Central Arizona Project Startupby Albert L. Graves, US Bureau of Reclamation, Phoenix, AZ, USA,
Robert S. Gooch, (A.M.ASCE), US Bureau of Reclamation, Phoenix, AZ, USA,
Abstract: The Central Arizona Project is a water conveyance scheme, lifting and conveying Colorado River water from Lake Havasu on the Colorado River 190 miles to Phoenix and another 150 miles to Tucson. The completed project will have 14 pumping plants with over 100 pump units, 37 dual gate check structures, and over 40 turnout structures. The remote pumping plants, check structures, and turnouts will be unmanned except for daytime maintenance crews. The operation of the entire system is controlled by a Programmable Master Supervisory Control System (PMSC). The PMSC has the capability to work simply as a remote control device or to act as a sophisticated supervisory system, developing control actions in the master station and downloading them to the remote terminal units (RTU) at the field sites. The hardware required for this type of system is state of the art, but the overall cost is relatively low compared to much less capable systems of the past. The paper discusses the philosophy of operation, second generation Aqueduct Control Software, and other aspects of the subject.
Subject Headings: Remote control | Control systems | Computer software | Pumping stations | Rivers and streams | Arizona | North America | United States | Colorado River | Phoenix | Tucson
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