Alameda Zone 7 PL 84-99 Repairs (Phase 2 and 3)

The Alameda Zone 7 PL 84-99 Repair project is an Operations and Maintenance project proposed by USACE to repair storm damage to flood control channels in Alameda County. The project consists of two phases: Phase 2 and Phase 3. Phase 2 includes 21 repair sites, while Phase 3 includes 20 repair sites. The repairs will involve restoring the slopes to their original grade, placing Rock Slope Protection (RSP) at the waterside slope toe, and installing erosion control matting. The project is expected to be completed in the summers of 2026 and 2027. Key aspects of the project include: • Repairing storm damage to flood control channels • Restoring slopes to their original grade • Placing Rock Slope Protection (RSP) at the waterside slope toe • Installing erosion control matting • Completing the project in two phases