Watts Bar Lock in Decatur, Tenn., is shown drained,
Watts Bar Lock in Decatur, Tenn., is shown drained, Oct. 20, so maintenance crews can inspect and repair the lock.
A maintenance crew works from the U.S. Army Corps
A maintenance crew works from the U.S. Army Corps of Engineers Nashville District work at Watts Bar Lock in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance c... More
An aerial view of the dewatered Barkley Lock Aug. 12.
An aerial view of the dewatered Barkley Lock Aug. 12.
Billie Boyd, lockmaster at U.S. Army Corps of Engineers
Billie Boyd, lockmaster at U.S. Army Corps of Engineers Nashville District's Cheatham Lock, explains the function of the upper land wall machinery house to a USACE videographer Nov. 13, 2012. The lock was close... More
Jeff Neely, a diver with the U.S. Army Corps of Engineers
Jeff Neely, a diver with the U.S. Army Corps of Engineers Nashville District Dive Team, prepares to conduct an underwater inspection of a lock at the Pickwick Landing Dam in Counce, Tenn., March 5, 2013. (U.S.... More
Anthony Certeza, a lock and dam equipment mechanic
Anthony Certeza, a lock and dam equipment mechanic assigned to the Cumberland River Operations Center in the U.S. Army Corps of Engineers Nashville District, inspects the lower gate July 27, 2015, at Old Hickor... More
Mechanics at the Lake Barkley Lock in Grand River,
Mechanics at the Lake Barkley Lock in Grand River, Ky., work to replace and insert a large pin and bushing inside a valve machinery in the valve chamber during a dewatering for repairs and maintenance. Mainte... More
A group of U.S. Army Corps of Engineers, Nashville
A group of U.S. Army Corps of Engineers, Nashville District, Operations Division personnel put on their personal protection equipment before beginning a fall and rescue protection training at Cheatham powerplan... More
Lock and Dam Mechanics Alan Bailey (Right) and Ty Melton
Lock and Dam Mechanics Alan Bailey (Right) and Ty Melton get into position to inspect and repair the downstream miter gate July 20, 2016 at Chickamauga Lock on the Tennessee River in Chattanooga, Tenn. Bailey ... More
Keith Holley, Watts Bar Lock facility manager, is seen
Keith Holley, Watts Bar Lock facility manager, is seen here at the lock on the Tennessee River in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance crews are in... More
A Cumberland River Operations Center work crew removes
A Cumberland River Operations Center work crew removes one of two valve A-frames that is deteriorated and being removed from a valve stem at Watts Bar Lock in Decatur, Tenn., Oct. 20.
(Left to right) Chris Clabough, lock operator and equipment
(Left to right) Chris Clabough, lock operator and equipment mechanic, and Ralph Rhodes, lock operator trainee, U.S. Army Corps of Engineers Nashville District, place a water pump as crews remove water on Aug 1... More
Billie Boyd, lockmaster at U.S. Army Corps of Engineers
Billie Boyd, lockmaster at U.S. Army Corps of Engineers Nashville District's Cheatham Lock, stands Nov. 13, 2012 by the new upper land wall valve to be installed after the lock reopens. The old upper river wall... More
Jeff Neely, a diver with the U.S. Army Corps of Engineers
Jeff Neely, a diver with the U.S. Army Corps of Engineers Nashville District Dive Team, prepares to conduct an underwater inspection of a lock at the Pickwick Landing Dam in Counce, Tenn., March 5, 2013. (U.S.... More
Kentucky Lock at Tennessee River Mile 22.4 in Grand
Kentucky Lock at Tennessee River Mile 22.4 in Grand Rivers, Ky., shown here Aug. 14, 2013, with the 110-by-600-foot chamber dewatered. It is closed for scheduled maintenance repairs until noon Sept. 24, 2013. ... More
Gary Fleeman (right) and Ty Melton, lock and dam equipment
Gary Fleeman (right) and Ty Melton, lock and dam equipment mechanics assigned to the U.S. Army Corps of Engineers Nashville District, inspect the lower gate July 27, 2015, at Old Hickory Lock in Old Hickory, Te... More
Charlie Thomason, civil engineer in the Nashville District
Charlie Thomason, civil engineer in the Nashville District Structural Section from the U.S. Army Corps of Engineers Nashville District, is lowered into a valve chamber during routine repair and maintenance at t... More
Josh Kinser, a mechanic at the Lake Barkley power plant,
Josh Kinser, a mechanic at the Lake Barkley power plant, simulates rescuing Ramiro Santoyo, an electrician at the Cheatham power plant, during a fall and rescue protection training class at the Cheatham Dam and... More
Lock and Dam Mechanics Alan Bailey (Right) and Ty Melton
Lock and Dam Mechanics Alan Bailey (Right) and Ty Melton weld the miter gate fenders July 20, 2016 at Chickamauga Lock on the Tennessee River in Chattanooga, Tenn. Bailey is from the Cumberland River Operation... More
Watts Bar Lock on the Tennessee River in Decatur, Tenn.,
Watts Bar Lock on the Tennessee River in Decatur, Tenn., is seen dewatered here, Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance crews are inspecting and making necessary repairs.
