Successful erosion repair work at Chittenden Locks in Ballard
High-resolution, multi-beam sonar pictures input into the excavators GPS tracking software allow Redside Construction excavator operators to accurately place rip rap and other materials during erosion repair work at the Hiram M. Chittenden Locks. Erosion created scours undermining a portion of the small lock wall, along the left bank and downstream of the spillway apron. Work to repair these areas began Jan. 13.

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Photo by: William Dowelll |  VIRIN: 120220-A-DT641-083.JPG