Crews set the vortex in drop shaft 5 this week as work continued throughout the tunnel route. The vortex is used to deter odor and corrosion caused by wastewater.
Drop shaft 6 at Camp Allen Drive – Vortex at 2,700 pounds, 10-feet high and 6.5-feet in diameter is now in place.
Drop shaft 7 at Guldlin Park – form work continues.
Work at the consolidation sewer that goes under the river continues near drop shaft #9 – Headwaters Park West.