Dam Instrumentation Project-- MND for Phase IB and II

11 Documents in Project

Summary

SCH Number
2006052072
Lead Agency
Santa Clara Valley Water District
Document Title
Dam Instrumentation Project-- MND for Phase IB and II
Document Type
NEG - Negative Declaration
Received

Document Description
This phase of the Dam Instrumentation Project (DIP) deals with a major capital effort to install new geotechnical instrumentation while completing a field geotechnical exploration drilling program. The DIP will also provide corresponding automated data acquisition systems for the subject dams. An ancillary project will involve the collection of subsurface data towards a better understanding of the seismic stability at these same dams. The DIP entails drilling a number of borings at each dam to install instuments that will enable monitoring of internal water pressure, ground shaking, and potential deformation. The borings will also allow the collection of insitu data about embankment and foundation materials and lithology, including the collectin of undisturbed samples for use in laboratory testing that will provide information on soil classification and engineering properties for analyses to assess the overall safety of the dam.

Contact Information
David Matthews
Santa Clara Valley Water District
5750 Almaden Expressway
San Jose, CA 95118

408.265.2607 ext. 2467

Location

Cities
Cupertino Gilroy Los Gatos Morgan Hill San Jose
Counties
Santa Clara

Notice of Completion

Review Period Start
Review Period End
Project Issues
Air Quality Geologic/Seismic Noise Water Quality Wildlife
Reviewing Agencies
California Department of Parks and Recreation California Highway Patrol Caltrans, District 4 Department of Water Resources Native American Heritage Commission Office of Emergency Services, California Regional Water Quality Control Board, Region 2 State Water Resources Control Board, Divison of Financial Assistance Department of Fish and Wildlife, Region 3 Resources Agency
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