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Crews Set the Vortex

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.

Click to watch video of vortex lowering

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. 

installing efco

Work at the consolidation sewer that goes under the river continues near drop shaft #9 – Headwaters Park West. 

drop shaft 9
site dowels
site dowels