Minor Alteration No. WA2026008 – Lindo Channel Repairs Project

To perform erosion repair on two sites, including the removal of three almond trees to facilitate site access and temporary water diversion. The work will comply with the Operation and Maintenance Manual for “Chico and Mud Creeks and Sandy Gulch Sacramento River and Major and Minor Tributaries Project, California, Section 4-03, c(3)” and will be conducted as follows: Repair Site 1 includes: (1) reestablishing the original toe of the slope by placing clean, washed, boulder sized RSP; (2) backfilling and compacting the eroded area to restore grade and slope to the pre-existing bank and roadway shoulder; (3) placing and anchoring erosion control fabric; (4) placing boulders over the erosion control fabric, graduating in size from toe of slope to top of bank with the largest being placed at the toe and smallest at top; (5) articulating temporary vertical shelters throughout the repair area for eventual placement of natively sourced willow cuttings; (6) repairing and replacing an existing outfall in-kind, if needed; and (7) replacing in-kind a 24-inch metal corrugated pipe if needed. Repair Site 2 incudes: (1) reestablishing the original toe of the slope by placing boulder-sized RSP or concrete blocks; (2) placing boulders graduating in size from toe of slope to top of bank with the largest being placed at the toe and smallest at top; and (3) articulating temporary vertical shelters throughout repair area for eventual placement of natively sourced willow cuttings.