1. Demolish existing north abutment, notch structure portion of the weir, south abutment, and energy dissipation basin. 2. Construct concrete abutments and retaining walls. 3. Install helical piles to support the new energy dissipation basin. 4. Construct energy dissipation basin concrete slab and fish collection basin. 5. Repair and grout existing cracks of concrete weir surface. 6. Construct pile foundations of gate structure and walls. 7. Construct fish passage notch structure with a bottom hinged gate. 8. Excavate and construct concrete connection channel between the Sacramento River and the gated notch structure. 9. Place rock slope protection. 10. Structural grouting of rock slope protection. 11. Construct concrete maintenance road for access to connection channel. 12. Construct concrete equipment pad. 13. Construct Control Building. 14. Install security fencing and gates around control building. 15. Install water tank for fire suppression at control building. 16. Construct paved asphalt road for control building and equipment pad access.