U.S. Army Corps of Engineers Nashville District work
U.S. Army Corps of Engineers Nashville District work crews from the Cumberland River Operations Center dewater the Barkley Lock to perform scheduled inspection and major maintenance repairs Aug. 12.
Cayce Tiesler, project specialist at U.S. Army Corps
Cayce Tiesler, project specialist at U.S. Army Corps of Engineers Nashville District's Cheatham Power Plant, walks through the machinery house on the spillways Nov. 13, 2012. All electrical wiring and the outer... More
Gary Fleemen, left, a tender with the U.S. Army Corps
Gary Fleemen, left, a tender with the U.S. Army Corps of Engineers Nashville District Dive Team, stands by as diver Jeff Neely prepares to conduct an underwater inspection of a lock at the Pickwick Landing Dam ... More
Kentucky Lock at Tennessee River Mile 22.4 in Grand
Kentucky Lock at Tennessee River Mile 22.4 in Grand Rivers, Ky., shown here Aug. 14, 2013, with the 110-by-600-foot chamber dewatered. It is closed for scheduled maintenance repairs until noon Sept. 24, 2013. ... More
Danny Tanner, a lock and dam equipment mechanic assigned
Danny Tanner, a lock and dam equipment mechanic assigned to the Cumberland River Operations Center in the U.S. Army Corps of Engineers Nashville District, welds the lower gate July 27, 2015, at Old Hickory Lock... More
A team of engineers from the U.S. Army Corps of Engineers
A team of engineers from the U.S. Army Corps of Engineers Nashville District are lowered into a valve chamber during routine maintenance at the Lake Barkley Lock today after dewatering the lock for major repair... More
A group holds Anthony Certeza suspended in the air
A group holds Anthony Certeza suspended in the air during fall protection and rescue training at the Cheatham Power plant in Ashland City, Tenn. The U.S. Army Corps of Engineers, Nashville District, Operations ... More
Lock and Dam Mechanics Alan Bailey (Left) and Ty Melton
Lock and Dam Mechanics Alan Bailey (Left) and Ty Melton inspect and repair the downstream miter gate July 20, 2016 at Chickamauga Lock on the Tennessee River in Chattanooga, Tenn. Bailey is from the Cumberland... More
Watts Bar Dam on the Tennessee River in Decatur, Tenn.,
Watts Bar Dam on the Tennessee River in Decatur, Tenn., is seen here Oct. 20.
Ross Cunningham, Lock and Dam equipment mechanic supervisor,
Ross Cunningham, Lock and Dam equipment mechanic supervisor, U.S. Army Corps of Engineers Nashville District, directs a crane operator from the Cumberland River Operations Center as crews pump out water Aug 12,... More
Left to right, Greg Cox, chief of maintenance section,
Left to right, Greg Cox, chief of maintenance section, and Jimmy Reeves, mechanic, U.S. Army Corps of Engineers Nashville District insert the new cylinder into the rack on the upper river wall valve machinery a... More
Ross Cunningham, a lock and dam equipment maintenance
Ross Cunningham, a lock and dam equipment maintenance supervisor with the Cumberland River Operations Center, monitors a dive operation at the Pickwick Landing Dam in Counce, Tenn., March 5, 2013. (U.S. Army p... More
Kentucky Lock at Tennessee River Mile 22.4 in Grand
Kentucky Lock at Tennessee River Mile 22.4 in Grand Rivers, Ky., shown here Aug. 14, 2013, with the 110-by-600-foot chamber dewatered. It is closed for scheduled maintenance repairs until noon Sept. 24, 2013. ... More
The U.S. Army Corps of Engineers Nashville District
The U.S. Army Corps of Engineers Nashville District inspects and performs scheduled maintenance July 27, 2015, at Old Hickory Lock in Old Hickory, Tenn. The lock is empty of water until Aug. 4, 2015, while main... More
The U.S. Army Corps of Engineers Nashville District
The U.S. Army Corps of Engineers Nashville District re-opened the Barkley Lock today after dewatering the lock for major repair and maintenance.
