Downstream Gate Operating Machinery Replacement
Owner: United States Army Corps of Engineers, Walla Walla District
Customer: Knight Construction
Year: 2017
Performance: Project completed on schedule and within budget
Project Description: Replaced existing hydraulic based gate hoisting system with VFD base system
Replaced existing control system with PLC based controls and touch panels as HMI
Special Circumstances: Project completed in river shutdown schedule while we also completed the rebuild of Lower Monumental Lock Lower Gate
PLC: Allen Bradley Controllogix
HMI: Allen Bradley PanelView Plus
VFDs: Allen Bradley PowerFlex 755
