Sunol, California


San Francisco Public Utilities Commission

Project Dates

2011 – 2019

Services Provided

Construction Management

Cost Estimating

Contract Cost Control


TIA, Re-planning & Re-sequencing Work

Inspection Services


The Calaveras Dam Replacement Project consists of building a new zoned earth and rock fill dam immediately downstream of the existing dam. The replacement dam has a structural height of about 220 feet high and is designed to accommodate a maximum credible earthquake on the Calaveras Fault. The dam has a crest length of 1,210 feet, a base thickness of 1,180 feet, and a crest thickness of 80 feet. The total volume of the dam is approximately 3.5 million cubic yards. The replacement dam will restore the original reservoir capacity of 96,850 acre-feet or 31 billion gallons of water. The storage is crucial to providing adequate water to 2.7 million residents in the Bay Area.

Awarded: Best Project award from CMAA, USDD, APWA & IPI Partnering