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Leica Geosystems Web-Enabled Robotic Total Station Network Monitors San Pablo Dam Geologic Movement

March 20, 2009
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Leica Geosystems announced that its advanced robotic total station monitoring system is helping East Bay Municipal District monitor the almost 90-year old San Pablo Dam in California as part of a $55 million seismic upgrade.



Norcross, Ga. - Leica Geosystems announced that its advanced robotic total station monitoring system is helping East Bay Municipal District (EBMUD) monitor the almost 90-year old San Pablo Dam in California as part of a $55 million seismic upgrade.

The San Pablo Dam is an earthen dam constructed in 1920 that impounds an 834 acre reservoir that can store 38,600 acre feet of raw water. The reservoir serves several important water supply functions including emergency standby storage, regulation of an aqueduct supply, and conservation/storage of local runoff from Bear and San Pablo Creeks. The seismic upgrade includes the expansion of the downstream buttress for the dam with a series of shear walls using a cement-deep-soil-mixing-process.

The Leica Geosystems monitoring system incorporates three robotic total stations and is used for proactive monitoring and risk assessment of key points along the dam during construction. The system includes Leica TCA1201 robotic total stations set up in permanent, environmentally protected huts at the project site. These total stations automatically monitor a series of prisms positioned at key locations along the dam. Data from the total station are relayed in real-time via a wireless connection from the totals stations to the Leica GeoMoS software processing and analysis software. These data are easily accessed by EBMUD personnel, and provide comprehensive information on displacement.

“As our infrastructure continues to age, it’s vital that experts have the right tools to continuously monitor and assess risk. We are extremely pleased to be providing this advanced surveillance technology to EBMUD in keeping with this important need,” said David Rutledge director of Leica’s Structural Monitoring program.


About the East Bay Municipal District
The East Bay Municipal Utility District (EBMUD) supplies water and provides wastewater treatment for parts of Alameda and Contra Costa counties on the eastern side of San Francisco Bay in northern California. EBMUD is a publicly owned utility formed under the Municipal Utility District Act passed by the California Legislature in 1921.

Leica Geosystems – when it has to be right
With close to 200 years of pioneering solutions to measure the world, Leica Geosystems products and services are trusted by professionals worldwide to help them capture, analyze, and present spatial information. Leica Geosystems is best known for its broad array of products that capture accurately, model quickly, analyze easily, and visualize and present spatial information.

Those who use Leica Geosystems products every day trust them for their dependability, the value they deliver, and the superior customer support. Based in Heerbrugg, Switzerland, Leica Geosystems is a global company with tens of thousands of customers supported by more than 2,600 employees in 23 countries and hundreds of partners located in more than 120 countries around the world. Leica Geosystems is part of the Hexagon Group, Sweden.

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