Seven Oaks Dam Tunnel Rehab
San Bernardino, CA

Design-Bid-Build
New Construction/Replacement
$2.4 million

Seven Oaks Dam extends across upper Santa Ana Canyon, 13 miles east-northeast of San Bernardino and 78 miles east of LA. Rising 550 feet from the floor of the canyon, it is the 12th highest in the nation. With its impermeable clay core and 38 million cubic yards of compacted earth and rockfill it is the 10th largest in volume in the US and 25th biggest in the world.

Demo and replace existing concrete in the outlet tunnel; epoxy dowels into existing slabs.