Automated Monitoring at Tolt Dam

by Barry K. Myers, Project Civil Engineer; Woodward-Clyde Consultants, Seattle, WA,
Jill M. Marilley, Associate Civil Engineer; Seattle Water Department, Seattle, WA,

Serial Information: Civil Engineering—ASCE, 1997, Vol. 67, Issue 3, Pg. 44-46

Document Type: Feature article


As dams age, maintenance needs and safety concerns increase. Dam safety officials are placing greater emphasis on automated instrumentation, monitoring and reporting systems. A look at the Tolt Dam near Seattle shows how such systems work. Many dams in the U.S. are reaching or have passed their 50th anniversary of operation. Upgrading or rehabilitating older dams often provides dam owners with an opportunity to install improved and relatively inexpensive monitoring equipment that can detect developing conditions by allowing more frequent readings and collecting better quality data.

Subject Headings: Automation and robotics | Dams

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