2.2 Sand & Gravel Plants

Process:
Excavate or dredge
Wash material
Screen material
Separate sand vs gravel
Stockpile products
Key Differences vs Quarries:
Messier sites
Poor pile definition
Moisture variability
Often near rivers
Heavy wash plant infrastructure
Drone Applications:
Wet sand volume
Multi-product tracking
Dredge progression
Wash plant feed tracking