Calaveras Dam Replacement Project

Client:
San Francisco Public Utilities Commission
Total Value:
$241,000,000
Location:
Fremont, CA
Description of Project:

Sukut and our valued joint venture partners, Dragados USA and Flatiron, are constructing the Calaveras Dam Replacement Project for the San Francisco Public Utilities Commission. The project entails a full replacement of the 225’ high zoned earthen dam and partial demolition of the existing dam, originally built in 1925. This Risk Level three project includes approximately seven million cubic yards of earthwork with over 650 vertical feet of elevation change and several other components: a new outlet works shaft, tower and ADIT system, outlet works piping, mechanical encasements, deep soil mixing, a 45,000 cubic yard concrete spillway, retaining systems, rock reinforcement, foundation grouting and treatment, electrical, instrumentation, and road work to restore the dam to its original 31 billion gallon capacity.

The project collected various industry awards:

  • 2018 Outstanding Environmental and Engineering Geology Award from the Association of Environmental and Engineering Geologists
  • 2019 American Public Works Association Northern California Award, Contractor of the Year
  • 2019 American Public Works Association Northern California Award for Structures Projects Over $75 Million Project of the Year
  • 2019 American Public Works Association National Award for Structures Projects Over $75 Million Project of The Year
  • 2019 Internation Partnering Institute Partnered Project of the Year Award (Saphire)
  • 2019 United States Society on Dams Award, Excellence in the Constructed Project of the Year
  • 2019 Construction Management Association of America Project Achievement Award, Public Works More Than $60 Million
  • 2019 Construction Management Association of America, Best of Infrastructure Award
  • 2019 San Francisco Collaborative Partnering Steering Committee, Gold Award Winner Infrastructure Over $30 Million
  • 2019 Engineering New Records, ENR Regional Projects Awards (Saphire)
  • 2019 Associated General Contractors of America, Heavy Civil Award Over $100M
  • 2019 Associated General Contractors of America, Excellence in Partnering Award
  • 2019 Associated General Contractors of America, Safety on a High Hazard Project Award – First Place

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