U.S. Army Corps of Engineers Activates New Fish Barrier (IIB)

US Army Corps of Engineers

On April 7, 2011, the U.S. Army Corps of Engineers activated electric fish Barrier IIB on the Chicago Sanitary and Ship Canal (CSSC) near Romeoville, Ill. Barrier IIA has been placed in warm stand-by mode and will undergo scheduled maintenance within the next two months.  The new barrier is set at parameters previously applied at Barrier IIA (a maximum field strength at the water surface of 2 Volts/inch, with 15 pulses per second and each pulse 6.5 milliseconds in duration). The demonstration barrier (Barrier I) remains in operation.

To read the entire press release: http://www.lrc.usace.army.mil/AsianCarp/BarrierIIBActivationPressRelease.pdf