1. Pine Mountain Lake Dredging Project Moffatt & Nichol Project Engineers Cooper Crane & Rigging, Inc. Contractor The Right Contractor Adaptability Communication

2. Project Need: Improve Channel Flow & Water Quality Project Need: Restore Navigable Depth

3. Disposal Area Project Layout

4. REGULATORY Required Studies, Reports and Testing Standard Requirements $ Sediment Quality & Sources Biological Water Quality Vegetation/ Habitat CH 3 Hg +

5. Hydraulic Disposal REGULATORY Construction Conditions Thin Layer Placement to aid benthic recovery Construction Windows: Nov 1 – Mar 31 Placement within 10’ of lake bottom Diffuser at end of discharge pipe Silt Curtain (if needed)

6. CONSTRUCTION CHALLENGES Mobilization New Priest Grade

7. Toyo Portable Barge Toyo Pump CONSTRUCTION CHALLENGES Toyo Portable Barge

8. Excavator Portable Barge Material Handling Portable Barge CONSTRUCTION CHALLENGES Excavator Portable Barge

9. “Mechanical-Hydraulic” Disposal Hydraulic Disposal CONSTRUCTION CHALLENGES Material Disposal Portable Barge

10. CONSTRUCTION CHALLENGES Varying Material

11. CONSTRUCTION CHALLENGES Weather

12. THE CREW