2.2 Sand & Gravel Plants

Process:

1. Excavate or dredge

2. Wash material

3. Screen material

4. Separate sand vs gravel

5. 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