Chillowee Dam Sinkhole Repair
Excavated existing and growing sinkhole to it’s limits approximately 38 vertical feet as directed by the engineer. The dam was / is of a sloping core construction method. HALL reconstructed the clay core and filters as we refilled the sinkhole area and brought it back up to original grade and contour.
Involved approximately 6,600 cubic yards of material was replaced, and 5,400 tons of rip rap, 5,100 tons of filter material, and 3,300 tons of clay core materials.
Cabarrus County Jail Annex
Alex Porter Dam