SAN JOSE, CA, Apr. 3, 2012 -- Black & Veatch will lead Santa Clara Valley Water District's urgent seismic retrofit program for Anderson Dam. The $150 million program will enable the water district to again use the dam for maximum water supply storage when completed in 2018.
• Constructed in 1950, Anderson Reservoir is the largest of the county's 10 reservoirs, accounting for approximately half of the District's surface water storage capacity, when full.
• Anderson Dam forms Anderson Reservoir, the largest reservoir in Santa Clara County with a capacity of more than 90,000 acre-feet or 29 billion gallons.
• Like the other reservoirs, Anderson Lake provides incidental flood protection, environmental and recreational benefits in addition to water supply for the county.
• Anderson Dam is located approximately one mile from the Calaveras Fault.
• The California Division of Safety of Dams and the Federal Energy Regulatory Commission classified the Anderson dam as a "high-hazard structure." The agencies have approved the district's voluntary water level restrictions.
• The reservoir is currently operating at 68 percent of capacity due to water level restrictions established for public safety.
• The seismic strengthening will most likely consist of partially removing liquefiable material and buttressing the dam. The project will also verify the adequacy of the spillway, outlet works, and existing surveillance systems.
• The zoned rockfill and earthfill dam has a maximum height of about 240 feet, and the dam crest (the developed length of the top of the dam) is approximately 1,400 feet.
"Completing the project on schedule is crucial for both public safety and effective water resource management," said Jim Fiedler, Santa Clara Valley Water District Chief Operating Officer. "One of the program management team's most important responsibilities is to make sure that happens."
As program manager, Black & Veatch will work with a team of local small business subcontractors to oversee planning, permitting, design and construction of improvements for the dam.
"Our goal is to minimize community and environmental impacts as well as complete the project in a timely and cost-effective manner," said Jim Watson, Black & Veatch Program Manager. "Anderson Reservoir is an integral part of Santa Clara County's surface water supply system. It also provides incidental flood management and recreational benefits as well as habitat for a host of threatened and endangered species, some of which only are found within the county at this dam site."
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