Tom Hale (Right), Tennessee River Operations manager,
Tom Hale (Right), Tennessee River Operations manager, and Mason Carter, civil engineer in the Nashville District Navigation Branch, inspect the ongoing maintenance work July 20, 2016 at Chickamauga Lock on the ... More
Watts Bar Lock on the Tennessee River in Decatur, Tenn.,
Watts Bar Lock on the Tennessee River in Decatur, Tenn., is seen dewatered here, Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance crews are inspecting and making necessary repairs.
U.S. Army Corps of Engineers Nashville District work
U.S. Army Corps of Engineers Nashville District work crews from the Cumberland River Operations Center dewater Barkley Lock to perform scheduled inspection and major maintenance repairs Aug. 12.
Jimmy Reeves, center, mechanic, hammers in a wedge
Jimmy Reeves, center, mechanic, hammers in a wedge Nov. 13, 2012, under the watchful eyes of Ross Cunningham, left, lock and dam equipment mechanic supervisor, and Greg Cox, right, chief of maintenance sectio... More
Gary Fleemen, left, a tender with the U.S. Army Corps
Gary Fleemen, left, a tender with the U.S. Army Corps of Engineers Nashville District Dive Team, assists diver Jeff Neely during a lock inspection at the Pickwick Landing Dam in Counce, Tenn., March 5, 2013. (... More
The U.S. Army Corps of Engineers Nashville District's
The U.S. Army Corps of Engineers Nashville District's maintenance workers inspect the lower gate July 27, 2015, at Old Hickory Lock in Old Hickory, Tenn. The lock is empty of water until Aug. 4, 2015, while mai... More
Lt. Col. Stephen F. Murphy, Nashville District commander,
Lt. Col. Stephen F. Murphy, Nashville District commander, presented Corps employees from the Tennessee River Operations Center, Cumberland River Operations Center and Fleet repair crews a Safety and Health Awar... More
Chickamauga Lock sits empty July 20, 2016 while U.S.
Chickamauga Lock sits empty July 20, 2016 while U.S. Army Corps of Engineers Nashville District maintainers inspect and make repairs to the miter gates and other underwater components. (USACE photo by Leon Roberts)
This is an area where maintenance crews are making
This is an area where maintenance crews are making repairs at Watts Bar Lock on the Tennessee River in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance crews a... More
Carl Scott, above, supervisor, U.S. Army Corps of Engineers
Carl Scott, above, supervisor, U.S. Army Corps of Engineers Nashville District, places a metal “flag” for the lower river wall valve limit that Terry Farrow, electrician, below, will weld at Cheatham Lock, Ashl... More
Jeff Neely, a diver with the U.S. Army Corps of Engineers
Jeff Neely, a diver with the U.S. Army Corps of Engineers Nashville District Dive Team, surfaces after an underwater inspection of a lock at the Pickwick Landing Dam in Counce, Tenn., March 5, 2013. (U.S. Army... More
A U.S. Army Corps of Engineers Nashville District
A U.S. Army Corps of Engineers Nashville District maintenance crew works on mechanical equipment July 27, 2015, at Old Hickory Lock in Old Hickory, Tenn. The lock is empty of water until Aug. 4, 2015, while mai... More
The U.S. Army Corps of Engineers Nashville District
The U.S. Army Corps of Engineers Nashville District removed more than 11 million gallons of water from Chickamauga Lock as maintainers inspect and make repairs to the miter gates and other underwater components... More
Keith Holley (center), Watts Bar Lock facility manager,
Keith Holley (center), Watts Bar Lock facility manager, gives a safety briefing to administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District during a tour of the lock... More
Terry Farrow, electrician, U.S. Army Corps of Engineers
Terry Farrow, electrician, U.S. Army Corps of Engineers Nashville District, welds a metal “flag” for the lower river wall valve limit at Cheatham Lock, Ashland City, Tenn., Nov. 13, 2012. The lock is scheduled ... More
Matt Williamson, a lock and dam equipment mechanic
Matt Williamson, a lock and dam equipment mechanic with the Tennessee River Operations Center, enjoys a light moment while assisting with an underwater inspection at the Pickwick Landing Dam in Counce, Tenn., M... More
Danny Tanner, a lock and dam equipment mechanic assigned
Danny Tanner, a lock and dam equipment mechanic assigned to the Cumberland River Operations Center in the U.S. Army Corps of Engineers Nashville District, welds the lower gate July 27, 2015, at Old Hickory Lock... More
Administrative assistants and office workers from the
Administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District are lowered into Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corp... More
Administrative assistants and office workers from the
Administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District are lowered into Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corp... More
Administrative assistants and office workers from the
Administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District are prepared to be lowered into Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. Sta... More
This is the Watts Bar Dam located in Decatur, Tenn.,
This is the Watts Bar Dam located in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance crews are inspecting and making necessary repairs.
