The Times Journal & Russell County News
Saturday, Apr. 19, 2014 — RUSSELL SPRINGS & JAMESTOWN, KENTUCKY — russellcounty.net
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Dam work slated for Dec. 2013 finish
In April 30 Issue

For the second time in less than a month the Corps of Engineers released a project update on Wolf Creek Dam, this time saying major rehabilitation work should be completed by December 2013.

According to this timeline, the unstable Critical Area I, where the earthen and concrete sections meet, could be made safe by that time. The Corps also said the remainder of the 4,000-foot-long barrier wall could also be in place by then, meaning the return of a normal lake level of 720 ft. by summer 2014 is possible.

Meanwhile, the Corps is in ongoing negotiations with Treviicos Soletanche JV on design and costs of special equipment necessary to drill in the critical area so another change in the completion date is possible.

During recent testimony before Congress, Brigadier General John W. Peabody, the Great Lakes and Ohio River Division commander, was asked when the project was expected to be completed and gave Dec. 2013 as the date but said the date could change as contract negotiations are finalized.

The target pool elevation of Lake Cumberland will remain 680 ft. above sea level until that time.

The last work to be completed will most likely be in Critical Area 1 due to the work suspension from February - November 2010 due to slope stability concerns and changes to the construction methods used on the tender portion of the dam.

The installation of a permanent barrier wall has continued in the other portion of the earthen section and as of April 1, the foundation remediation contract was 51 percent complete, according to the Corps' latest update.

If the Corps' latest information goes unchanged and the dam is completed by Dec. 2013 it would mean that the lake would have been at around 680 ft. above sea level for seven years.

Treviicos Soletanche JV continues all phases of Pile Barrier Wall construction in all areas of the project except in the aforementioned Critical Area 1. Activities include directional drilling, pre-drilling, pile drilling, concrete placement and verification coring. In addition, they also continue to install the Protective Concrete Embankment Wall between Critical Area 1 and station 38+50.

Subcontractor Hayward Baker Inc. continues to grout the fan line holes at the west end of the work platform. The fan line closes the area between the ends of the upstream and downstream grout lines and the grout lines drilled from the gallery beneath the concrete dam in 2007. The Judy Company is also mobilizing equipment for Gallery and Plaza Grouting construction in the coming days.

The 24/7 monitoring program continues at the dam and recent instrumentation data and observations have shown no abnormalities in the dam's structure.

The Corps said earlier this week that their water management staff is currently monitoring rainfall and stream conditions throughout the Cumberland Basin and is coordinating the release of water from dams, including Wolf Creek, within the basin. Recent rainfalls have raised the Lake Cumberland level to around 700 ft. above sea level, 20 more feet that needed during the dam rehabilitation period, therefore speeding up the release of water through the dam.

Based on recent National Weather Service forecasts and river conditions earlier this week, the Nashville District changed its release schedules for Wolf Creek, Dale Hollow Dam and Center Hill Dam.  

Releases at each of these dams were reduced Monday to better prepare the reservoir system to respond to the week's heavy rainfall.

Corps water managers worked closely with partners at NWS, Tennessee Valley Authority, and the U.S. Geological Survey during this week's rain event. To see the NWS forecast for the Cumberland River in Nashville, go to

http://water.weather.gov/ahps2/hydrograph.php?wfo=ohx&gage=nast1.

As necessary, news and information will be made available on the district's website at www.lrn.usace.army.mil, on Facebook at http://www.facebook.com/nashvillecorps, and on Twitter at http://www.twitter.com/nashvillecorps.

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The Times Journal is a weekly newspaper issued on Thursdays. It was first published on October 13, 1949, by Andrew J. and Terry Norfleet.
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P.O. Box 190
120 Wilson St.
Russell Springs KY 42642
Phone: 270-866-3191
Fax: 270-866-3198
Russell County News is a weekly newspaper issued on Saturdays, and is mailed free to every address in Russell County, Ky. It was first published on February 1, 1913.
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