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Center Hill Dam Safety Rehabilitation - US … Army Corps of Engineers BUILDING STRONG ® Center...
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US Army Corps of Engineers BUILDING STRONG ® Center Hill Dam Safety Rehabilitation Status Update – Team Cumberland 6 April 2016 Linda H. Adcock Project Manager Nashville District
Transcript of Center Hill Dam Safety Rehabilitation - US … Army Corps of Engineers BUILDING STRONG ® Center...
US Army Corps of Engineers
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Center Hill Dam Safety Rehabilitation Status Update – Team Cumberland 6 April 2016
Linda H. Adcock
Project Manager
Nashville District
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Rehabilitation Project Scope
Main Embankment & Left Rim Grouting and Barrier Wall
Legend
Grouting FY08-11
Barrier Wall FY12-15
RCC Berm FY16-19
Saddle Dam RCC Berm
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Alluvial Soils
Grout Curtain and Barrier Wall
Grout Curtains
Concrete
Barrier Wall
Lake
Limestone Foundation
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Grouting and Barrier Wall
Profile View – Looking DS
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Barrier Wall Geometry
10.5’ 2.72’
Hermitage
Cannon LS
Upper Carters LS T3
Lower Carters LS
Lebanon LS
307’
175’
Plan View
Profile View – Looking DS
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Wall Excavation-BC50 Cutter
Pump for
slurry
circulation
and removal
of cuttings
Onboard instrumentation (inclinometers) for
monitoring orientation
Cutter head fitted with rock picks
and soil cutters
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Center Hill Dam 1992
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Existing Saddle Dam
and Fuse Plug
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RCC Berm at Saddle Dam
Existing
Fuse Plug
Rock Fill RCC
Berm
Section View
EL. 658.0
RCC
Berm Existing Saddle Dam
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Completion and Pool Raising Activities Center Hill Dam Safety Modification Pool Raising Plan/Schedule
J A S O N D Jan F M A M J J A S O N D Jan F M A M J J A S O N D Jan F M A M J J A S O N D Jan F M A M J J A S O N D
RCC at Elev. 658
(80% confidence 1 July 2018)
Berm & LR Solicitation Construct Saddle Dam RCC Berm & Left Rim Stabilization
& Source Selection
Fiscal Closeout
Sep 2019
Calendar Yr. 2019
Conduct PIE Risk Estimate of Barrier Wall,
Summary Report of Environmental
Commitments
Potential
Incremental
Pool Raise
Return
Full
Pool
Conduct PIE Risk Estimate of Saddle Dam with Berm,
Compile and Approve Report, revise DSAC Rating
Barrier Wall Documentation
for Evaluation and Fiscal
Closeout
Barrier Wall Physical
Completion
Cal Yr. 2015 Calendar Yr. 2016 Calendar Yr. 2017 Calendar Yr. 2018
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Questions?
