Current Projects

Kentucky Lock Downstream Lock Monoliths Project
Grand Rivers, KY

LOCATION:

  • The Kentucky Lock Downstream Monoliths Project is located at Mile 22.4 of the Tennessee River in western Kentucky. The major components of the Kentucky Lock Downstream Lock Monoliths contract include: Limited, staged rock excavation (i.e., checkerboard excavation) adjacent to freshly placed concrete for the new lock’s middle wall. Placement of approximately 275,000 cubic yards of concrete in the construction of 51 concrete monoliths to be located just downstream and connected to the existing 9 upstream monoliths.

HGC'S SCOPE OF WORK:

  • Excavation of 70,000 CY of rock and overburden is being excavated in a checkerboard pattern utilizing drilling and blasting, line drilling, and precision presplitting which is being completed in preparation for construction of the downstream monoliths.

STATUS:

  • Estimated completion date is June 2023.

ADDITIONAL READING:

Kentucky Lock Graphic

Kentucky Lock Downstream Lock Excavation
Grand Rivers, KY

LOCATION:

  • The Kentucky Lock Addition Project is located at Mile 22.4 of the Tennessee River in western Kentucky. The Kentucky Lock Addition Project includes design and construction of a new 110-foot by 1,200-foot lock to be located landward of the existing 110-foot by 600-foot lock.  Each lock is owned by TVA and operated/maintained by USACE.

HGC'S SCOPE OF WORK:

  • Kentucky Lock Downstream Lock Excavation

STATUS:

  • Estimated completion date is April 2023.

KEY STATISTICS:

  • Completed by HGC Personnel
    • 560,000 Cubic Yards of Overburden Excavation
    • 290,000 Cubic Yards of Rock Excavation
  • Completed in partnership with Coastal Drilling East, LLC, an SDI Company
    • Installation of 100 High Capacity Anchors
    • Installation of a Grout Curtain Cutoff Wall
    • Installation of 40 Grouted Steel Pipe Piles
    • Installation of 127 Soil Nails
    • Installation of Shotcrete for Slope Stabilization

ADDITIONAL READING:

 

 

KentuckyLock