12 New creek channel created Culvert removed Cliff Drive Small step weirs for fish Prefabricated steel/wood bridge Limit of work Estuary Trailhead in parking lot Grade slope for emergent wetland Trail to DFP No Access PROPOSED SITE LAYOUT New Mesa Creek Channel Rock weirs Preliminary – for Discussion Purposes Only Top of bank

Protect ex. willow trees Protect ex. native shrubs Protect ex. oak 14” Remove ex. poison oak LANDSCAPING PLAN 9 Western sycamore Coast live oak Arroyo willow AlderElderberry Plant Mix A – Grassland & Coastal Sage Scrub. California melic, Black sage, Lemonade berry, Giant ryegrass, Coastal goldenbush, Golden yarrow, Coastal buckwheat, and Coastal sunflower Plant Mix B – Riparian Scrub. California rose, Purple nightshade, Blackberry, Toyon, Lemonade berry, Mugwort, Snowberry, Coffeeberry, Fuschia flowered gooseberry, Giant ryegrass, and SB honeysuckle Plant Mix C – Riparian Woodland. Arroyo willow, Mugwort, California rose, Sticky monkeyflower, Rush, Western goldenrod, Creeping ryegrass, and Wood mint Plant Mix D – Emergent Wetlands. Rush, Common spikerush, Yerba mansa, Nutsedge, and Praire bulrush, and Saltgrass Plant Mix E – Streambed Wetlands. Rush, Nutsedge, and Praire bulrush Note: List of plant species, quantities, and planting densities are provided in technical specifications. Protect willows and oaks. Prune. Prune willow clump LANDSCAPING PLAN Preliminary – for Discussion Purposes Only

Protect. willow trees Protect willows and oaks. Prune. Remove 8” willow Remove 18” leaning willow Remove willow clump Remove ex. willow clump Remove two coral trees and one palm tree, and all ornamental shrubs. Protect native shrubs Prune willow clump Remove. 10” oak Remove willow clump Remove 30” willow tree Remove walnut trees Protect, if poss., 7” oak tree Remove walnut trees Remove four ex. oak trees 9-14” Remove ex. willow trees in work area TREE PROTECTION AND REMOVAL PLAN 11 TREE REMOVAL AND PROTECTION Native tree removal: Three willow trees Four willow clumps Five oak trees Preliminary – for Discussion Purposes Only

Concrete sill Alignment of low- flows (typical) Typical concrete step weir Steel anchor bolts Higher water level under same flows 8-10” Current condtions Moderate flow water level Ex. mortared boulders Concrete structure Photographs of the locations for three concrete step weirs ROCK APRON MODIFICATION PLAN 13 Step weirs Preliminary – for Discussion Purposes Only