Project involved the procurement and installation of large, up to 84 inches, diameter valves and piping in the Sacramento River Delta at seven different locations to improve the reliability of the aqueducts. Cast-in-place concrete vaults were built as part of the contract to enclose the valves at several of the location. Large diameter, up to 84 inches, piping was also installed to tie in the aqueduct system and the new valves.
| Location: | Brentwood, Stockton, Walnut Creek, California |
| Start Date: | February 2012 |
| Completion Date: | February 2014 |
| Contract Value: | $8,817,082 |
| Owner: | East Bay Municipal Utility District, Specification #2036 |
| Engineer: | East Bay Municipal Utility District |