Repairs almost complete on Wolf Creek Dam

Posted in the Burkesville Forum

“A view from the porch...”

Since: Sep 07

Burkesville

#1 Jan 13, 2013
SOMERSET, Ky.(AP) Work to repair the massive Wolf Creek Dam in southern Kentucky is slated for completion later this year and the project manager says things are going "smoothly."

Don Getty told the Commonwealth Journal ( http://bit.ly/VKX6us ) that the project, which began in 2007, is about 85 percent complete.

Getty says he expects lake levels to rise in 2014, though how much depends on several factors including the amount of rainfall.

He said the depth of the lake will be increased in increments after the barrier wall is complete. After each increment, officials will inspect the dam to make sure the structure is safe. The lake is considered to be full when it is 101 miles long and an average of 90 feet deep.

Getty said all primary holes have been drilled along the unstable portion of the dam, which lessens the risk of a setback.

"There are still risks," Getty said. "But not as much."

The $594 million project to stop the seepage includes inserting a deep underground wall along the dam's 4,000-foot long earthen embankment and filling underground karst formations with cement.

Engineers have said Wolf Creek Dam will be permanently repaired when the current rehabilitation is finished.
bob

Santa Barbara, CA

#2 Jan 14, 2013
Thanks for the update Dave.

“A view from the porch...”

Since: Sep 07

Burkesville

#3 Jan 18, 2013
<u>Repair of Wolf Creek Dam expected to be done by spring<u/>

The U.S. Army Corps of Engineers announced Thursday that a contractor is on target to finish a massive repair project on the dam by spring. The Corps had earlier estimated it would take until December 2013 to finish the $594 million project, meaning the lake level wouldn't return to normal until the summer of 2014.
With work ahead of schedule, the Corps is making plans to raise the lake level this summer, the agency said Thursday.

The Corps said the new barrier wall should be done by early spring. There will be some other work still to be done, but finishing the wall is the key to raising the water level, which will also require sufficient rainfall.
If engineers give the okay, the plan is to let the lake fill up to a level of 700 to 705 feet above sea level this summer, according to the Corps news release.
The reason for the incremental increase is to see how the repaired dam reacts to the higher level before raising the lake further, said Don Getty, the Corps manager on the repair project.
The Corps has installed extensive monitoring equipment inside the dam to measure indicators of leaks and stability.
If the dam performs as expected and passes another safety review at 705 feet, the plan is to raise the lake to its traditional summer level without stopping at another increment, Getty said in the news release.

U.S. Rep. Hal Rogers said in a news release that DeLapp called him personally Thursday to report the barrier wall will be complete soon. Rogers called that wonderful news, and commended DeLapp for bringing "renewed vigor" to the project.

Read more here: http://www.kentucky.com/2013/01/17/2480397/re...
another friend

Celina, TN

#4 Jan 18, 2013
Trusting Hal Rogers and the corp. iffy at best.

“A view from the porch...”

Since: Sep 07

Burkesville

#5 Nov 24, 2014
11/20/2014

The Corps awarded a $950,088 contract to Aspen Construction Co. for dam safety site stabilization work at Kentucky's 270-MW Wolf Creek Dam. Aspen, of Hackensack, Minn., is to perform site stabilization at the dam and hydropower project, including downstream berm regrading, installation of a trench drain system, tailwater piping removal, and excavation and disposal area seeding.

After identifying the earthfill and concrete gravity dam as critically near failure or having extremely high life or economic risk, the Corps awarded contracts in 2011 for a grout curtain and in 2013 for geotechnical engineering. Also in 2013, the Corps poured the last of 1,200 concrete piles required to mitigate seepage through the karst geology deep in Wolf Creek Dam's foundation.

http://www.hydroworld.com/articles/hr/print/v...

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