The work consists of modifying two gantry cranes on top of the dam and three bridge cranes and one gantry crane inside the Third Power Plant. The work includes removal of existing operator’s controls, removal of all electrical equipment and wiring, and design, fabrication, factory/field testing, furnishing and installing digital variable-frequency drive (VFD) control systems.

Work is expected to start at the project in April 2011 and will take just over a year and a half to complete. According to the USBR, the heavy-lifting equipment upgrade is essential for the safe and continuous operation of the project, located on the Columbia River.