DO system preconstruction
May 4: Workers install a cofferdam on the bank of the Savannah River as part of what will become the foundation for a series of Speece cones. The cones, which are part of the dissolved oxygen system, will super-oxygenate river water and inject it back into the Savannah River to maintain current levels of dissolved oxygen as the shipping channel is deepened.

March 1: Workers cleared debris and underbrush from land set to house dissolved oxygen injection equipment for the Savannah River.

This preconstruction work will lead to full-fledged construction later this year. The injection system forms part of the environmental mitigation plan for the Savannah Harbor Expansion Project. Clearing work continues at two locations along the river.

The current construction schedule has the dissolved oxygen (DO) system ready for use in December 2017. The Corps of Engineers awarded CDM Smith the construction contract in July 2015.

Photos by Billy Birdwell and Russell Wicke, U.S. Army Corps of Engineers Savannah District.
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