Administrative assistants and office workers from the
Administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District are lowered into Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corp... More
Administrative assistants and office workers from the
Administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District are in the bottom of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army ... More
Marla Klinger, an office assistant, assigned to the
Marla Klinger, an office assistant, assigned to the U.S. Army Corps of Engineers Nashville District, gets ready to be lowered into Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.... More
Administrative assistants and office workers from the
Administrative assistants and office workers from the U.S. Army Corps of Engineers Nashville District are lowered into Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corp... More
Work crews from C.J. Mahan pump water out of the coffer
Work crews from C.J. Mahan pump water out of the coffer dam being constructed by the U.S. Army Corps of Engineers Nashville District at the Chickamauga Lock and Dam in Chattanooga, Tenn., Sept. 29, 2010.
An Administrative assistant from the U.S. Army Corps
An Administrative assistant from the U.S. Army Corps of Engineers Nashville District crawls into where water is imported and exported at Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. ... More
Adrienne Washington, an administrative assistant from
Adrienne Washington, an administrative assistant from the U.S. Army Corps of Engineers Nashville District, sits at the bottom of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S.... More
Adrienne Washington, an administrative assistant from
Adrienne Washington, an administrative assistant from the U.S. Army Corps of Engineers Nashville District, crawls out of where water is imported and exported at Watts Bar Lock during a tour of the facility in D... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District tour a culvert where water is pumped into and out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. T... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District tour a culvert where water is pumped into and out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. T... More
This is a view to the surface from a culvert where
This is a view to the surface from a culvert where water is pumped into and out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20, 2010. The U.S. Army Corps of Engineers recently draine... More
Marilyn Raines, a supply technician from J. Percy Priest
Marilyn Raines, a supply technician from J. Percy Priest Dam in Nashville, Tenn., crawls out of a a port where water is pumped into and out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oc... More
Retia Jones, an administrative assistant from the Eastern
Retia Jones, an administrative assistant from the Eastern Kentucky Area Office in Somerset, Ky., crawls out of a port where water is pumped into and out of Watts Bar Lock during a tour of the facility in Decatu... More
Administrative assistants and office workers from the
Administrative assistants and office workers from the Nashville District tour Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20, 2010. The U.S. Army Corps of Engineers recently drained the... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District tour a culvert where water is pumped into and out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. T... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District pose in the bottom of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District prepare to be lifted out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Eng... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District are lifted out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers rec... More
Larry and Retia Jones pose together before being lifted
Larry and Retia Jones pose together before being lifted out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20, 2010. The U.S. Army Corps of Engineers recently drained the lock and maint... More
Administrative assistants from the U.S. Army Corps
Administrative assistants from the U.S. Army Corps of Engineers Nashville District are lifted out of Watts Bar Lock during a tour of the facility in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers rec... More
A maintenance crew works at Watts Bar Lock in Decatur,
A maintenance crew works at Watts Bar Lock in Decatur, Tenn., Oct. 20. The U.S. Army Corps of Engineers recently drained the lock and maintenance crews are inspecting and making necessary repairs.