a 23-year-old Heiskell woman.

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« Previous Page

For members: Construction planned for SNS power upgrade

For members: Man sentenced to 8 months after fight with officers

For members: After leak, hydrogen fluoride operations resume at Y-12

For members: Man sentenced to 8 years in death of son in crash

For members: Woman pleads guilty to homicide in death of son

For members: Company ordered to pay $500,000 fine after improperly shipping radioactive materials

For members: Man charged with attempted murder of deputy has two homicide convictions

For members: Man sentenced to 10 years in shooting death of girlfriend’s mother

For members: With no increase, AC schools budget could have $1.4 million in cuts

For members: Drug case involved thousands of pills, overseas apprehension, possible deportation

For members: Likely cause of Y-12 gas leak has been identified

For members: Driver in fatal crash receives 12-year sentence

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